From 6b8233bfe00e79134cb1b84fc49d4f750a797f79 Mon Sep 17 00:00:00 2001 From: Mark Adler Date: Fri, 9 Sep 2011 23:24:43 -0700 Subject: zlib 1.2.2.3 --- contrib/README.contrib | 4 + contrib/asm586/match.S | 718 +++++---- contrib/asm686/match.S | 656 ++++---- contrib/infback9/infback9.h | 8 + contrib/infback9/inftree9.c | 6 +- contrib/masm686/match.asm | 821 +++++----- contrib/masmx64/bld_ml64.bat | 2 + contrib/masmx64/gvmat64.asm | 464 ++++++ contrib/masmx64/gvmat64.obj | Bin 0 -> 4155 bytes contrib/masmx64/inffas8664.c | 186 +++ contrib/masmx64/inffasx64.asm | 392 +++++ contrib/masmx64/inffasx64.obj | Bin 0 -> 5913 bytes contrib/masmx64/readme.txt | 28 + contrib/masmx86/bld_ml32.bat | 2 + contrib/masmx86/gvmat32.asm | 1881 +++++++++++----------- contrib/masmx86/gvmat32c.c | 268 +--- contrib/masmx86/inffas32.asm | 2119 ++++++++++++------------ contrib/minizip/ChangeLogUnzip | 130 +- contrib/minizip/Makefile | 50 +- contrib/minizip/crypt.h | 264 +-- contrib/minizip/ioapi.c | 354 ++-- contrib/minizip/ioapi.h | 150 +- contrib/minizip/iowin32.c | 540 +++---- contrib/minizip/iowin32.h | 42 +- contrib/minizip/miniunz.c | 1170 +++++++------- contrib/minizip/minizip.c | 840 +++++----- contrib/minizip/mztools.c | 562 +++---- contrib/minizip/mztools.h | 62 +- contrib/minizip/unzip.c | 3193 +++++++++++++++++++------------------ contrib/minizip/unzip.h | 706 ++++---- contrib/minizip/zip.c | 2407 ++++++++++++++-------------- contrib/minizip/zip.h | 469 +++--- contrib/testzlib/rdtsc64.asm | 18 + contrib/testzlib/rdtsc64.obj | Bin 0 -> 744 bytes contrib/testzlib/testzlib.c | 407 +++-- contrib/testzlib/testzlib.txt | 10 + contrib/testzlib/testzlib8.sln | 32 + contrib/testzlib/testzlib8.vcproj | 638 ++++++++ contrib/vstudio/vc7/gvmat32.obj | Bin 10143 -> 10241 bytes contrib/vstudio/vc7/inffas32.obj | Bin 14899 -> 14893 bytes contrib/vstudio/vc7/zlib.rc | 6 +- 41 files changed, 10761 insertions(+), 8844 deletions(-) create mode 100644 contrib/masmx64/bld_ml64.bat create mode 100644 contrib/masmx64/gvmat64.asm create mode 100644 contrib/masmx64/gvmat64.obj create mode 100644 contrib/masmx64/inffas8664.c create mode 100644 contrib/masmx64/inffasx64.asm create mode 100644 contrib/masmx64/inffasx64.obj create mode 100644 contrib/masmx64/readme.txt create mode 100644 contrib/masmx86/bld_ml32.bat create mode 100644 contrib/testzlib/rdtsc64.asm create mode 100644 contrib/testzlib/rdtsc64.obj create mode 100644 contrib/testzlib/testzlib.txt create mode 100644 contrib/testzlib/testzlib8.sln create mode 100644 contrib/testzlib/testzlib8.vcproj (limited to 'contrib') diff --git a/contrib/README.contrib b/contrib/README.contrib index 732d48c..20afc62 100644 --- a/contrib/README.contrib +++ b/contrib/README.contrib @@ -42,6 +42,10 @@ masm686/ by Dan Higdon and Chuck Walbourn asm code for Pentium Pro/PII, using the MASM syntax +masmx64/ by Gilles Vollant + x86 64-bit (AMD64 and Intel EM64t) code for x64 assembler to + replace longest_match() and inflate_fast() + masmx86/ by Gilles Vollant x86 asm code to replace longest_match() and inflate_fast(), for Visual C++ and MASM diff --git a/contrib/asm586/match.S b/contrib/asm586/match.S index 8f16140..371c9a0 100644 --- a/contrib/asm586/match.S +++ b/contrib/asm586/match.S @@ -1,354 +1,364 @@ -/* match.s -- Pentium-optimized version of longest_match() - * Written for zlib 1.1.2 - * Copyright (C) 1998 Brian Raiter - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License. - */ - -#ifndef NO_UNDERLINE -#define match_init _match_init -#define longest_match _longest_match -#endif - -#define MAX_MATCH (258) -#define MIN_MATCH (3) -#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1) -#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7) - -/* stack frame offsets */ - -#define wmask 0 /* local copy of s->wmask */ -#define window 4 /* local copy of s->window */ -#define windowbestlen 8 /* s->window + bestlen */ -#define chainlenscanend 12 /* high word: current chain len */ - /* low word: last bytes sought */ -#define scanstart 16 /* first two bytes of string */ -#define scanalign 20 /* dword-misalignment of string */ -#define nicematch 24 /* a good enough match size */ -#define bestlen 28 /* size of best match so far */ -#define scan 32 /* ptr to string wanting match */ - -#define LocalVarsSize (36) -/* saved ebx 36 */ -/* saved edi 40 */ -/* saved esi 44 */ -/* saved ebp 48 */ -/* return address 52 */ -#define deflatestate 56 /* the function arguments */ -#define curmatch 60 - -/* Offsets for fields in the deflate_state structure. These numbers - * are calculated from the definition of deflate_state, with the - * assumption that the compiler will dword-align the fields. (Thus, - * changing the definition of deflate_state could easily cause this - * program to crash horribly, without so much as a warning at - * compile time. Sigh.) - */ -#define dsWSize 36 -#define dsWMask 44 -#define dsWindow 48 -#define dsPrev 56 -#define dsMatchLen 88 -#define dsPrevMatch 92 -#define dsStrStart 100 -#define dsMatchStart 104 -#define dsLookahead 108 -#define dsPrevLen 112 -#define dsMaxChainLen 116 -#define dsGoodMatch 132 -#define dsNiceMatch 136 - - -.file "match.S" - -.globl match_init, longest_match - -.text - -/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */ - -longest_match: - -/* Save registers that the compiler may be using, and adjust %esp to */ -/* make room for our stack frame. */ - - pushl %ebp - pushl %edi - pushl %esi - pushl %ebx - subl $LocalVarsSize, %esp - -/* Retrieve the function arguments. %ecx will hold cur_match */ -/* throughout the entire function. %edx will hold the pointer to the */ -/* deflate_state structure during the function's setup (before */ -/* entering the main loop). */ - - movl deflatestate(%esp), %edx - movl curmatch(%esp), %ecx - -/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */ - - movl dsNiceMatch(%edx), %eax - movl dsLookahead(%edx), %ebx - cmpl %eax, %ebx - jl LookaheadLess - movl %eax, %ebx -LookaheadLess: movl %ebx, nicematch(%esp) - -/* register Bytef *scan = s->window + s->strstart; */ - - movl dsWindow(%edx), %esi - movl %esi, window(%esp) - movl dsStrStart(%edx), %ebp - lea (%esi,%ebp), %edi - movl %edi, scan(%esp) - -/* Determine how many bytes the scan ptr is off from being */ -/* dword-aligned. */ - - movl %edi, %eax - negl %eax - andl $3, %eax - movl %eax, scanalign(%esp) - -/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */ -/* s->strstart - (IPos)MAX_DIST(s) : NIL; */ - - movl dsWSize(%edx), %eax - subl $MIN_LOOKAHEAD, %eax - subl %eax, %ebp - jg LimitPositive - xorl %ebp, %ebp -LimitPositive: - -/* unsigned chain_length = s->max_chain_length; */ -/* if (s->prev_length >= s->good_match) { */ -/* chain_length >>= 2; */ -/* } */ - - movl dsPrevLen(%edx), %eax - movl dsGoodMatch(%edx), %ebx - cmpl %ebx, %eax - movl dsMaxChainLen(%edx), %ebx - jl LastMatchGood - shrl $2, %ebx -LastMatchGood: - -/* chainlen is decremented once beforehand so that the function can */ -/* use the sign flag instead of the zero flag for the exit test. */ -/* It is then shifted into the high word, to make room for the scanend */ -/* scanend value, which it will always accompany. */ - - decl %ebx - shll $16, %ebx - -/* int best_len = s->prev_length; */ - - movl dsPrevLen(%edx), %eax - movl %eax, bestlen(%esp) - -/* Store the sum of s->window + best_len in %esi locally, and in %esi. */ - - addl %eax, %esi - movl %esi, windowbestlen(%esp) - -/* register ush scan_start = *(ushf*)scan; */ -/* register ush scan_end = *(ushf*)(scan+best_len-1); */ - - movw (%edi), %bx - movw %bx, scanstart(%esp) - movw -1(%edi,%eax), %bx - movl %ebx, chainlenscanend(%esp) - -/* Posf *prev = s->prev; */ -/* uInt wmask = s->w_mask; */ - - movl dsPrev(%edx), %edi - movl dsWMask(%edx), %edx - mov %edx, wmask(%esp) - -/* Jump into the main loop. */ - - jmp LoopEntry - -.balign 16 - -/* do { - * match = s->window + cur_match; - * if (*(ushf*)(match+best_len-1) != scan_end || - * *(ushf*)match != scan_start) continue; - * [...] - * } while ((cur_match = prev[cur_match & wmask]) > limit - * && --chain_length != 0); - * - * Here is the inner loop of the function. The function will spend the - * majority of its time in this loop, and majority of that time will - * be spent in the first ten instructions. - * - * Within this loop: - * %ebx = chainlenscanend - i.e., ((chainlen << 16) | scanend) - * %ecx = curmatch - * %edx = curmatch & wmask - * %esi = windowbestlen - i.e., (window + bestlen) - * %edi = prev - * %ebp = limit - * - * Two optimization notes on the choice of instructions: - * - * The first instruction uses a 16-bit address, which costs an extra, - * unpairable cycle. This is cheaper than doing a 32-bit access and - * zeroing the high word, due to the 3-cycle misalignment penalty which - * would occur half the time. This also turns out to be cheaper than - * doing two separate 8-bit accesses, as the memory is so rarely in the - * L1 cache. - * - * The window buffer, however, apparently spends a lot of time in the - * cache, and so it is faster to retrieve the word at the end of the - * match string with two 8-bit loads. The instructions that test the - * word at the beginning of the match string, however, are executed - * much less frequently, and there it was cheaper to use 16-bit - * instructions, which avoided the necessity of saving off and - * subsequently reloading one of the other registers. - */ -LookupLoop: - /* 1 U & V */ - movw (%edi,%edx,2), %cx /* 2 U pipe */ - movl wmask(%esp), %edx /* 2 V pipe */ - cmpl %ebp, %ecx /* 3 U pipe */ - jbe LeaveNow /* 3 V pipe */ - subl $0x00010000, %ebx /* 4 U pipe */ - js LeaveNow /* 4 V pipe */ -LoopEntry: movb -1(%esi,%ecx), %al /* 5 U pipe */ - andl %ecx, %edx /* 5 V pipe */ - cmpb %bl, %al /* 6 U pipe */ - jnz LookupLoop /* 6 V pipe */ - movb (%esi,%ecx), %ah - cmpb %bh, %ah - jnz LookupLoop - movl window(%esp), %eax - movw (%eax,%ecx), %ax - cmpw scanstart(%esp), %ax - jnz LookupLoop - -/* Store the current value of chainlen. */ - - movl %ebx, chainlenscanend(%esp) - -/* Point %edi to the string under scrutiny, and %esi to the string we */ -/* are hoping to match it up with. In actuality, %esi and %edi are */ -/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */ -/* initialized to -(MAX_MATCH_8 - scanalign). */ - - movl window(%esp), %esi - movl scan(%esp), %edi - addl %ecx, %esi - movl scanalign(%esp), %eax - movl $(-MAX_MATCH_8), %edx - lea MAX_MATCH_8(%edi,%eax), %edi - lea MAX_MATCH_8(%esi,%eax), %esi - -/* Test the strings for equality, 8 bytes at a time. At the end, - * adjust %edx so that it is offset to the exact byte that mismatched. - * - * We already know at this point that the first three bytes of the - * strings match each other, and they can be safely passed over before - * starting the compare loop. So what this code does is skip over 0-3 - * bytes, as much as necessary in order to dword-align the %edi - * pointer. (%esi will still be misaligned three times out of four.) - * - * It should be confessed that this loop usually does not represent - * much of the total running time. Replacing it with a more - * straightforward "rep cmpsb" would not drastically degrade - * performance. - */ -LoopCmps: - movl (%esi,%edx), %eax - movl (%edi,%edx), %ebx - xorl %ebx, %eax - jnz LeaveLoopCmps - movl 4(%esi,%edx), %eax - movl 4(%edi,%edx), %ebx - xorl %ebx, %eax - jnz LeaveLoopCmps4 - addl $8, %edx - jnz LoopCmps - jmp LenMaximum -LeaveLoopCmps4: addl $4, %edx -LeaveLoopCmps: testl $0x0000FFFF, %eax - jnz LenLower - addl $2, %edx - shrl $16, %eax -LenLower: subb $1, %al - adcl $0, %edx - -/* Calculate the length of the match. If it is longer than MAX_MATCH, */ -/* then automatically accept it as the best possible match and leave. */ - - lea (%edi,%edx), %eax - movl scan(%esp), %edi - subl %edi, %eax - cmpl $MAX_MATCH, %eax - jge LenMaximum - -/* If the length of the match is not longer than the best match we */ -/* have so far, then forget it and return to the lookup loop. */ - - movl deflatestate(%esp), %edx - movl bestlen(%esp), %ebx - cmpl %ebx, %eax - jg LongerMatch - movl chainlenscanend(%esp), %ebx - movl windowbestlen(%esp), %esi - movl dsPrev(%edx), %edi - movl wmask(%esp), %edx - andl %ecx, %edx - jmp LookupLoop - -/* s->match_start = cur_match; */ -/* best_len = len; */ -/* if (len >= nice_match) break; */ -/* scan_end = *(ushf*)(scan+best_len-1); */ - -LongerMatch: movl nicematch(%esp), %ebx - movl %eax, bestlen(%esp) - movl %ecx, dsMatchStart(%edx) - cmpl %ebx, %eax - jge LeaveNow - movl window(%esp), %esi - addl %eax, %esi - movl %esi, windowbestlen(%esp) - movl chainlenscanend(%esp), %ebx - movw -1(%edi,%eax), %bx - movl dsPrev(%edx), %edi - movl %ebx, chainlenscanend(%esp) - movl wmask(%esp), %edx - andl %ecx, %edx - jmp LookupLoop - -/* Accept the current string, with the maximum possible length. */ - -LenMaximum: movl deflatestate(%esp), %edx - movl $MAX_MATCH, bestlen(%esp) - movl %ecx, dsMatchStart(%edx) - -/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */ -/* return s->lookahead; */ - -LeaveNow: - movl deflatestate(%esp), %edx - movl bestlen(%esp), %ebx - movl dsLookahead(%edx), %eax - cmpl %eax, %ebx - jg LookaheadRet - movl %ebx, %eax -LookaheadRet: - -/* Restore the stack and return from whence we came. */ - - addl $LocalVarsSize, %esp - popl %ebx - popl %esi - popl %edi - popl %ebp -match_init: ret +/* match.s -- Pentium-optimized version of longest_match() + * Written for zlib 1.1.2 + * Copyright (C) 1998 Brian Raiter + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License. + */ + +#ifndef NO_UNDERLINE +#define match_init _match_init +#define longest_match _longest_match +#endif + +#define MAX_MATCH (258) +#define MIN_MATCH (3) +#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1) +#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7) + +/* stack frame offsets */ + +#define wmask 0 /* local copy of s->wmask */ +#define window 4 /* local copy of s->window */ +#define windowbestlen 8 /* s->window + bestlen */ +#define chainlenscanend 12 /* high word: current chain len */ + /* low word: last bytes sought */ +#define scanstart 16 /* first two bytes of string */ +#define scanalign 20 /* dword-misalignment of string */ +#define nicematch 24 /* a good enough match size */ +#define bestlen 28 /* size of best match so far */ +#define scan 32 /* ptr to string wanting match */ + +#define LocalVarsSize (36) +/* saved ebx 36 */ +/* saved edi 40 */ +/* saved esi 44 */ +/* saved ebp 48 */ +/* return address 52 */ +#define deflatestate 56 /* the function arguments */ +#define curmatch 60 + +/* Offsets for fields in the deflate_state structure. These numbers + * are calculated from the definition of deflate_state, with the + * assumption that the compiler will dword-align the fields. (Thus, + * changing the definition of deflate_state could easily cause this + * program to crash horribly, without so much as a warning at + * compile time. Sigh.) + */ + +/* All the +zlib1222add offsets are due to the addition of fields + * in zlib in the deflate_state structure since the asm code was first written + * (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)"). + * (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0"). + * if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8"). + */ + +#define zlib1222add (8) + +#define dsWSize (36+zlib1222add) +#define dsWMask (44+zlib1222add) +#define dsWindow (48+zlib1222add) +#define dsPrev (56+zlib1222add) +#define dsMatchLen (88+zlib1222add) +#define dsPrevMatch (92+zlib1222add) +#define dsStrStart (100+zlib1222add) +#define dsMatchStart (104+zlib1222add) +#define dsLookahead (108+zlib1222add) +#define dsPrevLen (112+zlib1222add) +#define dsMaxChainLen (116+zlib1222add) +#define dsGoodMatch (132+zlib1222add) +#define dsNiceMatch (136+zlib1222add) + + +.file "match.S" + +.globl match_init, longest_match + +.text + +/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */ + +longest_match: + +/* Save registers that the compiler may be using, and adjust %esp to */ +/* make room for our stack frame. */ + + pushl %ebp + pushl %edi + pushl %esi + pushl %ebx + subl $LocalVarsSize, %esp + +/* Retrieve the function arguments. %ecx will hold cur_match */ +/* throughout the entire function. %edx will hold the pointer to the */ +/* deflate_state structure during the function's setup (before */ +/* entering the main loop). */ + + movl deflatestate(%esp), %edx + movl curmatch(%esp), %ecx + +/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */ + + movl dsNiceMatch(%edx), %eax + movl dsLookahead(%edx), %ebx + cmpl %eax, %ebx + jl LookaheadLess + movl %eax, %ebx +LookaheadLess: movl %ebx, nicematch(%esp) + +/* register Bytef *scan = s->window + s->strstart; */ + + movl dsWindow(%edx), %esi + movl %esi, window(%esp) + movl dsStrStart(%edx), %ebp + lea (%esi,%ebp), %edi + movl %edi, scan(%esp) + +/* Determine how many bytes the scan ptr is off from being */ +/* dword-aligned. */ + + movl %edi, %eax + negl %eax + andl $3, %eax + movl %eax, scanalign(%esp) + +/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */ +/* s->strstart - (IPos)MAX_DIST(s) : NIL; */ + + movl dsWSize(%edx), %eax + subl $MIN_LOOKAHEAD, %eax + subl %eax, %ebp + jg LimitPositive + xorl %ebp, %ebp +LimitPositive: + +/* unsigned chain_length = s->max_chain_length; */ +/* if (s->prev_length >= s->good_match) { */ +/* chain_length >>= 2; */ +/* } */ + + movl dsPrevLen(%edx), %eax + movl dsGoodMatch(%edx), %ebx + cmpl %ebx, %eax + movl dsMaxChainLen(%edx), %ebx + jl LastMatchGood + shrl $2, %ebx +LastMatchGood: + +/* chainlen is decremented once beforehand so that the function can */ +/* use the sign flag instead of the zero flag for the exit test. */ +/* It is then shifted into the high word, to make room for the scanend */ +/* scanend value, which it will always accompany. */ + + decl %ebx + shll $16, %ebx + +/* int best_len = s->prev_length; */ + + movl dsPrevLen(%edx), %eax + movl %eax, bestlen(%esp) + +/* Store the sum of s->window + best_len in %esi locally, and in %esi. */ + + addl %eax, %esi + movl %esi, windowbestlen(%esp) + +/* register ush scan_start = *(ushf*)scan; */ +/* register ush scan_end = *(ushf*)(scan+best_len-1); */ + + movw (%edi), %bx + movw %bx, scanstart(%esp) + movw -1(%edi,%eax), %bx + movl %ebx, chainlenscanend(%esp) + +/* Posf *prev = s->prev; */ +/* uInt wmask = s->w_mask; */ + + movl dsPrev(%edx), %edi + movl dsWMask(%edx), %edx + mov %edx, wmask(%esp) + +/* Jump into the main loop. */ + + jmp LoopEntry + +.balign 16 + +/* do { + * match = s->window + cur_match; + * if (*(ushf*)(match+best_len-1) != scan_end || + * *(ushf*)match != scan_start) continue; + * [...] + * } while ((cur_match = prev[cur_match & wmask]) > limit + * && --chain_length != 0); + * + * Here is the inner loop of the function. The function will spend the + * majority of its time in this loop, and majority of that time will + * be spent in the first ten instructions. + * + * Within this loop: + * %ebx = chainlenscanend - i.e., ((chainlen << 16) | scanend) + * %ecx = curmatch + * %edx = curmatch & wmask + * %esi = windowbestlen - i.e., (window + bestlen) + * %edi = prev + * %ebp = limit + * + * Two optimization notes on the choice of instructions: + * + * The first instruction uses a 16-bit address, which costs an extra, + * unpairable cycle. This is cheaper than doing a 32-bit access and + * zeroing the high word, due to the 3-cycle misalignment penalty which + * would occur half the time. This also turns out to be cheaper than + * doing two separate 8-bit accesses, as the memory is so rarely in the + * L1 cache. + * + * The window buffer, however, apparently spends a lot of time in the + * cache, and so it is faster to retrieve the word at the end of the + * match string with two 8-bit loads. The instructions that test the + * word at the beginning of the match string, however, are executed + * much less frequently, and there it was cheaper to use 16-bit + * instructions, which avoided the necessity of saving off and + * subsequently reloading one of the other registers. + */ +LookupLoop: + /* 1 U & V */ + movw (%edi,%edx,2), %cx /* 2 U pipe */ + movl wmask(%esp), %edx /* 2 V pipe */ + cmpl %ebp, %ecx /* 3 U pipe */ + jbe LeaveNow /* 3 V pipe */ + subl $0x00010000, %ebx /* 4 U pipe */ + js LeaveNow /* 4 V pipe */ +LoopEntry: movb -1(%esi,%ecx), %al /* 5 U pipe */ + andl %ecx, %edx /* 5 V pipe */ + cmpb %bl, %al /* 6 U pipe */ + jnz LookupLoop /* 6 V pipe */ + movb (%esi,%ecx), %ah + cmpb %bh, %ah + jnz LookupLoop + movl window(%esp), %eax + movw (%eax,%ecx), %ax + cmpw scanstart(%esp), %ax + jnz LookupLoop + +/* Store the current value of chainlen. */ + + movl %ebx, chainlenscanend(%esp) + +/* Point %edi to the string under scrutiny, and %esi to the string we */ +/* are hoping to match it up with. In actuality, %esi and %edi are */ +/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */ +/* initialized to -(MAX_MATCH_8 - scanalign). */ + + movl window(%esp), %esi + movl scan(%esp), %edi + addl %ecx, %esi + movl scanalign(%esp), %eax + movl $(-MAX_MATCH_8), %edx + lea MAX_MATCH_8(%edi,%eax), %edi + lea MAX_MATCH_8(%esi,%eax), %esi + +/* Test the strings for equality, 8 bytes at a time. At the end, + * adjust %edx so that it is offset to the exact byte that mismatched. + * + * We already know at this point that the first three bytes of the + * strings match each other, and they can be safely passed over before + * starting the compare loop. So what this code does is skip over 0-3 + * bytes, as much as necessary in order to dword-align the %edi + * pointer. (%esi will still be misaligned three times out of four.) + * + * It should be confessed that this loop usually does not represent + * much of the total running time. Replacing it with a more + * straightforward "rep cmpsb" would not drastically degrade + * performance. + */ +LoopCmps: + movl (%esi,%edx), %eax + movl (%edi,%edx), %ebx + xorl %ebx, %eax + jnz LeaveLoopCmps + movl 4(%esi,%edx), %eax + movl 4(%edi,%edx), %ebx + xorl %ebx, %eax + jnz LeaveLoopCmps4 + addl $8, %edx + jnz LoopCmps + jmp LenMaximum +LeaveLoopCmps4: addl $4, %edx +LeaveLoopCmps: testl $0x0000FFFF, %eax + jnz LenLower + addl $2, %edx + shrl $16, %eax +LenLower: subb $1, %al + adcl $0, %edx + +/* Calculate the length of the match. If it is longer than MAX_MATCH, */ +/* then automatically accept it as the best possible match and leave. */ + + lea (%edi,%edx), %eax + movl scan(%esp), %edi + subl %edi, %eax + cmpl $MAX_MATCH, %eax + jge LenMaximum + +/* If the length of the match is not longer than the best match we */ +/* have so far, then forget it and return to the lookup loop. */ + + movl deflatestate(%esp), %edx + movl bestlen(%esp), %ebx + cmpl %ebx, %eax + jg LongerMatch + movl chainlenscanend(%esp), %ebx + movl windowbestlen(%esp), %esi + movl dsPrev(%edx), %edi + movl wmask(%esp), %edx + andl %ecx, %edx + jmp LookupLoop + +/* s->match_start = cur_match; */ +/* best_len = len; */ +/* if (len >= nice_match) break; */ +/* scan_end = *(ushf*)(scan+best_len-1); */ + +LongerMatch: movl nicematch(%esp), %ebx + movl %eax, bestlen(%esp) + movl %ecx, dsMatchStart(%edx) + cmpl %ebx, %eax + jge LeaveNow + movl window(%esp), %esi + addl %eax, %esi + movl %esi, windowbestlen(%esp) + movl chainlenscanend(%esp), %ebx + movw -1(%edi,%eax), %bx + movl dsPrev(%edx), %edi + movl %ebx, chainlenscanend(%esp) + movl wmask(%esp), %edx + andl %ecx, %edx + jmp LookupLoop + +/* Accept the current string, with the maximum possible length. */ + +LenMaximum: movl deflatestate(%esp), %edx + movl $MAX_MATCH, bestlen(%esp) + movl %ecx, dsMatchStart(%edx) + +/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */ +/* return s->lookahead; */ + +LeaveNow: + movl deflatestate(%esp), %edx + movl bestlen(%esp), %ebx + movl dsLookahead(%edx), %eax + cmpl %eax, %ebx + jg LookaheadRet + movl %ebx, %eax +LookaheadRet: + +/* Restore the stack and return from whence we came. */ + + addl $LocalVarsSize, %esp + popl %ebx + popl %esi + popl %edi + popl %ebp +match_init: ret diff --git a/contrib/asm686/match.S b/contrib/asm686/match.S index 8e86c33..c24be4d 100644 --- a/contrib/asm686/match.S +++ b/contrib/asm686/match.S @@ -1,327 +1,329 @@ -/* match.s -- Pentium-Pro-optimized version of longest_match() - * Written for zlib 1.1.2 - * Copyright (C) 1998 Brian Raiter - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License. - */ - -#ifndef NO_UNDERLINE -#define match_init _match_init -#define longest_match _longest_match -#endif - -#define MAX_MATCH (258) -#define MIN_MATCH (3) -#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1) -#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7) - -/* stack frame offsets */ - -#define chainlenwmask 0 /* high word: current chain len */ - /* low word: s->wmask */ -#define window 4 /* local copy of s->window */ -#define windowbestlen 8 /* s->window + bestlen */ -#define scanstart 16 /* first two bytes of string */ -#define scanend 12 /* last two bytes of string */ -#define scanalign 20 /* dword-misalignment of string */ -#define nicematch 24 /* a good enough match size */ -#define bestlen 28 /* size of best match so far */ -#define scan 32 /* ptr to string wanting match */ - -#define LocalVarsSize (36) -/* saved ebx 36 */ -/* saved edi 40 */ -/* saved esi 44 */ -/* saved ebp 48 */ -/* return address 52 */ -#define deflatestate 56 /* the function arguments */ -#define curmatch 60 - -/* Offsets for fields in the deflate_state structure. These numbers - * are calculated from the definition of deflate_state, with the - * assumption that the compiler will dword-align the fields. (Thus, - * changing the definition of deflate_state could easily cause this - * program to crash horribly, without so much as a warning at - * compile time. Sigh.) - */ -#define dsWSize 36 -#define dsWMask 44 -#define dsWindow 48 -#define dsPrev 56 -#define dsMatchLen 88 -#define dsPrevMatch 92 -#define dsStrStart 100 -#define dsMatchStart 104 -#define dsLookahead 108 -#define dsPrevLen 112 -#define dsMaxChainLen 116 -#define dsGoodMatch 132 -#define dsNiceMatch 136 - - -.file "match.S" - -.globl match_init, longest_match - -.text - -/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */ - -longest_match: - -/* Save registers that the compiler may be using, and adjust %esp to */ -/* make room for our stack frame. */ - - pushl %ebp - pushl %edi - pushl %esi - pushl %ebx - subl $LocalVarsSize, %esp - -/* Retrieve the function arguments. %ecx will hold cur_match */ -/* throughout the entire function. %edx will hold the pointer to the */ -/* deflate_state structure during the function's setup (before */ -/* entering the main loop). */ - - movl deflatestate(%esp), %edx - movl curmatch(%esp), %ecx - -/* uInt wmask = s->w_mask; */ -/* unsigned chain_length = s->max_chain_length; */ -/* if (s->prev_length >= s->good_match) { */ -/* chain_length >>= 2; */ -/* } */ - - movl dsPrevLen(%edx), %eax - movl dsGoodMatch(%edx), %ebx - cmpl %ebx, %eax - movl dsWMask(%edx), %eax - movl dsMaxChainLen(%edx), %ebx - jl LastMatchGood - shrl $2, %ebx -LastMatchGood: - -/* chainlen is decremented once beforehand so that the function can */ -/* use the sign flag instead of the zero flag for the exit test. */ -/* It is then shifted into the high word, to make room for the wmask */ -/* value, which it will always accompany. */ - - decl %ebx - shll $16, %ebx - orl %eax, %ebx - movl %ebx, chainlenwmask(%esp) - -/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */ - - movl dsNiceMatch(%edx), %eax - movl dsLookahead(%edx), %ebx - cmpl %eax, %ebx - jl LookaheadLess - movl %eax, %ebx -LookaheadLess: movl %ebx, nicematch(%esp) - -/* register Bytef *scan = s->window + s->strstart; */ - - movl dsWindow(%edx), %esi - movl %esi, window(%esp) - movl dsStrStart(%edx), %ebp - lea (%esi,%ebp), %edi - movl %edi, scan(%esp) - -/* Determine how many bytes the scan ptr is off from being */ -/* dword-aligned. */ - - movl %edi, %eax - negl %eax - andl $3, %eax - movl %eax, scanalign(%esp) - -/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */ -/* s->strstart - (IPos)MAX_DIST(s) : NIL; */ - - movl dsWSize(%edx), %eax - subl $MIN_LOOKAHEAD, %eax - subl %eax, %ebp - jg LimitPositive - xorl %ebp, %ebp -LimitPositive: - -/* int best_len = s->prev_length; */ - - movl dsPrevLen(%edx), %eax - movl %eax, bestlen(%esp) - -/* Store the sum of s->window + best_len in %esi locally, and in %esi. */ - - addl %eax, %esi - movl %esi, windowbestlen(%esp) - -/* register ush scan_start = *(ushf*)scan; */ -/* register ush scan_end = *(ushf*)(scan+best_len-1); */ -/* Posf *prev = s->prev; */ - - movzwl (%edi), %ebx - movl %ebx, scanstart(%esp) - movzwl -1(%edi,%eax), %ebx - movl %ebx, scanend(%esp) - movl dsPrev(%edx), %edi - -/* Jump into the main loop. */ - - movl chainlenwmask(%esp), %edx - jmp LoopEntry - -.balign 16 - -/* do { - * match = s->window + cur_match; - * if (*(ushf*)(match+best_len-1) != scan_end || - * *(ushf*)match != scan_start) continue; - * [...] - * } while ((cur_match = prev[cur_match & wmask]) > limit - * && --chain_length != 0); - * - * Here is the inner loop of the function. The function will spend the - * majority of its time in this loop, and majority of that time will - * be spent in the first ten instructions. - * - * Within this loop: - * %ebx = scanend - * %ecx = curmatch - * %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) - * %esi = windowbestlen - i.e., (window + bestlen) - * %edi = prev - * %ebp = limit - */ -LookupLoop: - andl %edx, %ecx - movzwl (%edi,%ecx,2), %ecx - cmpl %ebp, %ecx - jbe LeaveNow - subl $0x00010000, %edx - js LeaveNow -LoopEntry: movzwl -1(%esi,%ecx), %eax - cmpl %ebx, %eax - jnz LookupLoop - movl window(%esp), %eax - movzwl (%eax,%ecx), %eax - cmpl scanstart(%esp), %eax - jnz LookupLoop - -/* Store the current value of chainlen. */ - - movl %edx, chainlenwmask(%esp) - -/* Point %edi to the string under scrutiny, and %esi to the string we */ -/* are hoping to match it up with. In actuality, %esi and %edi are */ -/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */ -/* initialized to -(MAX_MATCH_8 - scanalign). */ - - movl window(%esp), %esi - movl scan(%esp), %edi - addl %ecx, %esi - movl scanalign(%esp), %eax - movl $(-MAX_MATCH_8), %edx - lea MAX_MATCH_8(%edi,%eax), %edi - lea MAX_MATCH_8(%esi,%eax), %esi - -/* Test the strings for equality, 8 bytes at a time. At the end, - * adjust %edx so that it is offset to the exact byte that mismatched. - * - * We already know at this point that the first three bytes of the - * strings match each other, and they can be safely passed over before - * starting the compare loop. So what this code does is skip over 0-3 - * bytes, as much as necessary in order to dword-align the %edi - * pointer. (%esi will still be misaligned three times out of four.) - * - * It should be confessed that this loop usually does not represent - * much of the total running time. Replacing it with a more - * straightforward "rep cmpsb" would not drastically degrade - * performance. - */ -LoopCmps: - movl (%esi,%edx), %eax - xorl (%edi,%edx), %eax - jnz LeaveLoopCmps - movl 4(%esi,%edx), %eax - xorl 4(%edi,%edx), %eax - jnz LeaveLoopCmps4 - addl $8, %edx - jnz LoopCmps - jmp LenMaximum -LeaveLoopCmps4: addl $4, %edx -LeaveLoopCmps: testl $0x0000FFFF, %eax - jnz LenLower - addl $2, %edx - shrl $16, %eax -LenLower: subb $1, %al - adcl $0, %edx - -/* Calculate the length of the match. If it is longer than MAX_MATCH, */ -/* then automatically accept it as the best possible match and leave. */ - - lea (%edi,%edx), %eax - movl scan(%esp), %edi - subl %edi, %eax - cmpl $MAX_MATCH, %eax - jge LenMaximum - -/* If the length of the match is not longer than the best match we */ -/* have so far, then forget it and return to the lookup loop. */ - - movl deflatestate(%esp), %edx - movl bestlen(%esp), %ebx - cmpl %ebx, %eax - jg LongerMatch - movl windowbestlen(%esp), %esi - movl dsPrev(%edx), %edi - movl scanend(%esp), %ebx - movl chainlenwmask(%esp), %edx - jmp LookupLoop - -/* s->match_start = cur_match; */ -/* best_len = len; */ -/* if (len >= nice_match) break; */ -/* scan_end = *(ushf*)(scan+best_len-1); */ - -LongerMatch: movl nicematch(%esp), %ebx - movl %eax, bestlen(%esp) - movl %ecx, dsMatchStart(%edx) - cmpl %ebx, %eax - jge LeaveNow - movl window(%esp), %esi - addl %eax, %esi - movl %esi, windowbestlen(%esp) - movzwl -1(%edi,%eax), %ebx - movl dsPrev(%edx), %edi - movl %ebx, scanend(%esp) - movl chainlenwmask(%esp), %edx - jmp LookupLoop - -/* Accept the current string, with the maximum possible length. */ - -LenMaximum: movl deflatestate(%esp), %edx - movl $MAX_MATCH, bestlen(%esp) - movl %ecx, dsMatchStart(%edx) - -/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */ -/* return s->lookahead; */ - -LeaveNow: - movl deflatestate(%esp), %edx - movl bestlen(%esp), %ebx - movl dsLookahead(%edx), %eax - cmpl %eax, %ebx - jg LookaheadRet - movl %ebx, %eax -LookaheadRet: - -/* Restore the stack and return from whence we came. */ - - addl $LocalVarsSize, %esp - popl %ebx - popl %esi - popl %edi - popl %ebp -match_init: ret +/* match.s -- Pentium-Pro-optimized version of longest_match() + * Written for zlib 1.1.2 + * Copyright (C) 1998 Brian Raiter + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License. + */ + +#ifndef NO_UNDERLINE +#define match_init _match_init +#define longest_match _longest_match +#endif + +#define MAX_MATCH (258) +#define MIN_MATCH (3) +#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1) +#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7) + +/* stack frame offsets */ + +#define chainlenwmask 0 /* high word: current chain len */ + /* low word: s->wmask */ +#define window 4 /* local copy of s->window */ +#define windowbestlen 8 /* s->window + bestlen */ +#define scanstart 16 /* first two bytes of string */ +#define scanend 12 /* last two bytes of string */ +#define scanalign 20 /* dword-misalignment of string */ +#define nicematch 24 /* a good enough match size */ +#define bestlen 28 /* size of best match so far */ +#define scan 32 /* ptr to string wanting match */ + +#define LocalVarsSize (36) +/* saved ebx 36 */ +/* saved edi 40 */ +/* saved esi 44 */ +/* saved ebp 48 */ +/* return address 52 */ +#define deflatestate 56 /* the function arguments */ +#define curmatch 60 + +/* All the +zlib1222add offsets are due to the addition of fields + * in zlib in the deflate_state structure since the asm code was first written + * (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)"). + * (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0"). + * if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8"). + */ + +#define zlib1222add (8) + +#define dsWSize (36+zlib1222add) +#define dsWMask (44+zlib1222add) +#define dsWindow (48+zlib1222add) +#define dsPrev (56+zlib1222add) +#define dsMatchLen (88+zlib1222add) +#define dsPrevMatch (92+zlib1222add) +#define dsStrStart (100+zlib1222add) +#define dsMatchStart (104+zlib1222add) +#define dsLookahead (108+zlib1222add) +#define dsPrevLen (112+zlib1222add) +#define dsMaxChainLen (116+zlib1222add) +#define dsGoodMatch (132+zlib1222add) +#define dsNiceMatch (136+zlib1222add) + + +.file "match.S" + +.globl match_init, longest_match + +.text + +/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */ + +longest_match: + +/* Save registers that the compiler may be using, and adjust %esp to */ +/* make room for our stack frame. */ + + pushl %ebp + pushl %edi + pushl %esi + pushl %ebx + subl $LocalVarsSize, %esp + +/* Retrieve the function arguments. %ecx will hold cur_match */ +/* throughout the entire function. %edx will hold the pointer to the */ +/* deflate_state structure during the function's setup (before */ +/* entering the main loop). */ + + movl deflatestate(%esp), %edx + movl curmatch(%esp), %ecx + +/* uInt wmask = s->w_mask; */ +/* unsigned chain_length = s->max_chain_length; */ +/* if (s->prev_length >= s->good_match) { */ +/* chain_length >>= 2; */ +/* } */ + + movl dsPrevLen(%edx), %eax + movl dsGoodMatch(%edx), %ebx + cmpl %ebx, %eax + movl dsWMask(%edx), %eax + movl dsMaxChainLen(%edx), %ebx + jl LastMatchGood + shrl $2, %ebx +LastMatchGood: + +/* chainlen is decremented once beforehand so that the function can */ +/* use the sign flag instead of the zero flag for the exit test. */ +/* It is then shifted into the high word, to make room for the wmask */ +/* value, which it will always accompany. */ + + decl %ebx + shll $16, %ebx + orl %eax, %ebx + movl %ebx, chainlenwmask(%esp) + +/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */ + + movl dsNiceMatch(%edx), %eax + movl dsLookahead(%edx), %ebx + cmpl %eax, %ebx + jl LookaheadLess + movl %eax, %ebx +LookaheadLess: movl %ebx, nicematch(%esp) + +/* register Bytef *scan = s->window + s->strstart; */ + + movl dsWindow(%edx), %esi + movl %esi, window(%esp) + movl dsStrStart(%edx), %ebp + lea (%esi,%ebp), %edi + movl %edi, scan(%esp) + +/* Determine how many bytes the scan ptr is off from being */ +/* dword-aligned. */ + + movl %edi, %eax + negl %eax + andl $3, %eax + movl %eax, scanalign(%esp) + +/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */ +/* s->strstart - (IPos)MAX_DIST(s) : NIL; */ + + movl dsWSize(%edx), %eax + subl $MIN_LOOKAHEAD, %eax + subl %eax, %ebp + jg LimitPositive + xorl %ebp, %ebp +LimitPositive: + +/* int best_len = s->prev_length; */ + + movl dsPrevLen(%edx), %eax + movl %eax, bestlen(%esp) + +/* Store the sum of s->window + best_len in %esi locally, and in %esi. */ + + addl %eax, %esi + movl %esi, windowbestlen(%esp) + +/* register ush scan_start = *(ushf*)scan; */ +/* register ush scan_end = *(ushf*)(scan+best_len-1); */ +/* Posf *prev = s->prev; */ + + movzwl (%edi), %ebx + movl %ebx, scanstart(%esp) + movzwl -1(%edi,%eax), %ebx + movl %ebx, scanend(%esp) + movl dsPrev(%edx), %edi + +/* Jump into the main loop. */ + + movl chainlenwmask(%esp), %edx + jmp LoopEntry + +.balign 16 + +/* do { + * match = s->window + cur_match; + * if (*(ushf*)(match+best_len-1) != scan_end || + * *(ushf*)match != scan_start) continue; + * [...] + * } while ((cur_match = prev[cur_match & wmask]) > limit + * && --chain_length != 0); + * + * Here is the inner loop of the function. The function will spend the + * majority of its time in this loop, and majority of that time will + * be spent in the first ten instructions. + * + * Within this loop: + * %ebx = scanend + * %ecx = curmatch + * %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) + * %esi = windowbestlen - i.e., (window + bestlen) + * %edi = prev + * %ebp = limit + */ +LookupLoop: + andl %edx, %ecx + movzwl (%edi,%ecx,2), %ecx + cmpl %ebp, %ecx + jbe LeaveNow + subl $0x00010000, %edx + js LeaveNow +LoopEntry: movzwl -1(%esi,%ecx), %eax + cmpl %ebx, %eax + jnz LookupLoop + movl window(%esp), %eax + movzwl (%eax,%ecx), %eax + cmpl scanstart(%esp), %eax + jnz LookupLoop + +/* Store the current value of chainlen. */ + + movl %edx, chainlenwmask(%esp) + +/* Point %edi to the string under scrutiny, and %esi to the string we */ +/* are hoping to match it up with. In actuality, %esi and %edi are */ +/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */ +/* initialized to -(MAX_MATCH_8 - scanalign). */ + + movl window(%esp), %esi + movl scan(%esp), %edi + addl %ecx, %esi + movl scanalign(%esp), %eax + movl $(-MAX_MATCH_8), %edx + lea MAX_MATCH_8(%edi,%eax), %edi + lea MAX_MATCH_8(%esi,%eax), %esi + +/* Test the strings for equality, 8 bytes at a time. At the end, + * adjust %edx so that it is offset to the exact byte that mismatched. + * + * We already know at this point that the first three bytes of the + * strings match each other, and they can be safely passed over before + * starting the compare loop. So what this code does is skip over 0-3 + * bytes, as much as necessary in order to dword-align the %edi + * pointer. (%esi will still be misaligned three times out of four.) + * + * It should be confessed that this loop usually does not represent + * much of the total running time. Replacing it with a more + * straightforward "rep cmpsb" would not drastically degrade + * performance. + */ +LoopCmps: + movl (%esi,%edx), %eax + xorl (%edi,%edx), %eax + jnz LeaveLoopCmps + movl 4(%esi,%edx), %eax + xorl 4(%edi,%edx), %eax + jnz LeaveLoopCmps4 + addl $8, %edx + jnz LoopCmps + jmp LenMaximum +LeaveLoopCmps4: addl $4, %edx +LeaveLoopCmps: testl $0x0000FFFF, %eax + jnz LenLower + addl $2, %edx + shrl $16, %eax +LenLower: subb $1, %al + adcl $0, %edx + +/* Calculate the length of the match. If it is longer than MAX_MATCH, */ +/* then automatically accept it as the best possible match and leave. */ + + lea (%edi,%edx), %eax + movl scan(%esp), %edi + subl %edi, %eax + cmpl $MAX_MATCH, %eax + jge LenMaximum + +/* If the length of the match is not longer than the best match we */ +/* have so far, then forget it and return to the lookup loop. */ + + movl deflatestate(%esp), %edx + movl bestlen(%esp), %ebx + cmpl %ebx, %eax + jg LongerMatch + movl windowbestlen(%esp), %esi + movl dsPrev(%edx), %edi + movl scanend(%esp), %ebx + movl chainlenwmask(%esp), %edx + jmp LookupLoop + +/* s->match_start = cur_match; */ +/* best_len = len; */ +/* if (len >= nice_match) break; */ +/* scan_end = *(ushf*)(scan+best_len-1); */ + +LongerMatch: movl nicematch(%esp), %ebx + movl %eax, bestlen(%esp) + movl %ecx, dsMatchStart(%edx) + cmpl %ebx, %eax + jge LeaveNow + movl window(%esp), %esi + addl %eax, %esi + movl %esi, windowbestlen(%esp) + movzwl -1(%edi,%eax), %ebx + movl dsPrev(%edx), %edi + movl %ebx, scanend(%esp) + movl chainlenwmask(%esp), %edx + jmp LookupLoop + +/* Accept the current string, with the maximum possible length. */ + +LenMaximum: movl deflatestate(%esp), %edx + movl $MAX_MATCH, bestlen(%esp) + movl %ecx, dsMatchStart(%edx) + +/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */ +/* return s->lookahead; */ + +LeaveNow: + movl deflatestate(%esp), %edx + movl bestlen(%esp), %ebx + movl dsLookahead(%edx), %eax + cmpl %eax, %ebx + jg LookaheadRet + movl %ebx, %eax +LookaheadRet: + +/* Restore the stack and return from whence we came. */ + + addl $LocalVarsSize, %esp + popl %ebx + popl %esi + popl %edi + popl %ebp +match_init: ret diff --git a/contrib/infback9/infback9.h b/contrib/infback9/infback9.h index 10bf58c..1073c0a 100644 --- a/contrib/infback9/infback9.h +++ b/contrib/infback9/infback9.h @@ -16,6 +16,10 @@ * zlib.h must be included before this header file. */ +#ifdef __cplusplus +extern "C" { +#endif + ZEXTERN int ZEXPORT inflateBack9 OF((z_stream FAR *strm, in_func in, void FAR *in_desc, out_func out, void FAR *out_desc)); @@ -27,3 +31,7 @@ ZEXTERN int ZEXPORT inflateBack9Init_ OF((z_stream FAR *strm, #define inflateBack9Init(strm, window) \ inflateBack9Init_((strm), (window), \ ZLIB_VERSION, sizeof(z_stream)) + +#ifdef __cplusplus +} +#endif diff --git a/contrib/infback9/inftree9.c b/contrib/infback9/inftree9.c index 29bef6a..ac4575c 100644 --- a/contrib/infback9/inftree9.c +++ b/contrib/infback9/inftree9.c @@ -1,5 +1,5 @@ /* inftree9.c -- generate Huffman trees for efficient decoding - * Copyright (C) 1995-2003 Mark Adler + * Copyright (C) 1995-2005 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -9,7 +9,7 @@ #define MAXBITS 15 const char inflate9_copyright[] = - " inflate9 1.2.2.2 Copyright 1995-2004 Mark Adler "; + " inflate9 1.2.2.3 Copyright 1995-2005 Mark Adler "; /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot @@ -64,7 +64,7 @@ unsigned short FAR *work; static const unsigned short lext[31] = { /* Length codes 257..285 extra */ 128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129, 130, 130, 130, 130, 131, 131, 131, 131, 132, 132, 132, 132, - 133, 133, 133, 133, 144, 72, 199}; + 133, 133, 133, 133, 144, 66, 71}; static const unsigned short dbase[32] = { /* Distance codes 0..31 base */ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, diff --git a/contrib/masm686/match.asm b/contrib/masm686/match.asm index 2287804..4b03a71 100644 --- a/contrib/masm686/match.asm +++ b/contrib/masm686/match.asm @@ -1,408 +1,413 @@ - -; match.asm -- Pentium-Pro optimized version of longest_match() -; -; Updated for zlib 1.1.3 and converted to MASM 6.1x -; Copyright (C) 2000 Dan Higdon -; and Chuck Walbourn -; Corrections by Cosmin Truta -; -; This is free software; you can redistribute it and/or modify it -; under the terms of the GNU General Public License. - -; Based on match.S -; Written for zlib 1.1.2 -; Copyright (C) 1998 Brian Raiter - - .686P - .MODEL FLAT - -;=========================================================================== -; EQUATES -;=========================================================================== - -MAX_MATCH EQU 258 -MIN_MATCH EQU 3 -MIN_LOOKAHEAD EQU (MAX_MATCH + MIN_MATCH + 1) -MAX_MATCH_8 EQU ((MAX_MATCH + 7) AND (NOT 7)) - -;=========================================================================== -; STRUCTURES -;=========================================================================== - -; This STRUCT assumes a 4-byte alignment - -DEFLATE_STATE STRUCT -ds_strm dd ? -ds_status dd ? -ds_pending_buf dd ? -ds_pending_buf_size dd ? -ds_pending_out dd ? -ds_pending dd ? -ds_wrap dd ? -ds_data_type db ? -ds_method db ? - db ? ; padding - db ? ; padding -ds_last_flush dd ? -ds_w_size dd ? ; used -ds_w_bits dd ? -ds_w_mask dd ? ; used -ds_window dd ? ; used -ds_window_size dd ? -ds_prev dd ? ; used -ds_head dd ? -ds_ins_h dd ? -ds_hash_size dd ? -ds_hash_bits dd ? -ds_hash_mask dd ? -ds_hash_shift dd ? -ds_block_start dd ? -ds_match_length dd ? ; used -ds_prev_match dd ? ; used -ds_match_available dd ? -ds_strstart dd ? ; used -ds_match_start dd ? ; used -ds_lookahead dd ? ; used -ds_prev_length dd ? ; used -ds_max_chain_length dd ? ; used -ds_max_laxy_match dd ? -ds_level dd ? -ds_strategy dd ? -ds_good_match dd ? ; used -ds_nice_match dd ? ; used - -; Don't need anymore of the struct for match -DEFLATE_STATE ENDS - -;=========================================================================== -; CODE -;=========================================================================== -_TEXT SEGMENT - -;--------------------------------------------------------------------------- -; match_init -;--------------------------------------------------------------------------- - ALIGN 4 -PUBLIC _match_init -_match_init PROC - ; no initialization needed - ret -_match_init ENDP - -;--------------------------------------------------------------------------- -; uInt longest_match(deflate_state *deflatestate, IPos curmatch) -;--------------------------------------------------------------------------- - ALIGN 4 - -PUBLIC _longest_match -_longest_match PROC - -; Since this code uses EBP for a scratch register, the stack frame must -; be manually constructed and referenced relative to the ESP register. - -; Stack image -; Variables -chainlenwmask = 0 ; high word: current chain len - ; low word: s->wmask -window = 4 ; local copy of s->window -windowbestlen = 8 ; s->window + bestlen -scanend = 12 ; last two bytes of string -scanstart = 16 ; first two bytes of string -scanalign = 20 ; dword-misalignment of string -nicematch = 24 ; a good enough match size -bestlen = 28 ; size of best match so far -scan = 32 ; ptr to string wanting match -varsize = 36 ; number of bytes (also offset to last saved register) - -; Saved Registers (actually pushed into place) -ebx_save = 36 -edi_save = 40 -esi_save = 44 -ebp_save = 48 - -; Parameters -retaddr = 52 -deflatestate = 56 -curmatch = 60 - -; Save registers that the compiler may be using - push ebp - push edi - push esi - push ebx - -; Allocate local variable space - sub esp,varsize - -; Retrieve the function arguments. ecx will hold cur_match -; throughout the entire function. edx will hold the pointer to the -; deflate_state structure during the function's setup (before -; entering the main loop). - - mov edx, [esp+deflatestate] -ASSUME edx:PTR DEFLATE_STATE - - mov ecx, [esp+curmatch] - -; uInt wmask = s->w_mask; -; unsigned chain_length = s->max_chain_length; -; if (s->prev_length >= s->good_match) { -; chain_length >>= 2; -; } - - mov eax, [edx].ds_prev_length - mov ebx, [edx].ds_good_match - cmp eax, ebx - mov eax, [edx].ds_w_mask - mov ebx, [edx].ds_max_chain_length - jl SHORT LastMatchGood - shr ebx, 2 -LastMatchGood: - -; chainlen is decremented once beforehand so that the function can -; use the sign flag instead of the zero flag for the exit test. -; It is then shifted into the high word, to make room for the wmask -; value, which it will always accompany. - - dec ebx - shl ebx, 16 - or ebx, eax - mov [esp+chainlenwmask], ebx - -; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; - - mov eax, [edx].ds_nice_match - mov ebx, [edx].ds_lookahead - cmp ebx, eax - jl SHORT LookaheadLess - mov ebx, eax -LookaheadLess: - mov [esp+nicematch], ebx - -;/* register Bytef *scan = s->window + s->strstart; */ - - mov esi, [edx].ds_window - mov [esp+window], esi - mov ebp, [edx].ds_strstart - lea edi, [esi+ebp] - mov [esp+scan],edi - -;/* Determine how many bytes the scan ptr is off from being */ -;/* dword-aligned. */ - - mov eax, edi - neg eax - and eax, 3 - mov [esp+scanalign], eax - -;/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */ -;/* s->strstart - (IPos)MAX_DIST(s) : NIL; */ - - mov eax, [edx].ds_w_size - sub eax, MIN_LOOKAHEAD - sub ebp, eax - jg SHORT LimitPositive - xor ebp, ebp -LimitPositive: - -;/* int best_len = s->prev_length; */ - - mov eax, [edx].ds_prev_length - mov [esp+bestlen], eax - -;/* Store the sum of s->window + best_len in %esi locally, and in %esi. */ - - add esi, eax - mov [esp+windowbestlen], esi - -;/* register ush scan_start = *(ushf*)scan; */ -;/* register ush scan_end = *(ushf*)(scan+best_len-1); */ -;/* Posf *prev = s->prev; */ - - movzx ebx, WORD PTR[edi] - mov [esp+scanstart], ebx - movzx ebx, WORD PTR[eax+edi-1] - mov [esp+scanend], ebx - mov edi, [edx].ds_prev - -;/* Jump into the main loop. */ - - mov edx, [esp+chainlenwmask] - jmp SHORT LoopEntry - -;/* do { -; * match = s->window + cur_match; -; * if (*(ushf*)(match+best_len-1) != scan_end || -; * *(ushf*)match != scan_start) continue; -; * [...] -; * } while ((cur_match = prev[cur_match & wmask]) > limit -; * && --chain_length != 0); -; * -; * Here is the inner loop of the function. The function will spend the -; * majority of its time in this loop, and majority of that time will -; * be spent in the first ten instructions. -; * -; * Within this loop: -; * %ebx = scanend -; * %ecx = curmatch -; * %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) -; * %esi = windowbestlen - i.e., (window + bestlen) -; * %edi = prev -; * %ebp = limit -; */ - - ALIGN 4 -LookupLoop: - and ecx, edx - movzx ecx, WORD PTR[edi+ecx*2] - cmp ecx, ebp - jbe LeaveNow - sub edx, 000010000H - js LeaveNow - -LoopEntry: - movzx eax, WORD PTR[esi+ecx-1] - cmp eax, ebx - jnz SHORT LookupLoop - - mov eax, [esp+window] - movzx eax, WORD PTR[eax+ecx] - cmp eax, [esp+scanstart] - jnz SHORT LookupLoop - -;/* Store the current value of chainlen. */ - - mov [esp+chainlenwmask], edx - -;/* Point %edi to the string under scrutiny, and %esi to the string we */ -;/* are hoping to match it up with. In actuality, %esi and %edi are */ -;/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */ -;/* initialized to -(MAX_MATCH_8 - scanalign). */ - - mov esi, [esp+window] - mov edi, [esp+scan] - add esi, ecx - mov eax, [esp+scanalign] - mov edx, -MAX_MATCH_8 - lea edi, [edi+eax+MAX_MATCH_8] - lea esi, [esi+eax+MAX_MATCH_8] - -;/* Test the strings for equality, 8 bytes at a time. At the end, -; * adjust %edx so that it is offset to the exact byte that mismatched. -; * -; * We already know at this point that the first three bytes of the -; * strings match each other, and they can be safely passed over before -; * starting the compare loop. So what this code does is skip over 0-3 -; * bytes, as much as necessary in order to dword-align the %edi -; * pointer. (%esi will still be misaligned three times out of four.) -; * -; * It should be confessed that this loop usually does not represent -; * much of the total running time. Replacing it with a more -; * straightforward "rep cmpsb" would not drastically degrade -; * performance. -; */ - -LoopCmps: - mov eax, DWORD PTR[esi+edx] - xor eax, DWORD PTR[edi+edx] - jnz SHORT LeaveLoopCmps - - mov eax, DWORD PTR[esi+edx+4] - xor eax, DWORD PTR[edi+edx+4] - jnz SHORT LeaveLoopCmps4 - - add edx, 8 - jnz SHORT LoopCmps - jmp LenMaximum - ALIGN 4 - -LeaveLoopCmps4: - add edx, 4 - -LeaveLoopCmps: - test eax, 00000FFFFH - jnz SHORT LenLower - - add edx, 2 - shr eax, 16 - -LenLower: - sub al, 1 - adc edx, 0 - -;/* Calculate the length of the match. If it is longer than MAX_MATCH, */ -;/* then automatically accept it as the best possible match and leave. */ - - lea eax, [edi+edx] - mov edi, [esp+scan] - sub eax, edi - cmp eax, MAX_MATCH - jge SHORT LenMaximum - -;/* If the length of the match is not longer than the best match we */ -;/* have so far, then forget it and return to the lookup loop. */ - - mov edx, [esp+deflatestate] - mov ebx, [esp+bestlen] - cmp eax, ebx - jg SHORT LongerMatch - mov esi, [esp+windowbestlen] - mov edi, [edx].ds_prev - mov ebx, [esp+scanend] - mov edx, [esp+chainlenwmask] - jmp LookupLoop - ALIGN 4 - -;/* s->match_start = cur_match; */ -;/* best_len = len; */ -;/* if (len >= nice_match) break; */ -;/* scan_end = *(ushf*)(scan+best_len-1); */ - -LongerMatch: - mov ebx, [esp+nicematch] - mov [esp+bestlen], eax - mov [edx].ds_match_start, ecx - cmp eax, ebx - jge SHORT LeaveNow - mov esi, [esp+window] - add esi, eax - mov [esp+windowbestlen], esi - movzx ebx, WORD PTR[edi+eax-1] - mov edi, [edx].ds_prev - mov [esp+scanend], ebx - mov edx, [esp+chainlenwmask] - jmp LookupLoop - ALIGN 4 - -;/* Accept the current string, with the maximum possible length. */ - -LenMaximum: - mov edx, [esp+deflatestate] - mov DWORD PTR[esp+bestlen], MAX_MATCH - mov [edx].ds_match_start, ecx - -;/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */ -;/* return s->lookahead; */ - -LeaveNow: - mov edx, [esp+deflatestate] - mov ebx, [esp+bestlen] - mov eax, [edx].ds_lookahead - cmp ebx, eax - jg SHORT LookaheadRet - mov eax, ebx -LookaheadRet: - -; Restore the stack and return from whence we came. - - add esp, varsize - pop ebx - pop esi - pop edi - pop ebp - ret - -_longest_match ENDP - -_TEXT ENDS -END + +; match.asm -- Pentium-Pro optimized version of longest_match() +; +; Updated for zlib 1.1.3 and converted to MASM 6.1x +; Copyright (C) 2000 Dan Higdon +; and Chuck Walbourn +; Corrections by Cosmin Truta +; +; This is free software; you can redistribute it and/or modify it +; under the terms of the GNU General Public License. + +; Based on match.S +; Written for zlib 1.1.2 +; Copyright (C) 1998 Brian Raiter +; +; Modified by Gilles Vollant (2005) for add gzhead and gzindex + + .686P + .MODEL FLAT + +;=========================================================================== +; EQUATES +;=========================================================================== + +MAX_MATCH EQU 258 +MIN_MATCH EQU 3 +MIN_LOOKAHEAD EQU (MAX_MATCH + MIN_MATCH + 1) +MAX_MATCH_8 EQU ((MAX_MATCH + 7) AND (NOT 7)) + +;=========================================================================== +; STRUCTURES +;=========================================================================== + +; This STRUCT assumes a 4-byte alignment + +DEFLATE_STATE STRUCT +ds_strm dd ? +ds_status dd ? +ds_pending_buf dd ? +ds_pending_buf_size dd ? +ds_pending_out dd ? +ds_pending dd ? +ds_wrap dd ? +; gzhead and gzindex are added in zlib 1.2.2.2 (see deflate.h) +ds_gzhead dd ? +ds_gzindex dd ? +ds_data_type db ? +ds_method db ? + db ? ; padding + db ? ; padding +ds_last_flush dd ? +ds_w_size dd ? ; used +ds_w_bits dd ? +ds_w_mask dd ? ; used +ds_window dd ? ; used +ds_window_size dd ? +ds_prev dd ? ; used +ds_head dd ? +ds_ins_h dd ? +ds_hash_size dd ? +ds_hash_bits dd ? +ds_hash_mask dd ? +ds_hash_shift dd ? +ds_block_start dd ? +ds_match_length dd ? ; used +ds_prev_match dd ? ; used +ds_match_available dd ? +ds_strstart dd ? ; used +ds_match_start dd ? ; used +ds_lookahead dd ? ; used +ds_prev_length dd ? ; used +ds_max_chain_length dd ? ; used +ds_max_laxy_match dd ? +ds_level dd ? +ds_strategy dd ? +ds_good_match dd ? ; used +ds_nice_match dd ? ; used + +; Don't need anymore of the struct for match +DEFLATE_STATE ENDS + +;=========================================================================== +; CODE +;=========================================================================== +_TEXT SEGMENT + +;--------------------------------------------------------------------------- +; match_init +;--------------------------------------------------------------------------- + ALIGN 4 +PUBLIC _match_init +_match_init PROC + ; no initialization needed + ret +_match_init ENDP + +;--------------------------------------------------------------------------- +; uInt longest_match(deflate_state *deflatestate, IPos curmatch) +;--------------------------------------------------------------------------- + ALIGN 4 + +PUBLIC _longest_match +_longest_match PROC + +; Since this code uses EBP for a scratch register, the stack frame must +; be manually constructed and referenced relative to the ESP register. + +; Stack image +; Variables +chainlenwmask = 0 ; high word: current chain len + ; low word: s->wmask +window = 4 ; local copy of s->window +windowbestlen = 8 ; s->window + bestlen +scanend = 12 ; last two bytes of string +scanstart = 16 ; first two bytes of string +scanalign = 20 ; dword-misalignment of string +nicematch = 24 ; a good enough match size +bestlen = 28 ; size of best match so far +scan = 32 ; ptr to string wanting match +varsize = 36 ; number of bytes (also offset to last saved register) + +; Saved Registers (actually pushed into place) +ebx_save = 36 +edi_save = 40 +esi_save = 44 +ebp_save = 48 + +; Parameters +retaddr = 52 +deflatestate = 56 +curmatch = 60 + +; Save registers that the compiler may be using + push ebp + push edi + push esi + push ebx + +; Allocate local variable space + sub esp,varsize + +; Retrieve the function arguments. ecx will hold cur_match +; throughout the entire function. edx will hold the pointer to the +; deflate_state structure during the function's setup (before +; entering the main loop). + + mov edx, [esp+deflatestate] +ASSUME edx:PTR DEFLATE_STATE + + mov ecx, [esp+curmatch] + +; uInt wmask = s->w_mask; +; unsigned chain_length = s->max_chain_length; +; if (s->prev_length >= s->good_match) { +; chain_length >>= 2; +; } + + mov eax, [edx].ds_prev_length + mov ebx, [edx].ds_good_match + cmp eax, ebx + mov eax, [edx].ds_w_mask + mov ebx, [edx].ds_max_chain_length + jl SHORT LastMatchGood + shr ebx, 2 +LastMatchGood: + +; chainlen is decremented once beforehand so that the function can +; use the sign flag instead of the zero flag for the exit test. +; It is then shifted into the high word, to make room for the wmask +; value, which it will always accompany. + + dec ebx + shl ebx, 16 + or ebx, eax + mov [esp+chainlenwmask], ebx + +; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; + + mov eax, [edx].ds_nice_match + mov ebx, [edx].ds_lookahead + cmp ebx, eax + jl SHORT LookaheadLess + mov ebx, eax +LookaheadLess: + mov [esp+nicematch], ebx + +;/* register Bytef *scan = s->window + s->strstart; */ + + mov esi, [edx].ds_window + mov [esp+window], esi + mov ebp, [edx].ds_strstart + lea edi, [esi+ebp] + mov [esp+scan],edi + +;/* Determine how many bytes the scan ptr is off from being */ +;/* dword-aligned. */ + + mov eax, edi + neg eax + and eax, 3 + mov [esp+scanalign], eax + +;/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */ +;/* s->strstart - (IPos)MAX_DIST(s) : NIL; */ + + mov eax, [edx].ds_w_size + sub eax, MIN_LOOKAHEAD + sub ebp, eax + jg SHORT LimitPositive + xor ebp, ebp +LimitPositive: + +;/* int best_len = s->prev_length; */ + + mov eax, [edx].ds_prev_length + mov [esp+bestlen], eax + +;/* Store the sum of s->window + best_len in %esi locally, and in %esi. */ + + add esi, eax + mov [esp+windowbestlen], esi + +;/* register ush scan_start = *(ushf*)scan; */ +;/* register ush scan_end = *(ushf*)(scan+best_len-1); */ +;/* Posf *prev = s->prev; */ + + movzx ebx, WORD PTR[edi] + mov [esp+scanstart], ebx + movzx ebx, WORD PTR[eax+edi-1] + mov [esp+scanend], ebx + mov edi, [edx].ds_prev + +;/* Jump into the main loop. */ + + mov edx, [esp+chainlenwmask] + jmp SHORT LoopEntry + +;/* do { +; * match = s->window + cur_match; +; * if (*(ushf*)(match+best_len-1) != scan_end || +; * *(ushf*)match != scan_start) continue; +; * [...] +; * } while ((cur_match = prev[cur_match & wmask]) > limit +; * && --chain_length != 0); +; * +; * Here is the inner loop of the function. The function will spend the +; * majority of its time in this loop, and majority of that time will +; * be spent in the first ten instructions. +; * +; * Within this loop: +; * %ebx = scanend +; * %ecx = curmatch +; * %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) +; * %esi = windowbestlen - i.e., (window + bestlen) +; * %edi = prev +; * %ebp = limit +; */ + + ALIGN 4 +LookupLoop: + and ecx, edx + movzx ecx, WORD PTR[edi+ecx*2] + cmp ecx, ebp + jbe LeaveNow + sub edx, 000010000H + js LeaveNow + +LoopEntry: + movzx eax, WORD PTR[esi+ecx-1] + cmp eax, ebx + jnz SHORT LookupLoop + + mov eax, [esp+window] + movzx eax, WORD PTR[eax+ecx] + cmp eax, [esp+scanstart] + jnz SHORT LookupLoop + +;/* Store the current value of chainlen. */ + + mov [esp+chainlenwmask], edx + +;/* Point %edi to the string under scrutiny, and %esi to the string we */ +;/* are hoping to match it up with. In actuality, %esi and %edi are */ +;/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */ +;/* initialized to -(MAX_MATCH_8 - scanalign). */ + + mov esi, [esp+window] + mov edi, [esp+scan] + add esi, ecx + mov eax, [esp+scanalign] + mov edx, -MAX_MATCH_8 + lea edi, [edi+eax+MAX_MATCH_8] + lea esi, [esi+eax+MAX_MATCH_8] + +;/* Test the strings for equality, 8 bytes at a time. At the end, +; * adjust %edx so that it is offset to the exact byte that mismatched. +; * +; * We already know at this point that the first three bytes of the +; * strings match each other, and they can be safely passed over before +; * starting the compare loop. So what this code does is skip over 0-3 +; * bytes, as much as necessary in order to dword-align the %edi +; * pointer. (%esi will still be misaligned three times out of four.) +; * +; * It should be confessed that this loop usually does not represent +; * much of the total running time. Replacing it with a more +; * straightforward "rep cmpsb" would not drastically degrade +; * performance. +; */ + +LoopCmps: + mov eax, DWORD PTR[esi+edx] + xor eax, DWORD PTR[edi+edx] + jnz SHORT LeaveLoopCmps + + mov eax, DWORD PTR[esi+edx+4] + xor eax, DWORD PTR[edi+edx+4] + jnz SHORT LeaveLoopCmps4 + + add edx, 8 + jnz SHORT LoopCmps + jmp LenMaximum + ALIGN 4 + +LeaveLoopCmps4: + add edx, 4 + +LeaveLoopCmps: + test eax, 00000FFFFH + jnz SHORT LenLower + + add edx, 2 + shr eax, 16 + +LenLower: + sub al, 1 + adc edx, 0 + +;/* Calculate the length of the match. If it is longer than MAX_MATCH, */ +;/* then automatically accept it as the best possible match and leave. */ + + lea eax, [edi+edx] + mov edi, [esp+scan] + sub eax, edi + cmp eax, MAX_MATCH + jge SHORT LenMaximum + +;/* If the length of the match is not longer than the best match we */ +;/* have so far, then forget it and return to the lookup loop. */ + + mov edx, [esp+deflatestate] + mov ebx, [esp+bestlen] + cmp eax, ebx + jg SHORT LongerMatch + mov esi, [esp+windowbestlen] + mov edi, [edx].ds_prev + mov ebx, [esp+scanend] + mov edx, [esp+chainlenwmask] + jmp LookupLoop + ALIGN 4 + +;/* s->match_start = cur_match; */ +;/* best_len = len; */ +;/* if (len >= nice_match) break; */ +;/* scan_end = *(ushf*)(scan+best_len-1); */ + +LongerMatch: + mov ebx, [esp+nicematch] + mov [esp+bestlen], eax + mov [edx].ds_match_start, ecx + cmp eax, ebx + jge SHORT LeaveNow + mov esi, [esp+window] + add esi, eax + mov [esp+windowbestlen], esi + movzx ebx, WORD PTR[edi+eax-1] + mov edi, [edx].ds_prev + mov [esp+scanend], ebx + mov edx, [esp+chainlenwmask] + jmp LookupLoop + ALIGN 4 + +;/* Accept the current string, with the maximum possible length. */ + +LenMaximum: + mov edx, [esp+deflatestate] + mov DWORD PTR[esp+bestlen], MAX_MATCH + mov [edx].ds_match_start, ecx + +;/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */ +;/* return s->lookahead; */ + +LeaveNow: + mov edx, [esp+deflatestate] + mov ebx, [esp+bestlen] + mov eax, [edx].ds_lookahead + cmp ebx, eax + jg SHORT LookaheadRet + mov eax, ebx +LookaheadRet: + +; Restore the stack and return from whence we came. + + add esp, varsize + pop ebx + pop esi + pop edi + pop ebp + ret + +_longest_match ENDP + +_TEXT ENDS +END diff --git a/contrib/masmx64/bld_ml64.bat b/contrib/masmx64/bld_ml64.bat new file mode 100644 index 0000000..8f9343d --- /dev/null +++ b/contrib/masmx64/bld_ml64.bat @@ -0,0 +1,2 @@ +ml64.exe /Flinffasx64 /c /Zi inffasx64.asm +ml64.exe /Flgvmat64 /c /Zi gvmat64.asm diff --git a/contrib/masmx64/gvmat64.asm b/contrib/masmx64/gvmat64.asm new file mode 100644 index 0000000..cee2145 --- /dev/null +++ b/contrib/masmx64/gvmat64.asm @@ -0,0 +1,464 @@ +;uInt longest_match_x64( +; deflate_state *s, +; IPos cur_match); /* current match */ + +; gvmat64.asm -- Asm portion of the optimized longest_match for 32 bits x86 +; Copyright (C) 1995-2005 Jean-loup Gailly, Brian Raiter and Gilles Vollant. +; File written by Gilles Vollant, by modifiying the longest_match +; from Jean-loup Gailly in deflate.c +; and modifying asm686 with masm, optimised assembly code from Brian Raiter, +; written 1998 +; http://www.zlib.net +; http://www.winimage.com/zLibDll +; http://www.muppetlabs.com/~breadbox/software/assembly.html +; +; to compile this file, I use option +; ml64.exe /Flgvmat64 /c /Zi gvmat64.asm +; with Microsoft Macro Assembler (x64) for AMD64 +; +; ml64.exe is given with Visual Studio 2005, Windows 2003 server DDK +; +; (you can get Windows 2003 server DDK with ml64 and cl for AMD64 from +; http://www.microsoft.com/whdc/devtools/ddk/default.mspx for low price) +; +; Be carrefull to adapt zlib1222add below to your version of zLib + + +;uInt longest_match(s, cur_match) +; deflate_state *s; +; IPos cur_match; /* current match */ +.code +longest_match PROC + + +;LocalVarsSize equ 88 + LocalVarsSize equ 72 + +; register used : rax,rbx,rcx,rdx,rsi,rdi,r8,r9,r10,r11,r12 +; free register : r14,r15 +; register can be saved : rsp + + chainlenwmask equ rsp + 8 - LocalVarsSize ; high word: current chain len + ; low word: s->wmask +;window equ rsp + xx - LocalVarsSize ; local copy of s->window ; stored in r10 +;windowbestlen equ rsp + xx - LocalVarsSize ; s->window + bestlen , use r10+r11 +;scanstart equ rsp + xx - LocalVarsSize ; first two bytes of string ; stored in r12w +;scanend equ rsp + xx - LocalVarsSize ; last two bytes of string use ebx +;scanalign equ rsp + xx - LocalVarsSize ; dword-misalignment of string r13 +;bestlen equ rsp + xx - LocalVarsSize ; size of best match so far -> r11d +;scan equ rsp + xx - LocalVarsSize ; ptr to string wanting match -> r9 + nicematch equ rsp + 16 - LocalVarsSize ; a good enough match size -> r14 + +save_rdi equ rsp + 24 - LocalVarsSize +save_rsi equ rsp + 32 - LocalVarsSize +save_rbx equ rsp + 40 - LocalVarsSize +save_rbp equ rsp + 48 - LocalVarsSize +save_r12 equ rsp + 56 - LocalVarsSize +save_r13 equ rsp + 64 - LocalVarsSize +;save_r14 equ rsp + 72 - LocalVarsSize +;save_r15 equ rsp + 80 - LocalVarsSize + + + +; all the +4 offsets are due to the addition of pending_buf_size (in zlib +; in the deflate_state structure since the asm code was first written +; (if you compile with zlib 1.0.4 or older, remove the +4). +; Note : these value are good with a 8 bytes boundary pack structure + + + MAX_MATCH equ 258 + MIN_MATCH equ 3 + MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1) + + +;;; Offsets for fields in the deflate_state structure. These numbers +;;; are calculated from the definition of deflate_state, with the +;;; assumption that the compiler will dword-align the fields. (Thus, +;;; changing the definition of deflate_state could easily cause this +;;; program to crash horribly, without so much as a warning at +;;; compile time. Sigh.) + +; all the +zlib1222add offsets are due to the addition of fields +; in zlib in the deflate_state structure since the asm code was first written +; (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)"). +; (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0"). +; if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8"). + +zlib1222add equ 8 + +dsWSize equ 56+zlib1222add+(zlib1222add/2) +dsWMask equ 64+zlib1222add+(zlib1222add/2) +dsWindow equ 72+zlib1222add +dsPrev equ 88+zlib1222add +dsMatchLen equ 128+zlib1222add +dsPrevMatch equ 132+zlib1222add +dsStrStart equ 140+zlib1222add +dsMatchStart equ 144+zlib1222add +dsLookahead equ 148+zlib1222add +dsPrevLen equ 152+zlib1222add +dsMaxChainLen equ 156+zlib1222add +dsGoodMatch equ 172+zlib1222add +dsNiceMatch equ 176+zlib1222add + + +; parameter 1 in r8(deflate state s), param 2 in rdx (cur match) + +; see http://weblogs.asp.net/oldnewthing/archive/2004/01/14/58579.aspx and +; http://msdn.microsoft.com/library/en-us/kmarch/hh/kmarch/64bitAMD_8e951dd2-ee77-4728-8702-55ce4b5dd24a.xml.asp +; +; All registers must be preserved across the call, except for +; rax, rcx, rdx, r8, r-9, r10, and r11, which are scratch. + + + +;;; Save registers that the compiler may be using, and adjust esp to +;;; make room for our stack frame. + + +;;; Retrieve the function arguments. r8d will hold cur_match +;;; throughout the entire function. edx will hold the pointer to the +;;; deflate_state structure during the function's setup (before +;;; entering the main loop. + +; parameter 1 in rcx (deflate_state* s), param 2 in edx -> r8 (cur match) + +; this clear high 32 bits of r8, which can be garbage in both r8 and rdx + + + mov [save_rdi],rdi + mov [save_rsi],rsi + mov [save_rbx],rbx + mov [save_rbp],rbp + mov r8d,edx + mov [save_r12],r12 + mov [save_r13],r13 +; mov [save_r14],r14 +; mov [save_r15],r15 + + +;;; uInt wmask = s->w_mask; +;;; unsigned chain_length = s->max_chain_length; +;;; if (s->prev_length >= s->good_match) { +;;; chain_length >>= 2; +;;; } + + mov edi, [rcx + dsPrevLen] + mov esi, [rcx + dsGoodMatch] + mov eax, [rcx + dsWMask] + mov ebx, [rcx + dsMaxChainLen] + cmp edi, esi + jl LastMatchGood + shr ebx, 2 +LastMatchGood: + +;;; chainlen is decremented once beforehand so that the function can +;;; use the sign flag instead of the zero flag for the exit test. +;;; It is then shifted into the high word, to make room for the wmask +;;; value, which it will always accompany. + + dec ebx + shl ebx, 16 + or ebx, eax + mov [chainlenwmask], ebx + +;;; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; + + mov eax, [rcx + dsNiceMatch] + mov r10d, [rcx + dsLookahead] + cmp r10d, eax + cmovnl r10d, eax + mov [nicematch],r10d +LookaheadLess: + +;;; register Bytef *scan = s->window + s->strstart; + + mov r10, [rcx + dsWindow] + mov ebp, [rcx + dsStrStart] + lea r13, [r10 + rbp] + +;;; Determine how many bytes the scan ptr is off from being +;;; dword-aligned. + + mov r9,r13 + neg r13 + and r13,3 + +;;; IPos limit = s->strstart > (IPos)MAX_DIST(s) ? +;;; s->strstart - (IPos)MAX_DIST(s) : NIL; + + mov eax, [rcx + dsWSize] + sub eax, MIN_LOOKAHEAD + xor edi,edi + sub ebp, eax + + mov r11d, [rcx + dsPrevLen] + + cmovng ebp,edi + +;;; int best_len = s->prev_length; + + +;;; Store the sum of s->window + best_len in esi locally, and in esi. + + lea rsi,[r10+r11] + +;;; register ush scan_start = *(ushf*)scan; +;;; register ush scan_end = *(ushf*)(scan+best_len-1); +;;; Posf *prev = s->prev; + + movzx r12d,word ptr [r9] + movzx ebx, word ptr [r9 + r11 - 1] + mov rdi, [rcx + dsPrev] + +;;; Jump into the main loop. + + mov edx, [chainlenwmask] + + cmp bx,word ptr [rsi + r8 - 1] + jz LookupLoopIsZero + +LookupLoop1: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + jbe LeaveNow + sub edx, 00010000h + js LeaveNow + +LoopEntry1: + cmp bx,word ptr [rsi + r8 - 1] + jz LookupLoopIsZero + +LookupLoop2: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + jbe LeaveNow + sub edx, 00010000h + js LeaveNow + +LoopEntry2: + cmp bx,word ptr [rsi + r8 - 1] + jz LookupLoopIsZero + +LookupLoop4: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + jbe LeaveNow + sub edx, 00010000h + js LeaveNow + +LoopEntry4: + + cmp bx,word ptr [rsi + r8 - 1] + jnz LookupLoop1 + jmp LookupLoopIsZero + + +;;; do { +;;; match = s->window + cur_match; +;;; if (*(ushf*)(match+best_len-1) != scan_end || +;;; *(ushf*)match != scan_start) continue; +;;; [...] +;;; } while ((cur_match = prev[cur_match & wmask]) > limit +;;; && --chain_length != 0); +;;; +;;; Here is the inner loop of the function. The function will spend the +;;; majority of its time in this loop, and majority of that time will +;;; be spent in the first ten instructions. +;;; +;;; Within this loop: +;;; ebx = scanend +;;; r8d = curmatch +;;; edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) +;;; esi = windowbestlen - i.e., (window + bestlen) +;;; edi = prev +;;; ebp = limit + +LookupLoop: + and r8d, edx + + movzx r8d, word ptr [rdi + r8*2] + cmp r8d, ebp + jbe LeaveNow + sub edx, 00010000h + js LeaveNow + +LoopEntry: + + cmp bx,word ptr [rsi + r8 - 1] + jnz LookupLoop1 +LookupLoopIsZero: + cmp r12w, word ptr [r10 + r8] + jnz LookupLoop1 + + +;;; Store the current value of chainlen. + mov [chainlenwmask], edx + +;;; Point edi to the string under scrutiny, and esi to the string we +;;; are hoping to match it up with. In actuality, esi and edi are +;;; both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and edx is +;;; initialized to -(MAX_MATCH_8 - scanalign). + + lea rsi,[r8+r10] + mov rdx, 0fffffffffffffef8h; -(MAX_MATCH_8) + lea rsi, [rsi + r13 + 0108h] ;MAX_MATCH_8] + lea rdi, [r9 + r13 + 0108h] ;MAX_MATCH_8] + + prefetcht1 [rsi+rdx] + prefetcht1 [rdi+rdx] +;;; Test the strings for equality, 8 bytes at a time. At the end, +;;; adjust edx so that it is offset to the exact byte that mismatched. +;;; +;;; We already know at this point that the first three bytes of the +;;; strings match each other, and they can be safely passed over before +;;; starting the compare loop. So what this code does is skip over 0-3 +;;; bytes, as much as necessary in order to dword-align the edi +;;; pointer. (esi will still be misaligned three times out of four.) +;;; +;;; It should be confessed that this loop usually does not represent +;;; much of the total running time. Replacing it with a more +;;; straightforward "rep cmpsb" would not drastically degrade +;;; performance. + +;LoopCmps: +; mov eax, [rsi + rdx] +; xor eax, [rdi + rdx] +; jnz LeaveLoopCmps +; mov eax, [rsi + rdx + 4] +; xor eax, [rdi + rdx + 4] +; jnz LeaveLoopCmps4 +; add rdx, 8 +; jnz LoopCmps +; jmp LenMaximum +;LeaveLoopCmps4: add rdx, 4 +;LeaveLoopCmps: test eax, 0000FFFFh +; jnz LenLower +; add rdx, 2 +; shr eax, 16 +;LenLower: sub al, 1 +; adc rdx, 0 + + +LoopCmps: + mov rax, [rsi + rdx] + xor rax, [rdi + rdx] + jnz LeaveLoopCmps + + mov rax, [rsi + rdx + 8] + xor rax, [rdi + rdx + 8] + jnz LeaveLoopCmps8 + + + mov rax, [rsi + rdx + 8+8] + xor rax, [rdi + rdx + 8+8] + jnz LeaveLoopCmps16 + + add rdx,8+8+8 + + jmp short LoopCmps +LeaveLoopCmps16: add rdx,8 +LeaveLoopCmps8: add rdx,8 +LeaveLoopCmps: + + test eax, 0000FFFFh + jnz LenLower + + test eax,0ffffffffh + + jnz LenLower32 + + add rdx,4 + shr rax,32 + or ax,ax + jnz LenLower + +LenLower32: + shr eax,16 + add rdx,2 +LenLower: sub al, 1 + adc rdx, 0 +;;; Calculate the length of the match. If it is longer than MAX_MATCH, +;;; then automatically accept it as the best possible match and leave. + + lea rax, [rdi + rdx] + sub rax, r9 + cmp eax, MAX_MATCH + jge LenMaximum + +;;; If the length of the match is not longer than the best match we +;;; have so far, then forget it and return to the lookup loop. +;/////////////////////////////////// + + cmp eax, r11d + jg LongerMatch + + lea rsi,[r10+r11] + + mov rdi, [rcx + dsPrev] + mov edx, [chainlenwmask] + jmp LookupLoop + +;;; s->match_start = cur_match; +;;; best_len = len; +;;; if (len >= nice_match) break; +;;; scan_end = *(ushf*)(scan+best_len-1); + +LongerMatch: + mov r11d, eax + mov [rcx + dsMatchStart], r8d + cmp eax, [nicematch] + jge LeaveNow + + lea rsi,[r10+rax] + + movzx ebx, word ptr [r9 + rax - 1] + mov rdi, [rcx + dsPrev] + mov edx, [chainlenwmask] + jmp LookupLoop + +;;; Accept the current string, with the maximum possible length. + +LenMaximum: + mov r11d,MAX_MATCH + mov [rcx + dsMatchStart], r8d + +;;; if ((uInt)best_len <= s->lookahead) return (uInt)best_len; +;;; return s->lookahead; + +LeaveNow: + mov eax, [rcx + dsLookahead] + cmp r11d, eax + cmovng eax, r11d + + +;;; Restore the stack and return from whence we came. + + + mov rsi,[save_rsi] + mov rdi,[save_rdi] + mov rbx,[save_rbx] + mov rbp,[save_rbp] + mov r12,[save_r12] + mov r13,[save_r13] +; mov r14,[save_r14] +; mov r15,[save_r15] + + + ret 0 +; please don't remove this string ! +; Your can freely use gvmat32 in any free or commercial app if you don't remove the string in the binary! + db 0dh,0ah,"asm686 with masm, optimised assembly code from Brian Raiter, written 1998, converted to amd 64 by Gilles Vollant 2005",0dh,0ah,0 +longest_match ENDP + +match_init PROC + ret 0 +match_init ENDP + + +END diff --git a/contrib/masmx64/gvmat64.obj b/contrib/masmx64/gvmat64.obj new file mode 100644 index 0000000..10a73fe Binary files /dev/null and b/contrib/masmx64/gvmat64.obj differ diff --git a/contrib/masmx64/inffas8664.c b/contrib/masmx64/inffas8664.c new file mode 100644 index 0000000..3af764d --- /dev/null +++ b/contrib/masmx64/inffas8664.c @@ -0,0 +1,186 @@ +/* inffas8664.c is a hand tuned assembler version of inffast.c - fast decoding + * version for AMD64 on Windows using Microsoft C compiler + * + * Copyright (C) 1995-2003 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * + * Copyright (C) 2003 Chris Anderson + * Please use the copyright conditions above. + * + * 2005 - Adaptation to Microsoft C Compiler for AMD64 by Gilles Vollant + * + * inffas8664.c call function inffas8664fnc in inffasx64.asm + * inffasx64.asm is automatically convert from AMD64 portion of inffas86.c + * + * Dec-29-2003 -- I added AMD64 inflate asm support. This version is also + * slightly quicker on x86 systems because, instead of using rep movsb to copy + * data, it uses rep movsw, which moves data in 2-byte chunks instead of single + * bytes. I've tested the AMD64 code on a Fedora Core 1 + the x86_64 updates + * from http://fedora.linux.duke.edu/fc1_x86_64 + * which is running on an Athlon 64 3000+ / Gigabyte GA-K8VT800M system with + * 1GB ram. The 64-bit version is about 4% faster than the 32-bit version, + * when decompressing mozilla-source-1.3.tar.gz. + * + * Mar-13-2003 -- Most of this is derived from inffast.S which is derived from + * the gcc -S output of zlib-1.2.0/inffast.c. Zlib-1.2.0 is in beta release at + * the moment. I have successfully compiled and tested this code with gcc2.96, + * gcc3.2, icc5.0, msvc6.0. It is very close to the speed of inffast.S + * compiled with gcc -DNO_MMX, but inffast.S is still faster on the P3 with MMX + * enabled. I will attempt to merge the MMX code into this version. Newer + * versions of this and inffast.S can be found at + * http://www.eetbeetee.com/zlib/ and http://www.charm.net/~christop/zlib/ + * + */ + +#include +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +/* Mark Adler's comments from inffast.c: */ + +/* + Decode literal, length, and distance codes and write out the resulting + literal and match bytes until either not enough input or output is + available, an end-of-block is encountered, or a data error is encountered. + When large enough input and output buffers are supplied to inflate(), for + example, a 16K input buffer and a 64K output buffer, more than 95% of the + inflate execution time is spent in this routine. + + Entry assumptions: + + state->mode == LEN + strm->avail_in >= 6 + strm->avail_out >= 258 + start >= strm->avail_out + state->bits < 8 + + On return, state->mode is one of: + + LEN -- ran out of enough output space or enough available input + TYPE -- reached end of block code, inflate() to interpret next block + BAD -- error in block data + + Notes: + + - The maximum input bits used by a length/distance pair is 15 bits for the + length code, 5 bits for the length extra, 15 bits for the distance code, + and 13 bits for the distance extra. This totals 48 bits, or six bytes. + Therefore if strm->avail_in >= 6, then there is enough input to avoid + checking for available input while decoding. + + - The maximum bytes that a single length/distance pair can output is 258 + bytes, which is the maximum length that can be coded. inflate_fast() + requires strm->avail_out >= 258 for each loop to avoid checking for + output space. + */ + + + + typedef struct inffast_ar { +/* 64 32 x86 x86_64 */ +/* ar offset register */ +/* 0 0 */ void *esp; /* esp save */ +/* 8 4 */ void *ebp; /* ebp save */ +/* 16 8 */ unsigned char FAR *in; /* esi rsi local strm->next_in */ +/* 24 12 */ unsigned char FAR *last; /* r9 while in < last */ +/* 32 16 */ unsigned char FAR *out; /* edi rdi local strm->next_out */ +/* 40 20 */ unsigned char FAR *beg; /* inflate()'s init next_out */ +/* 48 24 */ unsigned char FAR *end; /* r10 while out < end */ +/* 56 28 */ unsigned char FAR *window;/* size of window, wsize!=0 */ +/* 64 32 */ code const FAR *lcode; /* ebp rbp local strm->lencode */ +/* 72 36 */ code const FAR *dcode; /* r11 local strm->distcode */ +/* 80 40 */ size_t /*unsigned long */hold; /* edx rdx local strm->hold */ +/* 88 44 */ unsigned bits; /* ebx rbx local strm->bits */ +/* 92 48 */ unsigned wsize; /* window size */ +/* 96 52 */ unsigned write; /* window write index */ +/*100 56 */ unsigned lmask; /* r12 mask for lcode */ +/*104 60 */ unsigned dmask; /* r13 mask for dcode */ +/*108 64 */ unsigned len; /* r14 match length */ +/*112 68 */ unsigned dist; /* r15 match distance */ +/*116 72 */ unsigned status; /* set when state chng*/ + } type_ar; +#ifdef ASMINF + +void inflate_fast(strm, start) +z_streamp strm; +unsigned start; /* inflate()'s starting value for strm->avail_out */ +{ + struct inflate_state FAR *state; + type_ar ar; + void inffas8664fnc(struct inffast_ar * par); + + + +#if (defined( __GNUC__ ) && defined( __amd64__ ) && ! defined( __i386 )) || (defined(_MSC_VER) && defined(_M_AMD64)) +#define PAD_AVAIL_IN 6 +#define PAD_AVAIL_OUT 258 +#else +#define PAD_AVAIL_IN 5 +#define PAD_AVAIL_OUT 257 +#endif + + /* copy state to local variables */ + state = (struct inflate_state FAR *)strm->state; + + ar.in = strm->next_in; + ar.last = ar.in + (strm->avail_in - PAD_AVAIL_IN); + ar.out = strm->next_out; + ar.beg = ar.out - (start - strm->avail_out); + ar.end = ar.out + (strm->avail_out - PAD_AVAIL_OUT); + ar.wsize = state->wsize; + ar.write = state->write; + ar.window = state->window; + ar.hold = state->hold; + ar.bits = state->bits; + ar.lcode = state->lencode; + ar.dcode = state->distcode; + ar.lmask = (1U << state->lenbits) - 1; + ar.dmask = (1U << state->distbits) - 1; + + /* decode literals and length/distances until end-of-block or not enough + input data or output space */ + + /* align in on 1/2 hold size boundary */ + while (((size_t)(void *)ar.in & (sizeof(ar.hold) / 2 - 1)) != 0) { + ar.hold += (unsigned long)*ar.in++ << ar.bits; + ar.bits += 8; + } + + inffas8664fnc(&ar); + + if (ar.status > 1) { + if (ar.status == 2) + strm->msg = "invalid literal/length code"; + else if (ar.status == 3) + strm->msg = "invalid distance code"; + else + strm->msg = "invalid distance too far back"; + state->mode = BAD; + } + else if ( ar.status == 1 ) { + state->mode = TYPE; + } + + /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ + ar.len = ar.bits >> 3; + ar.in -= ar.len; + ar.bits -= ar.len << 3; + ar.hold &= (1U << ar.bits) - 1; + + /* update state and return */ + strm->next_in = ar.in; + strm->next_out = ar.out; + strm->avail_in = (unsigned)(ar.in < ar.last ? + PAD_AVAIL_IN + (ar.last - ar.in) : + PAD_AVAIL_IN - (ar.in - ar.last)); + strm->avail_out = (unsigned)(ar.out < ar.end ? + PAD_AVAIL_OUT + (ar.end - ar.out) : + PAD_AVAIL_OUT - (ar.out - ar.end)); + state->hold = (unsigned long)ar.hold; + state->bits = ar.bits; + return; +} + +#endif diff --git a/contrib/masmx64/inffasx64.asm b/contrib/masmx64/inffasx64.asm new file mode 100644 index 0000000..b5d93a2 --- /dev/null +++ b/contrib/masmx64/inffasx64.asm @@ -0,0 +1,392 @@ +; inffasx64.asm is a hand tuned assembler version of inffast.c - fast decoding +; version for AMD64 on Windows using Microsoft C compiler +; +; inffasx64.asm is automatically convert from AMD64 portion of inffas86.c +; inffasx64.asm is called by inffas8664.c, which contain more info. + + +; to compile this file, I use option +; ml64.exe /Flinffasx64 /c /Zi inffasx64.asm +; with Microsoft Macro Assembler (x64) for AMD64 +; +; ml64.exe is given with Visual Studio 2005, Windows 2003 server DDK +; +; (you can get Windows 2003 server DDK with ml64 and cl.exe for AMD64 from +; http://www.microsoft.com/whdc/devtools/ddk/default.mspx for low price) +; + +.code +inffas8664fnc PROC + +; see http://weblogs.asp.net/oldnewthing/archive/2004/01/14/58579.aspx and +; http://msdn.microsoft.com/library/en-us/kmarch/hh/kmarch/64bitAMD_8e951dd2-ee77-4728-8702-55ce4b5dd24a.xml.asp +; +; All registers must be preserved across the call, except for +; rax, rcx, rdx, r8, r-9, r10, and r11, which are scratch. + + + mov [rsp-8],rsi + mov [rsp-16],rdi + mov [rsp-24],r12 + mov [rsp-32],r13 + mov [rsp-40],r14 + mov [rsp-48],r15 + mov [rsp-56],rbx + + mov rax,rcx + + mov [rax+8], rbp ; /* save regs rbp and rsp */ + mov [rax], rsp + + mov rsp, rax ; /* make rsp point to &ar */ + + mov rsi, [rsp+16] ; /* rsi = in */ + mov rdi, [rsp+32] ; /* rdi = out */ + mov r9, [rsp+24] ; /* r9 = last */ + mov r10, [rsp+48] ; /* r10 = end */ + mov rbp, [rsp+64] ; /* rbp = lcode */ + mov r11, [rsp+72] ; /* r11 = dcode */ + mov rdx, [rsp+80] ; /* rdx = hold */ + mov ebx, [rsp+88] ; /* ebx = bits */ + mov r12d, [rsp+100] ; /* r12d = lmask */ + mov r13d, [rsp+104] ; /* r13d = dmask */ + ; /* r14d = len */ + ; /* r15d = dist */ + + + cld + cmp r10, rdi + je L_one_time ; /* if only one decode left */ + cmp r9, rsi + + jne L_do_loop + + +L_one_time: + mov r8, r12 ; /* r8 = lmask */ + cmp bl, 32 + ja L_get_length_code_one_time + + lodsd ; /* eax = *(uint *)in++ */ + mov cl, bl ; /* cl = bits, needs it for shifting */ + add bl, 32 ; /* bits += 32 */ + shl rax, cl + or rdx, rax ; /* hold |= *((uint *)in)++ << bits */ + jmp L_get_length_code_one_time + +ALIGN 4 +L_while_test: + cmp r10, rdi + jbe L_break_loop + cmp r9, rsi + jbe L_break_loop + +L_do_loop: + mov r8, r12 ; /* r8 = lmask */ + cmp bl, 32 + ja L_get_length_code ; /* if (32 < bits) */ + + lodsd ; /* eax = *(uint *)in++ */ + mov cl, bl ; /* cl = bits, needs it for shifting */ + add bl, 32 ; /* bits += 32 */ + shl rax, cl + or rdx, rax ; /* hold |= *((uint *)in)++ << bits */ + +L_get_length_code: + and r8, rdx ; /* r8 &= hold */ + mov eax, [rbp+r8*4] ; /* eax = lcode[hold & lmask] */ + + mov cl, ah ; /* cl = this.bits */ + sub bl, ah ; /* bits -= this.bits */ + shr rdx, cl ; /* hold >>= this.bits */ + + test al, al + jnz L_test_for_length_base ; /* if (op != 0) 45.7% */ + + mov r8, r12 ; /* r8 = lmask */ + shr eax, 16 ; /* output this.val char */ + stosb + +L_get_length_code_one_time: + and r8, rdx ; /* r8 &= hold */ + mov eax, [rbp+r8*4] ; /* eax = lcode[hold & lmask] */ + +L_dolen: + mov cl, ah ; /* cl = this.bits */ + sub bl, ah ; /* bits -= this.bits */ + shr rdx, cl ; /* hold >>= this.bits */ + + test al, al + jnz L_test_for_length_base ; /* if (op != 0) 45.7% */ + + shr eax, 16 ; /* output this.val char */ + stosb + jmp L_while_test + +ALIGN 4 +L_test_for_length_base: + mov r14d, eax ; /* len = this */ + shr r14d, 16 ; /* len = this.val */ + mov cl, al + + test al, 16 + jz L_test_for_second_level_length ; /* if ((op & 16) == 0) 8% */ + and cl, 15 ; /* op &= 15 */ + jz L_decode_distance ; /* if (!op) */ + +L_add_bits_to_len: + sub bl, cl + xor eax, eax + inc eax + shl eax, cl + dec eax + and eax, edx ; /* eax &= hold */ + shr rdx, cl + add r14d, eax ; /* len += hold & mask[op] */ + +L_decode_distance: + mov r8, r13 ; /* r8 = dmask */ + cmp bl, 32 + ja L_get_distance_code ; /* if (32 < bits) */ + + lodsd ; /* eax = *(uint *)in++ */ + mov cl, bl ; /* cl = bits, needs it for shifting */ + add bl, 32 ; /* bits += 32 */ + shl rax, cl + or rdx, rax ; /* hold |= *((uint *)in)++ << bits */ + +L_get_distance_code: + and r8, rdx ; /* r8 &= hold */ + mov eax, [r11+r8*4] ; /* eax = dcode[hold & dmask] */ + +L_dodist: + mov r15d, eax ; /* dist = this */ + shr r15d, 16 ; /* dist = this.val */ + mov cl, ah + sub bl, ah ; /* bits -= this.bits */ + shr rdx, cl ; /* hold >>= this.bits */ + mov cl, al ; /* cl = this.op */ + + test al, 16 ; /* if ((op & 16) == 0) */ + jz L_test_for_second_level_dist + and cl, 15 ; /* op &= 15 */ + jz L_check_dist_one + +L_add_bits_to_dist: + sub bl, cl + xor eax, eax + inc eax + shl eax, cl + dec eax ; /* (1 << op) - 1 */ + and eax, edx ; /* eax &= hold */ + shr rdx, cl + add r15d, eax ; /* dist += hold & ((1 << op) - 1) */ + +L_check_window: + mov r8, rsi ; /* save in so from can use it's reg */ + mov rax, rdi + sub rax, [rsp+40] ; /* nbytes = out - beg */ + + cmp eax, r15d + jb L_clip_window ; /* if (dist > nbytes) 4.2% */ + + mov ecx, r14d ; /* ecx = len */ + mov rsi, rdi + sub rsi, r15 ; /* from = out - dist */ + + sar ecx, 1 + jnc L_copy_two ; /* if len % 2 == 0 */ + + rep movsw + mov al, [rsi] + mov [rdi], al + inc rdi + + mov rsi, r8 ; /* move in back to %rsi, toss from */ + jmp L_while_test + +L_copy_two: + rep movsw + mov rsi, r8 ; /* move in back to %rsi, toss from */ + jmp L_while_test + +ALIGN 4 +L_check_dist_one: + cmp r15d, 1 ; /* if dist 1, is a memset */ + jne L_check_window + cmp [rsp+40], rdi ; /* if out == beg, outside window */ + je L_check_window + + mov ecx, r14d ; /* ecx = len */ + mov al, [rdi-1] + mov ah, al + + sar ecx, 1 + jnc L_set_two + mov [rdi], al + inc rdi + +L_set_two: + rep stosw + jmp L_while_test + +ALIGN 4 +L_test_for_second_level_length: + test al, 64 + jnz L_test_for_end_of_block ; /* if ((op & 64) != 0) */ + + xor eax, eax + inc eax + shl eax, cl + dec eax + and eax, edx ; /* eax &= hold */ + add eax, r14d ; /* eax += len */ + mov eax, [rbp+rax*4] ; /* eax = lcode[val+(hold&mask[op])]*/ + jmp L_dolen + +ALIGN 4 +L_test_for_second_level_dist: + test al, 64 + jnz L_invalid_distance_code ; /* if ((op & 64) != 0) */ + + xor eax, eax + inc eax + shl eax, cl + dec eax + and eax, edx ; /* eax &= hold */ + add eax, r15d ; /* eax += dist */ + mov eax, [r11+rax*4] ; /* eax = dcode[val+(hold&mask[op])]*/ + jmp L_dodist + +ALIGN 4 +L_clip_window: + mov ecx, eax ; /* ecx = nbytes */ + mov eax, [rsp+92] ; /* eax = wsize, prepare for dist cmp */ + neg ecx ; /* nbytes = -nbytes */ + + cmp eax, r15d + jb L_invalid_distance_too_far ; /* if (dist > wsize) */ + + add ecx, r15d ; /* nbytes = dist - nbytes */ + cmp dword ptr [rsp+96], 0 + jne L_wrap_around_window ; /* if (write != 0) */ + + mov rsi, [rsp+56] ; /* from = window */ + sub eax, ecx ; /* eax -= nbytes */ + add rsi, rax ; /* from += wsize - nbytes */ + + mov eax, r14d ; /* eax = len */ + cmp r14d, ecx + jbe L_do_copy ; /* if (nbytes >= len) */ + + sub eax, ecx ; /* eax -= nbytes */ + rep movsb + mov rsi, rdi + sub rsi, r15 ; /* from = &out[ -dist ] */ + jmp L_do_copy + +ALIGN 4 +L_wrap_around_window: + mov eax, [rsp+96] ; /* eax = write */ + cmp ecx, eax + jbe L_contiguous_in_window ; /* if (write >= nbytes) */ + + mov esi, [rsp+92] ; /* from = wsize */ + add rsi, [rsp+56] ; /* from += window */ + add rsi, rax ; /* from += write */ + sub rsi, rcx ; /* from -= nbytes */ + sub ecx, eax ; /* nbytes -= write */ + + mov eax, r14d ; /* eax = len */ + cmp eax, ecx + jbe L_do_copy ; /* if (nbytes >= len) */ + + sub eax, ecx ; /* len -= nbytes */ + rep movsb + mov rsi, [rsp+56] ; /* from = window */ + mov ecx, [rsp+96] ; /* nbytes = write */ + cmp eax, ecx + jbe L_do_copy ; /* if (nbytes >= len) */ + + sub eax, ecx ; /* len -= nbytes */ + rep movsb + mov rsi, rdi + sub rsi, r15 ; /* from = out - dist */ + jmp L_do_copy + +ALIGN 4 +L_contiguous_in_window: + mov rsi, [rsp+56] ; /* rsi = window */ + add rsi, rax + sub rsi, rcx ; /* from += write - nbytes */ + + mov eax, r14d ; /* eax = len */ + cmp eax, ecx + jbe L_do_copy ; /* if (nbytes >= len) */ + + sub eax, ecx ; /* len -= nbytes */ + rep movsb + mov rsi, rdi + sub rsi, r15 ; /* from = out - dist */ + jmp L_do_copy ; /* if (nbytes >= len) */ + +ALIGN 4 +L_do_copy: + mov ecx, eax ; /* ecx = len */ + rep movsb + + mov rsi, r8 ; /* move in back to %esi, toss from */ + jmp L_while_test + +L_test_for_end_of_block: + test al, 32 + jz L_invalid_literal_length_code + mov dword ptr [rsp+116], 1 + jmp L_break_loop_with_status + +L_invalid_literal_length_code: + mov dword ptr [rsp+116], 2 + jmp L_break_loop_with_status + +L_invalid_distance_code: + mov dword ptr [rsp+116], 3 + jmp L_break_loop_with_status + +L_invalid_distance_too_far: + mov dword ptr [rsp+116], 4 + jmp L_break_loop_with_status + +L_break_loop: + mov dword ptr [rsp+116], 0 + +L_break_loop_with_status: +; /* put in, out, bits, and hold back into ar and pop esp */ + mov [rsp+16], rsi ; /* in */ + mov [rsp+32], rdi ; /* out */ + mov [rsp+88], ebx ; /* bits */ + mov [rsp+80], rdx ; /* hold */ + + mov rax, [rsp] ; /* restore rbp and rsp */ + mov rbp, [rsp+8] + mov rsp, rax + + + + mov rsi,[rsp-8] + mov rdi,[rsp-16] + mov r12,[rsp-24] + mov r13,[rsp-32] + mov r14,[rsp-40] + mov r15,[rsp-48] + mov rbx,[rsp-56] + + ret 0 +; : +; : "m" (ar) +; : "memory", "%rax", "%rbx", "%rcx", "%rdx", "%rsi", "%rdi", +; "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" +; ); + +inffas8664fnc ENDP +;_TEXT ENDS +END diff --git a/contrib/masmx64/inffasx64.obj b/contrib/masmx64/inffasx64.obj new file mode 100644 index 0000000..8df5d82 Binary files /dev/null and b/contrib/masmx64/inffasx64.obj differ diff --git a/contrib/masmx64/readme.txt b/contrib/masmx64/readme.txt new file mode 100644 index 0000000..ee03115 --- /dev/null +++ b/contrib/masmx64/readme.txt @@ -0,0 +1,28 @@ +Summary +------- +This directory contains ASM implementations of the functions +longest_match() and inflate_fast(), for 64 bits x86 (both AMD64 and Intel EM64t), +for use with Microsoft Macro Assembler (x64) for AMD64 and Microsoft C++ 64 bits. + +gvmat64.asm is written by Gilles Vollant (2005), by using Brian Raiter 686/32 bits + assembly optimized version from Jean-loup Gailly original longest_match function + +inffasx64.asm and inffas8664.c were written by Chris Anderson, by optimizing + original function from Mark Adler + +Use instructions +---------------- +Copy these files into the zlib source directory. + +define ASMV and ASMINF in your project. Include inffas8664.c in your source tree, +and inffasx64.obj and gvmat64.obj as object to link. + + +Build instructions +------------------ +run bld_64.bat with Microsoft Macro Assembler (x64) for AMD64 (ml64.exe) + +ml64.exe is given with Visual Studio 2005, Windows 2003 server DDK + +You can get Windows 2003 server DDK with ml64 and cl for AMD64 from + http://www.microsoft.com/whdc/devtools/ddk/default.mspx for low price) diff --git a/contrib/masmx86/bld_ml32.bat b/contrib/masmx86/bld_ml32.bat new file mode 100644 index 0000000..99144d0 --- /dev/null +++ b/contrib/masmx86/bld_ml32.bat @@ -0,0 +1,2 @@ +ml /coff /Zi /c /Flgvmat32.lst gvmat32.asm +ml /coff /Zi /c /Flinffas32.lst inffas32.asm diff --git a/contrib/masmx86/gvmat32.asm b/contrib/masmx86/gvmat32.asm index e841a7f..874bb2d 100644 --- a/contrib/masmx86/gvmat32.asm +++ b/contrib/masmx86/gvmat32.asm @@ -1,909 +1,972 @@ -; -; gvmat32.asm -- Asm portion of the optimized longest_match for 32 bits x86 -; Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant. -; File written by Gilles Vollant, by modifiying the longest_match -; from Jean-loup Gailly in deflate.c -; It need wmask == 0x7fff -; (assembly code is faster with a fixed wmask) -; -; For Visual C++ 4.2 and ML 6.11c (version in directory \MASM611C of Win95 DDK) -; I compile with : "ml /coff /Zi /c gvmat32.asm" -; - -;uInt longest_match_7fff(s, cur_match) -; deflate_state *s; -; IPos cur_match; /* current match */ - - NbStack equ 76 - cur_match equ dword ptr[esp+NbStack-0] - str_s equ dword ptr[esp+NbStack-4] -; 5 dword on top (ret,ebp,esi,edi,ebx) - adrret equ dword ptr[esp+NbStack-8] - pushebp equ dword ptr[esp+NbStack-12] - pushedi equ dword ptr[esp+NbStack-16] - pushesi equ dword ptr[esp+NbStack-20] - pushebx equ dword ptr[esp+NbStack-24] - - chain_length equ dword ptr [esp+NbStack-28] - limit equ dword ptr [esp+NbStack-32] - best_len equ dword ptr [esp+NbStack-36] - window equ dword ptr [esp+NbStack-40] - prev equ dword ptr [esp+NbStack-44] - scan_start equ word ptr [esp+NbStack-48] - wmask equ dword ptr [esp+NbStack-52] - match_start_ptr equ dword ptr [esp+NbStack-56] - nice_match equ dword ptr [esp+NbStack-60] - scan equ dword ptr [esp+NbStack-64] - - windowlen equ dword ptr [esp+NbStack-68] - match_start equ dword ptr [esp+NbStack-72] - strend equ dword ptr [esp+NbStack-76] - NbStackAdd equ (NbStack-24) - - .386p - - name gvmatch - .MODEL FLAT - - - -; all the +addstr offsets are due to the addition of pending_buf_size in zlib 1.04 -; and adding gzhead and gzindex in zlib 1.2.2.1 -; in the deflate_state structure since the asm code was first written -; (if you compile with zlib 1.0.4 or older, set addstr to 0). -; (if you compiler with zlib between 1.04 and 1.2.1, set addstr to 4) -; Note : these value are good with a 8 bytes boundary pack structure - - addstr equ 4+8 - dep_chain_length equ 70h+addstr - dep_window equ 2ch+addstr - dep_strstart equ 60h+addstr - dep_prev_length equ 6ch+addstr - dep_nice_match equ 84h+addstr - dep_w_size equ 20h+addstr - dep_prev equ 34h+addstr - dep_w_mask equ 28h+addstr - dep_good_match equ 80h+addstr - dep_match_start equ 64h+addstr - dep_lookahead equ 68h+addstr - - -_TEXT segment - -IFDEF NOUNDERLINE - public longest_match_7fff - public longest_match_686 -; public match_init -ELSE - public _longest_match_7fff - public _longest_match_686 -; public _match_init -ENDIF - - MAX_MATCH equ 258 - MIN_MATCH equ 3 - MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1) - - - -IFDEF NOUNDERLINE -;match_init proc near -; ret -;match_init endp -ELSE -;_match_init proc near -; ret -;_match_init endp -ENDIF - - -IFDEF NOUNDERLINE -longest_match_7fff proc near -ELSE -_longest_match_7fff proc near -ENDIF - - mov edx,[esp+4] - - - - push ebp - push edi - push esi - push ebx - - sub esp,NbStackAdd - -; initialize or check the variables used in match.asm. - mov ebp,edx - -; chain_length = s->max_chain_length -; if (prev_length>=good_match) chain_length >>= 2 - mov edx,[ebp+dep_chain_length] - mov ebx,[ebp+dep_prev_length] - cmp [ebp+dep_good_match],ebx - ja noshr - shr edx,2 -noshr: -; we increment chain_length because in the asm, the --chain_lenght is in the beginning of the loop - inc edx - mov edi,[ebp+dep_nice_match] - mov chain_length,edx - mov eax,[ebp+dep_lookahead] - cmp eax,edi -; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; - jae nolookaheadnicematch - mov edi,eax -nolookaheadnicematch: -; best_len = s->prev_length - mov best_len,ebx - -; window = s->window - mov esi,[ebp+dep_window] - mov ecx,[ebp+dep_strstart] - mov window,esi - - mov nice_match,edi -; scan = window + strstart - add esi,ecx - mov scan,esi -; dx = *window - mov dx,word ptr [esi] -; bx = *(window+best_len-1) - mov bx,word ptr [esi+ebx-1] - add esi,MAX_MATCH-1 -; scan_start = *scan - mov scan_start,dx -; strend = scan + MAX_MATCH-1 - mov strend,esi -; bx = scan_end = *(window+best_len-1) - -; IPos limit = s->strstart > (IPos)MAX_DIST(s) ? -; s->strstart - (IPos)MAX_DIST(s) : NIL; - - mov esi,[ebp+dep_w_size] - sub esi,MIN_LOOKAHEAD -; here esi = MAX_DIST(s) - sub ecx,esi - ja nodist - xor ecx,ecx -nodist: - mov limit,ecx - -; prev = s->prev - mov edx,[ebp+dep_prev] - mov prev,edx - -; - mov edx,dword ptr [ebp+dep_match_start] - mov bp,scan_start - mov eax,cur_match - mov match_start,edx - - mov edx,window - mov edi,edx - add edi,best_len - mov esi,prev - dec edi -; windowlen = window + best_len -1 - mov windowlen,edi - - jmp beginloop2 - align 4 - -; here, in the loop -; eax = ax = cur_match -; ecx = limit -; bx = scan_end -; bp = scan_start -; edi = windowlen (window + best_len -1) -; esi = prev - - -;// here; chain_length <=16 -normalbeg0add16: - add chain_length,16 - jz exitloop -normalbeg0: - cmp word ptr[edi+eax],bx - je normalbeg2noroll -rcontlabnoroll: -; cur_match = prev[cur_match & wmask] - and eax,7fffh - mov ax,word ptr[esi+eax*2] -; if cur_match > limit, go to exitloop - cmp ecx,eax - jnb exitloop -; if --chain_length != 0, go to exitloop - dec chain_length - jnz normalbeg0 - jmp exitloop - -normalbeg2noroll: -; if (scan_start==*(cur_match+window)) goto normalbeg2 - cmp bp,word ptr[edx+eax] - jne rcontlabnoroll - jmp normalbeg2 - -contloop3: - mov edi,windowlen - -; cur_match = prev[cur_match & wmask] - and eax,7fffh - mov ax,word ptr[esi+eax*2] -; if cur_match > limit, go to exitloop - cmp ecx,eax -jnbexitloopshort1: - jnb exitloop -; if --chain_length != 0, go to exitloop - - -; begin the main loop -beginloop2: - sub chain_length,16+1 -; if chain_length <=16, don't use the unrolled loop - jna normalbeg0add16 - -do16: - cmp word ptr[edi+eax],bx - je normalbeg2dc0 - -maccn MACRO lab - and eax,7fffh - mov ax,word ptr[esi+eax*2] - cmp ecx,eax - jnb exitloop - cmp word ptr[edi+eax],bx - je lab - ENDM - -rcontloop0: - maccn normalbeg2dc1 - -rcontloop1: - maccn normalbeg2dc2 - -rcontloop2: - maccn normalbeg2dc3 - -rcontloop3: - maccn normalbeg2dc4 - -rcontloop4: - maccn normalbeg2dc5 - -rcontloop5: - maccn normalbeg2dc6 - -rcontloop6: - maccn normalbeg2dc7 - -rcontloop7: - maccn normalbeg2dc8 - -rcontloop8: - maccn normalbeg2dc9 - -rcontloop9: - maccn normalbeg2dc10 - -rcontloop10: - maccn short normalbeg2dc11 - -rcontloop11: - maccn short normalbeg2dc12 - -rcontloop12: - maccn short normalbeg2dc13 - -rcontloop13: - maccn short normalbeg2dc14 - -rcontloop14: - maccn short normalbeg2dc15 - -rcontloop15: - and eax,7fffh - mov ax,word ptr[esi+eax*2] - cmp ecx,eax - jnb exitloop - - sub chain_length,16 - ja do16 - jmp normalbeg0add16 - -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; - -normbeg MACRO rcontlab,valsub -; if we are here, we know that *(match+best_len-1) == scan_end - cmp bp,word ptr[edx+eax] -; if (match != scan_start) goto rcontlab - jne rcontlab -; calculate the good chain_length, and we'll compare scan and match string - add chain_length,16-valsub - jmp iseq - ENDM - - -normalbeg2dc11: - normbeg rcontloop11,11 - -normalbeg2dc12: - normbeg short rcontloop12,12 - -normalbeg2dc13: - normbeg short rcontloop13,13 - -normalbeg2dc14: - normbeg short rcontloop14,14 - -normalbeg2dc15: - normbeg short rcontloop15,15 - -normalbeg2dc10: - normbeg rcontloop10,10 - -normalbeg2dc9: - normbeg rcontloop9,9 - -normalbeg2dc8: - normbeg rcontloop8,8 - -normalbeg2dc7: - normbeg rcontloop7,7 - -normalbeg2dc6: - normbeg rcontloop6,6 - -normalbeg2dc5: - normbeg rcontloop5,5 - -normalbeg2dc4: - normbeg rcontloop4,4 - -normalbeg2dc3: - normbeg rcontloop3,3 - -normalbeg2dc2: - normbeg rcontloop2,2 - -normalbeg2dc1: - normbeg rcontloop1,1 - -normalbeg2dc0: - normbeg rcontloop0,0 - - -; we go in normalbeg2 because *(ushf*)(match+best_len-1) == scan_end - -normalbeg2: - mov edi,window - - cmp bp,word ptr[edi+eax] - jne contloop3 ; if *(ushf*)match != scan_start, continue - -iseq: -; if we are here, we know that *(match+best_len-1) == scan_end -; and (match == scan_start) - - mov edi,edx - mov esi,scan ; esi = scan - add edi,eax ; edi = window + cur_match = match - - mov edx,[esi+3] ; compare manually dword at match+3 - xor edx,[edi+3] ; and scan +3 - - jz begincompare ; if equal, go to long compare - -; we will determine the unmatch byte and calculate len (in esi) - or dl,dl - je eq1rr - mov esi,3 - jmp trfinval -eq1rr: - or dx,dx - je eq1 - - mov esi,4 - jmp trfinval -eq1: - and edx,0ffffffh - jz eq11 - mov esi,5 - jmp trfinval -eq11: - mov esi,6 - jmp trfinval - -begincompare: - ; here we now scan and match begin same - add edi,6 - add esi,6 - mov ecx,(MAX_MATCH-(2+4))/4 ; scan for at most MAX_MATCH bytes - repe cmpsd ; loop until mismatch - - je trfin ; go to trfin if not unmatch -; we determine the unmatch byte - sub esi,4 - mov edx,[edi-4] - xor edx,[esi] - - or dl,dl - jnz trfin - inc esi - - or dx,dx - jnz trfin - inc esi - - and edx,0ffffffh - jnz trfin - inc esi - -trfin: - sub esi,scan ; esi = len -trfinval: -; here we have finised compare, and esi contain len of equal string - cmp esi,best_len ; if len > best_len, go newbestlen - ja short newbestlen -; now we restore edx, ecx and esi, for the big loop - mov esi,prev - mov ecx,limit - mov edx,window - jmp contloop3 - -newbestlen: - mov best_len,esi ; len become best_len - - mov match_start,eax ; save new position as match_start - cmp esi,nice_match ; if best_len >= nice_match, exit - jae exitloop - mov ecx,scan - mov edx,window ; restore edx=window - add ecx,esi - add esi,edx - - dec esi - mov windowlen,esi ; windowlen = window + best_len-1 - mov bx,[ecx-1] ; bx = *(scan+best_len-1) = scan_end - -; now we restore ecx and esi, for the big loop : - mov esi,prev - mov ecx,limit - jmp contloop3 - -exitloop: -; exit : s->match_start=match_start - mov ebx,match_start - mov ebp,str_s - mov ecx,best_len - mov dword ptr [ebp+dep_match_start],ebx - mov eax,dword ptr [ebp+dep_lookahead] - cmp ecx,eax - ja minexlo - mov eax,ecx -minexlo: -; return min(best_len,s->lookahead) - -; restore stack and register ebx,esi,edi,ebp - add esp,NbStackAdd - - pop ebx - pop esi - pop edi - pop ebp - ret -InfoAuthor: -; please don't remove this string ! -; Your are free use gvmat32 in any fre or commercial apps if you don't remove the string in the binary! - db 0dh,0ah,"GVMat32 optimised assembly code written 1996-98 by Gilles Vollant",0dh,0ah - - - -IFDEF NOUNDERLINE -longest_match_7fff endp -ELSE -_longest_match_7fff endp -ENDIF - - -IFDEF NOUNDERLINE -cpudetect32 proc near -ELSE -_cpudetect32 proc near -ENDIF - - push ebx - - pushfd ; push original EFLAGS - pop eax ; get original EFLAGS - mov ecx, eax ; save original EFLAGS - xor eax, 40000h ; flip AC bit in EFLAGS - push eax ; save new EFLAGS value on stack - popfd ; replace current EFLAGS value - pushfd ; get new EFLAGS - pop eax ; store new EFLAGS in EAX - xor eax, ecx ; can’t toggle AC bit, processor=80386 - jz end_cpu_is_386 ; jump if 80386 processor - push ecx - popfd ; restore AC bit in EFLAGS first - - pushfd - pushfd - pop ecx - - mov eax, ecx ; get original EFLAGS - xor eax, 200000h ; flip ID bit in EFLAGS - push eax ; save new EFLAGS value on stack - popfd ; replace current EFLAGS value - pushfd ; get new EFLAGS - pop eax ; store new EFLAGS in EAX - popfd ; restore original EFLAGS - xor eax, ecx ; can’t toggle ID bit, - je is_old_486 ; processor=old - - mov eax,1 - db 0fh,0a2h ;CPUID - -exitcpudetect: - pop ebx - ret - -end_cpu_is_386: - mov eax,0300h - jmp exitcpudetect - -is_old_486: - mov eax,0400h - jmp exitcpudetect - -IFDEF NOUNDERLINE -cpudetect32 endp -ELSE -_cpudetect32 endp -ENDIF - - - - -MAX_MATCH equ 258 -MIN_MATCH equ 3 -MIN_LOOKAHEAD equ (MAX_MATCH + MIN_MATCH + 1) -MAX_MATCH_8_ equ ((MAX_MATCH + 7) AND 0FFF0h) - - -;;; stack frame offsets - -chainlenwmask equ esp + 0 ; high word: current chain len - ; low word: s->wmask -window equ esp + 4 ; local copy of s->window -windowbestlen equ esp + 8 ; s->window + bestlen -scanstart equ esp + 16 ; first two bytes of string -scanend equ esp + 12 ; last two bytes of string -scanalign equ esp + 20 ; dword-misalignment of string -nicematch equ esp + 24 ; a good enough match size -bestlen equ esp + 28 ; size of best match so far -scan equ esp + 32 ; ptr to string wanting match - -LocalVarsSize equ 36 -; saved ebx byte esp + 36 -; saved edi byte esp + 40 -; saved esi byte esp + 44 -; saved ebp byte esp + 48 -; return address byte esp + 52 -deflatestate equ esp + 56 ; the function arguments -curmatch equ esp + 60 - -;;; Offsets for fields in the deflate_state structure. These numbers -;;; are calculated from the definition of deflate_state, with the -;;; assumption that the compiler will dword-align the fields. (Thus, -;;; changing the definition of deflate_state could easily cause this -;;; program to crash horribly, without so much as a warning at -;;; compile time. Sigh.) - -dsWSize equ 36+addstr-4 -dsWMask equ 44+addstr-4 -dsWindow equ 48+addstr-4 -dsPrev equ 56+addstr-4 -dsMatchLen equ 88+addstr-4 -dsPrevMatch equ 92+addstr-4 -dsStrStart equ 100+addstr-4 -dsMatchStart equ 104+addstr-4 -dsLookahead equ 108+addstr-4 -dsPrevLen equ 112+addstr-4 -dsMaxChainLen equ 116+addstr-4 -dsGoodMatch equ 132+addstr-4 -dsNiceMatch equ 136+addstr-4 - - -;;; match.asm -- Pentium-Pro-optimized version of longest_match() -;;; Written for zlib 1.1.2 -;;; Copyright (C) 1998 Brian Raiter -;;; You can look at http://www.muppetlabs.com/~breadbox/software/assembly.html -;;; -;;; This is free software; you can redistribute it and/or modify it -;;; under the terms of the GNU General Public License. - -;GLOBAL _longest_match, _match_init - - -;SECTION .text - -;;; uInt longest_match(deflate_state *deflatestate, IPos curmatch) - -;_longest_match: -IFDEF NOUNDERLINE -longest_match_686 proc near -ELSE -_longest_match_686 proc near -ENDIF - - -;;; Save registers that the compiler may be using, and adjust esp to -;;; make room for our stack frame. - - push ebp - push edi - push esi - push ebx - sub esp, LocalVarsSize - -;;; Retrieve the function arguments. ecx will hold cur_match -;;; throughout the entire function. edx will hold the pointer to the -;;; deflate_state structure during the function's setup (before -;;; entering the main loop. - - mov edx, [deflatestate] - mov ecx, [curmatch] - -;;; uInt wmask = s->w_mask; -;;; unsigned chain_length = s->max_chain_length; -;;; if (s->prev_length >= s->good_match) { -;;; chain_length >>= 2; -;;; } - - mov eax, [edx + dsPrevLen] - mov ebx, [edx + dsGoodMatch] - cmp eax, ebx - mov eax, [edx + dsWMask] - mov ebx, [edx + dsMaxChainLen] - jl LastMatchGood - shr ebx, 2 -LastMatchGood: - -;;; chainlen is decremented once beforehand so that the function can -;;; use the sign flag instead of the zero flag for the exit test. -;;; It is then shifted into the high word, to make room for the wmask -;;; value, which it will always accompany. - - dec ebx - shl ebx, 16 - or ebx, eax - mov [chainlenwmask], ebx - -;;; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; - - mov eax, [edx + dsNiceMatch] - mov ebx, [edx + dsLookahead] - cmp ebx, eax - jl LookaheadLess - mov ebx, eax -LookaheadLess: mov [nicematch], ebx - -;;; register Bytef *scan = s->window + s->strstart; - - mov esi, [edx + dsWindow] - mov [window], esi - mov ebp, [edx + dsStrStart] - lea edi, [esi + ebp] - mov [scan], edi - -;;; Determine how many bytes the scan ptr is off from being -;;; dword-aligned. - - mov eax, edi - neg eax - and eax, 3 - mov [scanalign], eax - -;;; IPos limit = s->strstart > (IPos)MAX_DIST(s) ? -;;; s->strstart - (IPos)MAX_DIST(s) : NIL; - - mov eax, [edx + dsWSize] - sub eax, MIN_LOOKAHEAD - sub ebp, eax - jg LimitPositive - xor ebp, ebp -LimitPositive: - -;;; int best_len = s->prev_length; - - mov eax, [edx + dsPrevLen] - mov [bestlen], eax - -;;; Store the sum of s->window + best_len in esi locally, and in esi. - - add esi, eax - mov [windowbestlen], esi - -;;; register ush scan_start = *(ushf*)scan; -;;; register ush scan_end = *(ushf*)(scan+best_len-1); -;;; Posf *prev = s->prev; - - movzx ebx, word ptr [edi] - mov [scanstart], ebx - movzx ebx, word ptr [edi + eax - 1] - mov [scanend], ebx - mov edi, [edx + dsPrev] - -;;; Jump into the main loop. - - mov edx, [chainlenwmask] - jmp short LoopEntry - -align 4 - -;;; do { -;;; match = s->window + cur_match; -;;; if (*(ushf*)(match+best_len-1) != scan_end || -;;; *(ushf*)match != scan_start) continue; -;;; [...] -;;; } while ((cur_match = prev[cur_match & wmask]) > limit -;;; && --chain_length != 0); -;;; -;;; Here is the inner loop of the function. The function will spend the -;;; majority of its time in this loop, and majority of that time will -;;; be spent in the first ten instructions. -;;; -;;; Within this loop: -;;; ebx = scanend -;;; ecx = curmatch -;;; edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) -;;; esi = windowbestlen - i.e., (window + bestlen) -;;; edi = prev -;;; ebp = limit - -LookupLoop: - and ecx, edx - movzx ecx, word ptr [edi + ecx*2] - cmp ecx, ebp - jbe LeaveNow - sub edx, 00010000h - js LeaveNow -LoopEntry: movzx eax, word ptr [esi + ecx - 1] - cmp eax, ebx - jnz LookupLoop - mov eax, [window] - movzx eax, word ptr [eax + ecx] - cmp eax, [scanstart] - jnz LookupLoop - -;;; Store the current value of chainlen. - - mov [chainlenwmask], edx - -;;; Point edi to the string under scrutiny, and esi to the string we -;;; are hoping to match it up with. In actuality, esi and edi are -;;; both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and edx is -;;; initialized to -(MAX_MATCH_8 - scanalign). - - mov esi, [window] - mov edi, [scan] - add esi, ecx - mov eax, [scanalign] - mov edx, 0fffffef8h; -(MAX_MATCH_8) - lea edi, [edi + eax + 0108h] ;MAX_MATCH_8] - lea esi, [esi + eax + 0108h] ;MAX_MATCH_8] - -;;; Test the strings for equality, 8 bytes at a time. At the end, -;;; adjust edx so that it is offset to the exact byte that mismatched. -;;; -;;; We already know at this point that the first three bytes of the -;;; strings match each other, and they can be safely passed over before -;;; starting the compare loop. So what this code does is skip over 0-3 -;;; bytes, as much as necessary in order to dword-align the edi -;;; pointer. (esi will still be misaligned three times out of four.) -;;; -;;; It should be confessed that this loop usually does not represent -;;; much of the total running time. Replacing it with a more -;;; straightforward "rep cmpsb" would not drastically degrade -;;; performance. - -LoopCmps: - mov eax, [esi + edx] - xor eax, [edi + edx] - jnz LeaveLoopCmps - mov eax, [esi + edx + 4] - xor eax, [edi + edx + 4] - jnz LeaveLoopCmps4 - add edx, 8 - jnz LoopCmps - jmp short LenMaximum -LeaveLoopCmps4: add edx, 4 -LeaveLoopCmps: test eax, 0000FFFFh - jnz LenLower - add edx, 2 - shr eax, 16 -LenLower: sub al, 1 - adc edx, 0 - -;;; Calculate the length of the match. If it is longer than MAX_MATCH, -;;; then automatically accept it as the best possible match and leave. - - lea eax, [edi + edx] - mov edi, [scan] - sub eax, edi - cmp eax, MAX_MATCH - jge LenMaximum - -;;; If the length of the match is not longer than the best match we -;;; have so far, then forget it and return to the lookup loop. - - mov edx, [deflatestate] - mov ebx, [bestlen] - cmp eax, ebx - jg LongerMatch - mov esi, [windowbestlen] - mov edi, [edx + dsPrev] - mov ebx, [scanend] - mov edx, [chainlenwmask] - jmp LookupLoop - -;;; s->match_start = cur_match; -;;; best_len = len; -;;; if (len >= nice_match) break; -;;; scan_end = *(ushf*)(scan+best_len-1); - -LongerMatch: mov ebx, [nicematch] - mov [bestlen], eax - mov [edx + dsMatchStart], ecx - cmp eax, ebx - jge LeaveNow - mov esi, [window] - add esi, eax - mov [windowbestlen], esi - movzx ebx, word ptr [edi + eax - 1] - mov edi, [edx + dsPrev] - mov [scanend], ebx - mov edx, [chainlenwmask] - jmp LookupLoop - -;;; Accept the current string, with the maximum possible length. - -LenMaximum: mov edx, [deflatestate] - mov dword ptr [bestlen], MAX_MATCH - mov [edx + dsMatchStart], ecx - -;;; if ((uInt)best_len <= s->lookahead) return (uInt)best_len; -;;; return s->lookahead; - -LeaveNow: - mov edx, [deflatestate] - mov ebx, [bestlen] - mov eax, [edx + dsLookahead] - cmp ebx, eax - jg LookaheadRet - mov eax, ebx -LookaheadRet: - -;;; Restore the stack and return from whence we came. - - add esp, LocalVarsSize - pop ebx - pop esi - pop edi - pop ebp - - ret -; please don't remove this string ! -; Your can freely use gvmat32 in any free or commercial app if you don't remove the string in the binary! - db 0dh,0ah,"asm686 with masm, optimised assembly code from Brian Raiter, written 1998",0dh,0ah - -IFDEF NOUNDERLINE -longest_match_686 endp -ELSE -_longest_match_686 endp -ENDIF - -_TEXT ends -end +; gvmat32.asm -- Asm portion of the optimized longest_match for 32 bits x86 +; Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant. +; File written by Gilles Vollant, by modifiying the longest_match +; from Jean-loup Gailly in deflate.c +; +; http://www.zlib.net +; http://www.winimage.com/zLibDll +; http://www.muppetlabs.com/~breadbox/software/assembly.html +; +; For Visual C++ 4.x and higher and ML 6.x and higher +; ml.exe is in directory \MASM611C of Win95 DDK +; ml.exe is also distributed in http://www.masm32.com/masmdl.htm +; and in VC++2003 toolkit at http://msdn.microsoft.com/visualc/vctoolkit2003/ +; +; this file contain two implementation of longest_match +; +; longest_match_7fff : written 1996 by Gilles Vollant optimized for +; first Pentium. Assume s->w_mask == 0x7fff +; longest_match_686 : written by Brian raiter (1998), optimized for Pentium Pro +; +; for using an seembly version of longest_match, you need define ASMV in project +; There is two way in using gvmat32.asm +; +; A) Suggested method +; if you want include both longest_match_7fff and longest_match_686 +; compile the asm file running +; ml /coff /Zi /Flgvmat32.lst /c gvmat32.asm +; and include gvmat32c.c in your project +; if you have an old cpu (386,486 or first Pentium) and s->w_mask==0x7fff, +; longest_match_7fff will be used +; if you have a more modern CPU (Pentium Pro, II and higher) +; longest_match_686 will be used +; on old cpu with s->w_mask!=0x7fff, longest_match_686 will be used, +; but this is not a sitation you'll find often +; +; B) Alternative +; if you are not interresed in old cpu performance and want the smaller +; binaries possible +; +; compile the asm file running +; ml /coff /Zi /c /Flgvmat32.lst /DNOOLDPENTIUMCODE gvmat32.asm +; and do not include gvmat32c.c in your project (ou define also +; NOOLDPENTIUMCODE) +; +; note : as I known, longest_match_686 is very faster than longest_match_7fff +; on pentium Pro/II/III, faster (but less) in P4, but it seem +; longest_match_7fff can be faster (very very litte) on AMD Athlon64/K8 +; +; see below : zlib1222add must be adjuster if you use a zlib version < 1.2.2.2 + +;uInt longest_match_7fff(s, cur_match) +; deflate_state *s; +; IPos cur_match; /* current match */ + + NbStack equ 76 + cur_match equ dword ptr[esp+NbStack-0] + str_s equ dword ptr[esp+NbStack-4] +; 5 dword on top (ret,ebp,esi,edi,ebx) + adrret equ dword ptr[esp+NbStack-8] + pushebp equ dword ptr[esp+NbStack-12] + pushedi equ dword ptr[esp+NbStack-16] + pushesi equ dword ptr[esp+NbStack-20] + pushebx equ dword ptr[esp+NbStack-24] + + chain_length equ dword ptr [esp+NbStack-28] + limit equ dword ptr [esp+NbStack-32] + best_len equ dword ptr [esp+NbStack-36] + window equ dword ptr [esp+NbStack-40] + prev equ dword ptr [esp+NbStack-44] + scan_start equ word ptr [esp+NbStack-48] + wmask equ dword ptr [esp+NbStack-52] + match_start_ptr equ dword ptr [esp+NbStack-56] + nice_match equ dword ptr [esp+NbStack-60] + scan equ dword ptr [esp+NbStack-64] + + windowlen equ dword ptr [esp+NbStack-68] + match_start equ dword ptr [esp+NbStack-72] + strend equ dword ptr [esp+NbStack-76] + NbStackAdd equ (NbStack-24) + + .386p + + name gvmatch + .MODEL FLAT + + + +; all the +zlib1222add offsets are due to the addition of fields +; in zlib in the deflate_state structure since the asm code was first written +; (if you compile with zlib 1.0.4 or older, use "zlib1222add equ (-4)"). +; (if you compile with zlib between 1.0.5 and 1.2.2.1, use "zlib1222add equ 0"). +; if you compile with zlib 1.2.2.2 or later , use "zlib1222add equ 8"). + + zlib1222add equ 8 + +; Note : these value are good with a 8 bytes boundary pack structure + dep_chain_length equ 74h+zlib1222add + dep_window equ 30h+zlib1222add + dep_strstart equ 64h+zlib1222add + dep_prev_length equ 70h+zlib1222add + dep_nice_match equ 88h+zlib1222add + dep_w_size equ 24h+zlib1222add + dep_prev equ 38h+zlib1222add + dep_w_mask equ 2ch+zlib1222add + dep_good_match equ 84h+zlib1222add + dep_match_start equ 68h+zlib1222add + dep_lookahead equ 6ch+zlib1222add + + +_TEXT segment + +IFDEF NOUNDERLINE + IFDEF NOOLDPENTIUMCODE + public longest_match + public match_init + ELSE + public longest_match_7fff + public cpudetect32 + public longest_match_686 + ENDIF +ELSE + IFDEF NOOLDPENTIUMCODE + public _longest_match + public _match_init + ELSE + public _longest_match_7fff + public _cpudetect32 + public _longest_match_686 + ENDIF +ENDIF + + MAX_MATCH equ 258 + MIN_MATCH equ 3 + MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1) + + + +IFNDEF NOOLDPENTIUMCODE +IFDEF NOUNDERLINE +longest_match_7fff proc near +ELSE +_longest_match_7fff proc near +ENDIF + + mov edx,[esp+4] + + + + push ebp + push edi + push esi + push ebx + + sub esp,NbStackAdd + +; initialize or check the variables used in match.asm. + mov ebp,edx + +; chain_length = s->max_chain_length +; if (prev_length>=good_match) chain_length >>= 2 + mov edx,[ebp+dep_chain_length] + mov ebx,[ebp+dep_prev_length] + cmp [ebp+dep_good_match],ebx + ja noshr + shr edx,2 +noshr: +; we increment chain_length because in the asm, the --chain_lenght is in the beginning of the loop + inc edx + mov edi,[ebp+dep_nice_match] + mov chain_length,edx + mov eax,[ebp+dep_lookahead] + cmp eax,edi +; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; + jae nolookaheadnicematch + mov edi,eax +nolookaheadnicematch: +; best_len = s->prev_length + mov best_len,ebx + +; window = s->window + mov esi,[ebp+dep_window] + mov ecx,[ebp+dep_strstart] + mov window,esi + + mov nice_match,edi +; scan = window + strstart + add esi,ecx + mov scan,esi +; dx = *window + mov dx,word ptr [esi] +; bx = *(window+best_len-1) + mov bx,word ptr [esi+ebx-1] + add esi,MAX_MATCH-1 +; scan_start = *scan + mov scan_start,dx +; strend = scan + MAX_MATCH-1 + mov strend,esi +; bx = scan_end = *(window+best_len-1) + +; IPos limit = s->strstart > (IPos)MAX_DIST(s) ? +; s->strstart - (IPos)MAX_DIST(s) : NIL; + + mov esi,[ebp+dep_w_size] + sub esi,MIN_LOOKAHEAD +; here esi = MAX_DIST(s) + sub ecx,esi + ja nodist + xor ecx,ecx +nodist: + mov limit,ecx + +; prev = s->prev + mov edx,[ebp+dep_prev] + mov prev,edx + +; + mov edx,dword ptr [ebp+dep_match_start] + mov bp,scan_start + mov eax,cur_match + mov match_start,edx + + mov edx,window + mov edi,edx + add edi,best_len + mov esi,prev + dec edi +; windowlen = window + best_len -1 + mov windowlen,edi + + jmp beginloop2 + align 4 + +; here, in the loop +; eax = ax = cur_match +; ecx = limit +; bx = scan_end +; bp = scan_start +; edi = windowlen (window + best_len -1) +; esi = prev + + +;// here; chain_length <=16 +normalbeg0add16: + add chain_length,16 + jz exitloop +normalbeg0: + cmp word ptr[edi+eax],bx + je normalbeg2noroll +rcontlabnoroll: +; cur_match = prev[cur_match & wmask] + and eax,7fffh + mov ax,word ptr[esi+eax*2] +; if cur_match > limit, go to exitloop + cmp ecx,eax + jnb exitloop +; if --chain_length != 0, go to exitloop + dec chain_length + jnz normalbeg0 + jmp exitloop + +normalbeg2noroll: +; if (scan_start==*(cur_match+window)) goto normalbeg2 + cmp bp,word ptr[edx+eax] + jne rcontlabnoroll + jmp normalbeg2 + +contloop3: + mov edi,windowlen + +; cur_match = prev[cur_match & wmask] + and eax,7fffh + mov ax,word ptr[esi+eax*2] +; if cur_match > limit, go to exitloop + cmp ecx,eax +jnbexitloopshort1: + jnb exitloop +; if --chain_length != 0, go to exitloop + + +; begin the main loop +beginloop2: + sub chain_length,16+1 +; if chain_length <=16, don't use the unrolled loop + jna normalbeg0add16 + +do16: + cmp word ptr[edi+eax],bx + je normalbeg2dc0 + +maccn MACRO lab + and eax,7fffh + mov ax,word ptr[esi+eax*2] + cmp ecx,eax + jnb exitloop + cmp word ptr[edi+eax],bx + je lab + ENDM + +rcontloop0: + maccn normalbeg2dc1 + +rcontloop1: + maccn normalbeg2dc2 + +rcontloop2: + maccn normalbeg2dc3 + +rcontloop3: + maccn normalbeg2dc4 + +rcontloop4: + maccn normalbeg2dc5 + +rcontloop5: + maccn normalbeg2dc6 + +rcontloop6: + maccn normalbeg2dc7 + +rcontloop7: + maccn normalbeg2dc8 + +rcontloop8: + maccn normalbeg2dc9 + +rcontloop9: + maccn normalbeg2dc10 + +rcontloop10: + maccn short normalbeg2dc11 + +rcontloop11: + maccn short normalbeg2dc12 + +rcontloop12: + maccn short normalbeg2dc13 + +rcontloop13: + maccn short normalbeg2dc14 + +rcontloop14: + maccn short normalbeg2dc15 + +rcontloop15: + and eax,7fffh + mov ax,word ptr[esi+eax*2] + cmp ecx,eax + jnb exitloop + + sub chain_length,16 + ja do16 + jmp normalbeg0add16 + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +normbeg MACRO rcontlab,valsub +; if we are here, we know that *(match+best_len-1) == scan_end + cmp bp,word ptr[edx+eax] +; if (match != scan_start) goto rcontlab + jne rcontlab +; calculate the good chain_length, and we'll compare scan and match string + add chain_length,16-valsub + jmp iseq + ENDM + + +normalbeg2dc11: + normbeg rcontloop11,11 + +normalbeg2dc12: + normbeg short rcontloop12,12 + +normalbeg2dc13: + normbeg short rcontloop13,13 + +normalbeg2dc14: + normbeg short rcontloop14,14 + +normalbeg2dc15: + normbeg short rcontloop15,15 + +normalbeg2dc10: + normbeg rcontloop10,10 + +normalbeg2dc9: + normbeg rcontloop9,9 + +normalbeg2dc8: + normbeg rcontloop8,8 + +normalbeg2dc7: + normbeg rcontloop7,7 + +normalbeg2dc6: + normbeg rcontloop6,6 + +normalbeg2dc5: + normbeg rcontloop5,5 + +normalbeg2dc4: + normbeg rcontloop4,4 + +normalbeg2dc3: + normbeg rcontloop3,3 + +normalbeg2dc2: + normbeg rcontloop2,2 + +normalbeg2dc1: + normbeg rcontloop1,1 + +normalbeg2dc0: + normbeg rcontloop0,0 + + +; we go in normalbeg2 because *(ushf*)(match+best_len-1) == scan_end + +normalbeg2: + mov edi,window + + cmp bp,word ptr[edi+eax] + jne contloop3 ; if *(ushf*)match != scan_start, continue + +iseq: +; if we are here, we know that *(match+best_len-1) == scan_end +; and (match == scan_start) + + mov edi,edx + mov esi,scan ; esi = scan + add edi,eax ; edi = window + cur_match = match + + mov edx,[esi+3] ; compare manually dword at match+3 + xor edx,[edi+3] ; and scan +3 + + jz begincompare ; if equal, go to long compare + +; we will determine the unmatch byte and calculate len (in esi) + or dl,dl + je eq1rr + mov esi,3 + jmp trfinval +eq1rr: + or dx,dx + je eq1 + + mov esi,4 + jmp trfinval +eq1: + and edx,0ffffffh + jz eq11 + mov esi,5 + jmp trfinval +eq11: + mov esi,6 + jmp trfinval + +begincompare: + ; here we now scan and match begin same + add edi,6 + add esi,6 + mov ecx,(MAX_MATCH-(2+4))/4 ; scan for at most MAX_MATCH bytes + repe cmpsd ; loop until mismatch + + je trfin ; go to trfin if not unmatch +; we determine the unmatch byte + sub esi,4 + mov edx,[edi-4] + xor edx,[esi] + + or dl,dl + jnz trfin + inc esi + + or dx,dx + jnz trfin + inc esi + + and edx,0ffffffh + jnz trfin + inc esi + +trfin: + sub esi,scan ; esi = len +trfinval: +; here we have finised compare, and esi contain len of equal string + cmp esi,best_len ; if len > best_len, go newbestlen + ja short newbestlen +; now we restore edx, ecx and esi, for the big loop + mov esi,prev + mov ecx,limit + mov edx,window + jmp contloop3 + +newbestlen: + mov best_len,esi ; len become best_len + + mov match_start,eax ; save new position as match_start + cmp esi,nice_match ; if best_len >= nice_match, exit + jae exitloop + mov ecx,scan + mov edx,window ; restore edx=window + add ecx,esi + add esi,edx + + dec esi + mov windowlen,esi ; windowlen = window + best_len-1 + mov bx,[ecx-1] ; bx = *(scan+best_len-1) = scan_end + +; now we restore ecx and esi, for the big loop : + mov esi,prev + mov ecx,limit + jmp contloop3 + +exitloop: +; exit : s->match_start=match_start + mov ebx,match_start + mov ebp,str_s + mov ecx,best_len + mov dword ptr [ebp+dep_match_start],ebx + mov eax,dword ptr [ebp+dep_lookahead] + cmp ecx,eax + ja minexlo + mov eax,ecx +minexlo: +; return min(best_len,s->lookahead) + +; restore stack and register ebx,esi,edi,ebp + add esp,NbStackAdd + + pop ebx + pop esi + pop edi + pop ebp + ret +InfoAuthor: +; please don't remove this string ! +; Your are free use gvmat32 in any fre or commercial apps if you don't remove the string in the binary! + db 0dh,0ah,"GVMat32 optimised assembly code written 1996-98 by Gilles Vollant",0dh,0ah + + + +IFDEF NOUNDERLINE +longest_match_7fff endp +ELSE +_longest_match_7fff endp +ENDIF + + +IFDEF NOUNDERLINE +cpudetect32 proc near +ELSE +_cpudetect32 proc near +ENDIF + + push ebx + + pushfd ; push original EFLAGS + pop eax ; get original EFLAGS + mov ecx, eax ; save original EFLAGS + xor eax, 40000h ; flip AC bit in EFLAGS + push eax ; save new EFLAGS value on stack + popfd ; replace current EFLAGS value + pushfd ; get new EFLAGS + pop eax ; store new EFLAGS in EAX + xor eax, ecx ; can’t toggle AC bit, processor=80386 + jz end_cpu_is_386 ; jump if 80386 processor + push ecx + popfd ; restore AC bit in EFLAGS first + + pushfd + pushfd + pop ecx + + mov eax, ecx ; get original EFLAGS + xor eax, 200000h ; flip ID bit in EFLAGS + push eax ; save new EFLAGS value on stack + popfd ; replace current EFLAGS value + pushfd ; get new EFLAGS + pop eax ; store new EFLAGS in EAX + popfd ; restore original EFLAGS + xor eax, ecx ; can’t toggle ID bit, + je is_old_486 ; processor=old + + mov eax,1 + db 0fh,0a2h ;CPUID + +exitcpudetect: + pop ebx + ret + +end_cpu_is_386: + mov eax,0300h + jmp exitcpudetect + +is_old_486: + mov eax,0400h + jmp exitcpudetect + +IFDEF NOUNDERLINE +cpudetect32 endp +ELSE +_cpudetect32 endp +ENDIF +ENDIF + +MAX_MATCH equ 258 +MIN_MATCH equ 3 +MIN_LOOKAHEAD equ (MAX_MATCH + MIN_MATCH + 1) +MAX_MATCH_8_ equ ((MAX_MATCH + 7) AND 0FFF0h) + + +;;; stack frame offsets + +chainlenwmask equ esp + 0 ; high word: current chain len + ; low word: s->wmask +window equ esp + 4 ; local copy of s->window +windowbestlen equ esp + 8 ; s->window + bestlen +scanstart equ esp + 16 ; first two bytes of string +scanend equ esp + 12 ; last two bytes of string +scanalign equ esp + 20 ; dword-misalignment of string +nicematch equ esp + 24 ; a good enough match size +bestlen equ esp + 28 ; size of best match so far +scan equ esp + 32 ; ptr to string wanting match + +LocalVarsSize equ 36 +; saved ebx byte esp + 36 +; saved edi byte esp + 40 +; saved esi byte esp + 44 +; saved ebp byte esp + 48 +; return address byte esp + 52 +deflatestate equ esp + 56 ; the function arguments +curmatch equ esp + 60 + +;;; Offsets for fields in the deflate_state structure. These numbers +;;; are calculated from the definition of deflate_state, with the +;;; assumption that the compiler will dword-align the fields. (Thus, +;;; changing the definition of deflate_state could easily cause this +;;; program to crash horribly, without so much as a warning at +;;; compile time. Sigh.) + +dsWSize equ 36+zlib1222add +dsWMask equ 44+zlib1222add +dsWindow equ 48+zlib1222add +dsPrev equ 56+zlib1222add +dsMatchLen equ 88+zlib1222add +dsPrevMatch equ 92+zlib1222add +dsStrStart equ 100+zlib1222add +dsMatchStart equ 104+zlib1222add +dsLookahead equ 108+zlib1222add +dsPrevLen equ 112+zlib1222add +dsMaxChainLen equ 116+zlib1222add +dsGoodMatch equ 132+zlib1222add +dsNiceMatch equ 136+zlib1222add + + +;;; match.asm -- Pentium-Pro-optimized version of longest_match() +;;; Written for zlib 1.1.2 +;;; Copyright (C) 1998 Brian Raiter +;;; You can look at http://www.muppetlabs.com/~breadbox/software/assembly.html +;;; +;;; This is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License. + +;GLOBAL _longest_match, _match_init + + +;SECTION .text + +;;; uInt longest_match(deflate_state *deflatestate, IPos curmatch) + +;_longest_match: +IFDEF NOOLDPENTIUMCODE + IFDEF NOUNDERLINE + longest_match proc near + ELSE + _longest_match proc near + ENDIF +ELSE + IFDEF NOUNDERLINE + longest_match_686 proc near + ELSE + _longest_match_686 proc near + ENDIF +ENDIF + +;;; Save registers that the compiler may be using, and adjust esp to +;;; make room for our stack frame. + + push ebp + push edi + push esi + push ebx + sub esp, LocalVarsSize + +;;; Retrieve the function arguments. ecx will hold cur_match +;;; throughout the entire function. edx will hold the pointer to the +;;; deflate_state structure during the function's setup (before +;;; entering the main loop. + + mov edx, [deflatestate] + mov ecx, [curmatch] + +;;; uInt wmask = s->w_mask; +;;; unsigned chain_length = s->max_chain_length; +;;; if (s->prev_length >= s->good_match) { +;;; chain_length >>= 2; +;;; } + + mov eax, [edx + dsPrevLen] + mov ebx, [edx + dsGoodMatch] + cmp eax, ebx + mov eax, [edx + dsWMask] + mov ebx, [edx + dsMaxChainLen] + jl LastMatchGood + shr ebx, 2 +LastMatchGood: + +;;; chainlen is decremented once beforehand so that the function can +;;; use the sign flag instead of the zero flag for the exit test. +;;; It is then shifted into the high word, to make room for the wmask +;;; value, which it will always accompany. + + dec ebx + shl ebx, 16 + or ebx, eax + mov [chainlenwmask], ebx + +;;; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; + + mov eax, [edx + dsNiceMatch] + mov ebx, [edx + dsLookahead] + cmp ebx, eax + jl LookaheadLess + mov ebx, eax +LookaheadLess: mov [nicematch], ebx + +;;; register Bytef *scan = s->window + s->strstart; + + mov esi, [edx + dsWindow] + mov [window], esi + mov ebp, [edx + dsStrStart] + lea edi, [esi + ebp] + mov [scan], edi + +;;; Determine how many bytes the scan ptr is off from being +;;; dword-aligned. + + mov eax, edi + neg eax + and eax, 3 + mov [scanalign], eax + +;;; IPos limit = s->strstart > (IPos)MAX_DIST(s) ? +;;; s->strstart - (IPos)MAX_DIST(s) : NIL; + + mov eax, [edx + dsWSize] + sub eax, MIN_LOOKAHEAD + sub ebp, eax + jg LimitPositive + xor ebp, ebp +LimitPositive: + +;;; int best_len = s->prev_length; + + mov eax, [edx + dsPrevLen] + mov [bestlen], eax + +;;; Store the sum of s->window + best_len in esi locally, and in esi. + + add esi, eax + mov [windowbestlen], esi + +;;; register ush scan_start = *(ushf*)scan; +;;; register ush scan_end = *(ushf*)(scan+best_len-1); +;;; Posf *prev = s->prev; + + movzx ebx, word ptr [edi] + mov [scanstart], ebx + movzx ebx, word ptr [edi + eax - 1] + mov [scanend], ebx + mov edi, [edx + dsPrev] + +;;; Jump into the main loop. + + mov edx, [chainlenwmask] + jmp short LoopEntry + +align 4 + +;;; do { +;;; match = s->window + cur_match; +;;; if (*(ushf*)(match+best_len-1) != scan_end || +;;; *(ushf*)match != scan_start) continue; +;;; [...] +;;; } while ((cur_match = prev[cur_match & wmask]) > limit +;;; && --chain_length != 0); +;;; +;;; Here is the inner loop of the function. The function will spend the +;;; majority of its time in this loop, and majority of that time will +;;; be spent in the first ten instructions. +;;; +;;; Within this loop: +;;; ebx = scanend +;;; ecx = curmatch +;;; edx = chainlenwmask - i.e., ((chainlen << 16) | wmask) +;;; esi = windowbestlen - i.e., (window + bestlen) +;;; edi = prev +;;; ebp = limit + +LookupLoop: + and ecx, edx + movzx ecx, word ptr [edi + ecx*2] + cmp ecx, ebp + jbe LeaveNow + sub edx, 00010000h + js LeaveNow +LoopEntry: movzx eax, word ptr [esi + ecx - 1] + cmp eax, ebx + jnz LookupLoop + mov eax, [window] + movzx eax, word ptr [eax + ecx] + cmp eax, [scanstart] + jnz LookupLoop + +;;; Store the current value of chainlen. + + mov [chainlenwmask], edx + +;;; Point edi to the string under scrutiny, and esi to the string we +;;; are hoping to match it up with. In actuality, esi and edi are +;;; both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and edx is +;;; initialized to -(MAX_MATCH_8 - scanalign). + + mov esi, [window] + mov edi, [scan] + add esi, ecx + mov eax, [scanalign] + mov edx, 0fffffef8h; -(MAX_MATCH_8) + lea edi, [edi + eax + 0108h] ;MAX_MATCH_8] + lea esi, [esi + eax + 0108h] ;MAX_MATCH_8] + +;;; Test the strings for equality, 8 bytes at a time. At the end, +;;; adjust edx so that it is offset to the exact byte that mismatched. +;;; +;;; We already know at this point that the first three bytes of the +;;; strings match each other, and they can be safely passed over before +;;; starting the compare loop. So what this code does is skip over 0-3 +;;; bytes, as much as necessary in order to dword-align the edi +;;; pointer. (esi will still be misaligned three times out of four.) +;;; +;;; It should be confessed that this loop usually does not represent +;;; much of the total running time. Replacing it with a more +;;; straightforward "rep cmpsb" would not drastically degrade +;;; performance. + +LoopCmps: + mov eax, [esi + edx] + xor eax, [edi + edx] + jnz LeaveLoopCmps + mov eax, [esi + edx + 4] + xor eax, [edi + edx + 4] + jnz LeaveLoopCmps4 + add edx, 8 + jnz LoopCmps + jmp short LenMaximum +LeaveLoopCmps4: add edx, 4 +LeaveLoopCmps: test eax, 0000FFFFh + jnz LenLower + add edx, 2 + shr eax, 16 +LenLower: sub al, 1 + adc edx, 0 + +;;; Calculate the length of the match. If it is longer than MAX_MATCH, +;;; then automatically accept it as the best possible match and leave. + + lea eax, [edi + edx] + mov edi, [scan] + sub eax, edi + cmp eax, MAX_MATCH + jge LenMaximum + +;;; If the length of the match is not longer than the best match we +;;; have so far, then forget it and return to the lookup loop. + + mov edx, [deflatestate] + mov ebx, [bestlen] + cmp eax, ebx + jg LongerMatch + mov esi, [windowbestlen] + mov edi, [edx + dsPrev] + mov ebx, [scanend] + mov edx, [chainlenwmask] + jmp LookupLoop + +;;; s->match_start = cur_match; +;;; best_len = len; +;;; if (len >= nice_match) break; +;;; scan_end = *(ushf*)(scan+best_len-1); + +LongerMatch: mov ebx, [nicematch] + mov [bestlen], eax + mov [edx + dsMatchStart], ecx + cmp eax, ebx + jge LeaveNow + mov esi, [window] + add esi, eax + mov [windowbestlen], esi + movzx ebx, word ptr [edi + eax - 1] + mov edi, [edx + dsPrev] + mov [scanend], ebx + mov edx, [chainlenwmask] + jmp LookupLoop + +;;; Accept the current string, with the maximum possible length. + +LenMaximum: mov edx, [deflatestate] + mov dword ptr [bestlen], MAX_MATCH + mov [edx + dsMatchStart], ecx + +;;; if ((uInt)best_len <= s->lookahead) return (uInt)best_len; +;;; return s->lookahead; + +LeaveNow: + mov edx, [deflatestate] + mov ebx, [bestlen] + mov eax, [edx + dsLookahead] + cmp ebx, eax + jg LookaheadRet + mov eax, ebx +LookaheadRet: + +;;; Restore the stack and return from whence we came. + + add esp, LocalVarsSize + pop ebx + pop esi + pop edi + pop ebp + + ret +; please don't remove this string ! +; Your can freely use gvmat32 in any free or commercial app if you don't remove the string in the binary! + db 0dh,0ah,"asm686 with masm, optimised assembly code from Brian Raiter, written 1998",0dh,0ah + + +IFDEF NOOLDPENTIUMCODE + IFDEF NOUNDERLINE + longest_match endp + ELSE + _longest_match endp + ENDIF + + IFDEF NOUNDERLINE + match_init proc near + ret + match_init endp + ELSE + _match_init proc near + ret + _match_init endp + ENDIF +ELSE + IFDEF NOUNDERLINE + longest_match_686 endp + ELSE + _longest_match_686 endp + ENDIF +ENDIF + +_TEXT ends +end diff --git a/contrib/masmx86/gvmat32c.c b/contrib/masmx86/gvmat32c.c index 9ed25f3..7ad2b27 100644 --- a/contrib/masmx86/gvmat32c.c +++ b/contrib/masmx86/gvmat32c.c @@ -1,206 +1,62 @@ -/* gvmat32.c -- C portion of the optimized longest_match for 32 bits x86 - * Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant. - * File written by Gilles Vollant, by modifiying the longest_match - * from Jean-loup Gailly in deflate.c - * it prepare all parameters and call the assembly longest_match_gvasm - * longest_match execute standard C code is wmask != 0x7fff - * (assembly code is faster with a fixed wmask) - * - */ - -#include "deflate.h" - -#ifdef ASMV -#define NIL 0 - -#define UNALIGNED_OK - - -/* if your C compiler don't add underline before function name, - define ADD_UNDERLINE_ASMFUNC */ -#ifdef ADD_UNDERLINE_ASMFUNC -#define longest_match_7fff _longest_match_7fff -#define longest_match_686 _longest_match_686 -#define cpudetect32 _cpudetect32 -#endif - - - -void match_init() -{ -} - -unsigned long cpudetect32(); - -uInt longest_match_c( - deflate_state *s, - IPos cur_match); /* current match */ - - -uInt longest_match_7fff( - deflate_state *s, - IPos cur_match); /* current match */ - -uInt longest_match_686( - deflate_state *s, - IPos cur_match); /* current match */ - -uInt longest_match( - deflate_state *s, - IPos cur_match) /* current match */ -{ - static uInt iIsPPro=2; - - if ((s->w_mask == 0x7fff) && (iIsPPro==0)) - return longest_match_7fff(s,cur_match); - - if (iIsPPro==1) - return longest_match_686(s,cur_match); - - if (iIsPPro==2) - iIsPPro = (((cpudetect32()/0x100)&0xf)>=6) ? 1 : 0; - - return longest_match_c(s,cur_match); -} - - - -uInt longest_match_c(s, cur_match) - deflate_state *s; - IPos cur_match; /* current match */ -{ - unsigned chain_length = s->max_chain_length;/* max hash chain length */ - register Bytef *scan = s->window + s->strstart; /* current string */ - register Bytef *match; /* matched string */ - register int len; /* length of current match */ - int best_len = s->prev_length; /* best match length so far */ - int nice_match = s->nice_match; /* stop if match long enough */ - IPos limit = s->strstart > (IPos)MAX_DIST(s) ? - s->strstart - (IPos)MAX_DIST(s) : NIL; - /* Stop when cur_match becomes <= limit. To simplify the code, - * we prevent matches with the string of window index 0. - */ - Posf *prev = s->prev; - uInt wmask = s->w_mask; - -#ifdef UNALIGNED_OK - /* Compare two bytes at a time. Note: this is not always beneficial. - * Try with and without -DUNALIGNED_OK to check. - */ - register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1; - register ush scan_start = *(ushf*)scan; - register ush scan_end = *(ushf*)(scan+best_len-1); -#else - register Bytef *strend = s->window + s->strstart + MAX_MATCH; - register Byte scan_end1 = scan[best_len-1]; - register Byte scan_end = scan[best_len]; -#endif - - /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. - * It is easy to get rid of this optimization if necessary. - */ - Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); - - /* Do not waste too much time if we already have a good match: */ - if (s->prev_length >= s->good_match) { - chain_length >>= 2; - } - /* Do not look for matches beyond the end of the input. This is necessary - * to make deflate deterministic. - */ - if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; - - Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); - - do { - Assert(cur_match < s->strstart, "no future"); - match = s->window + cur_match; - - /* Skip to next match if the match length cannot increase - * or if the match length is less than 2: - */ -#if (defined(UNALIGNED_OK) && MAX_MATCH == 258) - /* This code assumes sizeof(unsigned short) == 2. Do not use - * UNALIGNED_OK if your compiler uses a different size. - */ - if (*(ushf*)(match+best_len-1) != scan_end || - *(ushf*)match != scan_start) continue; - - /* It is not necessary to compare scan[2] and match[2] since they are - * always equal when the other bytes match, given that the hash keys - * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at - * strstart+3, +5, ... up to strstart+257. We check for insufficient - * lookahead only every 4th comparison; the 128th check will be made - * at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is - * necessary to put more guard bytes at the end of the window, or - * to check more often for insufficient lookahead. - */ - Assert(scan[2] == match[2], "scan[2]?"); - scan++, match++; - do { - } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) && - *(ushf*)(scan+=2) == *(ushf*)(match+=2) && - *(ushf*)(scan+=2) == *(ushf*)(match+=2) && - *(ushf*)(scan+=2) == *(ushf*)(match+=2) && - scan < strend); - /* The funny "do {}" generates better code on most compilers */ - - /* Here, scan <= window+strstart+257 */ - Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - if (*scan == *match) scan++; - - len = (MAX_MATCH - 1) - (int)(strend-scan); - scan = strend - (MAX_MATCH-1); - -#else /* UNALIGNED_OK */ - - if (match[best_len] != scan_end || - match[best_len-1] != scan_end1 || - *match != *scan || - *++match != scan[1]) continue; - - /* The check at best_len-1 can be removed because it will be made - * again later. (This heuristic is not always a win.) - * It is not necessary to compare scan[2] and match[2] since they - * are always equal when the other bytes match, given that - * the hash keys are equal and that HASH_BITS >= 8. - */ - scan += 2, match++; - Assert(*scan == *match, "match[2]?"); - - /* We check for insufficient lookahead only every 8th comparison; - * the 256th check will be made at strstart+258. - */ - do { - } while (*++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - *++scan == *++match && *++scan == *++match && - scan < strend); - - Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - - len = MAX_MATCH - (int)(strend - scan); - scan = strend - MAX_MATCH; - -#endif /* UNALIGNED_OK */ - - if (len > best_len) { - s->match_start = cur_match; - best_len = len; - if (len >= nice_match) break; -#ifdef UNALIGNED_OK - scan_end = *(ushf*)(scan+best_len-1); -#else - scan_end1 = scan[best_len-1]; - scan_end = scan[best_len]; -#endif - } - } while ((cur_match = prev[cur_match & wmask]) > limit - && --chain_length != 0); - - if ((uInt)best_len <= s->lookahead) return (uInt)best_len; - return s->lookahead; -} - -#endif /* ASMV */ +/* gvmat32.c -- C portion of the optimized longest_match for 32 bits x86 + * Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant. + * File written by Gilles Vollant, by modifiying the longest_match + * from Jean-loup Gailly in deflate.c + * it prepare all parameters and call the assembly longest_match_gvasm + * longest_match execute standard C code is wmask != 0x7fff + * (assembly code is faster with a fixed wmask) + * + * Read comment at beginning of gvmat32.asm for more information + */ + +#if defined(ASMV) && (!defined(NOOLDPENTIUMCODE)) +#include "deflate.h" + +/* if your C compiler don't add underline before function name, + define ADD_UNDERLINE_ASMFUNC */ +#ifdef ADD_UNDERLINE_ASMFUNC +#define longest_match_7fff _longest_match_7fff +#define longest_match_686 _longest_match_686 +#define cpudetect32 _cpudetect32 +#endif + + +unsigned long cpudetect32(); + +uInt longest_match_c( + deflate_state *s, + IPos cur_match); /* current match */ + + +uInt longest_match_7fff( + deflate_state *s, + IPos cur_match); /* current match */ + +uInt longest_match_686( + deflate_state *s, + IPos cur_match); /* current match */ + + +static uInt iIsPPro=2; + +void match_init () +{ + iIsPPro = (((cpudetect32()/0x100)&0xf)>=6) ? 1 : 0; +} + +uInt longest_match( + deflate_state *s, + IPos cur_match) /* current match */ +{ + if (iIsPPro!=0) + return longest_match_686(s,cur_match); + + if (s->w_mask != 0x7fff) + return longest_match_686(s,cur_match); + + /* now ((s->w_mask == 0x7fff) && (iIsPPro==0)) */ + return longest_match_7fff(s,cur_match); +} + + +#endif /* defined(ASMV) && (!defined(NOOLDPENTIUMCODE)) */ diff --git a/contrib/masmx86/inffas32.asm b/contrib/masmx86/inffas32.asm index 531bcef..4a20512 100644 --- a/contrib/masmx86/inffas32.asm +++ b/contrib/masmx86/inffas32.asm @@ -1,1036 +1,1083 @@ -; 75 "inffast.S" -;FILE "inffast.S" - -;;;GLOBAL _inflate_fast - -;;;SECTION .text - - - - .586p - .mmx - - name inflate_fast_x86 - .MODEL FLAT - -_DATA segment -inflate_fast_use_mmx: - dd 1 - - -_TEXT segment -PUBLIC _inflate_fast - -ALIGN 4 -_inflate_fast: - jmp inflate_fast_entry - - - -ALIGN 4 - db 'Fast decoding Code from Chris Anderson' - db 0 - -ALIGN 4 -invalid_literal_length_code_msg: - db 'invalid literal/length code' - db 0 - -ALIGN 4 -invalid_distance_code_msg: - db 'invalid distance code' - db 0 - -ALIGN 4 -invalid_distance_too_far_msg: - db 'invalid distance too far back' - db 0 - - -ALIGN 4 -inflate_fast_mask: -dd 0 -dd 1 -dd 3 -dd 7 -dd 15 -dd 31 -dd 63 -dd 127 -dd 255 -dd 511 -dd 1023 -dd 2047 -dd 4095 -dd 8191 -dd 16383 -dd 32767 -dd 65535 -dd 131071 -dd 262143 -dd 524287 -dd 1048575 -dd 2097151 -dd 4194303 -dd 8388607 -dd 16777215 -dd 33554431 -dd 67108863 -dd 134217727 -dd 268435455 -dd 536870911 -dd 1073741823 -dd 2147483647 -dd 4294967295 - - -; head was added in zlib 1.2.2.1, so we add addstr -; set addstr to 0 with zlib 1.2.1 of below -addstr equ 4 - -mode_state equ 0 ;/* state->mode */ -wsize_state equ 32+addstr ;/* state->wsize */ -write_state equ (36+4+addstr) ;/* state->write */ -window_state equ (40+4+addstr) ;/* state->window */ -hold_state equ (44+4+addstr) ;/* state->hold */ -bits_state equ (48+4+addstr) ;/* state->bits */ -lencode_state equ (64+4+addstr) ;/* state->lencode */ -distcode_state equ (68+4+addstr) ;/* state->distcode */ -lenbits_state equ (72+4+addstr) ;/* state->lenbits */ -distbits_state equ (76+4+addstr) ;/* state->distbits */ - - -;;SECTION .text -; 205 "inffast.S" -;GLOBAL inflate_fast_use_mmx - -;SECTION .data - - -; GLOBAL inflate_fast_use_mmx:object -;.size inflate_fast_use_mmx, 4 -; 226 "inffast.S" -;SECTION .text - -ALIGN 4 -inflate_fast_entry: - push edi - push esi - push ebp - push ebx - pushfd - sub esp,64 - cld - - - - - mov esi, [esp+88] - mov edi, [esi+28] - - - - - - - - mov edx, [esi+4] - mov eax, [esi+0] - - add edx,eax - sub edx,11 - - mov [esp+44],eax - mov [esp+20],edx - - mov ebp, [esp+92] - mov ecx, [esi+16] - mov ebx, [esi+12] - - sub ebp,ecx - neg ebp - add ebp,ebx - - sub ecx,257 - add ecx,ebx - - mov [esp+60],ebx - mov [esp+40],ebp - mov [esp+16],ecx -; 285 "inffast.S" - mov eax, [edi+lencode_state] - mov ecx, [edi+distcode_state] - - mov [esp+8],eax - mov [esp+12],ecx - - mov eax,1 - mov ecx, [edi+lenbits_state] - shl eax,cl - dec eax - mov [esp+0],eax - - mov eax,1 - mov ecx, [edi+distbits_state] - shl eax,cl - dec eax - mov [esp+4],eax - - mov eax, [edi+wsize_state] - mov ecx, [edi+write_state] - mov edx, [edi+window_state] - - mov [esp+52],eax - mov [esp+48],ecx - mov [esp+56],edx - - mov ebp, [edi+hold_state] - mov ebx, [edi+bits_state] -; 321 "inffast.S" - mov esi, [esp+44] - mov ecx, [esp+20] - cmp ecx,esi - ja L_align_long - - add ecx,11 - sub ecx,esi - mov eax,12 - sub eax,ecx - lea edi, [esp+28] - rep movsb - mov ecx,eax - xor eax,eax - rep stosb - lea esi, [esp+28] - mov [esp+20],esi - jmp L_is_aligned - - -L_align_long: - test esi,3 - jz L_is_aligned - xor eax,eax - mov al, [esi] - inc esi - mov ecx,ebx - add ebx,8 - shl eax,cl - or ebp,eax - jmp L_align_long - -L_is_aligned: - mov edi, [esp+60] -; 366 "inffast.S" -L_check_mmx: - cmp dword ptr [inflate_fast_use_mmx],2 - je L_init_mmx - ja L_do_loop - - push eax - push ebx - push ecx - push edx - pushfd - mov eax, [esp] - xor dword ptr [esp],0200000h - - - - - popfd - pushfd - pop edx - xor edx,eax - jz L_dont_use_mmx - xor eax,eax - cpuid - cmp ebx,0756e6547h - jne L_dont_use_mmx - cmp ecx,06c65746eh - jne L_dont_use_mmx - cmp edx,049656e69h - jne L_dont_use_mmx - mov eax,1 - cpuid - shr eax,8 - and eax,15 - cmp eax,6 - jne L_dont_use_mmx - test edx,0800000h - jnz L_use_mmx - jmp L_dont_use_mmx -L_use_mmx: - mov dword ptr [inflate_fast_use_mmx],2 - jmp L_check_mmx_pop -L_dont_use_mmx: - mov dword ptr [inflate_fast_use_mmx],3 -L_check_mmx_pop: - pop edx - pop ecx - pop ebx - pop eax - jmp L_check_mmx -; 426 "inffast.S" -ALIGN 4 -L_do_loop: -; 437 "inffast.S" - cmp bl,15 - ja L_get_length_code - - xor eax,eax - lodsw - mov cl,bl - add bl,16 - shl eax,cl - or ebp,eax - -L_get_length_code: - mov edx, [esp+0] - mov ecx, [esp+8] - and edx,ebp - mov eax, [ecx+edx*4] - -L_dolen: - - - - - - - mov cl,ah - sub bl,ah - shr ebp,cl - - - - - - - test al,al - jnz L_test_for_length_base - - shr eax,16 - stosb - -L_while_test: - - - cmp [esp+16],edi - jbe L_break_loop - - cmp [esp+20],esi - ja L_do_loop - jmp L_break_loop - -L_test_for_length_base: -; 502 "inffast.S" - mov edx,eax - shr edx,16 - mov cl,al - - test al,16 - jz L_test_for_second_level_length - and cl,15 - jz L_save_len - cmp bl,cl - jae L_add_bits_to_len - - mov ch,cl - xor eax,eax - lodsw - mov cl,bl - add bl,16 - shl eax,cl - or ebp,eax - mov cl,ch - -L_add_bits_to_len: - mov eax,1 - shl eax,cl - dec eax - sub bl,cl - and eax,ebp - shr ebp,cl - add edx,eax - -L_save_len: - mov [esp+24],edx - - -L_decode_distance: -; 549 "inffast.S" - cmp bl,15 - ja L_get_distance_code - - xor eax,eax - lodsw - mov cl,bl - add bl,16 - shl eax,cl - or ebp,eax - -L_get_distance_code: - mov edx, [esp+4] - mov ecx, [esp+12] - and edx,ebp - mov eax, [ecx+edx*4] - - -L_dodist: - mov edx,eax - shr edx,16 - mov cl,ah - sub bl,ah - shr ebp,cl -; 584 "inffast.S" - mov cl,al - - test al,16 - jz L_test_for_second_level_dist - and cl,15 - jz L_check_dist_one - cmp bl,cl - jae L_add_bits_to_dist - - mov ch,cl - xor eax,eax - lodsw - mov cl,bl - add bl,16 - shl eax,cl - or ebp,eax - mov cl,ch - -L_add_bits_to_dist: - mov eax,1 - shl eax,cl - dec eax - sub bl,cl - and eax,ebp - shr ebp,cl - add edx,eax - jmp L_check_window - -L_check_window: -; 625 "inffast.S" - mov [esp+44],esi - mov eax,edi - sub eax, [esp+40] - - cmp eax,edx - jb L_clip_window - - mov ecx, [esp+24] - mov esi,edi - sub esi,edx - - sub ecx,3 - mov al, [esi] - mov [edi],al - mov al, [esi+1] - mov dl, [esi+2] - add esi,3 - mov [edi+1],al - mov [edi+2],dl - add edi,3 - rep movsb - - mov esi, [esp+44] - jmp L_while_test - -ALIGN 4 -L_check_dist_one: - cmp edx,1 - jne L_check_window - cmp [esp+40],edi - je L_check_window - - dec edi - mov ecx, [esp+24] - mov al, [edi] - sub ecx,3 - - mov [edi+1],al - mov [edi+2],al - mov [edi+3],al - add edi,4 - rep stosb - - jmp L_while_test - -ALIGN 4 -L_test_for_second_level_length: - - - - - test al,64 - jnz L_test_for_end_of_block - - mov eax,1 - shl eax,cl - dec eax - and eax,ebp - add eax,edx - mov edx, [esp+8] - mov eax, [edx+eax*4] - jmp L_dolen - -ALIGN 4 -L_test_for_second_level_dist: - - - - - test al,64 - jnz L_invalid_distance_code - - mov eax,1 - shl eax,cl - dec eax - and eax,ebp - add eax,edx - mov edx, [esp+12] - mov eax, [edx+eax*4] - jmp L_dodist - -ALIGN 4 -L_clip_window: -; 721 "inffast.S" - mov ecx,eax - mov eax, [esp+52] - neg ecx - mov esi, [esp+56] - - cmp eax,edx - jb L_invalid_distance_too_far - - add ecx,edx - cmp dword ptr [esp+48],0 - jne L_wrap_around_window - - sub eax,ecx - add esi,eax -; 749 "inffast.S" - mov eax, [esp+24] - cmp eax,ecx - jbe L_do_copy1 - - sub eax,ecx - rep movsb - mov esi,edi - sub esi,edx - jmp L_do_copy1 - - cmp eax,ecx - jbe L_do_copy1 - - sub eax,ecx - rep movsb - mov esi,edi - sub esi,edx - jmp L_do_copy1 - -L_wrap_around_window: -; 793 "inffast.S" - mov eax, [esp+48] - cmp ecx,eax - jbe L_contiguous_in_window - - add esi, [esp+52] - add esi,eax - sub esi,ecx - sub ecx,eax - - - mov eax, [esp+24] - cmp eax,ecx - jbe L_do_copy1 - - sub eax,ecx - rep movsb - mov esi, [esp+56] - mov ecx, [esp+48] - cmp eax,ecx - jbe L_do_copy1 - - sub eax,ecx - rep movsb - mov esi,edi - sub esi,edx - jmp L_do_copy1 - -L_contiguous_in_window: -; 836 "inffast.S" - add esi,eax - sub esi,ecx - - - mov eax, [esp+24] - cmp eax,ecx - jbe L_do_copy1 - - sub eax,ecx - rep movsb - mov esi,edi - sub esi,edx - -L_do_copy1: -; 862 "inffast.S" - mov ecx,eax - rep movsb - - mov esi, [esp+44] - jmp L_while_test -; 878 "inffast.S" -ALIGN 4 -L_init_mmx: - emms - - - - - - movd mm0,ebp - mov ebp,ebx -; 896 "inffast.S" - movd mm4,[esp+0] - movq mm3,mm4 - movd mm5,[esp+4] - movq mm2,mm5 - pxor mm1,mm1 - mov ebx, [esp+8] - jmp L_do_loop_mmx - -ALIGN 4 -L_do_loop_mmx: - psrlq mm0,mm1 - - cmp ebp,32 - ja L_get_length_code_mmx - - movd mm6,ebp - movd mm7,[esi] - add esi,4 - psllq mm7,mm6 - add ebp,32 - por mm0,mm7 - -L_get_length_code_mmx: - pand mm4,mm0 - movd eax,mm4 - movq mm4,mm3 - mov eax, [ebx+eax*4] - -L_dolen_mmx: - movzx ecx,ah - movd mm1,ecx - sub ebp,ecx - - test al,al - jnz L_test_for_length_base_mmx - - shr eax,16 - stosb - -L_while_test_mmx: - - - cmp [esp+16],edi - jbe L_break_loop - - cmp [esp+20],esi - ja L_do_loop_mmx - jmp L_break_loop - -L_test_for_length_base_mmx: - - mov edx,eax - shr edx,16 - - test al,16 - jz L_test_for_second_level_length_mmx - and eax,15 - jz L_decode_distance_mmx - - psrlq mm0,mm1 - movd mm1,eax - movd ecx,mm0 - sub ebp,eax - and ecx, [inflate_fast_mask+eax*4] - add edx,ecx - -L_decode_distance_mmx: - psrlq mm0,mm1 - - cmp ebp,32 - ja L_get_dist_code_mmx - - movd mm6,ebp - movd mm7,[esi] - add esi,4 - psllq mm7,mm6 - add ebp,32 - por mm0,mm7 - -L_get_dist_code_mmx: - mov ebx, [esp+12] - pand mm5,mm0 - movd eax,mm5 - movq mm5,mm2 - mov eax, [ebx+eax*4] - -L_dodist_mmx: - - movzx ecx,ah - mov ebx,eax - shr ebx,16 - sub ebp,ecx - movd mm1,ecx - - test al,16 - jz L_test_for_second_level_dist_mmx - and eax,15 - jz L_check_dist_one_mmx - -L_add_bits_to_dist_mmx: - psrlq mm0,mm1 - movd mm1,eax - movd ecx,mm0 - sub ebp,eax - and ecx, [inflate_fast_mask+eax*4] - add ebx,ecx - -L_check_window_mmx: - mov [esp+44],esi - mov eax,edi - sub eax, [esp+40] - - cmp eax,ebx - jb L_clip_window_mmx - - mov ecx,edx - mov esi,edi - sub esi,ebx - - sub ecx,3 - mov al, [esi] - mov [edi],al - mov al, [esi+1] - mov dl, [esi+2] - add esi,3 - mov [edi+1],al - mov [edi+2],dl - add edi,3 - rep movsb - - mov esi, [esp+44] - mov ebx, [esp+8] - jmp L_while_test_mmx - -ALIGN 4 -L_check_dist_one_mmx: - cmp ebx,1 - jne L_check_window_mmx - cmp [esp+40],edi - je L_check_window_mmx - - dec edi - mov ecx,edx - mov al, [edi] - sub ecx,3 - - mov [edi+1],al - mov [edi+2],al - mov [edi+3],al - add edi,4 - rep stosb - - mov ebx, [esp+8] - jmp L_while_test_mmx - -ALIGN 4 -L_test_for_second_level_length_mmx: - test al,64 - jnz L_test_for_end_of_block - - and eax,15 - psrlq mm0,mm1 - movd ecx,mm0 - and ecx, [inflate_fast_mask+eax*4] - add ecx,edx - mov eax, [ebx+ecx*4] - jmp L_dolen_mmx - -ALIGN 4 -L_test_for_second_level_dist_mmx: - test al,64 - jnz L_invalid_distance_code - - and eax,15 - psrlq mm0,mm1 - movd ecx,mm0 - and ecx, [inflate_fast_mask+eax*4] - mov eax, [esp+12] - add ecx,ebx - mov eax, [eax+ecx*4] - jmp L_dodist_mmx - -ALIGN 4 -L_clip_window_mmx: - - mov ecx,eax - mov eax, [esp+52] - neg ecx - mov esi, [esp+56] - - cmp eax,ebx - jb L_invalid_distance_too_far - - add ecx,ebx - cmp dword ptr [esp+48],0 - jne L_wrap_around_window_mmx - - sub eax,ecx - add esi,eax - - cmp edx,ecx - jbe L_do_copy1_mmx - - sub edx,ecx - rep movsb - mov esi,edi - sub esi,ebx - jmp L_do_copy1_mmx - - cmp edx,ecx - jbe L_do_copy1_mmx - - sub edx,ecx - rep movsb - mov esi,edi - sub esi,ebx - jmp L_do_copy1_mmx - -L_wrap_around_window_mmx: - - mov eax, [esp+48] - cmp ecx,eax - jbe L_contiguous_in_window_mmx - - add esi, [esp+52] - add esi,eax - sub esi,ecx - sub ecx,eax - - - cmp edx,ecx - jbe L_do_copy1_mmx - - sub edx,ecx - rep movsb - mov esi, [esp+56] - mov ecx, [esp+48] - cmp edx,ecx - jbe L_do_copy1_mmx - - sub edx,ecx - rep movsb - mov esi,edi - sub esi,ebx - jmp L_do_copy1_mmx - -L_contiguous_in_window_mmx: - - add esi,eax - sub esi,ecx - - - cmp edx,ecx - jbe L_do_copy1_mmx - - sub edx,ecx - rep movsb - mov esi,edi - sub esi,ebx - -L_do_copy1_mmx: - - - mov ecx,edx - rep movsb - - mov esi, [esp+44] - mov ebx, [esp+8] - jmp L_while_test_mmx -; 1174 "inffast.S" -L_invalid_distance_code: - - - - - - mov ecx, invalid_distance_code_msg - mov edx,26 - jmp L_update_stream_state - -L_test_for_end_of_block: - - - - - - test al,32 - jz L_invalid_literal_length_code - - mov ecx,0 - mov edx,11 - jmp L_update_stream_state - -L_invalid_literal_length_code: - - - - - - mov ecx, invalid_literal_length_code_msg - mov edx,26 - jmp L_update_stream_state - -L_invalid_distance_too_far: - - - - mov esi, [esp+44] - mov ecx, invalid_distance_too_far_msg - mov edx,26 - jmp L_update_stream_state - -L_update_stream_state: - - mov eax, [esp+88] - test ecx,ecx - jz L_skip_msg - mov [eax+24],ecx -L_skip_msg: - mov eax, [eax+28] - mov [eax+mode_state],edx - jmp L_break_loop - -ALIGN 4 -L_break_loop: -; 1243 "inffast.S" - cmp dword ptr [inflate_fast_use_mmx],2 - jne L_update_next_in - - - - mov ebx,ebp - -L_update_next_in: -; 1266 "inffast.S" - mov eax, [esp+88] - mov ecx,ebx - mov edx, [eax+28] - shr ecx,3 - sub esi,ecx - shl ecx,3 - sub ebx,ecx - mov [eax+12],edi - mov [edx+bits_state],ebx - mov ecx,ebx - - lea ebx, [esp+28] - cmp [esp+20],ebx - jne L_buf_not_used - - sub esi,ebx - mov ebx, [eax+0] - mov [esp+20],ebx - add esi,ebx - mov ebx, [eax+4] - sub ebx,11 - add [esp+20],ebx - -L_buf_not_used: - mov [eax+0],esi - - mov ebx,1 - shl ebx,cl - dec ebx - - - - - - cmp dword ptr [inflate_fast_use_mmx],2 - jne L_update_hold - - - - psrlq mm0,mm1 - movd ebp,mm0 - - emms - -L_update_hold: - - - - and ebp,ebx - mov [edx+hold_state],ebp - - - - - mov ebx, [esp+20] - cmp ebx,esi - jbe L_last_is_smaller - - sub ebx,esi - add ebx,11 - mov [eax+4],ebx - jmp L_fixup_out -L_last_is_smaller: - sub esi,ebx - neg esi - add esi,11 - mov [eax+4],esi - - - - -L_fixup_out: - - mov ebx, [esp+16] - cmp ebx,edi - jbe L_end_is_smaller - - sub ebx,edi - add ebx,257 - mov [eax+16],ebx - jmp L_done -L_end_is_smaller: - sub edi,ebx - neg edi - add edi,257 - mov [eax+16],edi - - - - - -L_done: - add esp,64 - popfd - pop ebx - pop ebp - pop esi - pop edi - ret - - - - -_TEXT ends -end +;/* inffas32.asm is a hand tuned assembler version of inffast.c -- fast decoding +; * +; * inffas32.asm is derivated from inffas86.c, with translation of assembly code +; * +; * Copyright (C) 1995-2003 Mark Adler +; * For conditions of distribution and use, see copyright notice in zlib.h +; * +; * Copyright (C) 2003 Chris Anderson +; * Please use the copyright conditions above. +; * +; * Mar-13-2003 -- Most of this is derived from inffast.S which is derived from +; * the gcc -S output of zlib-1.2.0/inffast.c. Zlib-1.2.0 is in beta release at +; * the moment. I have successfully compiled and tested this code with gcc2.96, +; * gcc3.2, icc5.0, msvc6.0. It is very close to the speed of inffast.S +; * compiled with gcc -DNO_MMX, but inffast.S is still faster on the P3 with MMX +; * enabled. I will attempt to merge the MMX code into this version. Newer +; * versions of this and inffast.S can be found at +; * http://www.eetbeetee.com/zlib/ and http://www.charm.net/~christop/zlib/ +; * +; * 2005 : modification by Gilles Vollant +; */ +; For Visual C++ 4.x and higher and ML 6.x and higher +; ml.exe is in directory \MASM611C of Win95 DDK +; ml.exe is also distributed in http://www.masm32.com/masmdl.htm +; and in VC++2003 toolkit at http://msdn.microsoft.com/visualc/vctoolkit2003/ +; +; +; compile with command line option +; ml /coff /Zi /c /Flinffas32.lst inffas32.asm + +; if you define NO_GZIP (see inflate.h), compile with +; ml /coff /Zi /c /Flinffas32.lst /DNO_GUNZIP inffas32.asm + + +; zlib122sup is 0 fort zlib 1.2.2.1 and lower +; zlib122sup is 8 fort zlib 1.2.2.2 and more (with addition of dmax and head +; in inflate_state in inflate.h) +zlib1222sup equ 8 + + +IFDEF GUNZIP + INFLATE_MODE_TYPE equ 11 + INFLATE_MODE_BAD equ 26 +ELSE + IFNDEF NO_GUNZIP + INFLATE_MODE_TYPE equ 11 + INFLATE_MODE_BAD equ 26 + ELSE + INFLATE_MODE_TYPE equ 3 + INFLATE_MODE_BAD equ 17 + ENDIF +ENDIF + + +; 75 "inffast.S" +;FILE "inffast.S" + +;;;GLOBAL _inflate_fast + +;;;SECTION .text + + + + .586p + .mmx + + name inflate_fast_x86 + .MODEL FLAT + +_DATA segment +inflate_fast_use_mmx: + dd 1 + + +_TEXT segment +PUBLIC _inflate_fast + +ALIGN 4 +_inflate_fast: + jmp inflate_fast_entry + + + +ALIGN 4 + db 'Fast decoding Code from Chris Anderson' + db 0 + +ALIGN 4 +invalid_literal_length_code_msg: + db 'invalid literal/length code' + db 0 + +ALIGN 4 +invalid_distance_code_msg: + db 'invalid distance code' + db 0 + +ALIGN 4 +invalid_distance_too_far_msg: + db 'invalid distance too far back' + db 0 + + +ALIGN 4 +inflate_fast_mask: +dd 0 +dd 1 +dd 3 +dd 7 +dd 15 +dd 31 +dd 63 +dd 127 +dd 255 +dd 511 +dd 1023 +dd 2047 +dd 4095 +dd 8191 +dd 16383 +dd 32767 +dd 65535 +dd 131071 +dd 262143 +dd 524287 +dd 1048575 +dd 2097151 +dd 4194303 +dd 8388607 +dd 16777215 +dd 33554431 +dd 67108863 +dd 134217727 +dd 268435455 +dd 536870911 +dd 1073741823 +dd 2147483647 +dd 4294967295 + + +mode_state equ 0 ;/* state->mode */ +wsize_state equ (32+zlib1222sup) ;/* state->wsize */ +write_state equ (36+4+zlib1222sup) ;/* state->write */ +window_state equ (40+4+zlib1222sup) ;/* state->window */ +hold_state equ (44+4+zlib1222sup) ;/* state->hold */ +bits_state equ (48+4+zlib1222sup) ;/* state->bits */ +lencode_state equ (64+4+zlib1222sup) ;/* state->lencode */ +distcode_state equ (68+4+zlib1222sup) ;/* state->distcode */ +lenbits_state equ (72+4+zlib1222sup) ;/* state->lenbits */ +distbits_state equ (76+4+zlib1222sup) ;/* state->distbits */ + + +;;SECTION .text +; 205 "inffast.S" +;GLOBAL inflate_fast_use_mmx + +;SECTION .data + + +; GLOBAL inflate_fast_use_mmx:object +;.size inflate_fast_use_mmx, 4 +; 226 "inffast.S" +;SECTION .text + +ALIGN 4 +inflate_fast_entry: + push edi + push esi + push ebp + push ebx + pushfd + sub esp,64 + cld + + + + + mov esi, [esp+88] + mov edi, [esi+28] + + + + + + + + mov edx, [esi+4] + mov eax, [esi+0] + + add edx,eax + sub edx,11 + + mov [esp+44],eax + mov [esp+20],edx + + mov ebp, [esp+92] + mov ecx, [esi+16] + mov ebx, [esi+12] + + sub ebp,ecx + neg ebp + add ebp,ebx + + sub ecx,257 + add ecx,ebx + + mov [esp+60],ebx + mov [esp+40],ebp + mov [esp+16],ecx +; 285 "inffast.S" + mov eax, [edi+lencode_state] + mov ecx, [edi+distcode_state] + + mov [esp+8],eax + mov [esp+12],ecx + + mov eax,1 + mov ecx, [edi+lenbits_state] + shl eax,cl + dec eax + mov [esp+0],eax + + mov eax,1 + mov ecx, [edi+distbits_state] + shl eax,cl + dec eax + mov [esp+4],eax + + mov eax, [edi+wsize_state] + mov ecx, [edi+write_state] + mov edx, [edi+window_state] + + mov [esp+52],eax + mov [esp+48],ecx + mov [esp+56],edx + + mov ebp, [edi+hold_state] + mov ebx, [edi+bits_state] +; 321 "inffast.S" + mov esi, [esp+44] + mov ecx, [esp+20] + cmp ecx,esi + ja L_align_long + + add ecx,11 + sub ecx,esi + mov eax,12 + sub eax,ecx + lea edi, [esp+28] + rep movsb + mov ecx,eax + xor eax,eax + rep stosb + lea esi, [esp+28] + mov [esp+20],esi + jmp L_is_aligned + + +L_align_long: + test esi,3 + jz L_is_aligned + xor eax,eax + mov al, [esi] + inc esi + mov ecx,ebx + add ebx,8 + shl eax,cl + or ebp,eax + jmp L_align_long + +L_is_aligned: + mov edi, [esp+60] +; 366 "inffast.S" +L_check_mmx: + cmp dword ptr [inflate_fast_use_mmx],2 + je L_init_mmx + ja L_do_loop + + push eax + push ebx + push ecx + push edx + pushfd + mov eax, [esp] + xor dword ptr [esp],0200000h + + + + + popfd + pushfd + pop edx + xor edx,eax + jz L_dont_use_mmx + xor eax,eax + cpuid + cmp ebx,0756e6547h + jne L_dont_use_mmx + cmp ecx,06c65746eh + jne L_dont_use_mmx + cmp edx,049656e69h + jne L_dont_use_mmx + mov eax,1 + cpuid + shr eax,8 + and eax,15 + cmp eax,6 + jne L_dont_use_mmx + test edx,0800000h + jnz L_use_mmx + jmp L_dont_use_mmx +L_use_mmx: + mov dword ptr [inflate_fast_use_mmx],2 + jmp L_check_mmx_pop +L_dont_use_mmx: + mov dword ptr [inflate_fast_use_mmx],3 +L_check_mmx_pop: + pop edx + pop ecx + pop ebx + pop eax + jmp L_check_mmx +; 426 "inffast.S" +ALIGN 4 +L_do_loop: +; 437 "inffast.S" + cmp bl,15 + ja L_get_length_code + + xor eax,eax + lodsw + mov cl,bl + add bl,16 + shl eax,cl + or ebp,eax + +L_get_length_code: + mov edx, [esp+0] + mov ecx, [esp+8] + and edx,ebp + mov eax, [ecx+edx*4] + +L_dolen: + + + + + + + mov cl,ah + sub bl,ah + shr ebp,cl + + + + + + + test al,al + jnz L_test_for_length_base + + shr eax,16 + stosb + +L_while_test: + + + cmp [esp+16],edi + jbe L_break_loop + + cmp [esp+20],esi + ja L_do_loop + jmp L_break_loop + +L_test_for_length_base: +; 502 "inffast.S" + mov edx,eax + shr edx,16 + mov cl,al + + test al,16 + jz L_test_for_second_level_length + and cl,15 + jz L_save_len + cmp bl,cl + jae L_add_bits_to_len + + mov ch,cl + xor eax,eax + lodsw + mov cl,bl + add bl,16 + shl eax,cl + or ebp,eax + mov cl,ch + +L_add_bits_to_len: + mov eax,1 + shl eax,cl + dec eax + sub bl,cl + and eax,ebp + shr ebp,cl + add edx,eax + +L_save_len: + mov [esp+24],edx + + +L_decode_distance: +; 549 "inffast.S" + cmp bl,15 + ja L_get_distance_code + + xor eax,eax + lodsw + mov cl,bl + add bl,16 + shl eax,cl + or ebp,eax + +L_get_distance_code: + mov edx, [esp+4] + mov ecx, [esp+12] + and edx,ebp + mov eax, [ecx+edx*4] + + +L_dodist: + mov edx,eax + shr edx,16 + mov cl,ah + sub bl,ah + shr ebp,cl +; 584 "inffast.S" + mov cl,al + + test al,16 + jz L_test_for_second_level_dist + and cl,15 + jz L_check_dist_one + cmp bl,cl + jae L_add_bits_to_dist + + mov ch,cl + xor eax,eax + lodsw + mov cl,bl + add bl,16 + shl eax,cl + or ebp,eax + mov cl,ch + +L_add_bits_to_dist: + mov eax,1 + shl eax,cl + dec eax + sub bl,cl + and eax,ebp + shr ebp,cl + add edx,eax + jmp L_check_window + +L_check_window: +; 625 "inffast.S" + mov [esp+44],esi + mov eax,edi + sub eax, [esp+40] + + cmp eax,edx + jb L_clip_window + + mov ecx, [esp+24] + mov esi,edi + sub esi,edx + + sub ecx,3 + mov al, [esi] + mov [edi],al + mov al, [esi+1] + mov dl, [esi+2] + add esi,3 + mov [edi+1],al + mov [edi+2],dl + add edi,3 + rep movsb + + mov esi, [esp+44] + jmp L_while_test + +ALIGN 4 +L_check_dist_one: + cmp edx,1 + jne L_check_window + cmp [esp+40],edi + je L_check_window + + dec edi + mov ecx, [esp+24] + mov al, [edi] + sub ecx,3 + + mov [edi+1],al + mov [edi+2],al + mov [edi+3],al + add edi,4 + rep stosb + + jmp L_while_test + +ALIGN 4 +L_test_for_second_level_length: + + + + + test al,64 + jnz L_test_for_end_of_block + + mov eax,1 + shl eax,cl + dec eax + and eax,ebp + add eax,edx + mov edx, [esp+8] + mov eax, [edx+eax*4] + jmp L_dolen + +ALIGN 4 +L_test_for_second_level_dist: + + + + + test al,64 + jnz L_invalid_distance_code + + mov eax,1 + shl eax,cl + dec eax + and eax,ebp + add eax,edx + mov edx, [esp+12] + mov eax, [edx+eax*4] + jmp L_dodist + +ALIGN 4 +L_clip_window: +; 721 "inffast.S" + mov ecx,eax + mov eax, [esp+52] + neg ecx + mov esi, [esp+56] + + cmp eax,edx + jb L_invalid_distance_too_far + + add ecx,edx + cmp dword ptr [esp+48],0 + jne L_wrap_around_window + + sub eax,ecx + add esi,eax +; 749 "inffast.S" + mov eax, [esp+24] + cmp eax,ecx + jbe L_do_copy1 + + sub eax,ecx + rep movsb + mov esi,edi + sub esi,edx + jmp L_do_copy1 + + cmp eax,ecx + jbe L_do_copy1 + + sub eax,ecx + rep movsb + mov esi,edi + sub esi,edx + jmp L_do_copy1 + +L_wrap_around_window: +; 793 "inffast.S" + mov eax, [esp+48] + cmp ecx,eax + jbe L_contiguous_in_window + + add esi, [esp+52] + add esi,eax + sub esi,ecx + sub ecx,eax + + + mov eax, [esp+24] + cmp eax,ecx + jbe L_do_copy1 + + sub eax,ecx + rep movsb + mov esi, [esp+56] + mov ecx, [esp+48] + cmp eax,ecx + jbe L_do_copy1 + + sub eax,ecx + rep movsb + mov esi,edi + sub esi,edx + jmp L_do_copy1 + +L_contiguous_in_window: +; 836 "inffast.S" + add esi,eax + sub esi,ecx + + + mov eax, [esp+24] + cmp eax,ecx + jbe L_do_copy1 + + sub eax,ecx + rep movsb + mov esi,edi + sub esi,edx + +L_do_copy1: +; 862 "inffast.S" + mov ecx,eax + rep movsb + + mov esi, [esp+44] + jmp L_while_test +; 878 "inffast.S" +ALIGN 4 +L_init_mmx: + emms + + + + + + movd mm0,ebp + mov ebp,ebx +; 896 "inffast.S" + movd mm4,[esp+0] + movq mm3,mm4 + movd mm5,[esp+4] + movq mm2,mm5 + pxor mm1,mm1 + mov ebx, [esp+8] + jmp L_do_loop_mmx + +ALIGN 4 +L_do_loop_mmx: + psrlq mm0,mm1 + + cmp ebp,32 + ja L_get_length_code_mmx + + movd mm6,ebp + movd mm7,[esi] + add esi,4 + psllq mm7,mm6 + add ebp,32 + por mm0,mm7 + +L_get_length_code_mmx: + pand mm4,mm0 + movd eax,mm4 + movq mm4,mm3 + mov eax, [ebx+eax*4] + +L_dolen_mmx: + movzx ecx,ah + movd mm1,ecx + sub ebp,ecx + + test al,al + jnz L_test_for_length_base_mmx + + shr eax,16 + stosb + +L_while_test_mmx: + + + cmp [esp+16],edi + jbe L_break_loop + + cmp [esp+20],esi + ja L_do_loop_mmx + jmp L_break_loop + +L_test_for_length_base_mmx: + + mov edx,eax + shr edx,16 + + test al,16 + jz L_test_for_second_level_length_mmx + and eax,15 + jz L_decode_distance_mmx + + psrlq mm0,mm1 + movd mm1,eax + movd ecx,mm0 + sub ebp,eax + and ecx, [inflate_fast_mask+eax*4] + add edx,ecx + +L_decode_distance_mmx: + psrlq mm0,mm1 + + cmp ebp,32 + ja L_get_dist_code_mmx + + movd mm6,ebp + movd mm7,[esi] + add esi,4 + psllq mm7,mm6 + add ebp,32 + por mm0,mm7 + +L_get_dist_code_mmx: + mov ebx, [esp+12] + pand mm5,mm0 + movd eax,mm5 + movq mm5,mm2 + mov eax, [ebx+eax*4] + +L_dodist_mmx: + + movzx ecx,ah + mov ebx,eax + shr ebx,16 + sub ebp,ecx + movd mm1,ecx + + test al,16 + jz L_test_for_second_level_dist_mmx + and eax,15 + jz L_check_dist_one_mmx + +L_add_bits_to_dist_mmx: + psrlq mm0,mm1 + movd mm1,eax + movd ecx,mm0 + sub ebp,eax + and ecx, [inflate_fast_mask+eax*4] + add ebx,ecx + +L_check_window_mmx: + mov [esp+44],esi + mov eax,edi + sub eax, [esp+40] + + cmp eax,ebx + jb L_clip_window_mmx + + mov ecx,edx + mov esi,edi + sub esi,ebx + + sub ecx,3 + mov al, [esi] + mov [edi],al + mov al, [esi+1] + mov dl, [esi+2] + add esi,3 + mov [edi+1],al + mov [edi+2],dl + add edi,3 + rep movsb + + mov esi, [esp+44] + mov ebx, [esp+8] + jmp L_while_test_mmx + +ALIGN 4 +L_check_dist_one_mmx: + cmp ebx,1 + jne L_check_window_mmx + cmp [esp+40],edi + je L_check_window_mmx + + dec edi + mov ecx,edx + mov al, [edi] + sub ecx,3 + + mov [edi+1],al + mov [edi+2],al + mov [edi+3],al + add edi,4 + rep stosb + + mov ebx, [esp+8] + jmp L_while_test_mmx + +ALIGN 4 +L_test_for_second_level_length_mmx: + test al,64 + jnz L_test_for_end_of_block + + and eax,15 + psrlq mm0,mm1 + movd ecx,mm0 + and ecx, [inflate_fast_mask+eax*4] + add ecx,edx + mov eax, [ebx+ecx*4] + jmp L_dolen_mmx + +ALIGN 4 +L_test_for_second_level_dist_mmx: + test al,64 + jnz L_invalid_distance_code + + and eax,15 + psrlq mm0,mm1 + movd ecx,mm0 + and ecx, [inflate_fast_mask+eax*4] + mov eax, [esp+12] + add ecx,ebx + mov eax, [eax+ecx*4] + jmp L_dodist_mmx + +ALIGN 4 +L_clip_window_mmx: + + mov ecx,eax + mov eax, [esp+52] + neg ecx + mov esi, [esp+56] + + cmp eax,ebx + jb L_invalid_distance_too_far + + add ecx,ebx + cmp dword ptr [esp+48],0 + jne L_wrap_around_window_mmx + + sub eax,ecx + add esi,eax + + cmp edx,ecx + jbe L_do_copy1_mmx + + sub edx,ecx + rep movsb + mov esi,edi + sub esi,ebx + jmp L_do_copy1_mmx + + cmp edx,ecx + jbe L_do_copy1_mmx + + sub edx,ecx + rep movsb + mov esi,edi + sub esi,ebx + jmp L_do_copy1_mmx + +L_wrap_around_window_mmx: + + mov eax, [esp+48] + cmp ecx,eax + jbe L_contiguous_in_window_mmx + + add esi, [esp+52] + add esi,eax + sub esi,ecx + sub ecx,eax + + + cmp edx,ecx + jbe L_do_copy1_mmx + + sub edx,ecx + rep movsb + mov esi, [esp+56] + mov ecx, [esp+48] + cmp edx,ecx + jbe L_do_copy1_mmx + + sub edx,ecx + rep movsb + mov esi,edi + sub esi,ebx + jmp L_do_copy1_mmx + +L_contiguous_in_window_mmx: + + add esi,eax + sub esi,ecx + + + cmp edx,ecx + jbe L_do_copy1_mmx + + sub edx,ecx + rep movsb + mov esi,edi + sub esi,ebx + +L_do_copy1_mmx: + + + mov ecx,edx + rep movsb + + mov esi, [esp+44] + mov ebx, [esp+8] + jmp L_while_test_mmx +; 1174 "inffast.S" +L_invalid_distance_code: + + + + + + mov ecx, invalid_distance_code_msg + mov edx,INFLATE_MODE_BAD + jmp L_update_stream_state + +L_test_for_end_of_block: + + + + + + test al,32 + jz L_invalid_literal_length_code + + mov ecx,0 + mov edx,INFLATE_MODE_TYPE + jmp L_update_stream_state + +L_invalid_literal_length_code: + + + + + + mov ecx, invalid_literal_length_code_msg + mov edx,INFLATE_MODE_BAD + jmp L_update_stream_state + +L_invalid_distance_too_far: + + + + mov esi, [esp+44] + mov ecx, invalid_distance_too_far_msg + mov edx,INFLATE_MODE_BAD + jmp L_update_stream_state + +L_update_stream_state: + + mov eax, [esp+88] + test ecx,ecx + jz L_skip_msg + mov [eax+24],ecx +L_skip_msg: + mov eax, [eax+28] + mov [eax+mode_state],edx + jmp L_break_loop + +ALIGN 4 +L_break_loop: +; 1243 "inffast.S" + cmp dword ptr [inflate_fast_use_mmx],2 + jne L_update_next_in + + + + mov ebx,ebp + +L_update_next_in: +; 1266 "inffast.S" + mov eax, [esp+88] + mov ecx,ebx + mov edx, [eax+28] + shr ecx,3 + sub esi,ecx + shl ecx,3 + sub ebx,ecx + mov [eax+12],edi + mov [edx+bits_state],ebx + mov ecx,ebx + + lea ebx, [esp+28] + cmp [esp+20],ebx + jne L_buf_not_used + + sub esi,ebx + mov ebx, [eax+0] + mov [esp+20],ebx + add esi,ebx + mov ebx, [eax+4] + sub ebx,11 + add [esp+20],ebx + +L_buf_not_used: + mov [eax+0],esi + + mov ebx,1 + shl ebx,cl + dec ebx + + + + + + cmp dword ptr [inflate_fast_use_mmx],2 + jne L_update_hold + + + + psrlq mm0,mm1 + movd ebp,mm0 + + emms + +L_update_hold: + + + + and ebp,ebx + mov [edx+hold_state],ebp + + + + + mov ebx, [esp+20] + cmp ebx,esi + jbe L_last_is_smaller + + sub ebx,esi + add ebx,11 + mov [eax+4],ebx + jmp L_fixup_out +L_last_is_smaller: + sub esi,ebx + neg esi + add esi,11 + mov [eax+4],esi + + + + +L_fixup_out: + + mov ebx, [esp+16] + cmp ebx,edi + jbe L_end_is_smaller + + sub ebx,edi + add ebx,257 + mov [eax+16],ebx + jmp L_done +L_end_is_smaller: + sub edi,ebx + neg edi + add edi,257 + mov [eax+16],edi + + + + + +L_done: + add esp,64 + popfd + pop ebx + pop ebp + pop esi + pop edi + ret + +_TEXT ends +end diff --git a/contrib/minizip/ChangeLogUnzip b/contrib/minizip/ChangeLogUnzip index 4be4d16..e62af14 100644 --- a/contrib/minizip/ChangeLogUnzip +++ b/contrib/minizip/ChangeLogUnzip @@ -1,63 +1,67 @@ -Change in 1.01b (20 may 04) -- Integrate patch from Debian package (submited by Mark Brown) -- Add tools mztools from Xavier Roche - -Change in 1.01 (8 may 04) -- fix buffer overrun risk in unzip.c (Xavier Roche) -- fix a minor buffer insecurity in minizip.c (Mike Whittaker) - -Change in 1.00: (10 sept 03) -- rename to 1.00 -- cosmetic code change - -Change in 0.22: (19 May 03) -- crypting support (unless you define NOCRYPT) -- append file in existing zipfile - -Change in 0.21: (10 Mar 03) -- bug fixes - -Change in 0.17: (27 Jan 02) -- bug fixes - -Change in 0.16: (19 Jan 02) -- Support of ioapi for virtualize zip file access - -Change in 0.15: (19 Mar 98) -- fix memory leak in minizip.c - -Change in 0.14: (10 Mar 98) -- fix bugs in minizip.c sample for zipping big file -- fix problem in month in date handling -- fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for - comment handling - -Change in 0.13: (6 Mar 98) -- fix bugs in zip.c -- add real minizip sample - -Change in 0.12: (4 Mar 98) -- add zip.c and zip.h for creates .zip file -- fix change_file_date in miniunz.c for Unix (Jean-loup Gailly) -- fix miniunz.c for file without specific record for directory - -Change in 0.11: (3 Mar 98) -- fix bug in unzGetCurrentFileInfo for get extra field and comment -- enhance miniunz sample, remove the bad unztst.c sample - -Change in 0.10: (2 Mar 98) -- fix bug in unzReadCurrentFile -- rename unzip* to unz* function and structure -- remove Windows-like hungary notation variable name -- modify some structure in unzip.h -- add somes comment in source -- remove unzipGetcCurrentFile function -- replace ZUNZEXPORT by ZEXPORT -- add unzGetLocalExtrafield for get the local extrafield info -- add a new sample, miniunz.c - -Change in 0.4: (25 Feb 98) -- suppress the type unzipFileInZip. - Only on file in the zipfile can be open at the same time -- fix somes typo in code -- added tm_unz structure in unzip_file_info (date/time in readable format) +Change in 1.01e (12 feb 05) +- Fix in zipOpen2 for globalcomment (Rolf Kalbermatter) +- Fix possible memory leak in unzip.c (Zoran Stevanovic) + +Change in 1.01b (20 may 04) +- Integrate patch from Debian package (submited by Mark Brown) +- Add tools mztools from Xavier Roche + +Change in 1.01 (8 may 04) +- fix buffer overrun risk in unzip.c (Xavier Roche) +- fix a minor buffer insecurity in minizip.c (Mike Whittaker) + +Change in 1.00: (10 sept 03) +- rename to 1.00 +- cosmetic code change + +Change in 0.22: (19 May 03) +- crypting support (unless you define NOCRYPT) +- append file in existing zipfile + +Change in 0.21: (10 Mar 03) +- bug fixes + +Change in 0.17: (27 Jan 02) +- bug fixes + +Change in 0.16: (19 Jan 02) +- Support of ioapi for virtualize zip file access + +Change in 0.15: (19 Mar 98) +- fix memory leak in minizip.c + +Change in 0.14: (10 Mar 98) +- fix bugs in minizip.c sample for zipping big file +- fix problem in month in date handling +- fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for + comment handling + +Change in 0.13: (6 Mar 98) +- fix bugs in zip.c +- add real minizip sample + +Change in 0.12: (4 Mar 98) +- add zip.c and zip.h for creates .zip file +- fix change_file_date in miniunz.c for Unix (Jean-loup Gailly) +- fix miniunz.c for file without specific record for directory + +Change in 0.11: (3 Mar 98) +- fix bug in unzGetCurrentFileInfo for get extra field and comment +- enhance miniunz sample, remove the bad unztst.c sample + +Change in 0.10: (2 Mar 98) +- fix bug in unzReadCurrentFile +- rename unzip* to unz* function and structure +- remove Windows-like hungary notation variable name +- modify some structure in unzip.h +- add somes comment in source +- remove unzipGetcCurrentFile function +- replace ZUNZEXPORT by ZEXPORT +- add unzGetLocalExtrafield for get the local extrafield info +- add a new sample, miniunz.c + +Change in 0.4: (25 Feb 98) +- suppress the type unzipFileInZip. + Only on file in the zipfile can be open at the same time +- fix somes typo in code +- added tm_unz structure in unzip_file_info (date/time in readable format) diff --git a/contrib/minizip/Makefile b/contrib/minizip/Makefile index 84eaad2..fbba3ac 100644 --- a/contrib/minizip/Makefile +++ b/contrib/minizip/Makefile @@ -1,25 +1,25 @@ -CC=cc -CFLAGS=-O -I../.. - -UNZ_OBJS = miniunz.o unzip.o ioapi.o ../../libz.a -ZIP_OBJS = minizip.o zip.o ioapi.o ../../libz.a - -.c.o: - $(CC) -c $(CFLAGS) $*.c - -all: miniunz minizip - -miniunz: $(UNZ_OBJS) - $(CC) $(CFLAGS) -o $@ $(UNZ_OBJS) - -minizip: $(ZIP_OBJS) - $(CC) $(CFLAGS) -o $@ $(ZIP_OBJS) - -test: miniunz minizip - ./minizip test readme.txt - ./miniunz -l test.zip - mv readme.txt readme.old - ./miniunz test.zip - -clean: - /bin/rm -f *.o *~ minizip miniunz +CC=cc +CFLAGS=-O -I../.. + +UNZ_OBJS = miniunz.o unzip.o ioapi.o ../../libz.a +ZIP_OBJS = minizip.o zip.o ioapi.o ../../libz.a + +.c.o: + $(CC) -c $(CFLAGS) $*.c + +all: miniunz minizip + +miniunz: $(UNZ_OBJS) + $(CC) $(CFLAGS) -o $@ $(UNZ_OBJS) + +minizip: $(ZIP_OBJS) + $(CC) $(CFLAGS) -o $@ $(ZIP_OBJS) + +test: miniunz minizip + ./minizip test readme.txt + ./miniunz -l test.zip + mv readme.txt readme.old + ./miniunz test.zip + +clean: + /bin/rm -f *.o *~ minizip miniunz diff --git a/contrib/minizip/crypt.h b/contrib/minizip/crypt.h index 7f8a634..f14a628 100644 --- a/contrib/minizip/crypt.h +++ b/contrib/minizip/crypt.h @@ -1,132 +1,132 @@ -/* crypt.h -- base code for crypt/uncrypt ZIPfile - - - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant - - This code is a modified version of crypting code in Infozip distribution - - The encryption/decryption parts of this source code (as opposed to the - non-echoing password parts) were originally written in Europe. The - whole source package can be freely distributed, including from the USA. - (Prior to January 2000, re-export from the US was a violation of US law.) - - This encryption code is a direct transcription of the algorithm from - Roger Schlafly, described by Phil Katz in the file appnote.txt. This - file (appnote.txt) is distributed with the PKZIP program (even in the - version without encryption capabilities). - - If you don't need crypting in your application, just define symbols - NOCRYPT and NOUNCRYPT. - - This code support the "Traditional PKWARE Encryption". - - The new AES encryption added on Zip format by Winzip (see the page - http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong - Encryption is not supported. -*/ - -#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) - -/*********************************************************************** - * Return the next byte in the pseudo-random sequence - */ -static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) -{ - unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an - * unpredictable manner on 16-bit systems; not a problem - * with any known compiler so far, though */ - - temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; - return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); -} - -/*********************************************************************** - * Update the encryption keys with the next byte of plain text - */ -static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) -{ - (*(pkeys+0)) = CRC32((*(pkeys+0)), c); - (*(pkeys+1)) += (*(pkeys+0)) & 0xff; - (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; - { - register int keyshift = (int)((*(pkeys+1)) >> 24); - (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); - } - return c; -} - - -/*********************************************************************** - * Initialize the encryption keys and the random header according to - * the given password. - */ -static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) -{ - *(pkeys+0) = 305419896L; - *(pkeys+1) = 591751049L; - *(pkeys+2) = 878082192L; - while (*passwd != '\0') { - update_keys(pkeys,pcrc_32_tab,(int)*passwd); - passwd++; - } -} - -#define zdecode(pkeys,pcrc_32_tab,c) \ - (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) - -#define zencode(pkeys,pcrc_32_tab,c,t) \ - (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) - -#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED - -#define RAND_HEAD_LEN 12 - /* "last resort" source for second part of crypt seed pattern */ -# ifndef ZCR_SEED2 -# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ -# endif - -static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) - const char *passwd; /* password string */ - unsigned char *buf; /* where to write header */ - int bufSize; - unsigned long* pkeys; - const unsigned long* pcrc_32_tab; - unsigned long crcForCrypting; -{ - int n; /* index in random header */ - int t; /* temporary */ - int c; /* random byte */ - unsigned char header[RAND_HEAD_LEN-2]; /* random header */ - static unsigned calls = 0; /* ensure different random header each time */ - - if (bufSize> 7) & 0xff; - header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t); - } - /* Encrypt random header (last two bytes is high word of crc) */ - init_keys(passwd, pkeys, pcrc_32_tab); - for (n = 0; n < RAND_HEAD_LEN-2; n++) - { - buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); - } - buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); - buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); - return n; -} - -#endif +/* crypt.h -- base code for crypt/uncrypt ZIPfile + + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This code is a modified version of crypting code in Infozip distribution + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + If you don't need crypting in your application, just define symbols + NOCRYPT and NOUNCRYPT. + + This code support the "Traditional PKWARE Encryption". + + The new AES encryption added on Zip format by Winzip (see the page + http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong + Encryption is not supported. +*/ + +#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) + +/*********************************************************************** + * Return the next byte in the pseudo-random sequence + */ +static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) +{ + unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an + * unpredictable manner on 16-bit systems; not a problem + * with any known compiler so far, though */ + + temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; + return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); +} + +/*********************************************************************** + * Update the encryption keys with the next byte of plain text + */ +static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) +{ + (*(pkeys+0)) = CRC32((*(pkeys+0)), c); + (*(pkeys+1)) += (*(pkeys+0)) & 0xff; + (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; + { + register int keyshift = (int)((*(pkeys+1)) >> 24); + (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); + } + return c; +} + + +/*********************************************************************** + * Initialize the encryption keys and the random header according to + * the given password. + */ +static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) +{ + *(pkeys+0) = 305419896L; + *(pkeys+1) = 591751049L; + *(pkeys+2) = 878082192L; + while (*passwd != '\0') { + update_keys(pkeys,pcrc_32_tab,(int)*passwd); + passwd++; + } +} + +#define zdecode(pkeys,pcrc_32_tab,c) \ + (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) + +#define zencode(pkeys,pcrc_32_tab,c,t) \ + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) + +#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED + +#define RAND_HEAD_LEN 12 + /* "last resort" source for second part of crypt seed pattern */ +# ifndef ZCR_SEED2 +# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ +# endif + +static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) + const char *passwd; /* password string */ + unsigned char *buf; /* where to write header */ + int bufSize; + unsigned long* pkeys; + const unsigned long* pcrc_32_tab; + unsigned long crcForCrypting; +{ + int n; /* index in random header */ + int t; /* temporary */ + int c; /* random byte */ + unsigned char header[RAND_HEAD_LEN-2]; /* random header */ + static unsigned calls = 0; /* ensure different random header each time */ + + if (bufSize> 7) & 0xff; + header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t); + } + /* Encrypt random header (last two bytes is high word of crc) */ + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN-2; n++) + { + buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); + } + buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); + buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); + return n; +} + +#endif diff --git a/contrib/minizip/ioapi.c b/contrib/minizip/ioapi.c index c9e69f2..7f20c18 100644 --- a/contrib/minizip/ioapi.c +++ b/contrib/minizip/ioapi.c @@ -1,177 +1,177 @@ -/* ioapi.c -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant -*/ - -#include -#include -#include - -#include "zlib.h" -#include "ioapi.h" - - - -/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ - -#ifndef SEEK_CUR -#define SEEK_CUR 1 -#endif - -#ifndef SEEK_END -#define SEEK_END 2 -#endif - -#ifndef SEEK_SET -#define SEEK_SET 0 -#endif - -voidpf ZCALLBACK fopen_file_func OF(( - voidpf opaque, - const char* filename, - int mode)); - -uLong ZCALLBACK fread_file_func OF(( - voidpf opaque, - voidpf stream, - void* buf, - uLong size)); - -uLong ZCALLBACK fwrite_file_func OF(( - voidpf opaque, - voidpf stream, - const void* buf, - uLong size)); - -long ZCALLBACK ftell_file_func OF(( - voidpf opaque, - voidpf stream)); - -long ZCALLBACK fseek_file_func OF(( - voidpf opaque, - voidpf stream, - uLong offset, - int origin)); - -int ZCALLBACK fclose_file_func OF(( - voidpf opaque, - voidpf stream)); - -int ZCALLBACK ferror_file_func OF(( - voidpf opaque, - voidpf stream)); - - -voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) - voidpf opaque; - const char* filename; - int mode; -{ - FILE* file = NULL; - const char* mode_fopen = NULL; - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) - mode_fopen = "rb"; - else - if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - mode_fopen = "r+b"; - else - if (mode & ZLIB_FILEFUNC_MODE_CREATE) - mode_fopen = "wb"; - - if ((filename!=NULL) && (mode_fopen != NULL)) - file = fopen(filename, mode_fopen); - return file; -} - - -uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - void* buf; - uLong size; -{ - uLong ret; - ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); - return ret; -} - - -uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - const void* buf; - uLong size; -{ - uLong ret; - ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); - return ret; -} - -long ZCALLBACK ftell_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ - long ret; - ret = ftell((FILE *)stream); - return ret; -} - -long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) - voidpf opaque; - voidpf stream; - uLong offset; - int origin; -{ - int fseek_origin=0; - long ret; - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR : - fseek_origin = SEEK_CUR; - break; - case ZLIB_FILEFUNC_SEEK_END : - fseek_origin = SEEK_END; - break; - case ZLIB_FILEFUNC_SEEK_SET : - fseek_origin = SEEK_SET; - break; - default: return -1; - } - ret = 0; - fseek((FILE *)stream, offset, fseek_origin); - return ret; -} - -int ZCALLBACK fclose_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ - int ret; - ret = fclose((FILE *)stream); - return ret; -} - -int ZCALLBACK ferror_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ - int ret; - ret = ferror((FILE *)stream); - return ret; -} - -void fill_fopen_filefunc (pzlib_filefunc_def) - zlib_filefunc_def* pzlib_filefunc_def; -{ - pzlib_filefunc_def->zopen_file = fopen_file_func; - pzlib_filefunc_def->zread_file = fread_file_func; - pzlib_filefunc_def->zwrite_file = fwrite_file_func; - pzlib_filefunc_def->ztell_file = ftell_file_func; - pzlib_filefunc_def->zseek_file = fseek_file_func; - pzlib_filefunc_def->zclose_file = fclose_file_func; - pzlib_filefunc_def->zerror_file = ferror_file_func; - pzlib_filefunc_def->opaque = NULL; -} +/* ioapi.c -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include +#include +#include + +#include "zlib.h" +#include "ioapi.h" + + + +/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ + +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif + +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + +voidpf ZCALLBACK fopen_file_func OF(( + voidpf opaque, + const char* filename, + int mode)); + +uLong ZCALLBACK fread_file_func OF(( + voidpf opaque, + voidpf stream, + void* buf, + uLong size)); + +uLong ZCALLBACK fwrite_file_func OF(( + voidpf opaque, + voidpf stream, + const void* buf, + uLong size)); + +long ZCALLBACK ftell_file_func OF(( + voidpf opaque, + voidpf stream)); + +long ZCALLBACK fseek_file_func OF(( + voidpf opaque, + voidpf stream, + uLong offset, + int origin)); + +int ZCALLBACK fclose_file_func OF(( + voidpf opaque, + voidpf stream)); + +int ZCALLBACK ferror_file_func OF(( + voidpf opaque, + voidpf stream)); + + +voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) + voidpf opaque; + const char* filename; + int mode; +{ + FILE* file = NULL; + const char* mode_fopen = NULL; + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + mode_fopen = "rb"; + else + if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + mode_fopen = "r+b"; + else + if (mode & ZLIB_FILEFUNC_MODE_CREATE) + mode_fopen = "wb"; + + if ((filename!=NULL) && (mode_fopen != NULL)) + file = fopen(filename, mode_fopen); + return file; +} + + +uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) + voidpf opaque; + voidpf stream; + void* buf; + uLong size; +{ + uLong ret; + ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); + return ret; +} + + +uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size) + voidpf opaque; + voidpf stream; + const void* buf; + uLong size; +{ + uLong ret; + ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); + return ret; +} + +long ZCALLBACK ftell_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + long ret; + ret = ftell((FILE *)stream); + return ret; +} + +long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) + voidpf opaque; + voidpf stream; + uLong offset; + int origin; +{ + int fseek_origin=0; + long ret; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + fseek_origin = SEEK_CUR; + break; + case ZLIB_FILEFUNC_SEEK_END : + fseek_origin = SEEK_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + fseek_origin = SEEK_SET; + break; + default: return -1; + } + ret = 0; + fseek((FILE *)stream, offset, fseek_origin); + return ret; +} + +int ZCALLBACK fclose_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret; + ret = fclose((FILE *)stream); + return ret; +} + +int ZCALLBACK ferror_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret; + ret = ferror((FILE *)stream); + return ret; +} + +void fill_fopen_filefunc (pzlib_filefunc_def) + zlib_filefunc_def* pzlib_filefunc_def; +{ + pzlib_filefunc_def->zopen_file = fopen_file_func; + pzlib_filefunc_def->zread_file = fread_file_func; + pzlib_filefunc_def->zwrite_file = fwrite_file_func; + pzlib_filefunc_def->ztell_file = ftell_file_func; + pzlib_filefunc_def->zseek_file = fseek_file_func; + pzlib_filefunc_def->zclose_file = fclose_file_func; + pzlib_filefunc_def->zerror_file = ferror_file_func; + pzlib_filefunc_def->opaque = NULL; +} diff --git a/contrib/minizip/ioapi.h b/contrib/minizip/ioapi.h index b761161..e73a3b2 100644 --- a/contrib/minizip/ioapi.h +++ b/contrib/minizip/ioapi.h @@ -1,75 +1,75 @@ -/* ioapi.h -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant -*/ - -#ifndef _ZLIBIOAPI_H -#define _ZLIBIOAPI_H - - -#define ZLIB_FILEFUNC_SEEK_CUR (1) -#define ZLIB_FILEFUNC_SEEK_END (2) -#define ZLIB_FILEFUNC_SEEK_SET (0) - -#define ZLIB_FILEFUNC_MODE_READ (1) -#define ZLIB_FILEFUNC_MODE_WRITE (2) -#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) - -#define ZLIB_FILEFUNC_MODE_EXISTING (4) -#define ZLIB_FILEFUNC_MODE_CREATE (8) - - -#ifndef ZCALLBACK - -#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) -#define ZCALLBACK CALLBACK -#else -#define ZCALLBACK -#endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); -typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); -typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); -typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); -typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); -typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); -typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); - -typedef struct zlib_filefunc_def_s -{ - open_file_func zopen_file; - read_file_func zread_file; - write_file_func zwrite_file; - tell_file_func ztell_file; - seek_file_func zseek_file; - close_file_func zclose_file; - testerror_file_func zerror_file; - voidpf opaque; -} zlib_filefunc_def; - - - -void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); - -#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) -#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) -#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) -#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) -#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) -#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) - - -#ifdef __cplusplus -} -#endif - -#endif - +/* ioapi.h -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#ifndef _ZLIBIOAPI_H +#define _ZLIBIOAPI_H + + +#define ZLIB_FILEFUNC_SEEK_CUR (1) +#define ZLIB_FILEFUNC_SEEK_END (2) +#define ZLIB_FILEFUNC_SEEK_SET (0) + +#define ZLIB_FILEFUNC_MODE_READ (1) +#define ZLIB_FILEFUNC_MODE_WRITE (2) +#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) + +#define ZLIB_FILEFUNC_MODE_EXISTING (4) +#define ZLIB_FILEFUNC_MODE_CREATE (8) + + +#ifndef ZCALLBACK + +#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) +#define ZCALLBACK CALLBACK +#else +#define ZCALLBACK +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); +typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); +typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); +typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); +typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); +typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); + +typedef struct zlib_filefunc_def_s +{ + open_file_func zopen_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell_file_func ztell_file; + seek_file_func zseek_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + voidpf opaque; +} zlib_filefunc_def; + + + +void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); + +#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) +#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) +#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) +#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) +#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) +#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) + + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/contrib/minizip/iowin32.c b/contrib/minizip/iowin32.c index 940dc0b..694bc03 100644 --- a/contrib/minizip/iowin32.c +++ b/contrib/minizip/iowin32.c @@ -1,270 +1,270 @@ -/* iowin32.c -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - This IO API version uses the Win32 API (for Microsoft Windows) - - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant -*/ - -#include - -#include "zlib.h" -#include "ioapi.h" -#include "iowin32.h" - -#ifndef INVALID_HANDLE_VALUE -#define INVALID_HANDLE_VALUE (0xFFFFFFFF) -#endif - -#ifndef INVALID_SET_FILE_POINTER -#define INVALID_SET_FILE_POINTER ((DWORD)-1) -#endif - -voidpf ZCALLBACK win32_open_file_func OF(( - voidpf opaque, - const char* filename, - int mode)); - -uLong ZCALLBACK win32_read_file_func OF(( - voidpf opaque, - voidpf stream, - void* buf, - uLong size)); - -uLong ZCALLBACK win32_write_file_func OF(( - voidpf opaque, - voidpf stream, - const void* buf, - uLong size)); - -long ZCALLBACK win32_tell_file_func OF(( - voidpf opaque, - voidpf stream)); - -long ZCALLBACK win32_seek_file_func OF(( - voidpf opaque, - voidpf stream, - uLong offset, - int origin)); - -int ZCALLBACK win32_close_file_func OF(( - voidpf opaque, - voidpf stream)); - -int ZCALLBACK win32_error_file_func OF(( - voidpf opaque, - voidpf stream)); - -typedef struct -{ - HANDLE hf; - int error; -} WIN32FILE_IOWIN; - -voidpf ZCALLBACK win32_open_file_func (opaque, filename, mode) - voidpf opaque; - const char* filename; - int mode; -{ - const char* mode_fopen = NULL; - DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; - HANDLE hFile = 0; - voidpf ret=NULL; - - dwDesiredAccess = dwShareMode = dwFlagsAndAttributes = 0; - - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) - { - dwDesiredAccess = GENERIC_READ; - dwCreationDisposition = OPEN_EXISTING; - dwShareMode = FILE_SHARE_READ; - } - else - if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - { - dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; - dwCreationDisposition = OPEN_EXISTING; - } - else - if (mode & ZLIB_FILEFUNC_MODE_CREATE) - { - dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; - dwCreationDisposition = CREATE_ALWAYS; - } - - if ((filename!=NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, - dwCreationDisposition, dwFlagsAndAttributes, NULL); - - if (hFile == INVALID_HANDLE_VALUE) - hFile = NULL; - - if (hFile != NULL) - { - WIN32FILE_IOWIN w32fiow; - w32fiow.hf = hFile; - w32fiow.error = 0; - ret = malloc(sizeof(WIN32FILE_IOWIN)); - if (ret==NULL) - CloseHandle(hFile); - else *((WIN32FILE_IOWIN*)ret) = w32fiow; - } - return ret; -} - - -uLong ZCALLBACK win32_read_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - void* buf; - uLong size; -{ - uLong ret=0; - HANDLE hFile = NULL; - if (stream!=NULL) - hFile = ((WIN32FILE_IOWIN*)stream) -> hf; - if (hFile != NULL) - if (!ReadFile(hFile, buf, size, &ret, NULL)) - { - DWORD dwErr = GetLastError(); - if (dwErr == ERROR_HANDLE_EOF) - dwErr = 0; - ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; - } - - return ret; -} - - -uLong ZCALLBACK win32_write_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - const void* buf; - uLong size; -{ - uLong ret=0; - HANDLE hFile = NULL; - if (stream!=NULL) - hFile = ((WIN32FILE_IOWIN*)stream) -> hf; - - if (hFile !=NULL) - if (!WriteFile(hFile, buf, size, &ret, NULL)) - { - DWORD dwErr = GetLastError(); - if (dwErr == ERROR_HANDLE_EOF) - dwErr = 0; - ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; - } - - return ret; -} - -long ZCALLBACK win32_tell_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ - long ret=-1; - HANDLE hFile = NULL; - if (stream!=NULL) - hFile = ((WIN32FILE_IOWIN*)stream) -> hf; - if (hFile != NULL) - { - DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT); - if (dwSet == INVALID_SET_FILE_POINTER) - { - DWORD dwErr = GetLastError(); - ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; - ret = -1; - } - else - ret=(long)dwSet; - } - return ret; -} - -long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin) - voidpf opaque; - voidpf stream; - uLong offset; - int origin; -{ - DWORD dwMoveMethod=0xFFFFFFFF; - HANDLE hFile = NULL; - - long ret=-1; - if (stream!=NULL) - hFile = ((WIN32FILE_IOWIN*)stream) -> hf; - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR : - dwMoveMethod = FILE_CURRENT; - break; - case ZLIB_FILEFUNC_SEEK_END : - dwMoveMethod = FILE_END; - break; - case ZLIB_FILEFUNC_SEEK_SET : - dwMoveMethod = FILE_BEGIN; - break; - default: return -1; - } - - if (hFile != NULL) - { - DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod); - if (dwSet == INVALID_SET_FILE_POINTER) - { - DWORD dwErr = GetLastError(); - ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; - ret = -1; - } - else - ret=0; - } - return ret; -} - -int ZCALLBACK win32_close_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ - int ret=-1; - - if (stream!=NULL) - { - HANDLE hFile; - hFile = ((WIN32FILE_IOWIN*)stream) -> hf; - if (hFile != NULL) - { - CloseHandle(hFile); - ret=0; - } - free(stream); - } - return ret; -} - -int ZCALLBACK win32_error_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ - int ret=-1; - if (stream!=NULL) - { - ret = ((WIN32FILE_IOWIN*)stream) -> error; - } - return ret; -} - -void fill_win32_filefunc (pzlib_filefunc_def) - zlib_filefunc_def* pzlib_filefunc_def; -{ - pzlib_filefunc_def->zopen_file = win32_open_file_func; - pzlib_filefunc_def->zread_file = win32_read_file_func; - pzlib_filefunc_def->zwrite_file = win32_write_file_func; - pzlib_filefunc_def->ztell_file = win32_tell_file_func; - pzlib_filefunc_def->zseek_file = win32_seek_file_func; - pzlib_filefunc_def->zclose_file = win32_close_file_func; - pzlib_filefunc_def->zerror_file = win32_error_file_func; - pzlib_filefunc_def->opaque=NULL; -} +/* iowin32.c -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + This IO API version uses the Win32 API (for Microsoft Windows) + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include + +#include "zlib.h" +#include "ioapi.h" +#include "iowin32.h" + +#ifndef INVALID_HANDLE_VALUE +#define INVALID_HANDLE_VALUE (0xFFFFFFFF) +#endif + +#ifndef INVALID_SET_FILE_POINTER +#define INVALID_SET_FILE_POINTER ((DWORD)-1) +#endif + +voidpf ZCALLBACK win32_open_file_func OF(( + voidpf opaque, + const char* filename, + int mode)); + +uLong ZCALLBACK win32_read_file_func OF(( + voidpf opaque, + voidpf stream, + void* buf, + uLong size)); + +uLong ZCALLBACK win32_write_file_func OF(( + voidpf opaque, + voidpf stream, + const void* buf, + uLong size)); + +long ZCALLBACK win32_tell_file_func OF(( + voidpf opaque, + voidpf stream)); + +long ZCALLBACK win32_seek_file_func OF(( + voidpf opaque, + voidpf stream, + uLong offset, + int origin)); + +int ZCALLBACK win32_close_file_func OF(( + voidpf opaque, + voidpf stream)); + +int ZCALLBACK win32_error_file_func OF(( + voidpf opaque, + voidpf stream)); + +typedef struct +{ + HANDLE hf; + int error; +} WIN32FILE_IOWIN; + +voidpf ZCALLBACK win32_open_file_func (opaque, filename, mode) + voidpf opaque; + const char* filename; + int mode; +{ + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = 0; + voidpf ret=NULL; + + dwDesiredAccess = dwShareMode = dwFlagsAndAttributes = 0; + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + { + dwDesiredAccess = GENERIC_READ; + dwCreationDisposition = OPEN_EXISTING; + dwShareMode = FILE_SHARE_READ; + } + else + if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + { + dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + dwCreationDisposition = OPEN_EXISTING; + } + else + if (mode & ZLIB_FILEFUNC_MODE_CREATE) + { + dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + dwCreationDisposition = CREATE_ALWAYS; + } + + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, + dwCreationDisposition, dwFlagsAndAttributes, NULL); + + if (hFile == INVALID_HANDLE_VALUE) + hFile = NULL; + + if (hFile != NULL) + { + WIN32FILE_IOWIN w32fiow; + w32fiow.hf = hFile; + w32fiow.error = 0; + ret = malloc(sizeof(WIN32FILE_IOWIN)); + if (ret==NULL) + CloseHandle(hFile); + else *((WIN32FILE_IOWIN*)ret) = w32fiow; + } + return ret; +} + + +uLong ZCALLBACK win32_read_file_func (opaque, stream, buf, size) + voidpf opaque; + voidpf stream; + void* buf; + uLong size; +{ + uLong ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + if (!ReadFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + + return ret; +} + + +uLong ZCALLBACK win32_write_file_func (opaque, stream, buf, size) + voidpf opaque; + voidpf stream; + const void* buf; + uLong size; +{ + uLong ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + + if (hFile !=NULL) + if (!WriteFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + + return ret; +} + +long ZCALLBACK win32_tell_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + long ret=-1; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT); + if (dwSet == INVALID_SET_FILE_POINTER) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=(long)dwSet; + } + return ret; +} + +long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin) + voidpf opaque; + voidpf stream; + uLong offset; + int origin; +{ + DWORD dwMoveMethod=0xFFFFFFFF; + HANDLE hFile = NULL; + + long ret=-1; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END : + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + dwMoveMethod = FILE_BEGIN; + break; + default: return -1; + } + + if (hFile != NULL) + { + DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod); + if (dwSet == INVALID_SET_FILE_POINTER) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; +} + +int ZCALLBACK win32_close_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret=-1; + + if (stream!=NULL) + { + HANDLE hFile; + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + CloseHandle(hFile); + ret=0; + } + free(stream); + } + return ret; +} + +int ZCALLBACK win32_error_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret=-1; + if (stream!=NULL) + { + ret = ((WIN32FILE_IOWIN*)stream) -> error; + } + return ret; +} + +void fill_win32_filefunc (pzlib_filefunc_def) + zlib_filefunc_def* pzlib_filefunc_def; +{ + pzlib_filefunc_def->zopen_file = win32_open_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell_file = win32_tell_file_func; + pzlib_filefunc_def->zseek_file = win32_seek_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque=NULL; +} diff --git a/contrib/minizip/iowin32.h b/contrib/minizip/iowin32.h index 8774fe7..e9c5f8b 100644 --- a/contrib/minizip/iowin32.h +++ b/contrib/minizip/iowin32.h @@ -1,21 +1,21 @@ -/* iowin32.h -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - This IO API version uses the Win32 API (for Microsoft Windows) - - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant -*/ - -#include - - -#ifdef __cplusplus -extern "C" { -#endif - -void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); - -#ifdef __cplusplus -} -#endif +/* iowin32.h -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + This IO API version uses the Win32 API (for Microsoft Windows) + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include + + +#ifdef __cplusplus +extern "C" { +#endif + +void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); + +#ifdef __cplusplus +} +#endif diff --git a/contrib/minizip/miniunz.c b/contrib/minizip/miniunz.c index a6b06a2..82d8702 100644 --- a/contrib/minizip/miniunz.c +++ b/contrib/minizip/miniunz.c @@ -1,585 +1,585 @@ -/* - miniunz.c - Version 1.01b, May 30th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant -*/ - - -#include -#include -#include -#include -#include -#include - -#ifdef unix -# include -# include -#else -# include -# include -#endif - -#include "unzip.h" - -#define CASESENSITIVITY (0) -#define WRITEBUFFERSIZE (8192) -#define MAXFILENAME (256) - -#ifdef WIN32 -#define USEWIN32IOAPI -#include "iowin32.h" -#endif -/* - mini unzip, demo of unzip package - - usage : - Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] - - list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT - if it exists -*/ - - -/* change_file_date : change the date/time of a file - filename : the filename of the file where date/time must be modified - dosdate : the new date at the MSDos format (4 bytes) - tmu_date : the SAME new date at the tm_unz format */ -void change_file_date(filename,dosdate,tmu_date) - const char *filename; - uLong dosdate; - tm_unz tmu_date; -{ -#ifdef WIN32 - HANDLE hFile; - FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; - - hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE, - 0,NULL,OPEN_EXISTING,0,NULL); - GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); - DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); - LocalFileTimeToFileTime(&ftLocal,&ftm); - SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); - CloseHandle(hFile); -#else -#ifdef unix - struct utimbuf ut; - struct tm newdate; - newdate.tm_sec = tmu_date.tm_sec; - newdate.tm_min=tmu_date.tm_min; - newdate.tm_hour=tmu_date.tm_hour; - newdate.tm_mday=tmu_date.tm_mday; - newdate.tm_mon=tmu_date.tm_mon; - if (tmu_date.tm_year > 1900) - newdate.tm_year=tmu_date.tm_year - 1900; - else - newdate.tm_year=tmu_date.tm_year ; - newdate.tm_isdst=-1; - - ut.actime=ut.modtime=mktime(&newdate); - utime(filename,&ut); -#endif -#endif -} - - -/* mymkdir and change_file_date are not 100 % portable - As I don't know well Unix, I wait feedback for the unix portion */ - -int mymkdir(dirname) - const char* dirname; -{ - int ret=0; -#ifdef WIN32 - ret = mkdir(dirname); -#else -#ifdef unix - ret = mkdir (dirname,0775); -#endif -#endif - return ret; -} - -int makedir (newdir) - char *newdir; -{ - char *buffer ; - char *p; - int len = (int)strlen(newdir); - - if (len <= 0) - return 0; - - buffer = (char*)malloc(len+1); - strcpy(buffer,newdir); - - if (buffer[len-1] == '/') { - buffer[len-1] = '\0'; - } - if (mymkdir(buffer) == 0) - { - free(buffer); - return 1; - } - - p = buffer+1; - while (1) - { - char hold; - - while(*p && *p != '\\' && *p != '/') - p++; - hold = *p; - *p = 0; - if ((mymkdir(buffer) == -1) && (errno == ENOENT)) - { - printf("couldn't create directory %s\n",buffer); - free(buffer); - return 0; - } - if (hold == 0) - break; - *p++ = hold; - } - free(buffer); - return 1; -} - -void do_banner() -{ - printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); - printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); -} - -void do_help() -{ - printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ - " -e Extract without pathname (junk paths)\n" \ - " -x Extract with pathname\n" \ - " -v list files\n" \ - " -l list files\n" \ - " -d directory to extract into\n" \ - " -o overwrite files without prompting\n" \ - " -p extract crypted file using password\n\n"); -} - - -int do_list(uf) - unzFile uf; -{ - uLong i; - unz_global_info gi; - int err; - - err = unzGetGlobalInfo (uf,&gi); - if (err!=UNZ_OK) - printf("error %d with zipfile in unzGetGlobalInfo \n",err); - printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); - printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); - for (i=0;i0) - ratio = (file_info.compressed_size*100)/file_info.uncompressed_size; - - /* display a '*' if the file is crypted */ - if ((file_info.flag & 1) != 0) - charCrypt='*'; - - if (file_info.compression_method==0) - string_method="Stored"; - else - if (file_info.compression_method==Z_DEFLATED) - { - uInt iLevel=(uInt)((file_info.flag & 0x6)/2); - if (iLevel==0) - string_method="Defl:N"; - else if (iLevel==1) - string_method="Defl:X"; - else if ((iLevel==2) || (iLevel==3)) - string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ - } - else - string_method="Unkn. "; - - printf("%7lu %6s%c%7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", - file_info.uncompressed_size,string_method, - charCrypt, - file_info.compressed_size, - ratio, - (uLong)file_info.tmu_date.tm_mon + 1, - (uLong)file_info.tmu_date.tm_mday, - (uLong)file_info.tmu_date.tm_year % 100, - (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, - (uLong)file_info.crc,filename_inzip); - if ((i+1)='a') && (rep<='z')) - rep -= 0x20; - } - while ((rep!='Y') && (rep!='N') && (rep!='A')); - } - - if (rep == 'N') - skip = 1; - - if (rep == 'A') - *popt_overwrite=1; - } - - if ((skip==0) && (err==UNZ_OK)) - { - fout=fopen(write_filename,"wb"); - - /* some zipfile don't contain directory alone before file */ - if ((fout==NULL) && ((*popt_extract_without_path)==0) && - (filename_withoutpath!=(char*)filename_inzip)) - { - char c=*(filename_withoutpath-1); - *(filename_withoutpath-1)='\0'; - makedir(write_filename); - *(filename_withoutpath-1)=c; - fout=fopen(write_filename,"wb"); - } - - if (fout==NULL) - { - printf("error opening %s\n",write_filename); - } - } - - if (fout!=NULL) - { - printf(" extracting: %s\n",write_filename); - - do - { - err = unzReadCurrentFile(uf,buf,size_buf); - if (err<0) - { - printf("error %d with zipfile in unzReadCurrentFile\n",err); - break; - } - if (err>0) - if (fwrite(buf,err,1,fout)!=1) - { - printf("error in writing extracted file\n"); - err=UNZ_ERRNO; - break; - } - } - while (err>0); - if (fout) - fclose(fout); - - if (err==0) - change_file_date(write_filename,file_info.dosDate, - file_info.tmu_date); - } - - if (err==UNZ_OK) - { - err = unzCloseCurrentFile (uf); - if (err!=UNZ_OK) - { - printf("error %d with zipfile in unzCloseCurrentFile\n",err); - } - } - else - unzCloseCurrentFile(uf); /* don't lose the error */ - } - - free(buf); - return err; -} - - -int do_extract(uf,opt_extract_without_path,opt_overwrite,password) - unzFile uf; - int opt_extract_without_path; - int opt_overwrite; - const char* password; -{ - uLong i; - unz_global_info gi; - int err; - FILE* fout=NULL; - - err = unzGetGlobalInfo (uf,&gi); - if (err!=UNZ_OK) - printf("error %d with zipfile in unzGetGlobalInfo \n",err); - - for (i=0;i +#include +#include +#include +#include +#include + +#ifdef unix +# include +# include +#else +# include +# include +#endif + +#include "unzip.h" + +#define CASESENSITIVITY (0) +#define WRITEBUFFERSIZE (8192) +#define MAXFILENAME (256) + +#ifdef WIN32 +#define USEWIN32IOAPI +#include "iowin32.h" +#endif +/* + mini unzip, demo of unzip package + + usage : + Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] + + list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT + if it exists +*/ + + +/* change_file_date : change the date/time of a file + filename : the filename of the file where date/time must be modified + dosdate : the new date at the MSDos format (4 bytes) + tmu_date : the SAME new date at the tm_unz format */ +void change_file_date(filename,dosdate,tmu_date) + const char *filename; + uLong dosdate; + tm_unz tmu_date; +{ +#ifdef WIN32 + HANDLE hFile; + FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; + + hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE, + 0,NULL,OPEN_EXISTING,0,NULL); + GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); + DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); + LocalFileTimeToFileTime(&ftLocal,&ftm); + SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); + CloseHandle(hFile); +#else +#ifdef unix + struct utimbuf ut; + struct tm newdate; + newdate.tm_sec = tmu_date.tm_sec; + newdate.tm_min=tmu_date.tm_min; + newdate.tm_hour=tmu_date.tm_hour; + newdate.tm_mday=tmu_date.tm_mday; + newdate.tm_mon=tmu_date.tm_mon; + if (tmu_date.tm_year > 1900) + newdate.tm_year=tmu_date.tm_year - 1900; + else + newdate.tm_year=tmu_date.tm_year ; + newdate.tm_isdst=-1; + + ut.actime=ut.modtime=mktime(&newdate); + utime(filename,&ut); +#endif +#endif +} + + +/* mymkdir and change_file_date are not 100 % portable + As I don't know well Unix, I wait feedback for the unix portion */ + +int mymkdir(dirname) + const char* dirname; +{ + int ret=0; +#ifdef WIN32 + ret = mkdir(dirname); +#else +#ifdef unix + ret = mkdir (dirname,0775); +#endif +#endif + return ret; +} + +int makedir (newdir) + char *newdir; +{ + char *buffer ; + char *p; + int len = (int)strlen(newdir); + + if (len <= 0) + return 0; + + buffer = (char*)malloc(len+1); + strcpy(buffer,newdir); + + if (buffer[len-1] == '/') { + buffer[len-1] = '\0'; + } + if (mymkdir(buffer) == 0) + { + free(buffer); + return 1; + } + + p = buffer+1; + while (1) + { + char hold; + + while(*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((mymkdir(buffer) == -1) && (errno == ENOENT)) + { + printf("couldn't create directory %s\n",buffer); + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + +void do_banner() +{ + printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); + printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); +} + +void do_help() +{ + printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ + " -e Extract without pathname (junk paths)\n" \ + " -x Extract with pathname\n" \ + " -v list files\n" \ + " -l list files\n" \ + " -d directory to extract into\n" \ + " -o overwrite files without prompting\n" \ + " -p extract crypted file using password\n\n"); +} + + +int do_list(uf) + unzFile uf; +{ + uLong i; + unz_global_info gi; + int err; + + err = unzGetGlobalInfo (uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); + printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); + for (i=0;i0) + ratio = (file_info.compressed_size*100)/file_info.uncompressed_size; + + /* display a '*' if the file is crypted */ + if ((file_info.flag & 1) != 0) + charCrypt='*'; + + if (file_info.compression_method==0) + string_method="Stored"; + else + if (file_info.compression_method==Z_DEFLATED) + { + uInt iLevel=(uInt)((file_info.flag & 0x6)/2); + if (iLevel==0) + string_method="Defl:N"; + else if (iLevel==1) + string_method="Defl:X"; + else if ((iLevel==2) || (iLevel==3)) + string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ + } + else + string_method="Unkn. "; + + printf("%7lu %6s%c%7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", + file_info.uncompressed_size,string_method, + charCrypt, + file_info.compressed_size, + ratio, + (uLong)file_info.tmu_date.tm_mon + 1, + (uLong)file_info.tmu_date.tm_mday, + (uLong)file_info.tmu_date.tm_year % 100, + (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, + (uLong)file_info.crc,filename_inzip); + if ((i+1)='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + } + + if (rep == 'N') + skip = 1; + + if (rep == 'A') + *popt_overwrite=1; + } + + if ((skip==0) && (err==UNZ_OK)) + { + fout=fopen(write_filename,"wb"); + + /* some zipfile don't contain directory alone before file */ + if ((fout==NULL) && ((*popt_extract_without_path)==0) && + (filename_withoutpath!=(char*)filename_inzip)) + { + char c=*(filename_withoutpath-1); + *(filename_withoutpath-1)='\0'; + makedir(write_filename); + *(filename_withoutpath-1)=c; + fout=fopen(write_filename,"wb"); + } + + if (fout==NULL) + { + printf("error opening %s\n",write_filename); + } + } + + if (fout!=NULL) + { + printf(" extracting: %s\n",write_filename); + + do + { + err = unzReadCurrentFile(uf,buf,size_buf); + if (err<0) + { + printf("error %d with zipfile in unzReadCurrentFile\n",err); + break; + } + if (err>0) + if (fwrite(buf,err,1,fout)!=1) + { + printf("error in writing extracted file\n"); + err=UNZ_ERRNO; + break; + } + } + while (err>0); + if (fout) + fclose(fout); + + if (err==0) + change_file_date(write_filename,file_info.dosDate, + file_info.tmu_date); + } + + if (err==UNZ_OK) + { + err = unzCloseCurrentFile (uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzCloseCurrentFile\n",err); + } + } + else + unzCloseCurrentFile(uf); /* don't lose the error */ + } + + free(buf); + return err; +} + + +int do_extract(uf,opt_extract_without_path,opt_overwrite,password) + unzFile uf; + int opt_extract_without_path; + int opt_overwrite; + const char* password; +{ + uLong i; + unz_global_info gi; + int err; + FILE* fout=NULL; + + err = unzGetGlobalInfo (uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + + for (i=0;i -#include -#include -#include -#include -#include - -#ifdef unix -# include -# include -# include -# include -#else -# include -# include -#endif - -#include "zip.h" - -#ifdef WIN32 -#define USEWIN32IOAPI -#include "iowin32.h" -#endif - - - -#define WRITEBUFFERSIZE (16384) -#define MAXFILENAME (256) - -#ifdef WIN32 -uLong filetime(f, tmzip, dt) - char *f; /* name of file to get info on */ - tm_zip *tmzip; /* return value: access, modific. and creation times */ - uLong *dt; /* dostime */ -{ - int ret = 0; - { - FILETIME ftLocal; - HANDLE hFind; - WIN32_FIND_DATA ff32; - - hFind = FindFirstFile(f,&ff32); - if (hFind != INVALID_HANDLE_VALUE) - { - FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); - FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); - FindClose(hFind); - ret = 1; - } - } - return ret; -} -#else -#ifdef unix -uLong filetime(f, tmzip, dt) - char *f; /* name of file to get info on */ - tm_zip *tmzip; /* return value: access, modific. and creation times */ - uLong *dt; /* dostime */ -{ - int ret=0; - struct stat s; /* results of stat() */ - struct tm* filedate; - time_t tm_t=0; - - if (strcmp(f,"-")!=0) - { - char name[MAXFILENAME+1]; - int len = strlen(f); - if (len > MAXFILENAME) - len = MAXFILENAME; - - strncpy(name, f,MAXFILENAME-1); - /* strncpy doesnt append the trailing NULL, of the string is too long. */ - name[ MAXFILENAME ] = '\0'; - - if (name[len - 1] == '/') - name[len - 1] = '\0'; - /* not all systems allow stat'ing a file with / appended */ - if (stat(name,&s)==0) - { - tm_t = s.st_mtime; - ret = 1; - } - } - filedate = localtime(&tm_t); - - tmzip->tm_sec = filedate->tm_sec; - tmzip->tm_min = filedate->tm_min; - tmzip->tm_hour = filedate->tm_hour; - tmzip->tm_mday = filedate->tm_mday; - tmzip->tm_mon = filedate->tm_mon ; - tmzip->tm_year = filedate->tm_year; - - return ret; -} -#else -uLong filetime(f, tmzip, dt) - char *f; /* name of file to get info on */ - tm_zip *tmzip; /* return value: access, modific. and creation times */ - uLong *dt; /* dostime */ -{ - return 0; -} -#endif -#endif - - - - -int check_exist_file(filename) - const char* filename; -{ - FILE* ftestexist; - int ret = 1; - ftestexist = fopen(filename,"rb"); - if (ftestexist==NULL) - ret = 0; - else - fclose(ftestexist); - return ret; -} - -void do_banner() -{ - printf("MiniZip 1.01b, demo of zLib + Zip package written by Gilles Vollant\n"); - printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); -} - -void do_help() -{ - printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] file.zip [files_to_add]\n\n" \ - " -o Overwrite existing file.zip\n" \ - " -a Append to existing file.zip\n" \ - " -0 Store only\n" \ - " -1 Compress faster\n" \ - " -9 Compress better\n\n"); -} - -/* calculate the CRC32 of a file, - because to encrypt a file, we need known the CRC32 of the file before */ -int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) -{ - unsigned long calculate_crc=0; - int err=ZIP_OK; - FILE * fin = fopen(filenameinzip,"rb"); - unsigned long size_read = 0; - unsigned long total_read = 0; - if (fin==NULL) - { - err = ZIP_ERRNO; - } - - if (err == ZIP_OK) - do - { - err = ZIP_OK; - size_read = (int)fread(buf,1,size_buf,fin); - if (size_read < size_buf) - if (feof(fin)==0) - { - printf("error in reading %s\n",filenameinzip); - err = ZIP_ERRNO; - } - - if (size_read>0) - calculate_crc = crc32(calculate_crc,buf,size_read); - total_read += size_read; - - } while ((err == ZIP_OK) && (size_read>0)); - - if (fin) - fclose(fin); - - *result_crc=calculate_crc; - printf("file %s crc %x\n",filenameinzip,calculate_crc); - return err; -} - -int main(argc,argv) - int argc; - char *argv[]; -{ - int i; - int opt_overwrite=0; - int opt_compress_level=Z_DEFAULT_COMPRESSION; - int zipfilenamearg = 0; - char filename_try[MAXFILENAME+16]; - int zipok; - int err=0; - int size_buf=0; - void* buf=NULL; - const char* password=NULL; - - - do_banner(); - if (argc==1) - { - do_help(); - return 0; - } - else - { - for (i=1;i='0') && (c<='9')) - opt_compress_level = c-'0'; - - if (((c=='p') || (c=='P')) && (i+1='a') && (rep<='z')) - rep -= 0x20; - } - while ((rep!='Y') && (rep!='N') && (rep!='A')); - if (rep=='N') - zipok = 0; - if (rep=='A') - opt_overwrite = 2; - } - } - - if (zipok==1) - { - zipFile zf; - int errclose; -# ifdef USEWIN32IOAPI - zlib_filefunc_def ffunc; - fill_win32_filefunc(&ffunc); - zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); -# else - zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0); -# endif - - if (zf == NULL) - { - printf("error opening %s\n",filename_try); - err= ZIP_ERRNO; - } - else - printf("creating %s\n",filename_try); - - for (i=zipfilenamearg+1;(i='0') || (argv[i][1]<='9'))) && - (strlen(argv[i]) == 2))) - { - FILE * fin; - int size_read; - const char* filenameinzip = argv[i]; - zip_fileinfo zi; - unsigned long crcFile=0; - - zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = - zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; - zi.dosDate = 0; - zi.internal_fa = 0; - zi.external_fa = 0; - filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); - -/* - err = zipOpenNewFileInZip(zf,filenameinzip,&zi, - NULL,0,NULL,0,NULL / * comment * /, - (opt_compress_level != 0) ? Z_DEFLATED : 0, - opt_compress_level); -*/ - if ((password != NULL) && (err==ZIP_OK)) - err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); - - err = zipOpenNewFileInZip3(zf,filenameinzip,&zi, - NULL,0,NULL,0,NULL /* comment*/, - (opt_compress_level != 0) ? Z_DEFLATED : 0, - opt_compress_level,0, - /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - password,crcFile); - - if (err != ZIP_OK) - printf("error in opening %s in zipfile\n",filenameinzip); - else - { - fin = fopen(filenameinzip,"rb"); - if (fin==NULL) - { - err=ZIP_ERRNO; - printf("error in opening %s for reading\n",filenameinzip); - } - } - - if (err == ZIP_OK) - do - { - err = ZIP_OK; - size_read = (int)fread(buf,1,size_buf,fin); - if (size_read < size_buf) - if (feof(fin)==0) - { - printf("error in reading %s\n",filenameinzip); - err = ZIP_ERRNO; - } - - if (size_read>0) - { - err = zipWriteInFileInZip (zf,buf,size_read); - if (err<0) - { - printf("error in writing %s in the zipfile\n", - filenameinzip); - } - - } - } while ((err == ZIP_OK) && (size_read>0)); - - if (fin) - fclose(fin); - - if (err<0) - err=ZIP_ERRNO; - else - { - err = zipCloseFileInZip(zf); - if (err!=ZIP_OK) - printf("error in closing %s in the zipfile\n", - filenameinzip); - } - } - } - errclose = zipClose(zf,NULL); - if (errclose != ZIP_OK) - printf("error in closing %s\n",filename_try); - } - else - { - do_help(); - } - - free(buf); - return 0; -} +/* + minizip.c + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include +#include +#include +#include +#include +#include + +#ifdef unix +# include +# include +# include +# include +#else +# include +# include +#endif + +#include "zip.h" + +#ifdef WIN32 +#define USEWIN32IOAPI +#include "iowin32.h" +#endif + + + +#define WRITEBUFFERSIZE (16384) +#define MAXFILENAME (256) + +#ifdef WIN32 +uLong filetime(f, tmzip, dt) + char *f; /* name of file to get info on */ + tm_zip *tmzip; /* return value: access, modific. and creation times */ + uLong *dt; /* dostime */ +{ + int ret = 0; + { + FILETIME ftLocal; + HANDLE hFind; + WIN32_FIND_DATA ff32; + + hFind = FindFirstFile(f,&ff32); + if (hFind != INVALID_HANDLE_VALUE) + { + FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); + FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); + FindClose(hFind); + ret = 1; + } + } + return ret; +} +#else +#ifdef unix +uLong filetime(f, tmzip, dt) + char *f; /* name of file to get info on */ + tm_zip *tmzip; /* return value: access, modific. and creation times */ + uLong *dt; /* dostime */ +{ + int ret=0; + struct stat s; /* results of stat() */ + struct tm* filedate; + time_t tm_t=0; + + if (strcmp(f,"-")!=0) + { + char name[MAXFILENAME+1]; + int len = strlen(f); + if (len > MAXFILENAME) + len = MAXFILENAME; + + strncpy(name, f,MAXFILENAME-1); + /* strncpy doesnt append the trailing NULL, of the string is too long. */ + name[ MAXFILENAME ] = '\0'; + + if (name[len - 1] == '/') + name[len - 1] = '\0'; + /* not all systems allow stat'ing a file with / appended */ + if (stat(name,&s)==0) + { + tm_t = s.st_mtime; + ret = 1; + } + } + filedate = localtime(&tm_t); + + tmzip->tm_sec = filedate->tm_sec; + tmzip->tm_min = filedate->tm_min; + tmzip->tm_hour = filedate->tm_hour; + tmzip->tm_mday = filedate->tm_mday; + tmzip->tm_mon = filedate->tm_mon ; + tmzip->tm_year = filedate->tm_year; + + return ret; +} +#else +uLong filetime(f, tmzip, dt) + char *f; /* name of file to get info on */ + tm_zip *tmzip; /* return value: access, modific. and creation times */ + uLong *dt; /* dostime */ +{ + return 0; +} +#endif +#endif + + + + +int check_exist_file(filename) + const char* filename; +{ + FILE* ftestexist; + int ret = 1; + ftestexist = fopen(filename,"rb"); + if (ftestexist==NULL) + ret = 0; + else + fclose(ftestexist); + return ret; +} + +void do_banner() +{ + printf("MiniZip 1.01b, demo of zLib + Zip package written by Gilles Vollant\n"); + printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); +} + +void do_help() +{ + printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] file.zip [files_to_add]\n\n" \ + " -o Overwrite existing file.zip\n" \ + " -a Append to existing file.zip\n" \ + " -0 Store only\n" \ + " -1 Compress faster\n" \ + " -9 Compress better\n\n"); +} + +/* calculate the CRC32 of a file, + because to encrypt a file, we need known the CRC32 of the file before */ +int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) +{ + unsigned long calculate_crc=0; + int err=ZIP_OK; + FILE * fin = fopen(filenameinzip,"rb"); + unsigned long size_read = 0; + unsigned long total_read = 0; + if (fin==NULL) + { + err = ZIP_ERRNO; + } + + if (err == ZIP_OK) + do + { + err = ZIP_OK; + size_read = (int)fread(buf,1,size_buf,fin); + if (size_read < size_buf) + if (feof(fin)==0) + { + printf("error in reading %s\n",filenameinzip); + err = ZIP_ERRNO; + } + + if (size_read>0) + calculate_crc = crc32(calculate_crc,buf,size_read); + total_read += size_read; + + } while ((err == ZIP_OK) && (size_read>0)); + + if (fin) + fclose(fin); + + *result_crc=calculate_crc; + printf("file %s crc %x\n",filenameinzip,calculate_crc); + return err; +} + +int main(argc,argv) + int argc; + char *argv[]; +{ + int i; + int opt_overwrite=0; + int opt_compress_level=Z_DEFAULT_COMPRESSION; + int zipfilenamearg = 0; + char filename_try[MAXFILENAME+16]; + int zipok; + int err=0; + int size_buf=0; + void* buf=NULL; + const char* password=NULL; + + + do_banner(); + if (argc==1) + { + do_help(); + return 0; + } + else + { + for (i=1;i='0') && (c<='9')) + opt_compress_level = c-'0'; + + if (((c=='p') || (c=='P')) && (i+1='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + if (rep=='N') + zipok = 0; + if (rep=='A') + opt_overwrite = 2; + } + } + + if (zipok==1) + { + zipFile zf; + int errclose; +# ifdef USEWIN32IOAPI + zlib_filefunc_def ffunc; + fill_win32_filefunc(&ffunc); + zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); +# else + zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0); +# endif + + if (zf == NULL) + { + printf("error opening %s\n",filename_try); + err= ZIP_ERRNO; + } + else + printf("creating %s\n",filename_try); + + for (i=zipfilenamearg+1;(i='0') || (argv[i][1]<='9'))) && + (strlen(argv[i]) == 2))) + { + FILE * fin; + int size_read; + const char* filenameinzip = argv[i]; + zip_fileinfo zi; + unsigned long crcFile=0; + + zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = + zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; + zi.dosDate = 0; + zi.internal_fa = 0; + zi.external_fa = 0; + filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); + +/* + err = zipOpenNewFileInZip(zf,filenameinzip,&zi, + NULL,0,NULL,0,NULL / * comment * /, + (opt_compress_level != 0) ? Z_DEFLATED : 0, + opt_compress_level); +*/ + if ((password != NULL) && (err==ZIP_OK)) + err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); + + err = zipOpenNewFileInZip3(zf,filenameinzip,&zi, + NULL,0,NULL,0,NULL /* comment*/, + (opt_compress_level != 0) ? Z_DEFLATED : 0, + opt_compress_level,0, + /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + password,crcFile); + + if (err != ZIP_OK) + printf("error in opening %s in zipfile\n",filenameinzip); + else + { + fin = fopen(filenameinzip,"rb"); + if (fin==NULL) + { + err=ZIP_ERRNO; + printf("error in opening %s for reading\n",filenameinzip); + } + } + + if (err == ZIP_OK) + do + { + err = ZIP_OK; + size_read = (int)fread(buf,1,size_buf,fin); + if (size_read < size_buf) + if (feof(fin)==0) + { + printf("error in reading %s\n",filenameinzip); + err = ZIP_ERRNO; + } + + if (size_read>0) + { + err = zipWriteInFileInZip (zf,buf,size_read); + if (err<0) + { + printf("error in writing %s in the zipfile\n", + filenameinzip); + } + + } + } while ((err == ZIP_OK) && (size_read>0)); + + if (fin) + fclose(fin); + + if (err<0) + err=ZIP_ERRNO; + else + { + err = zipCloseFileInZip(zf); + if (err!=ZIP_OK) + printf("error in closing %s in the zipfile\n", + filenameinzip); + } + } + } + errclose = zipClose(zf,NULL); + if (errclose != ZIP_OK) + printf("error in closing %s\n",filename_try); + } + else + { + do_help(); + } + + free(buf); + return 0; +} diff --git a/contrib/minizip/mztools.c b/contrib/minizip/mztools.c index c1266bc..bc5c798 100644 --- a/contrib/minizip/mztools.c +++ b/contrib/minizip/mztools.c @@ -1,281 +1,281 @@ -/* - Additional tools for Minizip - Code: Xavier Roche '2004 - License: Same as ZLIB (www.gzip.org) -*/ - -/* Code */ -#include -#include -#include -#include "zlib.h" -#include "unzip.h" - -#define READ_8(adr) ((unsigned char)*(adr)) -#define READ_16(adr) ( READ_8(adr) | (READ_8(adr+1) << 8) ) -#define READ_32(adr) ( READ_16(adr) | (READ_16((adr)+2) << 16) ) - -#define WRITE_8(buff, n) do { \ - *((unsigned char*)(buff)) = (unsigned char) ((n) & 0xff); \ -} while(0) -#define WRITE_16(buff, n) do { \ - WRITE_8((unsigned char*)(buff), n); \ - WRITE_8(((unsigned char*)(buff)) + 1, (n) >> 8); \ -} while(0) -#define WRITE_32(buff, n) do { \ - WRITE_16((unsigned char*)(buff), (n) & 0xffff); \ - WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \ -} while(0) - -extern int ZEXPORT unzRepair(file, fileOut, fileOutTmp, nRecovered, bytesRecovered) -const char* file; -const char* fileOut; -const char* fileOutTmp; -uLong* nRecovered; -uLong* bytesRecovered; -{ - int err = Z_OK; - FILE* fpZip = fopen(file, "rb"); - FILE* fpOut = fopen(fileOut, "wb"); - FILE* fpOutCD = fopen(fileOutTmp, "wb"); - if (fpZip != NULL && fpOut != NULL) { - int entries = 0; - uLong totalBytes = 0; - char header[30]; - char filename[256]; - char extra[1024]; - int offset = 0; - int offsetCD = 0; - while ( fread(header, 1, 30, fpZip) == 30 ) { - int currentOffset = offset; - - /* File entry */ - if (READ_32(header) == 0x04034b50) { - unsigned int version = READ_16(header + 4); - unsigned int gpflag = READ_16(header + 6); - unsigned int method = READ_16(header + 8); - unsigned int filetime = READ_16(header + 10); - unsigned int filedate = READ_16(header + 12); - unsigned int crc = READ_32(header + 14); /* crc */ - unsigned int cpsize = READ_32(header + 18); /* compressed size */ - unsigned int uncpsize = READ_32(header + 22); /* uncompressed sz */ - unsigned int fnsize = READ_16(header + 26); /* file name length */ - unsigned int extsize = READ_16(header + 28); /* extra field length */ - filename[0] = extra[0] = '\0'; - - /* Header */ - if (fwrite(header, 1, 30, fpOut) == 30) { - offset += 30; - } else { - err = Z_ERRNO; - break; - } - - /* Filename */ - if (fnsize > 0) { - if (fread(filename, 1, fnsize, fpZip) == fnsize) { - if (fwrite(filename, 1, fnsize, fpOut) == fnsize) { - offset += fnsize; - } else { - err = Z_ERRNO; - break; - } - } else { - err = Z_ERRNO; - break; - } - } else { - err = Z_STREAM_ERROR; - break; - } - - /* Extra field */ - if (extsize > 0) { - if (fread(extra, 1, extsize, fpZip) == extsize) { - if (fwrite(extra, 1, extsize, fpOut) == extsize) { - offset += extsize; - } else { - err = Z_ERRNO; - break; - } - } else { - err = Z_ERRNO; - break; - } - } - - /* Data */ - { - int dataSize = cpsize; - if (dataSize == 0) { - dataSize = uncpsize; - } - if (dataSize > 0) { - char* data = malloc(dataSize); - if (data != NULL) { - if ((int)fread(data, 1, dataSize, fpZip) == dataSize) { - if ((int)fwrite(data, 1, dataSize, fpOut) == dataSize) { - offset += dataSize; - totalBytes += dataSize; - } else { - err = Z_ERRNO; - } - } else { - err = Z_ERRNO; - } - free(data); - if (err != Z_OK) { - break; - } - } else { - err = Z_MEM_ERROR; - break; - } - } - } - - /* Central directory entry */ - { - char header[46]; - char* comment = ""; - int comsize = (int) strlen(comment); - WRITE_32(header, 0x02014b50); - WRITE_16(header + 4, version); - WRITE_16(header + 6, version); - WRITE_16(header + 8, gpflag); - WRITE_16(header + 10, method); - WRITE_16(header + 12, filetime); - WRITE_16(header + 14, filedate); - WRITE_32(header + 16, crc); - WRITE_32(header + 20, cpsize); - WRITE_32(header + 24, uncpsize); - WRITE_16(header + 28, fnsize); - WRITE_16(header + 30, extsize); - WRITE_16(header + 32, comsize); - WRITE_16(header + 34, 0); /* disk # */ - WRITE_16(header + 36, 0); /* int attrb */ - WRITE_32(header + 38, 0); /* ext attrb */ - WRITE_32(header + 42, currentOffset); - /* Header */ - if (fwrite(header, 1, 46, fpOutCD) == 46) { - offsetCD += 46; - - /* Filename */ - if (fnsize > 0) { - if (fwrite(filename, 1, fnsize, fpOutCD) == fnsize) { - offsetCD += fnsize; - } else { - err = Z_ERRNO; - break; - } - } else { - err = Z_STREAM_ERROR; - break; - } - - /* Extra field */ - if (extsize > 0) { - if (fwrite(extra, 1, extsize, fpOutCD) == extsize) { - offsetCD += extsize; - } else { - err = Z_ERRNO; - break; - } - } - - /* Comment field */ - if (comsize > 0) { - if ((int)fwrite(comment, 1, comsize, fpOutCD) == comsize) { - offsetCD += comsize; - } else { - err = Z_ERRNO; - break; - } - } - - - } else { - err = Z_ERRNO; - break; - } - } - - /* Success */ - entries++; - - } else { - break; - } - } - - /* Final central directory */ - { - int entriesZip = entries; - char header[22]; - char* comment = ""; // "ZIP File recovered by zlib/minizip/mztools"; - int comsize = (int) strlen(comment); - if (entriesZip > 0xffff) { - entriesZip = 0xffff; - } - WRITE_32(header, 0x06054b50); - WRITE_16(header + 4, 0); /* disk # */ - WRITE_16(header + 6, 0); /* disk # */ - WRITE_16(header + 8, entriesZip); /* hack */ - WRITE_16(header + 10, entriesZip); /* hack */ - WRITE_32(header + 12, offsetCD); /* size of CD */ - WRITE_32(header + 16, offset); /* offset to CD */ - WRITE_16(header + 20, comsize); /* comment */ - - /* Header */ - if (fwrite(header, 1, 22, fpOutCD) == 22) { - - /* Comment field */ - if (comsize > 0) { - if ((int)fwrite(comment, 1, comsize, fpOutCD) != comsize) { - err = Z_ERRNO; - } - } - - } else { - err = Z_ERRNO; - } - } - - /* Final merge (file + central directory) */ - fclose(fpOutCD); - if (err == Z_OK) { - fpOutCD = fopen(fileOutTmp, "rb"); - if (fpOutCD != NULL) { - int nRead; - char buffer[8192]; - while ( (nRead = fread(buffer, 1, sizeof(buffer), fpOutCD)) > 0) { - if ((int)fwrite(buffer, 1, nRead, fpOut) != nRead) { - err = Z_ERRNO; - break; - } - } - fclose(fpOutCD); - } - } - - /* Close */ - fclose(fpZip); - fclose(fpOut); - - /* Wipe temporary file */ - (void)remove(fileOutTmp); - - /* Number of recovered entries */ - if (err == Z_OK) { - if (nRecovered != NULL) { - *nRecovered = entries; - } - if (bytesRecovered != NULL) { - *bytesRecovered = totalBytes; - } - } - } else { - err = Z_STREAM_ERROR; - } - return err; -} +/* + Additional tools for Minizip + Code: Xavier Roche '2004 + License: Same as ZLIB (www.gzip.org) +*/ + +/* Code */ +#include +#include +#include +#include "zlib.h" +#include "unzip.h" + +#define READ_8(adr) ((unsigned char)*(adr)) +#define READ_16(adr) ( READ_8(adr) | (READ_8(adr+1) << 8) ) +#define READ_32(adr) ( READ_16(adr) | (READ_16((adr)+2) << 16) ) + +#define WRITE_8(buff, n) do { \ + *((unsigned char*)(buff)) = (unsigned char) ((n) & 0xff); \ +} while(0) +#define WRITE_16(buff, n) do { \ + WRITE_8((unsigned char*)(buff), n); \ + WRITE_8(((unsigned char*)(buff)) + 1, (n) >> 8); \ +} while(0) +#define WRITE_32(buff, n) do { \ + WRITE_16((unsigned char*)(buff), (n) & 0xffff); \ + WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \ +} while(0) + +extern int ZEXPORT unzRepair(file, fileOut, fileOutTmp, nRecovered, bytesRecovered) +const char* file; +const char* fileOut; +const char* fileOutTmp; +uLong* nRecovered; +uLong* bytesRecovered; +{ + int err = Z_OK; + FILE* fpZip = fopen(file, "rb"); + FILE* fpOut = fopen(fileOut, "wb"); + FILE* fpOutCD = fopen(fileOutTmp, "wb"); + if (fpZip != NULL && fpOut != NULL) { + int entries = 0; + uLong totalBytes = 0; + char header[30]; + char filename[256]; + char extra[1024]; + int offset = 0; + int offsetCD = 0; + while ( fread(header, 1, 30, fpZip) == 30 ) { + int currentOffset = offset; + + /* File entry */ + if (READ_32(header) == 0x04034b50) { + unsigned int version = READ_16(header + 4); + unsigned int gpflag = READ_16(header + 6); + unsigned int method = READ_16(header + 8); + unsigned int filetime = READ_16(header + 10); + unsigned int filedate = READ_16(header + 12); + unsigned int crc = READ_32(header + 14); /* crc */ + unsigned int cpsize = READ_32(header + 18); /* compressed size */ + unsigned int uncpsize = READ_32(header + 22); /* uncompressed sz */ + unsigned int fnsize = READ_16(header + 26); /* file name length */ + unsigned int extsize = READ_16(header + 28); /* extra field length */ + filename[0] = extra[0] = '\0'; + + /* Header */ + if (fwrite(header, 1, 30, fpOut) == 30) { + offset += 30; + } else { + err = Z_ERRNO; + break; + } + + /* Filename */ + if (fnsize > 0) { + if (fread(filename, 1, fnsize, fpZip) == fnsize) { + if (fwrite(filename, 1, fnsize, fpOut) == fnsize) { + offset += fnsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_STREAM_ERROR; + break; + } + + /* Extra field */ + if (extsize > 0) { + if (fread(extra, 1, extsize, fpZip) == extsize) { + if (fwrite(extra, 1, extsize, fpOut) == extsize) { + offset += extsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_ERRNO; + break; + } + } + + /* Data */ + { + int dataSize = cpsize; + if (dataSize == 0) { + dataSize = uncpsize; + } + if (dataSize > 0) { + char* data = malloc(dataSize); + if (data != NULL) { + if ((int)fread(data, 1, dataSize, fpZip) == dataSize) { + if ((int)fwrite(data, 1, dataSize, fpOut) == dataSize) { + offset += dataSize; + totalBytes += dataSize; + } else { + err = Z_ERRNO; + } + } else { + err = Z_ERRNO; + } + free(data); + if (err != Z_OK) { + break; + } + } else { + err = Z_MEM_ERROR; + break; + } + } + } + + /* Central directory entry */ + { + char header[46]; + char* comment = ""; + int comsize = (int) strlen(comment); + WRITE_32(header, 0x02014b50); + WRITE_16(header + 4, version); + WRITE_16(header + 6, version); + WRITE_16(header + 8, gpflag); + WRITE_16(header + 10, method); + WRITE_16(header + 12, filetime); + WRITE_16(header + 14, filedate); + WRITE_32(header + 16, crc); + WRITE_32(header + 20, cpsize); + WRITE_32(header + 24, uncpsize); + WRITE_16(header + 28, fnsize); + WRITE_16(header + 30, extsize); + WRITE_16(header + 32, comsize); + WRITE_16(header + 34, 0); /* disk # */ + WRITE_16(header + 36, 0); /* int attrb */ + WRITE_32(header + 38, 0); /* ext attrb */ + WRITE_32(header + 42, currentOffset); + /* Header */ + if (fwrite(header, 1, 46, fpOutCD) == 46) { + offsetCD += 46; + + /* Filename */ + if (fnsize > 0) { + if (fwrite(filename, 1, fnsize, fpOutCD) == fnsize) { + offsetCD += fnsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_STREAM_ERROR; + break; + } + + /* Extra field */ + if (extsize > 0) { + if (fwrite(extra, 1, extsize, fpOutCD) == extsize) { + offsetCD += extsize; + } else { + err = Z_ERRNO; + break; + } + } + + /* Comment field */ + if (comsize > 0) { + if ((int)fwrite(comment, 1, comsize, fpOutCD) == comsize) { + offsetCD += comsize; + } else { + err = Z_ERRNO; + break; + } + } + + + } else { + err = Z_ERRNO; + break; + } + } + + /* Success */ + entries++; + + } else { + break; + } + } + + /* Final central directory */ + { + int entriesZip = entries; + char header[22]; + char* comment = ""; // "ZIP File recovered by zlib/minizip/mztools"; + int comsize = (int) strlen(comment); + if (entriesZip > 0xffff) { + entriesZip = 0xffff; + } + WRITE_32(header, 0x06054b50); + WRITE_16(header + 4, 0); /* disk # */ + WRITE_16(header + 6, 0); /* disk # */ + WRITE_16(header + 8, entriesZip); /* hack */ + WRITE_16(header + 10, entriesZip); /* hack */ + WRITE_32(header + 12, offsetCD); /* size of CD */ + WRITE_32(header + 16, offset); /* offset to CD */ + WRITE_16(header + 20, comsize); /* comment */ + + /* Header */ + if (fwrite(header, 1, 22, fpOutCD) == 22) { + + /* Comment field */ + if (comsize > 0) { + if ((int)fwrite(comment, 1, comsize, fpOutCD) != comsize) { + err = Z_ERRNO; + } + } + + } else { + err = Z_ERRNO; + } + } + + /* Final merge (file + central directory) */ + fclose(fpOutCD); + if (err == Z_OK) { + fpOutCD = fopen(fileOutTmp, "rb"); + if (fpOutCD != NULL) { + int nRead; + char buffer[8192]; + while ( (nRead = (int)fread(buffer, 1, sizeof(buffer), fpOutCD)) > 0) { + if ((int)fwrite(buffer, 1, nRead, fpOut) != nRead) { + err = Z_ERRNO; + break; + } + } + fclose(fpOutCD); + } + } + + /* Close */ + fclose(fpZip); + fclose(fpOut); + + /* Wipe temporary file */ + (void)remove(fileOutTmp); + + /* Number of recovered entries */ + if (err == Z_OK) { + if (nRecovered != NULL) { + *nRecovered = entries; + } + if (bytesRecovered != NULL) { + *bytesRecovered = totalBytes; + } + } + } else { + err = Z_STREAM_ERROR; + } + return err; +} diff --git a/contrib/minizip/mztools.h b/contrib/minizip/mztools.h index 88b3459..82d1597 100644 --- a/contrib/minizip/mztools.h +++ b/contrib/minizip/mztools.h @@ -1,31 +1,31 @@ -/* - Additional tools for Minizip - Code: Xavier Roche '2004 - License: Same as ZLIB (www.gzip.org) -*/ - -#ifndef _zip_tools_H -#define _zip_tools_H - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef _ZLIB_H -#include "zlib.h" -#endif - -#include "unzip.h" - -/* Repair a ZIP file (missing central directory) - file: file to recover - fileOut: output file after recovery - fileOutTmp: temporary file name used for recovery -*/ -extern int ZEXPORT unzRepair(const char* file, - const char* fileOut, - const char* fileOutTmp, - uLong* nRecovered, - uLong* bytesRecovered); - -#endif +/* + Additional tools for Minizip + Code: Xavier Roche '2004 + License: Same as ZLIB (www.gzip.org) +*/ + +#ifndef _zip_tools_H +#define _zip_tools_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#include "unzip.h" + +/* Repair a ZIP file (missing central directory) + file: file to recover + fileOut: output file after recovery + fileOutTmp: temporary file name used for recovery +*/ +extern int ZEXPORT unzRepair(const char* file, + const char* fileOut, + const char* fileOutTmp, + uLong* nRecovered, + uLong* bytesRecovered); + +#endif diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c index e14de9e..3a70629 100644 --- a/contrib/minizip/unzip.c +++ b/contrib/minizip/unzip.c @@ -1,1595 +1,1598 @@ -/* unzip.c -- IO for uncompress .zip files using zlib - Version 1.01d, September 22th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant - - Read unzip.h for more info -*/ - -/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of -compatibility with older software. The following is from the original crypt.c. Code -woven in by Terry Thorsen 1/2003. -*/ -/* - Copyright (c) 1990-2000 Info-ZIP. All rights reserved. - - See the accompanying file LICENSE, version 2000-Apr-09 or later - (the contents of which are also included in zip.h) for terms of use. - If, for some reason, all these files are missing, the Info-ZIP license - also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html -*/ -/* - crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] - - The encryption/decryption parts of this source code (as opposed to the - non-echoing password parts) were originally written in Europe. The - whole source package can be freely distributed, including from the USA. - (Prior to January 2000, re-export from the US was a violation of US law.) - */ - -/* - This encryption code is a direct transcription of the algorithm from - Roger Schlafly, described by Phil Katz in the file appnote.txt. This - file (appnote.txt) is distributed with the PKZIP program (even in the - version without encryption capabilities). - */ - - -#include -#include -#include -#include "zlib.h" -#include "unzip.h" - -#ifdef STDC -# include -# include -# include -#endif -#ifdef NO_ERRNO_H - extern int errno; -#else -# include -#endif - - -#ifndef local -# define local static -#endif -/* compile with -Dlocal if your debugger can't find static symbols */ - - -#ifndef CASESENSITIVITYDEFAULT_NO -# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) -# define CASESENSITIVITYDEFAULT_NO -# endif -#endif - - -#ifndef UNZ_BUFSIZE -#define UNZ_BUFSIZE (16384) -#endif - -#ifndef UNZ_MAXFILENAMEINZIP -#define UNZ_MAXFILENAMEINZIP (256) -#endif - -#ifndef ALLOC -# define ALLOC(size) (malloc(size)) -#endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif - -#define SIZECENTRALDIRITEM (0x2e) -#define SIZEZIPLOCALHEADER (0x1e) - - - - -const char unz_copyright[] = - " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; - -/* unz_file_info_interntal contain internal info about a file in zipfile*/ -typedef struct unz_file_info_internal_s -{ - uLong offset_curfile;/* relative offset of local header 4 bytes */ -} unz_file_info_internal; - - -/* file_in_zip_read_info_s contain internal information about a file in zipfile, - when reading and decompress it */ -typedef struct -{ - char *read_buffer; /* internal buffer for compressed data */ - z_stream stream; /* zLib stream structure for inflate */ - - uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ - uLong stream_initialised; /* flag set if stream structure is initialised*/ - - uLong offset_local_extrafield;/* offset of the local extra field */ - uInt size_local_extrafield;/* size of the local extra field */ - uLong pos_local_extrafield; /* position in the local extra field in read*/ - - uLong crc32; /* crc32 of all data uncompressed */ - uLong crc32_wait; /* crc32 we must obtain after decompress all */ - uLong rest_read_compressed; /* number of byte to be decompressed */ - uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/ - zlib_filefunc_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ - uLong compression_method; /* compression method (0==store) */ - uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ - int raw; -} file_in_zip_read_info_s; - - -/* unz_s contain internal information about the zipfile -*/ -typedef struct -{ - zlib_filefunc_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ - unz_global_info gi; /* public global information */ - uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ - uLong num_file; /* number of the current file in the zipfile*/ - uLong pos_in_central_dir; /* pos of the current file in the central dir*/ - uLong current_file_ok; /* flag about the usability of the current file*/ - uLong central_pos; /* position of the beginning of the central dir*/ - - uLong size_central_dir; /* size of the central directory */ - uLong offset_central_dir; /* offset of start of central directory with - respect to the starting disk number */ - - unz_file_info cur_file_info; /* public info about the current file in zip*/ - unz_file_info_internal cur_file_info_internal; /* private info about it*/ - file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current - file if we are decompressing it */ - int encrypted; -# ifndef NOUNCRYPT - unsigned long keys[3]; /* keys defining the pseudo-random sequence */ - const unsigned long* pcrc_32_tab; -# endif -} unz_s; - - -#ifndef NOUNCRYPT -#include "crypt.h" -#endif - -/* =========================================================================== - Read a byte from a gz_stream; update next_in and avail_in. Return EOF - for end of file. - IN assertion: the stream s has been sucessfully opened for reading. -*/ - - -local int unzlocal_getByte OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - int *pi)); - -local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - int *pi; -{ - unsigned char c; - int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); - if (err==1) - { - *pi = (int)c; - return UNZ_OK; - } - else - { - if (ZERROR(*pzlib_filefunc_def,filestream)) - return UNZ_ERRNO; - else - return UNZ_EOF; - } -} - - -/* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets -*/ -local int unzlocal_getShort OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ - uLong x ; - int i; - int err; - - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==UNZ_OK) - *pX = x; - else - *pX = 0; - return err; -} - -local int unzlocal_getLong OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ - uLong x ; - int i; - int err; - - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<16; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<24; - - if (err==UNZ_OK) - *pX = x; - else - *pX = 0; - return err; -} - - -/* My own strcmpi / strcasecmp */ -local int strcmpcasenosensitive_internal (fileName1,fileName2) - const char* fileName1; - const char* fileName2; -{ - for (;;) - { - char c1=*(fileName1++); - char c2=*(fileName2++); - if ((c1>='a') && (c1<='z')) - c1 -= 0x20; - if ((c2>='a') && (c2<='z')) - c2 -= 0x20; - if (c1=='\0') - return ((c2=='\0') ? 0 : -1); - if (c2=='\0') - return 1; - if (c1c2) - return 1; - } -} - - -#ifdef CASESENSITIVITYDEFAULT_NO -#define CASESENSITIVITYDEFAULTVALUE 2 -#else -#define CASESENSITIVITYDEFAULTVALUE 1 -#endif - -#ifndef STRCMPCASENOSENTIVEFUNCTION -#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal -#endif - -/* - Compare two filename (fileName1,fileName2). - If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) - If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi - or strcasecmp) - If iCaseSenisivity = 0, case sensitivity is defaut of your operating system - (like 1 on Unix, 2 on Windows) - -*/ -extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity) - const char* fileName1; - const char* fileName2; - int iCaseSensitivity; -{ - if (iCaseSensitivity==0) - iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; - - if (iCaseSensitivity==1) - return strcmp(fileName1,fileName2); - - return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2); -} - -#ifndef BUFREADCOMMENT -#define BUFREADCOMMENT (0x400) -#endif - -/* - Locate the Central directory of a zipfile (at the end, just before - the global comment) -*/ -local uLong unzlocal_SearchCentralDir OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream)); - -local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; -{ - unsigned char* buf; - uLong uSizeFile; - uLong uBackRead; - uLong uMaxBack=0xffff; /* maximum size of global comment */ - uLong uPosFound=0; - - if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; - - - uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); - - if (uMaxBack>uSizeFile) - uMaxBack = uSizeFile; - - buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); - if (buf==NULL) - return 0; - - uBackRead = 4; - while (uBackReaduMaxBack) - uBackRead = uMaxBack; - else - uBackRead+=BUFREADCOMMENT; - uReadPos = uSizeFile-uBackRead ; - - uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? - (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); - if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) - break; - - if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) - break; - - for (i=(int)uReadSize-3; (i--)>0;) - if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && - ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) - { - uPosFound = uReadPos+i; - break; - } - - if (uPosFound!=0) - break; - } - TRYFREE(buf); - return uPosFound; -} - -/* - Open a Zip file. path contain the full pathname (by example, - on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer - "zlib/zlib114.zip". - If the zipfile cannot be opened (file doesn't exist or in not valid), the - return value is NULL. - Else, the return value is a unzFile Handle, usable with other function - of this unzip package. -*/ -extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def) - const char *path; - zlib_filefunc_def* pzlib_filefunc_def; -{ - unz_s us; - unz_s *s; - uLong central_pos,uL; - - uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ - uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ - uLong number_entry_CD; /* total number of entries in - the central dir - (same than number_entry on nospan) */ - - int err=UNZ_OK; - - if (unz_copyright[0]!=' ') - return NULL; - - if (pzlib_filefunc_def==NULL) - fill_fopen_filefunc(&us.z_filefunc); - else - us.z_filefunc = *pzlib_filefunc_def; - - us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque, - path, - ZLIB_FILEFUNC_MODE_READ | - ZLIB_FILEFUNC_MODE_EXISTING); - if (us.filestream==NULL) - return NULL; - - central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream); - if (central_pos==0) - err=UNZ_ERRNO; - - if (ZSEEK(us.z_filefunc, us.filestream, - central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) - err=UNZ_ERRNO; - - /* the signature, already checked */ - if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) - err=UNZ_ERRNO; - - /* number of this disk */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) - err=UNZ_ERRNO; - - /* number of the disk with the start of the central directory */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) - err=UNZ_ERRNO; - - /* total number of entries in the central dir on this disk */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK) - err=UNZ_ERRNO; - - /* total number of entries in the central dir */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK) - err=UNZ_ERRNO; - - if ((number_entry_CD!=us.gi.number_entry) || - (number_disk_with_CD!=0) || - (number_disk!=0)) - err=UNZ_BADZIPFILE; - - /* size of the central directory */ - if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK) - err=UNZ_ERRNO; - - /* offset of start of central directory with respect to the - starting disk number */ - if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK) - err=UNZ_ERRNO; - - /* zipfile comment length */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) - err=UNZ_ERRNO; - - if ((central_pospfile_in_zip_read!=NULL) - unzCloseCurrentFile(file); - - ZCLOSE(s->z_filefunc, s->filestream); - TRYFREE(s); - return UNZ_OK; -} - - -/* - Write info about the ZipFile in the *pglobal_info structure. - No preparation of the structure is needed - return UNZ_OK if there is no problem. */ -extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info) - unzFile file; - unz_global_info *pglobal_info; -{ - unz_s* s; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - *pglobal_info=s->gi; - return UNZ_OK; -} - - -/* - Translate date/time from Dos format to tm_unz (readable more easilty) -*/ -local void unzlocal_DosDateToTmuDate (ulDosDate, ptm) - uLong ulDosDate; - tm_unz* ptm; -{ - uLong uDate; - uDate = (uLong)(ulDosDate>>16); - ptm->tm_mday = (uInt)(uDate&0x1f) ; - ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ; - ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ; - - ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800); - ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ; - ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ; -} - -/* - Get Info about the current file in the zipfile, with internal only info -*/ -local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file, - unz_file_info *pfile_info, - unz_file_info_internal - *pfile_info_internal, - char *szFileName, - uLong fileNameBufferSize, - void *extraField, - uLong extraFieldBufferSize, - char *szComment, - uLong commentBufferSize)); - -local int unzlocal_GetCurrentFileInfoInternal (file, - pfile_info, - pfile_info_internal, - szFileName, fileNameBufferSize, - extraField, extraFieldBufferSize, - szComment, commentBufferSize) - unzFile file; - unz_file_info *pfile_info; - unz_file_info_internal *pfile_info_internal; - char *szFileName; - uLong fileNameBufferSize; - void *extraField; - uLong extraFieldBufferSize; - char *szComment; - uLong commentBufferSize; -{ - unz_s* s; - unz_file_info file_info; - unz_file_info_internal file_info_internal; - int err=UNZ_OK; - uLong uMagic; - long lSeek=0; - - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - if (ZSEEK(s->z_filefunc, s->filestream, - s->pos_in_central_dir+s->byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET)!=0) - err=UNZ_ERRNO; - - - /* we check the magic */ - if (err==UNZ_OK) - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) - err=UNZ_ERRNO; - else if (uMagic!=0x02014b50) - err=UNZ_BADZIPFILE; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK) - err=UNZ_ERRNO; - - unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) - err=UNZ_ERRNO; - - lSeek+=file_info.size_filename; - if ((err==UNZ_OK) && (szFileName!=NULL)) - { - uLong uSizeRead ; - if (file_info.size_filename0) && (fileNameBufferSize>0)) - if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) - err=UNZ_ERRNO; - lSeek -= uSizeRead; - } - - - if ((err==UNZ_OK) && (extraField!=NULL)) - { - uLong uSizeRead ; - if (file_info.size_file_extraz_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) - lSeek=0; - else - err=UNZ_ERRNO; - if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) - if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead) - err=UNZ_ERRNO; - lSeek += file_info.size_file_extra - uSizeRead; - } - else - lSeek+=file_info.size_file_extra; - - - if ((err==UNZ_OK) && (szComment!=NULL)) - { - uLong uSizeRead ; - if (file_info.size_file_commentz_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) - lSeek=0; - else - err=UNZ_ERRNO; - if ((file_info.size_file_comment>0) && (commentBufferSize>0)) - if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead) - err=UNZ_ERRNO; - lSeek+=file_info.size_file_comment - uSizeRead; - } - else - lSeek+=file_info.size_file_comment; - - if ((err==UNZ_OK) && (pfile_info!=NULL)) - *pfile_info=file_info; - - if ((err==UNZ_OK) && (pfile_info_internal!=NULL)) - *pfile_info_internal=file_info_internal; - - return err; -} - - - -/* - Write info about the ZipFile in the *pglobal_info structure. - No preparation of the structure is needed - return UNZ_OK if there is no problem. -*/ -extern int ZEXPORT unzGetCurrentFileInfo (file, - pfile_info, - szFileName, fileNameBufferSize, - extraField, extraFieldBufferSize, - szComment, commentBufferSize) - unzFile file; - unz_file_info *pfile_info; - char *szFileName; - uLong fileNameBufferSize; - void *extraField; - uLong extraFieldBufferSize; - char *szComment; - uLong commentBufferSize; -{ - return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL, - szFileName,fileNameBufferSize, - extraField,extraFieldBufferSize, - szComment,commentBufferSize); -} - -/* - Set the current file of the zipfile to the first file. - return UNZ_OK if there is no problem -*/ -extern int ZEXPORT unzGoToFirstFile (file) - unzFile file; -{ - int err=UNZ_OK; - unz_s* s; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - s->pos_in_central_dir=s->offset_central_dir; - s->num_file=0; - err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, - &s->cur_file_info_internal, - NULL,0,NULL,0,NULL,0); - s->current_file_ok = (err == UNZ_OK); - return err; -} - -/* - Set the current file of the zipfile to the next file. - return UNZ_OK if there is no problem - return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. -*/ -extern int ZEXPORT unzGoToNextFile (file) - unzFile file; -{ - unz_s* s; - int err; - - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */ - if (s->num_file+1==s->gi.number_entry) - return UNZ_END_OF_LIST_OF_FILE; - - s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + - s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ; - s->num_file++; - err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, - &s->cur_file_info_internal, - NULL,0,NULL,0,NULL,0); - s->current_file_ok = (err == UNZ_OK); - return err; -} - - -/* - Try locate the file szFileName in the zipfile. - For the iCaseSensitivity signification, see unzipStringFileNameCompare - - return value : - UNZ_OK if the file is found. It becomes the current file. - UNZ_END_OF_LIST_OF_FILE if the file is not found -*/ -extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) - unzFile file; - const char *szFileName; - int iCaseSensitivity; -{ - unz_s* s; - int err; - - /* We remember the 'current' position in the file so that we can jump - * back there if we fail. - */ - unz_file_info cur_file_infoSaved; - unz_file_info_internal cur_file_info_internalSaved; - uLong num_fileSaved; - uLong pos_in_central_dirSaved; - - - if (file==NULL) - return UNZ_PARAMERROR; - - if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP) - return UNZ_PARAMERROR; - - s=(unz_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - - /* Save the current state */ - num_fileSaved = s->num_file; - pos_in_central_dirSaved = s->pos_in_central_dir; - cur_file_infoSaved = s->cur_file_info; - cur_file_info_internalSaved = s->cur_file_info_internal; - - err = unzGoToFirstFile(file); - - while (err == UNZ_OK) - { - char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; - err = unzGetCurrentFileInfo(file,NULL, - szCurrentFileName,sizeof(szCurrentFileName)-1, - NULL,0,NULL,0); - if (err == UNZ_OK) - { - if (unzStringFileNameCompare(szCurrentFileName, - szFileName,iCaseSensitivity)==0) - return UNZ_OK; - err = unzGoToNextFile(file); - } - } - - /* We failed, so restore the state of the 'current file' to where we - * were. - */ - s->num_file = num_fileSaved ; - s->pos_in_central_dir = pos_in_central_dirSaved ; - s->cur_file_info = cur_file_infoSaved; - s->cur_file_info_internal = cur_file_info_internalSaved; - return err; -} - - -/* -/////////////////////////////////////////// -// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net) -// I need random access -// -// Further optimization could be realized by adding an ability -// to cache the directory in memory. The goal being a single -// comprehensive file read to put the file I need in a memory. -*/ - -/* -typedef struct unz_file_pos_s -{ - uLong pos_in_zip_directory; // offset in file - uLong num_of_file; // # of file -} unz_file_pos; -*/ - -extern int ZEXPORT unzGetFilePos(file, file_pos) - unzFile file; - unz_file_pos* file_pos; -{ - unz_s* s; - - if (file==NULL || file_pos==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - - file_pos->pos_in_zip_directory = s->pos_in_central_dir; - file_pos->num_of_file = s->num_file; - - return UNZ_OK; -} - -extern int ZEXPORT unzGoToFilePos(file, file_pos) - unzFile file; - unz_file_pos* file_pos; -{ - unz_s* s; - int err; - - if (file==NULL || file_pos==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - - /* jump to the right spot */ - s->pos_in_central_dir = file_pos->pos_in_zip_directory; - s->num_file = file_pos->num_of_file; - - /* set the current file */ - err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, - &s->cur_file_info_internal, - NULL,0,NULL,0,NULL,0); - /* return results */ - s->current_file_ok = (err == UNZ_OK); - return err; -} - -/* -// Unzip Helper Functions - should be here? -/////////////////////////////////////////// -*/ - -/* - Read the local header of the current zipfile - Check the coherency of the local header and info in the end of central - directory about this file - store in *piSizeVar the size of extra info in local header - (filename and size of extra field data) -*/ -local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, - poffset_local_extrafield, - psize_local_extrafield) - unz_s* s; - uInt* piSizeVar; - uLong *poffset_local_extrafield; - uInt *psize_local_extrafield; -{ - uLong uMagic,uData,uFlags; - uLong size_filename; - uLong size_extra_field; - int err=UNZ_OK; - - *piSizeVar = 0; - *poffset_local_extrafield = 0; - *psize_local_extrafield = 0; - - if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile + - s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) - return UNZ_ERRNO; - - - if (err==UNZ_OK) - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) - err=UNZ_ERRNO; - else if (uMagic!=0x04034b50) - err=UNZ_BADZIPFILE; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) - err=UNZ_ERRNO; -/* - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) - err=UNZ_BADZIPFILE; -*/ - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) - err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method)) - err=UNZ_BADZIPFILE; - - if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) && - (s->cur_file_info.compression_method!=Z_DEFLATED)) - err=UNZ_BADZIPFILE; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */ - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */ - err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && - ((uFlags & 8)==0)) - err=UNZ_BADZIPFILE; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */ - err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && - ((uFlags & 8)==0)) - err=UNZ_BADZIPFILE; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */ - err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && - ((uFlags & 8)==0)) - err=UNZ_BADZIPFILE; - - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK) - err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename)) - err=UNZ_BADZIPFILE; - - *piSizeVar += (uInt)size_filename; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK) - err=UNZ_ERRNO; - *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + - SIZEZIPLOCALHEADER + size_filename; - *psize_local_extrafield = (uInt)size_extra_field; - - *piSizeVar += (uInt)size_extra_field; - - return err; -} - -/* - Open for reading data the current file in the zipfile. - If there is no error and the file is opened, the return value is UNZ_OK. -*/ -extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) - unzFile file; - int* method; - int* level; - int raw; - const char* password; -{ - int err=UNZ_OK; - uInt iSizeVar; - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - uLong offset_local_extrafield; /* offset of the local extra field */ - uInt size_local_extrafield; /* size of the local extra field */ -# ifndef NOUNCRYPT - char source[12]; -# else - if (password != NULL) - return UNZ_PARAMERROR; -# endif - - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - if (!s->current_file_ok) - return UNZ_PARAMERROR; - - if (s->pfile_in_zip_read != NULL) - unzCloseCurrentFile(file); - - if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar, - &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) - return UNZ_BADZIPFILE; - - pfile_in_zip_read_info = (file_in_zip_read_info_s*) - ALLOC(sizeof(file_in_zip_read_info_s)); - if (pfile_in_zip_read_info==NULL) - return UNZ_INTERNALERROR; - - pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE); - pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; - pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; - pfile_in_zip_read_info->pos_local_extrafield=0; - pfile_in_zip_read_info->raw=raw; - - if (pfile_in_zip_read_info->read_buffer==NULL) - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_INTERNALERROR; - } - - pfile_in_zip_read_info->stream_initialised=0; - - if (method!=NULL) - *method = (int)s->cur_file_info.compression_method; - - if (level!=NULL) - { - *level = 6; - switch (s->cur_file_info.flag & 0x06) - { - case 6 : *level = 1; break; - case 4 : *level = 2; break; - case 2 : *level = 9; break; - } - } - - if ((s->cur_file_info.compression_method!=0) && - (s->cur_file_info.compression_method!=Z_DEFLATED)) - err=UNZ_BADZIPFILE; - - pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc; - pfile_in_zip_read_info->crc32=0; - pfile_in_zip_read_info->compression_method = - s->cur_file_info.compression_method; - pfile_in_zip_read_info->filestream=s->filestream; - pfile_in_zip_read_info->z_filefunc=s->z_filefunc; - pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; - - pfile_in_zip_read_info->stream.total_out = 0; - - if ((s->cur_file_info.compression_method==Z_DEFLATED) && - (!raw)) - { - pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; - pfile_in_zip_read_info->stream.zfree = (free_func)0; - pfile_in_zip_read_info->stream.opaque = (voidpf)0; - pfile_in_zip_read_info->stream.next_in = (voidpf)0; - pfile_in_zip_read_info->stream.avail_in = 0; - - err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); - if (err == Z_OK) - pfile_in_zip_read_info->stream_initialised=1; - else - return err; - /* windowBits is passed < 0 to tell that there is no zlib header. - * Note that in this case inflate *requires* an extra "dummy" byte - * after the compressed stream in order to complete decompression and - * return Z_STREAM_END. - * In unzip, i don't wait absolutely Z_STREAM_END because I known the - * size of both compressed and uncompressed data - */ - } - pfile_in_zip_read_info->rest_read_compressed = - s->cur_file_info.compressed_size ; - pfile_in_zip_read_info->rest_read_uncompressed = - s->cur_file_info.uncompressed_size ; - - - pfile_in_zip_read_info->pos_in_zipfile = - s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + - iSizeVar; - - pfile_in_zip_read_info->stream.avail_in = (uInt)0; - - s->pfile_in_zip_read = pfile_in_zip_read_info; - -# ifndef NOUNCRYPT - if (password != NULL) - { - int i; - s->pcrc_32_tab = get_crc_table(); - init_keys(password,s->keys,s->pcrc_32_tab); - if (ZSEEK(s->z_filefunc, s->filestream, - s->pfile_in_zip_read->pos_in_zipfile + - s->pfile_in_zip_read->byte_before_the_zipfile, - SEEK_SET)!=0) - return UNZ_INTERNALERROR; - if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12) - return UNZ_INTERNALERROR; - - for (i = 0; i<12; i++) - zdecode(s->keys,s->pcrc_32_tab,source[i]); - - s->pfile_in_zip_read->pos_in_zipfile+=12; - s->encrypted=1; - } -# endif - - - return UNZ_OK; -} - -extern int ZEXPORT unzOpenCurrentFile (file) - unzFile file; -{ - return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); -} - -extern int ZEXPORT unzOpenCurrentFilePassword (file, password) - unzFile file; - const char* password; -{ - return unzOpenCurrentFile3(file, NULL, NULL, 0, password); -} - -extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw) - unzFile file; - int* method; - int* level; - int raw; -{ - return unzOpenCurrentFile3(file, method, level, raw, NULL); -} - -/* - Read bytes from the current file. - buf contain buffer where data must be copied - len the size of buf. - - return the number of byte copied if somes bytes are copied - return 0 if the end of file was reached - return <0 with error code if there is an error - (UNZ_ERRNO for IO error, or zLib error for uncompress error) -*/ -extern int ZEXPORT unzReadCurrentFile (file, buf, len) - unzFile file; - voidp buf; - unsigned len; -{ - int err=UNZ_OK; - uInt iRead = 0; - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - pfile_in_zip_read_info=s->pfile_in_zip_read; - - if (pfile_in_zip_read_info==NULL) - return UNZ_PARAMERROR; - - - if ((pfile_in_zip_read_info->read_buffer == NULL)) - return UNZ_END_OF_LIST_OF_FILE; - if (len==0) - return 0; - - pfile_in_zip_read_info->stream.next_out = (Bytef*)buf; - - pfile_in_zip_read_info->stream.avail_out = (uInt)len; - - if ((len>pfile_in_zip_read_info->rest_read_uncompressed) && - (!(pfile_in_zip_read_info->raw))) - pfile_in_zip_read_info->stream.avail_out = - (uInt)pfile_in_zip_read_info->rest_read_uncompressed; - - if ((len>pfile_in_zip_read_info->rest_read_compressed+ - pfile_in_zip_read_info->stream.avail_in) && - (pfile_in_zip_read_info->raw)) - pfile_in_zip_read_info->stream.avail_out = - (uInt)pfile_in_zip_read_info->rest_read_compressed+ - pfile_in_zip_read_info->stream.avail_in; - - while (pfile_in_zip_read_info->stream.avail_out>0) - { - if ((pfile_in_zip_read_info->stream.avail_in==0) && - (pfile_in_zip_read_info->rest_read_compressed>0)) - { - uInt uReadThis = UNZ_BUFSIZE; - if (pfile_in_zip_read_info->rest_read_compressedrest_read_compressed; - if (uReadThis == 0) - return UNZ_EOF; - if (ZSEEK(pfile_in_zip_read_info->z_filefunc, - pfile_in_zip_read_info->filestream, - pfile_in_zip_read_info->pos_in_zipfile + - pfile_in_zip_read_info->byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET)!=0) - return UNZ_ERRNO; - if (ZREAD(pfile_in_zip_read_info->z_filefunc, - pfile_in_zip_read_info->filestream, - pfile_in_zip_read_info->read_buffer, - uReadThis)!=uReadThis) - return UNZ_ERRNO; - - -# ifndef NOUNCRYPT - if(s->encrypted) - { - uInt i; - for(i=0;iread_buffer[i] = - zdecode(s->keys,s->pcrc_32_tab, - pfile_in_zip_read_info->read_buffer[i]); - } -# endif - - - pfile_in_zip_read_info->pos_in_zipfile += uReadThis; - - pfile_in_zip_read_info->rest_read_compressed-=uReadThis; - - pfile_in_zip_read_info->stream.next_in = - (Bytef*)pfile_in_zip_read_info->read_buffer; - pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis; - } - - if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) - { - uInt uDoCopy,i ; - - if ((pfile_in_zip_read_info->stream.avail_in == 0) && - (pfile_in_zip_read_info->rest_read_compressed == 0)) - return (iRead==0) ? UNZ_EOF : iRead; - - if (pfile_in_zip_read_info->stream.avail_out < - pfile_in_zip_read_info->stream.avail_in) - uDoCopy = pfile_in_zip_read_info->stream.avail_out ; - else - uDoCopy = pfile_in_zip_read_info->stream.avail_in ; - - for (i=0;istream.next_out+i) = - *(pfile_in_zip_read_info->stream.next_in+i); - - pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, - pfile_in_zip_read_info->stream.next_out, - uDoCopy); - pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy; - pfile_in_zip_read_info->stream.avail_in -= uDoCopy; - pfile_in_zip_read_info->stream.avail_out -= uDoCopy; - pfile_in_zip_read_info->stream.next_out += uDoCopy; - pfile_in_zip_read_info->stream.next_in += uDoCopy; - pfile_in_zip_read_info->stream.total_out += uDoCopy; - iRead += uDoCopy; - } - else - { - uLong uTotalOutBefore,uTotalOutAfter; - const Bytef *bufBefore; - uLong uOutThis; - int flush=Z_SYNC_FLUSH; - - uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; - bufBefore = pfile_in_zip_read_info->stream.next_out; - - /* - if ((pfile_in_zip_read_info->rest_read_uncompressed == - pfile_in_zip_read_info->stream.avail_out) && - (pfile_in_zip_read_info->rest_read_compressed == 0)) - flush = Z_FINISH; - */ - err=inflate(&pfile_in_zip_read_info->stream,flush); - - if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL)) - err = Z_DATA_ERROR; - - uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; - uOutThis = uTotalOutAfter-uTotalOutBefore; - - pfile_in_zip_read_info->crc32 = - crc32(pfile_in_zip_read_info->crc32,bufBefore, - (uInt)(uOutThis)); - - pfile_in_zip_read_info->rest_read_uncompressed -= - uOutThis; - - iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); - - if (err==Z_STREAM_END) - return (iRead==0) ? UNZ_EOF : iRead; - if (err!=Z_OK) - break; - } - } - - if (err==Z_OK) - return iRead; - return err; -} - - -/* - Give the current position in uncompressed data -*/ -extern z_off_t ZEXPORT unztell (file) - unzFile file; -{ - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - pfile_in_zip_read_info=s->pfile_in_zip_read; - - if (pfile_in_zip_read_info==NULL) - return UNZ_PARAMERROR; - - return (z_off_t)pfile_in_zip_read_info->stream.total_out; -} - - -/* - return 1 if the end of file was reached, 0 elsewhere -*/ -extern int ZEXPORT unzeof (file) - unzFile file; -{ - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - pfile_in_zip_read_info=s->pfile_in_zip_read; - - if (pfile_in_zip_read_info==NULL) - return UNZ_PARAMERROR; - - if (pfile_in_zip_read_info->rest_read_uncompressed == 0) - return 1; - else - return 0; -} - - - -/* - Read extra field from the current file (opened by unzOpenCurrentFile) - This is the local-header version of the extra field (sometimes, there is - more info in the local-header version than in the central-header) - - if buf==NULL, it return the size of the local extra field that can be read - - if buf!=NULL, len is the size of the buffer, the extra header is copied in - buf. - the return value is the number of bytes copied in buf, or (if <0) - the error code -*/ -extern int ZEXPORT unzGetLocalExtrafield (file,buf,len) - unzFile file; - voidp buf; - unsigned len; -{ - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - uInt read_now; - uLong size_to_read; - - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - pfile_in_zip_read_info=s->pfile_in_zip_read; - - if (pfile_in_zip_read_info==NULL) - return UNZ_PARAMERROR; - - size_to_read = (pfile_in_zip_read_info->size_local_extrafield - - pfile_in_zip_read_info->pos_local_extrafield); - - if (buf==NULL) - return (int)size_to_read; - - if (len>size_to_read) - read_now = (uInt)size_to_read; - else - read_now = (uInt)len ; - - if (read_now==0) - return 0; - - if (ZSEEK(pfile_in_zip_read_info->z_filefunc, - pfile_in_zip_read_info->filestream, - pfile_in_zip_read_info->offset_local_extrafield + - pfile_in_zip_read_info->pos_local_extrafield, - ZLIB_FILEFUNC_SEEK_SET)!=0) - return UNZ_ERRNO; - - if (ZREAD(pfile_in_zip_read_info->z_filefunc, - pfile_in_zip_read_info->filestream, - buf,read_now)!=read_now) - return UNZ_ERRNO; - - return (int)read_now; -} - -/* - Close the file in zip opened with unzipOpenCurrentFile - Return UNZ_CRCERROR if all the file was read but the CRC is not good -*/ -extern int ZEXPORT unzCloseCurrentFile (file) - unzFile file; -{ - int err=UNZ_OK; - - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - pfile_in_zip_read_info=s->pfile_in_zip_read; - - if (pfile_in_zip_read_info==NULL) - return UNZ_PARAMERROR; - - - if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && - (!pfile_in_zip_read_info->raw)) - { - if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) - err=UNZ_CRCERROR; - } - - - TRYFREE(pfile_in_zip_read_info->read_buffer); - pfile_in_zip_read_info->read_buffer = NULL; - if (pfile_in_zip_read_info->stream_initialised) - inflateEnd(&pfile_in_zip_read_info->stream); - - pfile_in_zip_read_info->stream_initialised = 0; - TRYFREE(pfile_in_zip_read_info); - - s->pfile_in_zip_read=NULL; - - return err; -} - - -/* - Get the global comment string of the ZipFile, in the szComment buffer. - uSizeBuf is the size of the szComment buffer. - return the number of byte copied or an error code <0 -*/ -extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) - unzFile file; - char *szComment; - uLong uSizeBuf; -{ - int err=UNZ_OK; - unz_s* s; - uLong uReadThis ; - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - - uReadThis = uSizeBuf; - if (uReadThis>s->gi.size_comment) - uReadThis = s->gi.size_comment; - - if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0) - return UNZ_ERRNO; - - if (uReadThis>0) - { - *szComment='\0'; - if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) - return UNZ_ERRNO; - } - - if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment)) - *(szComment+s->gi.size_comment)='\0'; - return (int)uReadThis; -} - -/* Additions by RX '2004 */ -extern uLong ZEXPORT unzGetOffset (file) - unzFile file; -{ - unz_s* s; - - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - if (!s->current_file_ok) - return 0; - if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) - if (s->num_file==s->gi.number_entry) - return 0; - return s->pos_in_central_dir; -} - -extern int ZEXPORT unzSetOffset (file, pos) - unzFile file; - uLong pos; -{ - unz_s* s; - int err; - - if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; - - s->pos_in_central_dir = pos; - s->num_file = s->gi.number_entry; /* hack */ - err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, - &s->cur_file_info_internal, - NULL,0,NULL,0,NULL,0); - s->current_file_ok = (err == UNZ_OK); - return err; -} +/* unzip.c -- IO for uncompress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + Read unzip.h for more info +*/ + +/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of +compatibility with older software. The following is from the original crypt.c. Code +woven in by Terry Thorsen 1/2003. +*/ +/* + Copyright (c) 1990-2000 Info-ZIP. All rights reserved. + + See the accompanying file LICENSE, version 2000-Apr-09 or later + (the contents of which are also included in zip.h) for terms of use. + If, for some reason, all these files are missing, the Info-ZIP license + also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html +*/ +/* + crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + */ + +/* + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + */ + + +#include +#include +#include +#include "zlib.h" +#include "unzip.h" + +#ifdef STDC +# include +# include +# include +#endif +#ifdef NO_ERRNO_H + extern int errno; +#else +# include +#endif + + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + + +#ifndef CASESENSITIVITYDEFAULT_NO +# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) +# define CASESENSITIVITYDEFAULT_NO +# endif +#endif + + +#ifndef UNZ_BUFSIZE +#define UNZ_BUFSIZE (16384) +#endif + +#ifndef UNZ_MAXFILENAMEINZIP +#define UNZ_MAXFILENAMEINZIP (256) +#endif + +#ifndef ALLOC +# define ALLOC(size) (malloc(size)) +#endif +#ifndef TRYFREE +# define TRYFREE(p) {if (p) free(p);} +#endif + +#define SIZECENTRALDIRITEM (0x2e) +#define SIZEZIPLOCALHEADER (0x1e) + + + + +const char unz_copyright[] = + " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; + +/* unz_file_info_interntal contain internal info about a file in zipfile*/ +typedef struct unz_file_info_internal_s +{ + uLong offset_curfile;/* relative offset of local header 4 bytes */ +} unz_file_info_internal; + + +/* file_in_zip_read_info_s contain internal information about a file in zipfile, + when reading and decompress it */ +typedef struct +{ + char *read_buffer; /* internal buffer for compressed data */ + z_stream stream; /* zLib stream structure for inflate */ + + uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ + uLong stream_initialised; /* flag set if stream structure is initialised*/ + + uLong offset_local_extrafield;/* offset of the local extra field */ + uInt size_local_extrafield;/* size of the local extra field */ + uLong pos_local_extrafield; /* position in the local extra field in read*/ + + uLong crc32; /* crc32 of all data uncompressed */ + uLong crc32_wait; /* crc32 we must obtain after decompress all */ + uLong rest_read_compressed; /* number of byte to be decompressed */ + uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/ + zlib_filefunc_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + uLong compression_method; /* compression method (0==store) */ + uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + int raw; +} file_in_zip_read_info_s; + + +/* unz_s contain internal information about the zipfile +*/ +typedef struct +{ + zlib_filefunc_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + unz_global_info gi; /* public global information */ + uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + uLong num_file; /* number of the current file in the zipfile*/ + uLong pos_in_central_dir; /* pos of the current file in the central dir*/ + uLong current_file_ok; /* flag about the usability of the current file*/ + uLong central_pos; /* position of the beginning of the central dir*/ + + uLong size_central_dir; /* size of the central directory */ + uLong offset_central_dir; /* offset of start of central directory with + respect to the starting disk number */ + + unz_file_info cur_file_info; /* public info about the current file in zip*/ + unz_file_info_internal cur_file_info_internal; /* private info about it*/ + file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current + file if we are decompressing it */ + int encrypted; +# ifndef NOUNCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const unsigned long* pcrc_32_tab; +# endif +} unz_s; + + +#ifndef NOUNCRYPT +#include "crypt.h" +#endif + +/* =========================================================================== + Read a byte from a gz_stream; update next_in and avail_in. Return EOF + for end of file. + IN assertion: the stream s has been sucessfully opened for reading. +*/ + + +local int unzlocal_getByte OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + int *pi)); + +local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + int *pi; +{ + unsigned char c; + int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); + if (err==1) + { + *pi = (int)c; + return UNZ_OK; + } + else + { + if (ZERROR(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } +} + + +/* =========================================================================== + Reads a long in LSB order from the given gz_stream. Sets +*/ +local int unzlocal_getShort OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong *pX; +{ + uLong x ; + int i; + int err; + + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int unzlocal_getLong OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong *pX; +{ + uLong x ; + int i; + int err; + + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<16; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + + +/* My own strcmpi / strcasecmp */ +local int strcmpcasenosensitive_internal (fileName1,fileName2) + const char* fileName1; + const char* fileName2; +{ + for (;;) + { + char c1=*(fileName1++); + char c2=*(fileName2++); + if ((c1>='a') && (c1<='z')) + c1 -= 0x20; + if ((c2>='a') && (c2<='z')) + c2 -= 0x20; + if (c1=='\0') + return ((c2=='\0') ? 0 : -1); + if (c2=='\0') + return 1; + if (c1c2) + return 1; + } +} + + +#ifdef CASESENSITIVITYDEFAULT_NO +#define CASESENSITIVITYDEFAULTVALUE 2 +#else +#define CASESENSITIVITYDEFAULTVALUE 1 +#endif + +#ifndef STRCMPCASENOSENTIVEFUNCTION +#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal +#endif + +/* + Compare two filename (fileName1,fileName2). + If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) + +*/ +extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity) + const char* fileName1; + const char* fileName2; + int iCaseSensitivity; +{ + if (iCaseSensitivity==0) + iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; + + if (iCaseSensitivity==1) + return strcmp(fileName1,fileName2); + + return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2); +} + +#ifndef BUFREADCOMMENT +#define BUFREADCOMMENT (0x400) +#endif + +/* + Locate the Central directory of a zipfile (at the end, just before + the global comment) +*/ +local uLong unzlocal_SearchCentralDir OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream)); + +local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; +{ + unsigned char* buf; + uLong uSizeFile; + uLong uBackRead; + uLong uMaxBack=0xffff; /* maximum size of global comment */ + uLong uPosFound=0; + + if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + + uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); + if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) + { + uPosFound = uReadPos+i; + break; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + return uPosFound; +} + +/* + Open a Zip file. path contain the full pathname (by example, + on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer + "zlib/zlib114.zip". + If the zipfile cannot be opened (file doesn't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. +*/ +extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def) + const char *path; + zlib_filefunc_def* pzlib_filefunc_def; +{ + unz_s us; + unz_s *s; + uLong central_pos,uL; + + uLong number_disk; /* number of the current dist, used for + spaning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spaning ZIP, unsupported, always 0*/ + uLong number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + + int err=UNZ_OK; + + if (unz_copyright[0]!=' ') + return NULL; + + if (pzlib_filefunc_def==NULL) + fill_fopen_filefunc(&us.z_filefunc); + else + us.z_filefunc = *pzlib_filefunc_def; + + us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque, + path, + ZLIB_FILEFUNC_MODE_READ | + ZLIB_FILEFUNC_MODE_EXISTING); + if (us.filestream==NULL) + return NULL; + + central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream); + if (central_pos==0) + err=UNZ_ERRNO; + + if (ZSEEK(us.z_filefunc, us.filestream, + central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + /* the signature, already checked */ + if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of this disk */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of the disk with the start of the central directory */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + /* total number of entries in the central dir on this disk */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK) + err=UNZ_ERRNO; + + /* total number of entries in the central dir */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + if ((number_entry_CD!=us.gi.number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=UNZ_BADZIPFILE; + + /* size of the central directory */ + if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK) + err=UNZ_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK) + err=UNZ_ERRNO; + + /* zipfile comment length */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) + err=UNZ_ERRNO; + + if ((central_pospfile_in_zip_read!=NULL) + unzCloseCurrentFile(file); + + ZCLOSE(s->z_filefunc, s->filestream); + TRYFREE(s); + return UNZ_OK; +} + + +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ +extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info) + unzFile file; + unz_global_info *pglobal_info; +{ + unz_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + *pglobal_info=s->gi; + return UNZ_OK; +} + + +/* + Translate date/time from Dos format to tm_unz (readable more easilty) +*/ +local void unzlocal_DosDateToTmuDate (ulDosDate, ptm) + uLong ulDosDate; + tm_unz* ptm; +{ + uLong uDate; + uDate = (uLong)(ulDosDate>>16); + ptm->tm_mday = (uInt)(uDate&0x1f) ; + ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ; + ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ; + + ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800); + ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ; + ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ; +} + +/* + Get Info about the current file in the zipfile, with internal only info +*/ +local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file, + unz_file_info *pfile_info, + unz_file_info_internal + *pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); + +local int unzlocal_GetCurrentFileInfoInternal (file, + pfile_info, + pfile_info_internal, + szFileName, fileNameBufferSize, + extraField, extraFieldBufferSize, + szComment, commentBufferSize) + unzFile file; + unz_file_info *pfile_info; + unz_file_info_internal *pfile_info_internal; + char *szFileName; + uLong fileNameBufferSize; + void *extraField; + uLong extraFieldBufferSize; + char *szComment; + uLong commentBufferSize; +{ + unz_s* s; + unz_file_info file_info; + unz_file_info_internal file_info_internal; + int err=UNZ_OK; + uLong uMagic; + long lSeek=0; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (ZSEEK(s->z_filefunc, s->filestream, + s->pos_in_central_dir+s->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + + /* we check the magic */ + if (err==UNZ_OK) + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) + err=UNZ_ERRNO; + else if (uMagic!=0x02014b50) + err=UNZ_BADZIPFILE; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK) + err=UNZ_ERRNO; + + unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) + err=UNZ_ERRNO; + + lSeek+=file_info.size_filename; + if ((err==UNZ_OK) && (szFileName!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_filename0) && (fileNameBufferSize>0)) + if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + lSeek -= uSizeRead; + } + + + if ((err==UNZ_OK) && (extraField!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_file_extraz_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) + if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + lSeek += file_info.size_file_extra - uSizeRead; + } + else + lSeek+=file_info.size_file_extra; + + + if ((err==UNZ_OK) && (szComment!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_file_commentz_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + if ((file_info.size_file_comment>0) && (commentBufferSize>0)) + if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + lSeek+=file_info.size_file_comment - uSizeRead; + } + else + lSeek+=file_info.size_file_comment; + + if ((err==UNZ_OK) && (pfile_info!=NULL)) + *pfile_info=file_info; + + if ((err==UNZ_OK) && (pfile_info_internal!=NULL)) + *pfile_info_internal=file_info_internal; + + return err; +} + + + +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. +*/ +extern int ZEXPORT unzGetCurrentFileInfo (file, + pfile_info, + szFileName, fileNameBufferSize, + extraField, extraFieldBufferSize, + szComment, commentBufferSize) + unzFile file; + unz_file_info *pfile_info; + char *szFileName; + uLong fileNameBufferSize; + void *extraField; + uLong extraFieldBufferSize; + char *szComment; + uLong commentBufferSize; +{ + return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL, + szFileName,fileNameBufferSize, + extraField,extraFieldBufferSize, + szComment,commentBufferSize); +} + +/* + Set the current file of the zipfile to the first file. + return UNZ_OK if there is no problem +*/ +extern int ZEXPORT unzGoToFirstFile (file) + unzFile file; +{ + int err=UNZ_OK; + unz_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + s->pos_in_central_dir=s->offset_central_dir; + s->num_file=0; + err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* + Set the current file of the zipfile to the next file. + return UNZ_OK if there is no problem + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. +*/ +extern int ZEXPORT unzGoToNextFile (file) + unzFile file; +{ + unz_s* s; + int err; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */ + if (s->num_file+1==s->gi.number_entry) + return UNZ_END_OF_LIST_OF_FILE; + + s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + + s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ; + s->num_file++; + err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + + +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzipStringFileNameCompare + + return value : + UNZ_OK if the file is found. It becomes the current file. + UNZ_END_OF_LIST_OF_FILE if the file is not found +*/ +extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) + unzFile file; + const char *szFileName; + int iCaseSensitivity; +{ + unz_s* s; + int err; + + /* We remember the 'current' position in the file so that we can jump + * back there if we fail. + */ + unz_file_info cur_file_infoSaved; + unz_file_info_internal cur_file_info_internalSaved; + uLong num_fileSaved; + uLong pos_in_central_dirSaved; + + + if (file==NULL) + return UNZ_PARAMERROR; + + if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP) + return UNZ_PARAMERROR; + + s=(unz_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + /* Save the current state */ + num_fileSaved = s->num_file; + pos_in_central_dirSaved = s->pos_in_central_dir; + cur_file_infoSaved = s->cur_file_info; + cur_file_info_internalSaved = s->cur_file_info_internal; + + err = unzGoToFirstFile(file); + + while (err == UNZ_OK) + { + char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; + err = unzGetCurrentFileInfo(file,NULL, + szCurrentFileName,sizeof(szCurrentFileName)-1, + NULL,0,NULL,0); + if (err == UNZ_OK) + { + if (unzStringFileNameCompare(szCurrentFileName, + szFileName,iCaseSensitivity)==0) + return UNZ_OK; + err = unzGoToNextFile(file); + } + } + + /* We failed, so restore the state of the 'current file' to where we + * were. + */ + s->num_file = num_fileSaved ; + s->pos_in_central_dir = pos_in_central_dirSaved ; + s->cur_file_info = cur_file_infoSaved; + s->cur_file_info_internal = cur_file_info_internalSaved; + return err; +} + + +/* +/////////////////////////////////////////// +// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net) +// I need random access +// +// Further optimization could be realized by adding an ability +// to cache the directory in memory. The goal being a single +// comprehensive file read to put the file I need in a memory. +*/ + +/* +typedef struct unz_file_pos_s +{ + uLong pos_in_zip_directory; // offset in file + uLong num_of_file; // # of file +} unz_file_pos; +*/ + +extern int ZEXPORT unzGetFilePos(file, file_pos) + unzFile file; + unz_file_pos* file_pos; +{ + unz_s* s; + + if (file==NULL || file_pos==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + file_pos->pos_in_zip_directory = s->pos_in_central_dir; + file_pos->num_of_file = s->num_file; + + return UNZ_OK; +} + +extern int ZEXPORT unzGoToFilePos(file, file_pos) + unzFile file; + unz_file_pos* file_pos; +{ + unz_s* s; + int err; + + if (file==NULL || file_pos==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + + /* jump to the right spot */ + s->pos_in_central_dir = file_pos->pos_in_zip_directory; + s->num_file = file_pos->num_of_file; + + /* set the current file */ + err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + /* return results */ + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* +// Unzip Helper Functions - should be here? +/////////////////////////////////////////// +*/ + +/* + Read the local header of the current zipfile + Check the coherency of the local header and info in the end of central + directory about this file + store in *piSizeVar the size of extra info in local header + (filename and size of extra field data) +*/ +local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, + poffset_local_extrafield, + psize_local_extrafield) + unz_s* s; + uInt* piSizeVar; + uLong *poffset_local_extrafield; + uInt *psize_local_extrafield; +{ + uLong uMagic,uData,uFlags; + uLong size_filename; + uLong size_extra_field; + int err=UNZ_OK; + + *piSizeVar = 0; + *poffset_local_extrafield = 0; + *psize_local_extrafield = 0; + + if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile + + s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + + + if (err==UNZ_OK) + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) + err=UNZ_ERRNO; + else if (uMagic!=0x04034b50) + err=UNZ_BADZIPFILE; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) + err=UNZ_ERRNO; +/* + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) + err=UNZ_BADZIPFILE; +*/ + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method)) + err=UNZ_BADZIPFILE; + + if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) && + (s->cur_file_info.compression_method!=Z_DEFLATED)) + err=UNZ_BADZIPFILE; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */ + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */ + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && + ((uFlags & 8)==0)) + err=UNZ_BADZIPFILE; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */ + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && + ((uFlags & 8)==0)) + err=UNZ_BADZIPFILE; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */ + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && + ((uFlags & 8)==0)) + err=UNZ_BADZIPFILE; + + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK) + err=UNZ_ERRNO; + else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename)) + err=UNZ_BADZIPFILE; + + *piSizeVar += (uInt)size_filename; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK) + err=UNZ_ERRNO; + *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + + SIZEZIPLOCALHEADER + size_filename; + *psize_local_extrafield = (uInt)size_extra_field; + + *piSizeVar += (uInt)size_extra_field; + + return err; +} + +/* + Open for reading data the current file in the zipfile. + If there is no error and the file is opened, the return value is UNZ_OK. +*/ +extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) + unzFile file; + int* method; + int* level; + int raw; + const char* password; +{ + int err=UNZ_OK; + uInt iSizeVar; + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + uLong offset_local_extrafield; /* offset of the local extra field */ + uInt size_local_extrafield; /* size of the local extra field */ +# ifndef NOUNCRYPT + char source[12]; +# else + if (password != NULL) + return UNZ_PARAMERROR; +# endif + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (!s->current_file_ok) + return UNZ_PARAMERROR; + + if (s->pfile_in_zip_read != NULL) + unzCloseCurrentFile(file); + + if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar, + &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) + return UNZ_BADZIPFILE; + + pfile_in_zip_read_info = (file_in_zip_read_info_s*) + ALLOC(sizeof(file_in_zip_read_info_s)); + if (pfile_in_zip_read_info==NULL) + return UNZ_INTERNALERROR; + + pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE); + pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; + pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; + pfile_in_zip_read_info->pos_local_extrafield=0; + pfile_in_zip_read_info->raw=raw; + + if (pfile_in_zip_read_info->read_buffer==NULL) + { + TRYFREE(pfile_in_zip_read_info); + return UNZ_INTERNALERROR; + } + + pfile_in_zip_read_info->stream_initialised=0; + + if (method!=NULL) + *method = (int)s->cur_file_info.compression_method; + + if (level!=NULL) + { + *level = 6; + switch (s->cur_file_info.flag & 0x06) + { + case 6 : *level = 1; break; + case 4 : *level = 2; break; + case 2 : *level = 9; break; + } + } + + if ((s->cur_file_info.compression_method!=0) && + (s->cur_file_info.compression_method!=Z_DEFLATED)) + err=UNZ_BADZIPFILE; + + pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc; + pfile_in_zip_read_info->crc32=0; + pfile_in_zip_read_info->compression_method = + s->cur_file_info.compression_method; + pfile_in_zip_read_info->filestream=s->filestream; + pfile_in_zip_read_info->z_filefunc=s->z_filefunc; + pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; + + pfile_in_zip_read_info->stream.total_out = 0; + + if ((s->cur_file_info.compression_method==Z_DEFLATED) && + (!raw)) + { + pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; + pfile_in_zip_read_info->stream.zfree = (free_func)0; + pfile_in_zip_read_info->stream.opaque = (voidpf)0; + pfile_in_zip_read_info->stream.next_in = (voidpf)0; + pfile_in_zip_read_info->stream.avail_in = 0; + + err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); + if (err == Z_OK) + pfile_in_zip_read_info->stream_initialised=1; + else + { + TRYFREE(pfile_in_zip_read_info); + return err; + } + /* windowBits is passed < 0 to tell that there is no zlib header. + * Note that in this case inflate *requires* an extra "dummy" byte + * after the compressed stream in order to complete decompression and + * return Z_STREAM_END. + * In unzip, i don't wait absolutely Z_STREAM_END because I known the + * size of both compressed and uncompressed data + */ + } + pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size ; + pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size ; + + + pfile_in_zip_read_info->pos_in_zipfile = + s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + + iSizeVar; + + pfile_in_zip_read_info->stream.avail_in = (uInt)0; + + s->pfile_in_zip_read = pfile_in_zip_read_info; + +# ifndef NOUNCRYPT + if (password != NULL) + { + int i; + s->pcrc_32_tab = get_crc_table(); + init_keys(password,s->keys,s->pcrc_32_tab); + if (ZSEEK(s->z_filefunc, s->filestream, + s->pfile_in_zip_read->pos_in_zipfile + + s->pfile_in_zip_read->byte_before_the_zipfile, + SEEK_SET)!=0) + return UNZ_INTERNALERROR; + if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12) + return UNZ_INTERNALERROR; + + for (i = 0; i<12; i++) + zdecode(s->keys,s->pcrc_32_tab,source[i]); + + s->pfile_in_zip_read->pos_in_zipfile+=12; + s->encrypted=1; + } +# endif + + + return UNZ_OK; +} + +extern int ZEXPORT unzOpenCurrentFile (file) + unzFile file; +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); +} + +extern int ZEXPORT unzOpenCurrentFilePassword (file, password) + unzFile file; + const char* password; +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, password); +} + +extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw) + unzFile file; + int* method; + int* level; + int raw; +{ + return unzOpenCurrentFile3(file, method, level, raw, NULL); +} + +/* + Read bytes from the current file. + buf contain buffer where data must be copied + len the size of buf. + + return the number of byte copied if somes bytes are copied + return 0 if the end of file was reached + return <0 with error code if there is an error + (UNZ_ERRNO for IO error, or zLib error for uncompress error) +*/ +extern int ZEXPORT unzReadCurrentFile (file, buf, len) + unzFile file; + voidp buf; + unsigned len; +{ + int err=UNZ_OK; + uInt iRead = 0; + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + + if ((pfile_in_zip_read_info->read_buffer == NULL)) + return UNZ_END_OF_LIST_OF_FILE; + if (len==0) + return 0; + + pfile_in_zip_read_info->stream.next_out = (Bytef*)buf; + + pfile_in_zip_read_info->stream.avail_out = (uInt)len; + + if ((len>pfile_in_zip_read_info->rest_read_uncompressed) && + (!(pfile_in_zip_read_info->raw))) + pfile_in_zip_read_info->stream.avail_out = + (uInt)pfile_in_zip_read_info->rest_read_uncompressed; + + if ((len>pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in) && + (pfile_in_zip_read_info->raw)) + pfile_in_zip_read_info->stream.avail_out = + (uInt)pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in; + + while (pfile_in_zip_read_info->stream.avail_out>0) + { + if ((pfile_in_zip_read_info->stream.avail_in==0) && + (pfile_in_zip_read_info->rest_read_compressed>0)) + { + uInt uReadThis = UNZ_BUFSIZE; + if (pfile_in_zip_read_info->rest_read_compressedrest_read_compressed; + if (uReadThis == 0) + return UNZ_EOF; + if (ZSEEK(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->pos_in_zipfile + + pfile_in_zip_read_info->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + if (ZREAD(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->read_buffer, + uReadThis)!=uReadThis) + return UNZ_ERRNO; + + +# ifndef NOUNCRYPT + if(s->encrypted) + { + uInt i; + for(i=0;iread_buffer[i] = + zdecode(s->keys,s->pcrc_32_tab, + pfile_in_zip_read_info->read_buffer[i]); + } +# endif + + + pfile_in_zip_read_info->pos_in_zipfile += uReadThis; + + pfile_in_zip_read_info->rest_read_compressed-=uReadThis; + + pfile_in_zip_read_info->stream.next_in = + (Bytef*)pfile_in_zip_read_info->read_buffer; + pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis; + } + + if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) + { + uInt uDoCopy,i ; + + if ((pfile_in_zip_read_info->stream.avail_in == 0) && + (pfile_in_zip_read_info->rest_read_compressed == 0)) + return (iRead==0) ? UNZ_EOF : iRead; + + if (pfile_in_zip_read_info->stream.avail_out < + pfile_in_zip_read_info->stream.avail_in) + uDoCopy = pfile_in_zip_read_info->stream.avail_out ; + else + uDoCopy = pfile_in_zip_read_info->stream.avail_in ; + + for (i=0;istream.next_out+i) = + *(pfile_in_zip_read_info->stream.next_in+i); + + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, + pfile_in_zip_read_info->stream.next_out, + uDoCopy); + pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy; + pfile_in_zip_read_info->stream.avail_in -= uDoCopy; + pfile_in_zip_read_info->stream.avail_out -= uDoCopy; + pfile_in_zip_read_info->stream.next_out += uDoCopy; + pfile_in_zip_read_info->stream.next_in += uDoCopy; + pfile_in_zip_read_info->stream.total_out += uDoCopy; + iRead += uDoCopy; + } + else + { + uLong uTotalOutBefore,uTotalOutAfter; + const Bytef *bufBefore; + uLong uOutThis; + int flush=Z_SYNC_FLUSH; + + uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; + bufBefore = pfile_in_zip_read_info->stream.next_out; + + /* + if ((pfile_in_zip_read_info->rest_read_uncompressed == + pfile_in_zip_read_info->stream.avail_out) && + (pfile_in_zip_read_info->rest_read_compressed == 0)) + flush = Z_FINISH; + */ + err=inflate(&pfile_in_zip_read_info->stream,flush); + + if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL)) + err = Z_DATA_ERROR; + + uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + uOutThis = uTotalOutAfter-uTotalOutBefore; + + pfile_in_zip_read_info->crc32 = + crc32(pfile_in_zip_read_info->crc32,bufBefore, + (uInt)(uOutThis)); + + pfile_in_zip_read_info->rest_read_uncompressed -= + uOutThis; + + iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); + + if (err==Z_STREAM_END) + return (iRead==0) ? UNZ_EOF : iRead; + if (err!=Z_OK) + break; + } + } + + if (err==Z_OK) + return iRead; + return err; +} + + +/* + Give the current position in uncompressed data +*/ +extern z_off_t ZEXPORT unztell (file) + unzFile file; +{ + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + return (z_off_t)pfile_in_zip_read_info->stream.total_out; +} + + +/* + return 1 if the end of file was reached, 0 elsewhere +*/ +extern int ZEXPORT unzeof (file) + unzFile file; +{ + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + if (pfile_in_zip_read_info->rest_read_uncompressed == 0) + return 1; + else + return 0; +} + + + +/* + Read extra field from the current file (opened by unzOpenCurrentFile) + This is the local-header version of the extra field (sometimes, there is + more info in the local-header version than in the central-header) + + if buf==NULL, it return the size of the local extra field that can be read + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code +*/ +extern int ZEXPORT unzGetLocalExtrafield (file,buf,len) + unzFile file; + voidp buf; + unsigned len; +{ + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + uInt read_now; + uLong size_to_read; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + size_to_read = (pfile_in_zip_read_info->size_local_extrafield - + pfile_in_zip_read_info->pos_local_extrafield); + + if (buf==NULL) + return (int)size_to_read; + + if (len>size_to_read) + read_now = (uInt)size_to_read; + else + read_now = (uInt)len ; + + if (read_now==0) + return 0; + + if (ZSEEK(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->offset_local_extrafield + + pfile_in_zip_read_info->pos_local_extrafield, + ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + + if (ZREAD(pfile_in_zip_read_info->z_filefunc, + pfile_in_zip_read_info->filestream, + buf,read_now)!=read_now) + return UNZ_ERRNO; + + return (int)read_now; +} + +/* + Close the file in zip opened with unzipOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good +*/ +extern int ZEXPORT unzCloseCurrentFile (file) + unzFile file; +{ + int err=UNZ_OK; + + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + + if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && + (!pfile_in_zip_read_info->raw)) + { + if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) + err=UNZ_CRCERROR; + } + + + TRYFREE(pfile_in_zip_read_info->read_buffer); + pfile_in_zip_read_info->read_buffer = NULL; + if (pfile_in_zip_read_info->stream_initialised) + inflateEnd(&pfile_in_zip_read_info->stream); + + pfile_in_zip_read_info->stream_initialised = 0; + TRYFREE(pfile_in_zip_read_info); + + s->pfile_in_zip_read=NULL; + + return err; +} + + +/* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 +*/ +extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) + unzFile file; + char *szComment; + uLong uSizeBuf; +{ + int err=UNZ_OK; + unz_s* s; + uLong uReadThis ; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + + uReadThis = uSizeBuf; + if (uReadThis>s->gi.size_comment) + uReadThis = s->gi.size_comment; + + if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0) + return UNZ_ERRNO; + + if (uReadThis>0) + { + *szComment='\0'; + if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) + return UNZ_ERRNO; + } + + if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment)) + *(szComment+s->gi.size_comment)='\0'; + return (int)uReadThis; +} + +/* Additions by RX '2004 */ +extern uLong ZEXPORT unzGetOffset (file) + unzFile file; +{ + unz_s* s; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (!s->current_file_ok) + return 0; + if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) + if (s->num_file==s->gi.number_entry) + return 0; + return s->pos_in_central_dir; +} + +extern int ZEXPORT unzSetOffset (file, pos) + unzFile file; + uLong pos; +{ + unz_s* s; + int err; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + + s->pos_in_central_dir = pos; + s->num_file = s->gi.number_entry; /* hack */ + err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} diff --git a/contrib/minizip/unzip.h b/contrib/minizip/unzip.h index 0c7c6f1..c3206a0 100644 --- a/contrib/minizip/unzip.h +++ b/contrib/minizip/unzip.h @@ -1,352 +1,354 @@ -/* unzip.h -- IO for uncompress .zip files using zlib - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant - - This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g - WinZip, InfoZip tools and compatible. - Encryption and multi volume ZipFile (span) are not supported. - Old compressions used by old PKZip 1.x are not supported - - - I WAIT FEEDBACK at mail info@winimage.com - Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution - - Condition of use and distribution are the same than zlib : - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - -*/ - -/* for more info about .ZIP format, see - http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip - http://www.info-zip.org/pub/infozip/doc/ - PkWare has also a specification at : - ftp://ftp.pkware.com/probdesc.zip -*/ - -#ifndef _unz_H -#define _unz_H - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef _ZLIB_H -#include "zlib.h" -#endif - -#ifndef _ZLIBIOAPI_H -#include "ioapi.h" -#endif - -#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) -/* like the STRICT of WIN32, we define a pointer that cannot be converted - from (void*) without cast */ -typedef struct TagunzFile__ { int unused; } unzFile__; -typedef unzFile__ *unzFile; -#else -typedef voidp unzFile; -#endif - - -#define UNZ_OK (0) -#define UNZ_END_OF_LIST_OF_FILE (-100) -#define UNZ_ERRNO (Z_ERRNO) -#define UNZ_EOF (0) -#define UNZ_PARAMERROR (-102) -#define UNZ_BADZIPFILE (-103) -#define UNZ_INTERNALERROR (-104) -#define UNZ_CRCERROR (-105) - -/* tm_unz contain date/time info */ -typedef struct tm_unz_s -{ - uInt tm_sec; /* seconds after the minute - [0,59] */ - uInt tm_min; /* minutes after the hour - [0,59] */ - uInt tm_hour; /* hours since midnight - [0,23] */ - uInt tm_mday; /* day of the month - [1,31] */ - uInt tm_mon; /* months since January - [0,11] */ - uInt tm_year; /* years - [1980..2044] */ -} tm_unz; - -/* unz_global_info structure contain global data about the ZIPfile - These data comes from the end of central dir */ -typedef struct unz_global_info_s -{ - uLong number_entry; /* total number of entries in - the central dir on this disk */ - uLong size_comment; /* size of the global comment of the zipfile */ -} unz_global_info; - - -/* unz_file_info contain information about a file in the zipfile */ -typedef struct unz_file_info_s -{ - uLong version; /* version made by 2 bytes */ - uLong version_needed; /* version needed to extract 2 bytes */ - uLong flag; /* general purpose bit flag 2 bytes */ - uLong compression_method; /* compression method 2 bytes */ - uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ - uLong crc; /* crc-32 4 bytes */ - uLong compressed_size; /* compressed size 4 bytes */ - uLong uncompressed_size; /* uncompressed size 4 bytes */ - uLong size_filename; /* filename length 2 bytes */ - uLong size_file_extra; /* extra field length 2 bytes */ - uLong size_file_comment; /* file comment length 2 bytes */ - - uLong disk_num_start; /* disk number start 2 bytes */ - uLong internal_fa; /* internal file attributes 2 bytes */ - uLong external_fa; /* external file attributes 4 bytes */ - - tm_unz tmu_date; -} unz_file_info; - -extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, - const char* fileName2, - int iCaseSensitivity)); -/* - Compare two filename (fileName1,fileName2). - If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) - If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi - or strcasecmp) - If iCaseSenisivity = 0, case sensitivity is defaut of your operating system - (like 1 on Unix, 2 on Windows) -*/ - - -extern unzFile ZEXPORT unzOpen OF((const char *path)); -/* - Open a Zip file. path contain the full pathname (by example, - on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer - "zlib/zlib113.zip". - If the zipfile cannot be opened (file don't exist or in not valid), the - return value is NULL. - Else, the return value is a unzFile Handle, usable with other function - of this unzip package. -*/ - -extern unzFile ZEXPORT unzOpen2 OF((const char *path, - zlib_filefunc_def* pzlib_filefunc_def)); -/* - Open a Zip file, like unzOpen, but provide a set of file low level API - for read/write the zip file (see ioapi.h) -*/ - -extern int ZEXPORT unzClose OF((unzFile file)); -/* - Close a ZipFile opened with unzipOpen. - If there is files inside the .Zip opened with unzOpenCurrentFile (see later), - these files MUST be closed with unzipCloseCurrentFile before call unzipClose. - return UNZ_OK if there is no problem. */ - -extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, - unz_global_info *pglobal_info)); -/* - Write info about the ZipFile in the *pglobal_info structure. - No preparation of the structure is needed - return UNZ_OK if there is no problem. */ - - -extern int ZEXPORT unzGetGlobalComment OF((unzFile file, - char *szComment, - uLong uSizeBuf)); -/* - Get the global comment string of the ZipFile, in the szComment buffer. - uSizeBuf is the size of the szComment buffer. - return the number of byte copied or an error code <0 -*/ - - -/***************************************************************************/ -/* Unzip package allow you browse the directory of the zipfile */ - -extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); -/* - Set the current file of the zipfile to the first file. - return UNZ_OK if there is no problem -*/ - -extern int ZEXPORT unzGoToNextFile OF((unzFile file)); -/* - Set the current file of the zipfile to the next file. - return UNZ_OK if there is no problem - return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. -*/ - -extern int ZEXPORT unzLocateFile OF((unzFile file, - const char *szFileName, - int iCaseSensitivity)); -/* - Try locate the file szFileName in the zipfile. - For the iCaseSensitivity signification, see unzStringFileNameCompare - - return value : - UNZ_OK if the file is found. It becomes the current file. - UNZ_END_OF_LIST_OF_FILE if the file is not found -*/ - - -/* ****************************************** */ -/* Ryan supplied functions */ -/* unz_file_info contain information about a file in the zipfile */ -typedef struct unz_file_pos_s -{ - uLong pos_in_zip_directory; /* offset in zip file directory */ - uLong num_of_file; /* # of file */ -} unz_file_pos; - -extern int ZEXPORT unzGetFilePos( - unzFile file, - unz_file_pos* file_pos); - -extern int ZEXPORT unzGoToFilePos( - unzFile file, - unz_file_pos* file_pos); - -/* ****************************************** */ - -extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, - unz_file_info *pfile_info, - char *szFileName, - uLong fileNameBufferSize, - void *extraField, - uLong extraFieldBufferSize, - char *szComment, - uLong commentBufferSize)); -/* - Get Info about the current file - if pfile_info!=NULL, the *pfile_info structure will contain somes info about - the current file - if szFileName!=NULL, the filemane string will be copied in szFileName - (fileNameBufferSize is the size of the buffer) - if extraField!=NULL, the extra field information will be copied in extraField - (extraFieldBufferSize is the size of the buffer). - This is the Central-header version of the extra field - if szComment!=NULL, the comment string of the file will be copied in szComment - (commentBufferSize is the size of the buffer) -*/ - -/***************************************************************************/ -/* for reading the content of the current zipfile, you can open it, read data - from it, and close it (you can close it before reading all the file) - */ - -extern int ZEXPORT unzOpenCurrentFile OF((unzFile file)); -/* - Open for reading data the current file in the zipfile. - If there is no error, the return value is UNZ_OK. -*/ - -extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, - const char* password)); -/* - Open for reading data the current file in the zipfile. - password is a crypting password - If there is no error, the return value is UNZ_OK. -*/ - -extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, - int* method, - int* level, - int raw)); -/* - Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) - if raw==1 - *method will receive method of compression, *level will receive level of - compression - note : you can set level parameter as NULL (if you did not want known level, - but you CANNOT set method parameter as NULL -*/ - -extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, - int* method, - int* level, - int raw, - const char* password)); -/* - Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) - if raw==1 - *method will receive method of compression, *level will receive level of - compression - note : you can set level parameter as NULL (if you did not want known level, - but you CANNOT set method parameter as NULL -*/ - - -extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); -/* - Close the file in zip opened with unzOpenCurrentFile - Return UNZ_CRCERROR if all the file was read but the CRC is not good -*/ - -extern int ZEXPORT unzReadCurrentFile OF((unzFile file, - voidp buf, - unsigned len)); -/* - Read bytes from the current file (opened by unzOpenCurrentFile) - buf contain buffer where data must be copied - len the size of buf. - - return the number of byte copied if somes bytes are copied - return 0 if the end of file was reached - return <0 with error code if there is an error - (UNZ_ERRNO for IO error, or zLib error for uncompress error) -*/ - -extern z_off_t ZEXPORT unztell OF((unzFile file)); -/* - Give the current position in uncompressed data -*/ - -extern int ZEXPORT unzeof OF((unzFile file)); -/* - return 1 if the end of file was reached, 0 elsewhere -*/ - -extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, - voidp buf, - unsigned len)); -/* - Read extra field from the current file (opened by unzOpenCurrentFile) - This is the local-header version of the extra field (sometimes, there is - more info in the local-header version than in the central-header) - - if buf==NULL, it return the size of the local extra field - - if buf!=NULL, len is the size of the buffer, the extra header is copied in - buf. - the return value is the number of bytes copied in buf, or (if <0) - the error code -*/ - -/***************************************************************************/ - -/* Get the current file offset */ -extern uLong ZEXPORT unzGetOffset (unzFile file); - -/* Set the current file offset */ -extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); - - - -#ifdef __cplusplus -} -#endif - -#endif /* _unz_H */ +/* unzip.h -- IO for uncompress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g + WinZip, InfoZip tools and compatible. + + Multi volume ZipFile (span) are not supported. + Encryption compatible with pkzip 2.04g only supported + Old compressions used by old PKZip 1.x are not supported + + + I WAIT FEEDBACK at mail info@winimage.com + Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution + + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + +*/ + +/* for more info about .ZIP format, see + http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip + http://www.info-zip.org/pub/infozip/doc/ + PkWare has also a specification at : + ftp://ftp.pkware.com/probdesc.zip +*/ + +#ifndef _unz_H +#define _unz_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "ioapi.h" +#endif + +#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagunzFile__ { int unused; } unzFile__; +typedef unzFile__ *unzFile; +#else +typedef voidp unzFile; +#endif + + +#define UNZ_OK (0) +#define UNZ_END_OF_LIST_OF_FILE (-100) +#define UNZ_ERRNO (Z_ERRNO) +#define UNZ_EOF (0) +#define UNZ_PARAMERROR (-102) +#define UNZ_BADZIPFILE (-103) +#define UNZ_INTERNALERROR (-104) +#define UNZ_CRCERROR (-105) + +/* tm_unz contain date/time info */ +typedef struct tm_unz_s +{ + uInt tm_sec; /* seconds after the minute - [0,59] */ + uInt tm_min; /* minutes after the hour - [0,59] */ + uInt tm_hour; /* hours since midnight - [0,23] */ + uInt tm_mday; /* day of the month - [1,31] */ + uInt tm_mon; /* months since January - [0,11] */ + uInt tm_year; /* years - [1980..2044] */ +} tm_unz; + +/* unz_global_info structure contain global data about the ZIPfile + These data comes from the end of central dir */ +typedef struct unz_global_info_s +{ + uLong number_entry; /* total number of entries in + the central dir on this disk */ + uLong size_comment; /* size of the global comment of the zipfile */ +} unz_global_info; + + +/* unz_file_info contain information about a file in the zipfile */ +typedef struct unz_file_info_s +{ + uLong version; /* version made by 2 bytes */ + uLong version_needed; /* version needed to extract 2 bytes */ + uLong flag; /* general purpose bit flag 2 bytes */ + uLong compression_method; /* compression method 2 bytes */ + uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ + uLong crc; /* crc-32 4 bytes */ + uLong compressed_size; /* compressed size 4 bytes */ + uLong uncompressed_size; /* uncompressed size 4 bytes */ + uLong size_filename; /* filename length 2 bytes */ + uLong size_file_extra; /* extra field length 2 bytes */ + uLong size_file_comment; /* file comment length 2 bytes */ + + uLong disk_num_start; /* disk number start 2 bytes */ + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ + + tm_unz tmu_date; +} unz_file_info; + +extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, + const char* fileName2, + int iCaseSensitivity)); +/* + Compare two filename (fileName1,fileName2). + If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) +*/ + + +extern unzFile ZEXPORT unzOpen OF((const char *path)); +/* + Open a Zip file. path contain the full pathname (by example, + on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer + "zlib/zlib113.zip". + If the zipfile cannot be opened (file don't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. +*/ + +extern unzFile ZEXPORT unzOpen2 OF((const char *path, + zlib_filefunc_def* pzlib_filefunc_def)); +/* + Open a Zip file, like unzOpen, but provide a set of file low level API + for read/write the zip file (see ioapi.h) +*/ + +extern int ZEXPORT unzClose OF((unzFile file)); +/* + Close a ZipFile opened with unzipOpen. + If there is files inside the .Zip opened with unzOpenCurrentFile (see later), + these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + return UNZ_OK if there is no problem. */ + +extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, + unz_global_info *pglobal_info)); +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ + + +extern int ZEXPORT unzGetGlobalComment OF((unzFile file, + char *szComment, + uLong uSizeBuf)); +/* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 +*/ + + +/***************************************************************************/ +/* Unzip package allow you browse the directory of the zipfile */ + +extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); +/* + Set the current file of the zipfile to the first file. + return UNZ_OK if there is no problem +*/ + +extern int ZEXPORT unzGoToNextFile OF((unzFile file)); +/* + Set the current file of the zipfile to the next file. + return UNZ_OK if there is no problem + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. +*/ + +extern int ZEXPORT unzLocateFile OF((unzFile file, + const char *szFileName, + int iCaseSensitivity)); +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzStringFileNameCompare + + return value : + UNZ_OK if the file is found. It becomes the current file. + UNZ_END_OF_LIST_OF_FILE if the file is not found +*/ + + +/* ****************************************** */ +/* Ryan supplied functions */ +/* unz_file_info contain information about a file in the zipfile */ +typedef struct unz_file_pos_s +{ + uLong pos_in_zip_directory; /* offset in zip file directory */ + uLong num_of_file; /* # of file */ +} unz_file_pos; + +extern int ZEXPORT unzGetFilePos( + unzFile file, + unz_file_pos* file_pos); + +extern int ZEXPORT unzGoToFilePos( + unzFile file, + unz_file_pos* file_pos); + +/* ****************************************** */ + +extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, + unz_file_info *pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); +/* + Get Info about the current file + if pfile_info!=NULL, the *pfile_info structure will contain somes info about + the current file + if szFileName!=NULL, the filemane string will be copied in szFileName + (fileNameBufferSize is the size of the buffer) + if extraField!=NULL, the extra field information will be copied in extraField + (extraFieldBufferSize is the size of the buffer). + This is the Central-header version of the extra field + if szComment!=NULL, the comment string of the file will be copied in szComment + (commentBufferSize is the size of the buffer) +*/ + +/***************************************************************************/ +/* for reading the content of the current zipfile, you can open it, read data + from it, and close it (you can close it before reading all the file) + */ + +extern int ZEXPORT unzOpenCurrentFile OF((unzFile file)); +/* + Open for reading data the current file in the zipfile. + If there is no error, the return value is UNZ_OK. +*/ + +extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, + const char* password)); +/* + Open for reading data the current file in the zipfile. + password is a crypting password + If there is no error, the return value is UNZ_OK. +*/ + +extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, + int* method, + int* level, + int raw)); +/* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL +*/ + +extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, + int* method, + int* level, + int raw, + const char* password)); +/* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL +*/ + + +extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); +/* + Close the file in zip opened with unzOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good +*/ + +extern int ZEXPORT unzReadCurrentFile OF((unzFile file, + voidp buf, + unsigned len)); +/* + Read bytes from the current file (opened by unzOpenCurrentFile) + buf contain buffer where data must be copied + len the size of buf. + + return the number of byte copied if somes bytes are copied + return 0 if the end of file was reached + return <0 with error code if there is an error + (UNZ_ERRNO for IO error, or zLib error for uncompress error) +*/ + +extern z_off_t ZEXPORT unztell OF((unzFile file)); +/* + Give the current position in uncompressed data +*/ + +extern int ZEXPORT unzeof OF((unzFile file)); +/* + return 1 if the end of file was reached, 0 elsewhere +*/ + +extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, + voidp buf, + unsigned len)); +/* + Read extra field from the current file (opened by unzOpenCurrentFile) + This is the local-header version of the extra field (sometimes, there is + more info in the local-header version than in the central-header) + + if buf==NULL, it return the size of the local extra field + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code +*/ + +/***************************************************************************/ + +/* Get the current file offset */ +extern uLong ZEXPORT unzGetOffset (unzFile file); + +/* Set the current file offset */ +extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); + + + +#ifdef __cplusplus +} +#endif + +#endif /* _unz_H */ diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c index 2ccd7fd..400e2ba 100644 --- a/contrib/minizip/zip.c +++ b/contrib/minizip/zip.c @@ -1,1188 +1,1219 @@ -/* zip.c -- IO on .zip files using zlib - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant - - Read zip.h for more info -*/ - - -#include -#include -#include -#include -#include "zlib.h" -#include "zip.h" - -#ifdef STDC -# include -# include -# include -#endif -#ifdef NO_ERRNO_H - extern int errno; -#else -# include -#endif - - -#ifndef local -# define local static -#endif -/* compile with -Dlocal if your debugger can't find static symbols */ - -#ifndef VERSIONMADEBY -# define VERSIONMADEBY (0x0) /* platform depedent */ -#endif - -#ifndef Z_BUFSIZE -#define Z_BUFSIZE (16384) -#endif - -#ifndef Z_MAXFILENAMEINZIP -#define Z_MAXFILENAMEINZIP (256) -#endif - -#ifndef ALLOC -# define ALLOC(size) (malloc(size)) -#endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif - -/* -#define SIZECENTRALDIRITEM (0x2e) -#define SIZEZIPLOCALHEADER (0x1e) -*/ - -/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ - -#ifndef SEEK_CUR -#define SEEK_CUR 1 -#endif - -#ifndef SEEK_END -#define SEEK_END 2 -#endif - -#ifndef SEEK_SET -#define SEEK_SET 0 -#endif - -#ifndef DEF_MEM_LEVEL -#if MAX_MEM_LEVEL >= 8 -# define DEF_MEM_LEVEL 8 -#else -# define DEF_MEM_LEVEL MAX_MEM_LEVEL -#endif -#endif -const char zip_copyright[] = - " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; - - -#define SIZEDATA_INDATABLOCK (4096-(4*4)) - -#define LOCALHEADERMAGIC (0x04034b50) -#define CENTRALHEADERMAGIC (0x02014b50) -#define ENDHEADERMAGIC (0x06054b50) - -#define FLAG_LOCALHEADER_OFFSET (0x06) -#define CRC_LOCALHEADER_OFFSET (0x0e) - -#define SIZECENTRALHEADER (0x2e) /* 46 */ - -typedef struct linkedlist_datablock_internal_s -{ - struct linkedlist_datablock_internal_s* next_datablock; - uLong avail_in_this_block; - uLong filled_in_this_block; - uLong unused; /* for future use and alignement */ - unsigned char data[SIZEDATA_INDATABLOCK]; -} linkedlist_datablock_internal; - -typedef struct linkedlist_data_s -{ - linkedlist_datablock_internal* first_block; - linkedlist_datablock_internal* last_block; -} linkedlist_data; - - -typedef struct -{ - z_stream stream; /* zLib stream structure for inflate */ - int stream_initialised; /* 1 is stream is initialised */ - uInt pos_in_buffered_data; /* last written byte in buffered_data */ - - uLong pos_local_header; /* offset of the local header of the file - currenty writing */ - char* central_header; /* central header data for the current file */ - uLong size_centralheader; /* size of the central header for cur file */ - uLong flag; /* flag of the file currently writing */ - - int method; /* compression method of file currenty wr.*/ - int raw; /* 1 for directly writing raw data */ - Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ - uLong dosDate; - uLong crc32; - int encrypt; -#ifndef NOCRYPT - unsigned long keys[3]; /* keys defining the pseudo-random sequence */ - const unsigned long* pcrc_32_tab; - int crypt_header_size; -#endif -} curfile_info; - -typedef struct -{ - zlib_filefunc_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ - linkedlist_data central_dir;/* datablock with central dir in construction*/ - int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ - curfile_info ci; /* info on the file curretly writing */ - - uLong begin_pos; /* position of the beginning of the zipfile */ - uLong add_position_when_writting_offset; - uLong number_entry; -} zip_internal; - - - -#ifndef NOCRYPT -#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED -#include "crypt.h" -#endif - -local linkedlist_datablock_internal* allocate_new_datablock() -{ - linkedlist_datablock_internal* ldi; - ldi = (linkedlist_datablock_internal*) - ALLOC(sizeof(linkedlist_datablock_internal)); - if (ldi!=NULL) - { - ldi->next_datablock = NULL ; - ldi->filled_in_this_block = 0 ; - ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ; - } - return ldi; -} - -local void free_datablock(ldi) - linkedlist_datablock_internal* ldi; -{ - while (ldi!=NULL) - { - linkedlist_datablock_internal* ldinext = ldi->next_datablock; - TRYFREE(ldi); - ldi = ldinext; - } -} - -local void init_linkedlist(ll) - linkedlist_data* ll; -{ - ll->first_block = ll->last_block = NULL; -} - -local void free_linkedlist(ll) - linkedlist_data* ll; -{ - free_datablock(ll->first_block); - ll->first_block = ll->last_block = NULL; -} - - -local int add_data_in_datablock(ll,buf,len) - linkedlist_data* ll; - const void* buf; - uLong len; -{ - linkedlist_datablock_internal* ldi; - const unsigned char* from_copy; - - if (ll==NULL) - return ZIP_INTERNALERROR; - - if (ll->last_block == NULL) - { - ll->first_block = ll->last_block = allocate_new_datablock(); - if (ll->first_block == NULL) - return ZIP_INTERNALERROR; - } - - ldi = ll->last_block; - from_copy = (unsigned char*)buf; - - while (len>0) - { - uInt copy_this; - uInt i; - unsigned char* to_copy; - - if (ldi->avail_in_this_block==0) - { - ldi->next_datablock = allocate_new_datablock(); - if (ldi->next_datablock == NULL) - return ZIP_INTERNALERROR; - ldi = ldi->next_datablock ; - ll->last_block = ldi; - } - - if (ldi->avail_in_this_block < len) - copy_this = (uInt)ldi->avail_in_this_block; - else - copy_this = (uInt)len; - - to_copy = &(ldi->data[ldi->filled_in_this_block]); - - for (i=0;ifilled_in_this_block += copy_this; - ldi->avail_in_this_block -= copy_this; - from_copy += copy_this ; - len -= copy_this; - } - return ZIP_OK; -} - - - -/****************************************************************************/ - -#ifndef NO_ADDFILEINEXISTINGZIP -/* =========================================================================== - Inputs a long in LSB order to the given file - nbByte == 1, 2 or 4 (byte, short or long) -*/ - -local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, uLong x, int nbByte)); -local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong x; - int nbByte; -{ - unsigned char buf[4]; - int n; - for (n = 0; n < nbByte; n++) - { - buf[n] = (unsigned char)(x & 0xff); - x >>= 8; - } - if (x != 0) - { /* data overflow - hack for ZIP64 (X Roche) */ - for (n = 0; n < nbByte; n++) - { - buf[n] = 0xff; - } - } - - if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) - return ZIP_ERRNO; - else - return ZIP_OK; -} - -local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte)); -local void ziplocal_putValue_inmemory (dest, x, nbByte) - void* dest; - uLong x; - int nbByte; -{ - unsigned char* buf=(unsigned char*)dest; - int n; - for (n = 0; n < nbByte; n++) { - buf[n] = (unsigned char)(x & 0xff); - x >>= 8; - } - - if (x != 0) - { /* data overflow - hack for ZIP64 */ - for (n = 0; n < nbByte; n++) - { - buf[n] = 0xff; - } - } -} - -/****************************************************************************/ - - -local uLong ziplocal_TmzDateToDosDate(ptm,dosDate) - const tm_zip* ptm; - uLong dosDate; -{ - uLong year = (uLong)ptm->tm_year; - if (year>1980) - year-=1980; - else if (year>80) - year-=80; - return - (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | - ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); -} - - -/****************************************************************************/ - -local int ziplocal_getByte OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - int *pi)); - -local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - int *pi; -{ - unsigned char c; - int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); - if (err==1) - { - *pi = (int)c; - return ZIP_OK; - } - else - { - if (ZERROR(*pzlib_filefunc_def,filestream)) - return ZIP_ERRNO; - else - return ZIP_EOF; - } -} - - -/* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets -*/ -local int ziplocal_getShort OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ - uLong x ; - int i; - int err; - - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==ZIP_OK) - *pX = x; - else - *pX = 0; - return err; -} - -local int ziplocal_getLong OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ - uLong x ; - int i; - int err; - - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<16; - - if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<24; - - if (err==ZIP_OK) - *pX = x; - else - *pX = 0; - return err; -} - -#ifndef BUFREADCOMMENT -#define BUFREADCOMMENT (0x400) -#endif -/* - Locate the Central directory of a zipfile (at the end, just before - the global comment) -*/ -local uLong ziplocal_SearchCentralDir OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream)); - -local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; -{ - unsigned char* buf; - uLong uSizeFile; - uLong uBackRead; - uLong uMaxBack=0xffff; /* maximum size of global comment */ - uLong uPosFound=0; - - if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; - - - uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); - - if (uMaxBack>uSizeFile) - uMaxBack = uSizeFile; - - buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); - if (buf==NULL) - return 0; - - uBackRead = 4; - while (uBackReaduMaxBack) - uBackRead = uMaxBack; - else - uBackRead+=BUFREADCOMMENT; - uReadPos = uSizeFile-uBackRead ; - - uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? - (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); - if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) - break; - - if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) - break; - - for (i=(int)uReadSize-3; (i--)>0;) - if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && - ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) - { - uPosFound = uReadPos+i; - break; - } - - if (uPosFound!=0) - break; - } - TRYFREE(buf); - return uPosFound; -} -#endif /* !NO_ADDFILEINEXISTINGZIP*/ - -/************************************************************/ -extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def) - const char *pathname; - int append; - zipcharpc* globalcomment; - zlib_filefunc_def* pzlib_filefunc_def; -{ - zip_internal ziinit; - zip_internal* zi; - int err=ZIP_OK; - - - if (pzlib_filefunc_def==NULL) - fill_fopen_filefunc(&ziinit.z_filefunc); - else - ziinit.z_filefunc = *pzlib_filefunc_def; - - ziinit.filestream = (*(ziinit.z_filefunc.zopen_file)) - (ziinit.z_filefunc.opaque, - pathname, - (append == APPEND_STATUS_CREATE) ? - (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : - (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING)); - - if (ziinit.filestream == NULL) - return NULL; - ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream); - ziinit.in_opened_file_inzip = 0; - ziinit.ci.stream_initialised = 0; - ziinit.number_entry = 0; - ziinit.add_position_when_writting_offset = 0; - init_linkedlist(&(ziinit.central_dir)); - - - zi = (zip_internal*)ALLOC(sizeof(zip_internal)); - if (zi==NULL) - { - ZCLOSE(ziinit.z_filefunc,ziinit.filestream); - return NULL; - } - - /* now we add file in a zipfile */ -# ifndef NO_ADDFILEINEXISTINGZIP - if (append == APPEND_STATUS_ADDINZIP) - { - uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ - - uLong size_central_dir; /* size of the central directory */ - uLong offset_central_dir; /* offset of start of central directory */ - uLong central_pos,uL; - - uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ - uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ - uLong number_entry; - uLong number_entry_CD; /* total number of entries in - the central dir - (same than number_entry on nospan) */ - uLong size_comment; - - central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream); - if (central_pos==0) - err=ZIP_ERRNO; - - if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, - central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) - err=ZIP_ERRNO; - - /* the signature, already checked */ - if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of this disk */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of the disk with the start of the central directory */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central dir on this disk */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central dir */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - if ((number_entry_CD!=number_entry) || - (number_disk_with_CD!=0) || - (number_disk!=0)) - err=ZIP_BADZIPFILE; - - /* size of the central directory */ - if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK) - err=ZIP_ERRNO; - - /* offset of start of central directory with respect to the - starting disk number */ - if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK) - err=ZIP_ERRNO; - - /* zipfile comment length */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK) - err=ZIP_ERRNO; - - if ((central_pos0) && (err==ZIP_OK)) - { - uLong read_this = SIZEDATA_INDATABLOCK; - if (read_this > size_central_dir_to_read) - read_this = size_central_dir_to_read; - if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this) - err=ZIP_ERRNO; - - if (err==ZIP_OK) - err = add_data_in_datablock(&ziinit.central_dir,buf_read, - (uLong)read_this); - size_central_dir_to_read-=read_this; - } - TRYFREE(buf_read); - } - ziinit.begin_pos = byte_before_the_zipfile; - ziinit.number_entry = number_entry_CD; - - if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, - offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) - err=ZIP_ERRNO; - } -# endif /* !NO_ADDFILEINEXISTINGZIP*/ - - if (err != ZIP_OK) - { - TRYFREE(zi); - return NULL; - } - else - { - *zi = ziinit; - return (zipFile)zi; - } -} - -extern zipFile ZEXPORT zipOpen (pathname, append) - const char *pathname; - int append; -{ - return zipOpen2(pathname,append,NULL,NULL); -} - -extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting) - zipFile file; - const char* filename; - const zip_fileinfo* zipfi; - const void* extrafield_local; - uInt size_extrafield_local; - const void* extrafield_global; - uInt size_extrafield_global; - const char* comment; - int method; - int level; - int raw; - int windowBits; - int memLevel; - int strategy; - const char* password; - uLong crcForCrypting; -{ - zip_internal* zi; - uInt size_filename; - uInt size_comment; - uInt i; - int err = ZIP_OK; - -# ifdef NOCRYPT - if (password != NULL) - return ZIP_PARAMERROR; -# endif - - if (file == NULL) - return ZIP_PARAMERROR; - if ((method!=0) && (method!=Z_DEFLATED)) - return ZIP_PARAMERROR; - - zi = (zip_internal*)file; - - if (zi->in_opened_file_inzip == 1) - { - err = zipCloseFileInZip (file); - if (err != ZIP_OK) - return err; - } - - - if (filename==NULL) - filename="-"; - - if (comment==NULL) - size_comment = 0; - else - size_comment = (uInt)strlen(comment); - - size_filename = (uInt)strlen(filename); - - if (zipfi == NULL) - zi->ci.dosDate = 0; - else - { - if (zipfi->dosDate != 0) - zi->ci.dosDate = zipfi->dosDate; - else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate); - } - - zi->ci.flag = 0; - if ((level==8) || (level==9)) - zi->ci.flag |= 2; - if ((level==2)) - zi->ci.flag |= 4; - if ((level==1)) - zi->ci.flag |= 6; - if (password != NULL) - zi->ci.flag |= 1; - - zi->ci.crc32 = 0; - zi->ci.method = method; - zi->ci.encrypt = 0; - zi->ci.stream_initialised = 0; - zi->ci.pos_in_buffered_data = 0; - zi->ci.raw = raw; - zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ; - zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + - size_extrafield_global + size_comment; - zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader); - - ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); - /* version info */ - ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2); - ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); - ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); - ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); - ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); - ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ - ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ - ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ - ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); - ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); - ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); - ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ - - if (zipfi==NULL) - ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); - else - ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); - - if (zipfi==NULL) - ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); - else - ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); - - ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4); - - for (i=0;ici.central_header+SIZECENTRALHEADER+i) = *(filename+i); - - for (i=0;ici.central_header+SIZECENTRALHEADER+size_filename+i) = - *(((const char*)extrafield_global)+i); - - for (i=0;ici.central_header+SIZECENTRALHEADER+size_filename+ - size_extrafield_global+i) = *(comment+i); - if (zi->ci.central_header == NULL) - return ZIP_INTERNALERROR; - - /* write the local header */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2); - - if ((err==ZIP_OK) && (size_filename>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) - err = ZIP_ERRNO; - - if ((err==ZIP_OK) && (size_extrafield_local>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local) - !=size_extrafield_local) - err = ZIP_ERRNO; - - zi->ci.stream.avail_in = (uInt)0; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; - zi->ci.stream.total_in = 0; - zi->ci.stream.total_out = 0; - - if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - { - zi->ci.stream.zalloc = (alloc_func)0; - zi->ci.stream.zfree = (free_func)0; - zi->ci.stream.opaque = (voidpf)0; - - if (windowBits>0) - windowBits = -windowBits; - - err = deflateInit2(&zi->ci.stream, level, - Z_DEFLATED, windowBits, memLevel, strategy); - - if (err==Z_OK) - zi->ci.stream_initialised = 1; - } -# ifndef NOCRYPT - zi->ci.crypt_header_size = 0; - if ((err==Z_OK) && (password != NULL)) - { - unsigned char bufHead[RAND_HEAD_LEN]; - unsigned int sizeHead; - zi->ci.encrypt = 1; - zi->ci.pcrc_32_tab = get_crc_table(); - /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/ - - sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting); - zi->ci.crypt_header_size = sizeHead; - - if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) - err = ZIP_ERRNO; - } -# endif - - if (err==Z_OK) - zi->in_opened_file_inzip = 1; - return err; -} - -extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw) - zipFile file; - const char* filename; - const zip_fileinfo* zipfi; - const void* extrafield_local; - uInt size_extrafield_local; - const void* extrafield_global; - uInt size_extrafield_global; - const char* comment; - int method; - int level; - int raw; -{ - return zipOpenNewFileInZip3 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0); -} - -extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level) - zipFile file; - const char* filename; - const zip_fileinfo* zipfi; - const void* extrafield_local; - uInt size_extrafield_local; - const void* extrafield_global; - uInt size_extrafield_global; - const char* comment; - int method; - int level; -{ - return zipOpenNewFileInZip2 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, 0); -} - -local int zipFlushWriteBuffer(zi) - zip_internal* zi; -{ - int err=ZIP_OK; - - if (zi->ci.encrypt != 0) - { -#ifndef NOCRYPT - uInt i; - int t; - for (i=0;ici.pos_in_buffered_data;i++) - zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, - zi->ci.buffered_data[i],t); -#endif - } - if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) - !=zi->ci.pos_in_buffered_data) - err = ZIP_ERRNO; - zi->ci.pos_in_buffered_data = 0; - return err; -} - -extern int ZEXPORT zipWriteInFileInZip (file, buf, len) - zipFile file; - const void* buf; - unsigned len; -{ - zip_internal* zi; - int err=ZIP_OK; - - if (file == NULL) - return ZIP_PARAMERROR; - zi = (zip_internal*)file; - - if (zi->in_opened_file_inzip == 0) - return ZIP_PARAMERROR; - - zi->ci.stream.next_in = (void*)buf; - zi->ci.stream.avail_in = len; - zi->ci.crc32 = crc32(zi->ci.crc32,buf,len); - - while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) - { - if (zi->ci.stream.avail_out == 0) - { - if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; - } - - - if(err != ZIP_OK) - break; - - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - { - uLong uTotalOutBefore = zi->ci.stream.total_out; - err=deflate(&zi->ci.stream, Z_NO_FLUSH); - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; - - } - else - { - uInt copy_this,i; - if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) - copy_this = zi->ci.stream.avail_in; - else - copy_this = zi->ci.stream.avail_out; - for (i=0;ici.stream.next_out)+i) = - *(((const char*)zi->ci.stream.next_in)+i); - { - zi->ci.stream.avail_in -= copy_this; - zi->ci.stream.avail_out-= copy_this; - zi->ci.stream.next_in+= copy_this; - zi->ci.stream.next_out+= copy_this; - zi->ci.stream.total_in+= copy_this; - zi->ci.stream.total_out+= copy_this; - zi->ci.pos_in_buffered_data += copy_this; - } - } - } - - return err; -} - -extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) - zipFile file; - uLong uncompressed_size; - uLong crc32; -{ - zip_internal* zi; - uLong compressed_size; - int err=ZIP_OK; - - if (file == NULL) - return ZIP_PARAMERROR; - zi = (zip_internal*)file; - - if (zi->in_opened_file_inzip == 0) - return ZIP_PARAMERROR; - zi->ci.stream.avail_in = 0; - - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - while (err==ZIP_OK) - { - uLong uTotalOutBefore; - if (zi->ci.stream.avail_out == 0) - { - if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; - } - uTotalOutBefore = zi->ci.stream.total_out; - err=deflate(&zi->ci.stream, Z_FINISH); - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; - } - - if (err==Z_STREAM_END) - err=ZIP_OK; /* this is normal */ - - if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) - if (zipFlushWriteBuffer(zi)==ZIP_ERRNO) - err = ZIP_ERRNO; - - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - { - err=deflateEnd(&zi->ci.stream); - zi->ci.stream_initialised = 0; - } - - if (!zi->ci.raw) - { - crc32 = (uLong)zi->ci.crc32; - uncompressed_size = (uLong)zi->ci.stream.total_in; - } - compressed_size = (uLong)zi->ci.stream.total_out; -# ifndef NOCRYPT - compressed_size += zi->ci.crypt_header_size; -# endif - - ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ - ziplocal_putValue_inmemory(zi->ci.central_header+20, - compressed_size,4); /*compr size*/ - if (zi->ci.stream.data_type == Z_ASCII) - ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); - ziplocal_putValue_inmemory(zi->ci.central_header+24, - uncompressed_size,4); /*uncompr size*/ - - if (err==ZIP_OK) - err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header, - (uLong)zi->ci.size_centralheader); - free(zi->ci.central_header); - - if (err==ZIP_OK) - { - long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); - if (ZSEEK(zi->z_filefunc,zi->filestream, - zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) - err = ZIP_ERRNO; - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ - - if (err==ZIP_OK) /* compressed size, unknown */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); - - if (err==ZIP_OK) /* uncompressed size, unknown */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); - - if (ZSEEK(zi->z_filefunc,zi->filestream, - cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) - err = ZIP_ERRNO; - } - - zi->number_entry ++; - zi->in_opened_file_inzip = 0; - - return err; -} - -extern int ZEXPORT zipCloseFileInZip (file) - zipFile file; -{ - return zipCloseFileInZipRaw (file,0,0); -} - -extern int ZEXPORT zipClose (file, global_comment) - zipFile file; - const char* global_comment; -{ - zip_internal* zi; - int err = 0; - uLong size_centraldir = 0; - uLong centraldir_pos_inzip ; - uInt size_global_comment; - if (file == NULL) - return ZIP_PARAMERROR; - zi = (zip_internal*)file; - - if (zi->in_opened_file_inzip == 1) - { - err = zipCloseFileInZip (file); - } - - if (global_comment==NULL) - size_global_comment = 0; - else - size_global_comment = (uInt)strlen(global_comment); - - - centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); - if (err==ZIP_OK) - { - linkedlist_datablock_internal* ldi = zi->central_dir.first_block ; - while (ldi!=NULL) - { - if ((err==ZIP_OK) && (ldi->filled_in_this_block>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream, - ldi->data,ldi->filled_in_this_block) - !=ldi->filled_in_this_block ) - err = ZIP_ERRNO; - - size_centraldir += ldi->filled_in_this_block; - ldi = ldi->next_datablock; - } - } - free_datablock(zi->central_dir.first_block); - - if (err==ZIP_OK) /* Magic End */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); - - if (err==ZIP_OK) /* number of this disk */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); - - if (err==ZIP_OK) /* number of the disk with the start of the central directory */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); - - if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); - - if (err==ZIP_OK) /* total number of entries in the central dir */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); - - if (err==ZIP_OK) /* size of the central directory */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); - - if (err==ZIP_OK) /* offset of start of central directory with respect to the - starting disk number */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream, - (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); - - if (err==ZIP_OK) /* zipfile comment length */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); - - if ((err==ZIP_OK) && (size_global_comment>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream, - global_comment,size_global_comment) != size_global_comment) - err = ZIP_ERRNO; - - if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0) - if (err == ZIP_OK) - err = ZIP_ERRNO; - - TRYFREE(zi); - - return err; -} +/* zip.c -- IO on .zip files using zlib + Version 1.01e, February 12th, 2005 + + 27 Dec 2004 Rolf Kalbermatter + Modification to zipOpen2 to support globalComment retrieval. + + Copyright (C) 1998-2005 Gilles Vollant + + Read zip.h for more info +*/ + + +#include +#include +#include +#include +#include "zlib.h" +#include "zip.h" + +#ifdef STDC +# include +# include +# include +#endif +#ifdef NO_ERRNO_H + extern int errno; +#else +# include +#endif + + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + +#ifndef VERSIONMADEBY +# define VERSIONMADEBY (0x0) /* platform depedent */ +#endif + +#ifndef Z_BUFSIZE +#define Z_BUFSIZE (16384) +#endif + +#ifndef Z_MAXFILENAMEINZIP +#define Z_MAXFILENAMEINZIP (256) +#endif + +#ifndef ALLOC +# define ALLOC(size) (malloc(size)) +#endif +#ifndef TRYFREE +# define TRYFREE(p) {if (p) free(p);} +#endif + +/* +#define SIZECENTRALDIRITEM (0x2e) +#define SIZEZIPLOCALHEADER (0x1e) +*/ + +/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ + +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif + +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + +#ifndef DEF_MEM_LEVEL +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif +#endif +const char zip_copyright[] = + " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; + + +#define SIZEDATA_INDATABLOCK (4096-(4*4)) + +#define LOCALHEADERMAGIC (0x04034b50) +#define CENTRALHEADERMAGIC (0x02014b50) +#define ENDHEADERMAGIC (0x06054b50) + +#define FLAG_LOCALHEADER_OFFSET (0x06) +#define CRC_LOCALHEADER_OFFSET (0x0e) + +#define SIZECENTRALHEADER (0x2e) /* 46 */ + +typedef struct linkedlist_datablock_internal_s +{ + struct linkedlist_datablock_internal_s* next_datablock; + uLong avail_in_this_block; + uLong filled_in_this_block; + uLong unused; /* for future use and alignement */ + unsigned char data[SIZEDATA_INDATABLOCK]; +} linkedlist_datablock_internal; + +typedef struct linkedlist_data_s +{ + linkedlist_datablock_internal* first_block; + linkedlist_datablock_internal* last_block; +} linkedlist_data; + + +typedef struct +{ + z_stream stream; /* zLib stream structure for inflate */ + int stream_initialised; /* 1 is stream is initialised */ + uInt pos_in_buffered_data; /* last written byte in buffered_data */ + + uLong pos_local_header; /* offset of the local header of the file + currenty writing */ + char* central_header; /* central header data for the current file */ + uLong size_centralheader; /* size of the central header for cur file */ + uLong flag; /* flag of the file currently writing */ + + int method; /* compression method of file currenty wr.*/ + int raw; /* 1 for directly writing raw data */ + Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ + uLong dosDate; + uLong crc32; + int encrypt; +#ifndef NOCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const unsigned long* pcrc_32_tab; + int crypt_header_size; +#endif +} curfile_info; + +typedef struct +{ + zlib_filefunc_def z_filefunc; + voidpf filestream; /* io structore of the zipfile */ + linkedlist_data central_dir;/* datablock with central dir in construction*/ + int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ + curfile_info ci; /* info on the file curretly writing */ + + uLong begin_pos; /* position of the beginning of the zipfile */ + uLong add_position_when_writting_offset; + uLong number_entry; +#ifndef NO_ADDFILEINEXISTINGZIP + char *globalcomment; +#endif +} zip_internal; + + + +#ifndef NOCRYPT +#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED +#include "crypt.h" +#endif + +local linkedlist_datablock_internal* allocate_new_datablock() +{ + linkedlist_datablock_internal* ldi; + ldi = (linkedlist_datablock_internal*) + ALLOC(sizeof(linkedlist_datablock_internal)); + if (ldi!=NULL) + { + ldi->next_datablock = NULL ; + ldi->filled_in_this_block = 0 ; + ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ; + } + return ldi; +} + +local void free_datablock(ldi) + linkedlist_datablock_internal* ldi; +{ + while (ldi!=NULL) + { + linkedlist_datablock_internal* ldinext = ldi->next_datablock; + TRYFREE(ldi); + ldi = ldinext; + } +} + +local void init_linkedlist(ll) + linkedlist_data* ll; +{ + ll->first_block = ll->last_block = NULL; +} + +local void free_linkedlist(ll) + linkedlist_data* ll; +{ + free_datablock(ll->first_block); + ll->first_block = ll->last_block = NULL; +} + + +local int add_data_in_datablock(ll,buf,len) + linkedlist_data* ll; + const void* buf; + uLong len; +{ + linkedlist_datablock_internal* ldi; + const unsigned char* from_copy; + + if (ll==NULL) + return ZIP_INTERNALERROR; + + if (ll->last_block == NULL) + { + ll->first_block = ll->last_block = allocate_new_datablock(); + if (ll->first_block == NULL) + return ZIP_INTERNALERROR; + } + + ldi = ll->last_block; + from_copy = (unsigned char*)buf; + + while (len>0) + { + uInt copy_this; + uInt i; + unsigned char* to_copy; + + if (ldi->avail_in_this_block==0) + { + ldi->next_datablock = allocate_new_datablock(); + if (ldi->next_datablock == NULL) + return ZIP_INTERNALERROR; + ldi = ldi->next_datablock ; + ll->last_block = ldi; + } + + if (ldi->avail_in_this_block < len) + copy_this = (uInt)ldi->avail_in_this_block; + else + copy_this = (uInt)len; + + to_copy = &(ldi->data[ldi->filled_in_this_block]); + + for (i=0;ifilled_in_this_block += copy_this; + ldi->avail_in_this_block -= copy_this; + from_copy += copy_this ; + len -= copy_this; + } + return ZIP_OK; +} + + + +/****************************************************************************/ + +#ifndef NO_ADDFILEINEXISTINGZIP +/* =========================================================================== + Inputs a long in LSB order to the given file + nbByte == 1, 2 or 4 (byte, short or long) +*/ + +local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, uLong x, int nbByte)); +local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong x; + int nbByte; +{ + unsigned char buf[4]; + int n; + for (n = 0; n < nbByte; n++) + { + buf[n] = (unsigned char)(x & 0xff); + x >>= 8; + } + if (x != 0) + { /* data overflow - hack for ZIP64 (X Roche) */ + for (n = 0; n < nbByte; n++) + { + buf[n] = 0xff; + } + } + + if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) + return ZIP_ERRNO; + else + return ZIP_OK; +} + +local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte)); +local void ziplocal_putValue_inmemory (dest, x, nbByte) + void* dest; + uLong x; + int nbByte; +{ + unsigned char* buf=(unsigned char*)dest; + int n; + for (n = 0; n < nbByte; n++) { + buf[n] = (unsigned char)(x & 0xff); + x >>= 8; + } + + if (x != 0) + { /* data overflow - hack for ZIP64 */ + for (n = 0; n < nbByte; n++) + { + buf[n] = 0xff; + } + } +} + +/****************************************************************************/ + + +local uLong ziplocal_TmzDateToDosDate(ptm,dosDate) + const tm_zip* ptm; + uLong dosDate; +{ + uLong year = (uLong)ptm->tm_year; + if (year>1980) + year-=1980; + else if (year>80) + year-=80; + return + (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | + ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); +} + + +/****************************************************************************/ + +local int ziplocal_getByte OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + int *pi)); + +local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + int *pi; +{ + unsigned char c; + int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); + if (err==1) + { + *pi = (int)c; + return ZIP_OK; + } + else + { + if (ZERROR(*pzlib_filefunc_def,filestream)) + return ZIP_ERRNO; + else + return ZIP_EOF; + } +} + + +/* =========================================================================== + Reads a long in LSB order from the given gz_stream. Sets +*/ +local int ziplocal_getShort OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong *pX; +{ + uLong x ; + int i; + int err; + + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int ziplocal_getLong OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong *pX; +{ + uLong x ; + int i; + int err; + + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<16; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + return err; +} + +#ifndef BUFREADCOMMENT +#define BUFREADCOMMENT (0x400) +#endif +/* + Locate the Central directory of a zipfile (at the end, just before + the global comment) +*/ +local uLong ziplocal_SearchCentralDir OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream)); + +local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; +{ + unsigned char* buf; + uLong uSizeFile; + uLong uBackRead; + uLong uMaxBack=0xffff; /* maximum size of global comment */ + uLong uPosFound=0; + + if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + + uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); + if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) + { + uPosFound = uReadPos+i; + break; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + return uPosFound; +} +#endif /* !NO_ADDFILEINEXISTINGZIP*/ + +/************************************************************/ +extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def) + const char *pathname; + int append; + zipcharpc* globalcomment; + zlib_filefunc_def* pzlib_filefunc_def; +{ + zip_internal ziinit; + zip_internal* zi; + int err=ZIP_OK; + + + if (pzlib_filefunc_def==NULL) + fill_fopen_filefunc(&ziinit.z_filefunc); + else + ziinit.z_filefunc = *pzlib_filefunc_def; + + ziinit.filestream = (*(ziinit.z_filefunc.zopen_file)) + (ziinit.z_filefunc.opaque, + pathname, + (append == APPEND_STATUS_CREATE) ? + (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : + (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING)); + + if (ziinit.filestream == NULL) + return NULL; + ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream); + ziinit.in_opened_file_inzip = 0; + ziinit.ci.stream_initialised = 0; + ziinit.number_entry = 0; + ziinit.add_position_when_writting_offset = 0; + init_linkedlist(&(ziinit.central_dir)); + + + zi = (zip_internal*)ALLOC(sizeof(zip_internal)); + if (zi==NULL) + { + ZCLOSE(ziinit.z_filefunc,ziinit.filestream); + return NULL; + } + + /* now we add file in a zipfile */ +# ifndef NO_ADDFILEINEXISTINGZIP + ziinit.globalcomment = NULL; + if (append == APPEND_STATUS_ADDINZIP) + { + uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + + uLong size_central_dir; /* size of the central directory */ + uLong offset_central_dir; /* offset of start of central directory */ + uLong central_pos,uL; + + uLong number_disk; /* number of the current dist, used for + spaning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spaning ZIP, unsupported, always 0*/ + uLong number_entry; + uLong number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + uLong size_comment; + + central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream); + if (central_pos==0) + err=ZIP_ERRNO; + + if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, + central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=ZIP_ERRNO; + + /* the signature, already checked */ + if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of this disk */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central dir on this disk */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central dir */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + if ((number_entry_CD!=number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=ZIP_BADZIPFILE; + + /* size of the central directory */ + if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + /* zipfile global comment length */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK) + err=ZIP_ERRNO; + + if ((central_pos0) + { + ziinit.globalcomment = ALLOC(size_comment+1); + if (ziinit.globalcomment) + { + size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment); + ziinit.globalcomment[size_comment]=0; + } + } + + byte_before_the_zipfile = central_pos - + (offset_central_dir+size_central_dir); + ziinit.add_position_when_writting_offset = byte_before_the_zipfile; + + { + uLong size_central_dir_to_read = size_central_dir; + size_t buf_size = SIZEDATA_INDATABLOCK; + void* buf_read = (void*)ALLOC(buf_size); + if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, + offset_central_dir + byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + while ((size_central_dir_to_read>0) && (err==ZIP_OK)) + { + uLong read_this = SIZEDATA_INDATABLOCK; + if (read_this > size_central_dir_to_read) + read_this = size_central_dir_to_read; + if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this) + err=ZIP_ERRNO; + + if (err==ZIP_OK) + err = add_data_in_datablock(&ziinit.central_dir,buf_read, + (uLong)read_this); + size_central_dir_to_read-=read_this; + } + TRYFREE(buf_read); + } + ziinit.begin_pos = byte_before_the_zipfile; + ziinit.number_entry = number_entry_CD; + + if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, + offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=ZIP_ERRNO; + } + + if (globalcomment) + { + *globalcomment = ziinit.globalcomment; + } +# endif /* !NO_ADDFILEINEXISTINGZIP*/ + + if (err != ZIP_OK) + { +# ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(ziinit.globalcomment); +# endif /* !NO_ADDFILEINEXISTINGZIP*/ + TRYFREE(zi); + return NULL; + } + else + { + *zi = ziinit; + return (zipFile)zi; + } +} + +extern zipFile ZEXPORT zipOpen (pathname, append) + const char *pathname; + int append; +{ + return zipOpen2(pathname,append,NULL,NULL); +} + +extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting) + zipFile file; + const char* filename; + const zip_fileinfo* zipfi; + const void* extrafield_local; + uInt size_extrafield_local; + const void* extrafield_global; + uInt size_extrafield_global; + const char* comment; + int method; + int level; + int raw; + int windowBits; + int memLevel; + int strategy; + const char* password; + uLong crcForCrypting; +{ + zip_internal* zi; + uInt size_filename; + uInt size_comment; + uInt i; + int err = ZIP_OK; + +# ifdef NOCRYPT + if (password != NULL) + return ZIP_PARAMERROR; +# endif + + if (file == NULL) + return ZIP_PARAMERROR; + if ((method!=0) && (method!=Z_DEFLATED)) + return ZIP_PARAMERROR; + + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 1) + { + err = zipCloseFileInZip (file); + if (err != ZIP_OK) + return err; + } + + + if (filename==NULL) + filename="-"; + + if (comment==NULL) + size_comment = 0; + else + size_comment = (uInt)strlen(comment); + + size_filename = (uInt)strlen(filename); + + if (zipfi == NULL) + zi->ci.dosDate = 0; + else + { + if (zipfi->dosDate != 0) + zi->ci.dosDate = zipfi->dosDate; + else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate); + } + + zi->ci.flag = 0; + if ((level==8) || (level==9)) + zi->ci.flag |= 2; + if ((level==2)) + zi->ci.flag |= 4; + if ((level==1)) + zi->ci.flag |= 6; + if (password != NULL) + zi->ci.flag |= 1; + + zi->ci.crc32 = 0; + zi->ci.method = method; + zi->ci.encrypt = 0; + zi->ci.stream_initialised = 0; + zi->ci.pos_in_buffered_data = 0; + zi->ci.raw = raw; + zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ; + zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + + size_extrafield_global + size_comment; + zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader); + + ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); + /* version info */ + ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2); + ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); + ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); + ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); + ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); + ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ + ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ + ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ + ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); + ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); + ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); + ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ + + if (zipfi==NULL) + ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); + else + ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); + + if (zipfi==NULL) + ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); + else + ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); + + ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4); + + for (i=0;ici.central_header+SIZECENTRALHEADER+i) = *(filename+i); + + for (i=0;ici.central_header+SIZECENTRALHEADER+size_filename+i) = + *(((const char*)extrafield_global)+i); + + for (i=0;ici.central_header+SIZECENTRALHEADER+size_filename+ + size_extrafield_global+i) = *(comment+i); + if (zi->ci.central_header == NULL) + return ZIP_INTERNALERROR; + + /* write the local header */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4); + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2); + + if ((err==ZIP_OK) && (size_filename>0)) + if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) + err = ZIP_ERRNO; + + if ((err==ZIP_OK) && (size_extrafield_local>0)) + if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local) + !=size_extrafield_local) + err = ZIP_ERRNO; + + zi->ci.stream.avail_in = (uInt)0; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + zi->ci.stream.total_in = 0; + zi->ci.stream.total_out = 0; + + if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + zi->ci.stream.zalloc = (alloc_func)0; + zi->ci.stream.zfree = (free_func)0; + zi->ci.stream.opaque = (voidpf)0; + + if (windowBits>0) + windowBits = -windowBits; + + err = deflateInit2(&zi->ci.stream, level, + Z_DEFLATED, windowBits, memLevel, strategy); + + if (err==Z_OK) + zi->ci.stream_initialised = 1; + } +# ifndef NOCRYPT + zi->ci.crypt_header_size = 0; + if ((err==Z_OK) && (password != NULL)) + { + unsigned char bufHead[RAND_HEAD_LEN]; + unsigned int sizeHead; + zi->ci.encrypt = 1; + zi->ci.pcrc_32_tab = get_crc_table(); + /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/ + + sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting); + zi->ci.crypt_header_size = sizeHead; + + if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) + err = ZIP_ERRNO; + } +# endif + + if (err==Z_OK) + zi->in_opened_file_inzip = 1; + return err; +} + +extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw) + zipFile file; + const char* filename; + const zip_fileinfo* zipfi; + const void* extrafield_local; + uInt size_extrafield_local; + const void* extrafield_global; + uInt size_extrafield_global; + const char* comment; + int method; + int level; + int raw; +{ + return zipOpenNewFileInZip3 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0); +} + +extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level) + zipFile file; + const char* filename; + const zip_fileinfo* zipfi; + const void* extrafield_local; + uInt size_extrafield_local; + const void* extrafield_global; + uInt size_extrafield_global; + const char* comment; + int method; + int level; +{ + return zipOpenNewFileInZip2 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0); +} + +local int zipFlushWriteBuffer(zi) + zip_internal* zi; +{ + int err=ZIP_OK; + + if (zi->ci.encrypt != 0) + { +#ifndef NOCRYPT + uInt i; + int t; + for (i=0;ici.pos_in_buffered_data;i++) + zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, + zi->ci.buffered_data[i],t); +#endif + } + if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) + !=zi->ci.pos_in_buffered_data) + err = ZIP_ERRNO; + zi->ci.pos_in_buffered_data = 0; + return err; +} + +extern int ZEXPORT zipWriteInFileInZip (file, buf, len) + zipFile file; + const void* buf; + unsigned len; +{ + zip_internal* zi; + int err=ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + + zi->ci.stream.next_in = (void*)buf; + zi->ci.stream.avail_in = len; + zi->ci.crc32 = crc32(zi->ci.crc32,buf,len); + + while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) + { + if (zi->ci.stream.avail_out == 0) + { + if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + + + if(err != ZIP_OK) + break; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + uLong uTotalOutBefore = zi->ci.stream.total_out; + err=deflate(&zi->ci.stream, Z_NO_FLUSH); + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + + } + else + { + uInt copy_this,i; + if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) + copy_this = zi->ci.stream.avail_in; + else + copy_this = zi->ci.stream.avail_out; + for (i=0;ici.stream.next_out)+i) = + *(((const char*)zi->ci.stream.next_in)+i); + { + zi->ci.stream.avail_in -= copy_this; + zi->ci.stream.avail_out-= copy_this; + zi->ci.stream.next_in+= copy_this; + zi->ci.stream.next_out+= copy_this; + zi->ci.stream.total_in+= copy_this; + zi->ci.stream.total_out+= copy_this; + zi->ci.pos_in_buffered_data += copy_this; + } + } + } + + return err; +} + +extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) + zipFile file; + uLong uncompressed_size; + uLong crc32; +{ + zip_internal* zi; + uLong compressed_size; + int err=ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + zi->ci.stream.avail_in = 0; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + while (err==ZIP_OK) + { + uLong uTotalOutBefore; + if (zi->ci.stream.avail_out == 0) + { + if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + uTotalOutBefore = zi->ci.stream.total_out; + err=deflate(&zi->ci.stream, Z_FINISH); + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + } + + if (err==Z_STREAM_END) + err=ZIP_OK; /* this is normal */ + + if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) + if (zipFlushWriteBuffer(zi)==ZIP_ERRNO) + err = ZIP_ERRNO; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + err=deflateEnd(&zi->ci.stream); + zi->ci.stream_initialised = 0; + } + + if (!zi->ci.raw) + { + crc32 = (uLong)zi->ci.crc32; + uncompressed_size = (uLong)zi->ci.stream.total_in; + } + compressed_size = (uLong)zi->ci.stream.total_out; +# ifndef NOCRYPT + compressed_size += zi->ci.crypt_header_size; +# endif + + ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ + ziplocal_putValue_inmemory(zi->ci.central_header+20, + compressed_size,4); /*compr size*/ + if (zi->ci.stream.data_type == Z_ASCII) + ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); + ziplocal_putValue_inmemory(zi->ci.central_header+24, + uncompressed_size,4); /*uncompr size*/ + + if (err==ZIP_OK) + err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header, + (uLong)zi->ci.size_centralheader); + free(zi->ci.central_header); + + if (err==ZIP_OK) + { + long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); + if (ZSEEK(zi->z_filefunc,zi->filestream, + zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; + + if (err==ZIP_OK) + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ + + if (err==ZIP_OK) /* compressed size, unknown */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); + + if (err==ZIP_OK) /* uncompressed size, unknown */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); + + if (ZSEEK(zi->z_filefunc,zi->filestream, + cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; + } + + zi->number_entry ++; + zi->in_opened_file_inzip = 0; + + return err; +} + +extern int ZEXPORT zipCloseFileInZip (file) + zipFile file; +{ + return zipCloseFileInZipRaw (file,0,0); +} + +extern int ZEXPORT zipClose (file, global_comment) + zipFile file; + const char* global_comment; +{ + zip_internal* zi; + int err = 0; + uLong size_centraldir = 0; + uLong centraldir_pos_inzip; + uInt size_global_comment; + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 1) + { + err = zipCloseFileInZip (file); + } + +#ifndef NO_ADDFILEINEXISTINGZIP + if (global_comment==NULL) + global_comment = zi->globalcomment; +#endif + if (global_comment==NULL) + size_global_comment = 0; + else + size_global_comment = (uInt)strlen(global_comment); + + centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); + if (err==ZIP_OK) + { + linkedlist_datablock_internal* ldi = zi->central_dir.first_block ; + while (ldi!=NULL) + { + if ((err==ZIP_OK) && (ldi->filled_in_this_block>0)) + if (ZWRITE(zi->z_filefunc,zi->filestream, + ldi->data,ldi->filled_in_this_block) + !=ldi->filled_in_this_block ) + err = ZIP_ERRNO; + + size_centraldir += ldi->filled_in_this_block; + ldi = ldi->next_datablock; + } + } + free_datablock(zi->central_dir.first_block); + + if (err==ZIP_OK) /* Magic End */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); + + if (err==ZIP_OK) /* number of this disk */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + + if (err==ZIP_OK) /* total number of entries in the central dir */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + + if (err==ZIP_OK) /* size of the central directory */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); + + if (err==ZIP_OK) /* offset of start of central directory with respect to the + starting disk number */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream, + (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); + + if (err==ZIP_OK) /* zipfile comment length */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); + + if ((err==ZIP_OK) && (size_global_comment>0)) + if (ZWRITE(zi->z_filefunc,zi->filestream, + global_comment,size_global_comment) != size_global_comment) + err = ZIP_ERRNO; + + if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0) + if (err == ZIP_OK) + err = ZIP_ERRNO; + +#ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(zi->globalcomment); +#endif + TRYFREE(zi); + + return err; +} diff --git a/contrib/minizip/zip.h b/contrib/minizip/zip.h index d5112c4..cd38b67 100644 --- a/contrib/minizip/zip.h +++ b/contrib/minizip/zip.h @@ -1,234 +1,235 @@ -/* zip.h -- IO for compress .zip files using zlib - Version 1.01, May 8th, 2004 - - Copyright (C) 1998-2004 Gilles Vollant - - This unzip package allow creates .ZIP file, compatible with PKZip 2.04g - WinZip, InfoZip tools and compatible. - Encryption and multi volume ZipFile (span) are not supported. - Old compressions used by old PKZip 1.x are not supported - - For uncompress .zip file, look at unzip.h - - - I WAIT FEEDBACK at mail info@winimage.com - Visit also http://www.winimage.com/zLibDll/unzip.html for evolution - - Condition of use and distribution are the same than zlib : - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - -*/ - -/* for more info about .ZIP format, see - http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip - http://www.info-zip.org/pub/infozip/doc/ - PkWare has also a specification at : - ftp://ftp.pkware.com/probdesc.zip -*/ - -#ifndef _zip_H -#define _zip_H - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef _ZLIB_H -#include "zlib.h" -#endif - -#ifndef _ZLIBIOAPI_H -#include "ioapi.h" -#endif - -#if defined(STRICTZIP) || defined(STRICTZIPUNZIP) -/* like the STRICT of WIN32, we define a pointer that cannot be converted - from (void*) without cast */ -typedef struct TagzipFile__ { int unused; } zipFile__; -typedef zipFile__ *zipFile; -#else -typedef voidp zipFile; -#endif - -#define ZIP_OK (0) -#define ZIP_EOF (0) -#define ZIP_ERRNO (Z_ERRNO) -#define ZIP_PARAMERROR (-102) -#define ZIP_BADZIPFILE (-103) -#define ZIP_INTERNALERROR (-104) - -#ifndef DEF_MEM_LEVEL -# if MAX_MEM_LEVEL >= 8 -# define DEF_MEM_LEVEL 8 -# else -# define DEF_MEM_LEVEL MAX_MEM_LEVEL -# endif -#endif -/* default memLevel */ - -/* tm_zip contain date/time info */ -typedef struct tm_zip_s -{ - uInt tm_sec; /* seconds after the minute - [0,59] */ - uInt tm_min; /* minutes after the hour - [0,59] */ - uInt tm_hour; /* hours since midnight - [0,23] */ - uInt tm_mday; /* day of the month - [1,31] */ - uInt tm_mon; /* months since January - [0,11] */ - uInt tm_year; /* years - [1980..2044] */ -} tm_zip; - -typedef struct -{ - tm_zip tmz_date; /* date in understandable format */ - uLong dosDate; /* if dos_date == 0, tmu_date is used */ -/* uLong flag; */ /* general purpose bit flag 2 bytes */ - - uLong internal_fa; /* internal file attributes 2 bytes */ - uLong external_fa; /* external file attributes 4 bytes */ -} zip_fileinfo; - -typedef const char* zipcharpc; - - -#define APPEND_STATUS_CREATE (0) -#define APPEND_STATUS_CREATEAFTER (1) -#define APPEND_STATUS_ADDINZIP (2) - -extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); -/* - Create a zipfile. - pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on - an Unix computer "zlib/zlib113.zip". - if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip - will be created at the end of the file. - (useful if the file contain a self extractor code) - if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will - add files in existing zip (be sure you don't add file that doesn't exist) - If the zipfile cannot be opened, the return value is NULL. - Else, the return value is a zipFile Handle, usable with other function - of this zip package. -*/ - -/* Note : there is no delete function into a zipfile. - If you want delete file into a zipfile, you must open a zipfile, and create another - Of couse, you can use RAW reading and writing to copy the file you did not want delte -*/ - -extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, - int append, - zipcharpc* globalcomment, - zlib_filefunc_def* pzlib_filefunc_def)); - -extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, - const char* filename, - const zip_fileinfo* zipfi, - const void* extrafield_local, - uInt size_extrafield_local, - const void* extrafield_global, - uInt size_extrafield_global, - const char* comment, - int method, - int level)); -/* - Open a file in the ZIP for writing. - filename : the filename in zip (if NULL, '-' without quote will be used - *zipfi contain supplemental information - if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local - contains the extrafield data the the local header - if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global - contains the extrafield data the the local header - if comment != NULL, comment contain the comment string - method contain the compression method (0 for store, Z_DEFLATED for deflate) - level contain the level of compression (can be Z_DEFAULT_COMPRESSION) -*/ - - -extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, - const char* filename, - const zip_fileinfo* zipfi, - const void* extrafield_local, - uInt size_extrafield_local, - const void* extrafield_global, - uInt size_extrafield_global, - const char* comment, - int method, - int level, - int raw)); - -/* - Same than zipOpenNewFileInZip, except if raw=1, we write raw file - */ - -extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, - const char* filename, - const zip_fileinfo* zipfi, - const void* extrafield_local, - uInt size_extrafield_local, - const void* extrafield_global, - uInt size_extrafield_global, - const char* comment, - int method, - int level, - int raw, - int windowBits, - int memLevel, - int strategy, - const char* password, - uLong crcForCtypting)); - -/* - Same than zipOpenNewFileInZip2, except - windowBits,memLevel,,strategy : see parameter strategy in deflateInit2 - password : crypting password (NULL for no crypting) - crcForCtypting : crc of file to compress (needed for crypting) - */ - - -extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, - const void* buf, - unsigned len)); -/* - Write data in the zipfile -*/ - -extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); -/* - Close the current file in the zipfile -*/ - -extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, - uLong uncompressed_size, - uLong crc32)); -/* - Close the current file in the zipfile, for fiel opened with - parameter raw=1 in zipOpenNewFileInZip2 - uncompressed_size and crc32 are value for the uncompressed size -*/ - -extern int ZEXPORT zipClose OF((zipFile file, - const char* global_comment)); -/* - Close the zipfile -*/ - -#ifdef __cplusplus -} -#endif - -#endif /* _zip_H */ +/* zip.h -- IO for compress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This unzip package allow creates .ZIP file, compatible with PKZip 2.04g + WinZip, InfoZip tools and compatible. + Multi volume ZipFile (span) are not supported. + Encryption compatible with pkzip 2.04g only supported + Old compressions used by old PKZip 1.x are not supported + + For uncompress .zip file, look at unzip.h + + + I WAIT FEEDBACK at mail info@winimage.com + Visit also http://www.winimage.com/zLibDll/unzip.html for evolution + + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + +*/ + +/* for more info about .ZIP format, see + http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip + http://www.info-zip.org/pub/infozip/doc/ + PkWare has also a specification at : + ftp://ftp.pkware.com/probdesc.zip +*/ + +#ifndef _zip_H +#define _zip_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "ioapi.h" +#endif + +#if defined(STRICTZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagzipFile__ { int unused; } zipFile__; +typedef zipFile__ *zipFile; +#else +typedef voidp zipFile; +#endif + +#define ZIP_OK (0) +#define ZIP_EOF (0) +#define ZIP_ERRNO (Z_ERRNO) +#define ZIP_PARAMERROR (-102) +#define ZIP_BADZIPFILE (-103) +#define ZIP_INTERNALERROR (-104) + +#ifndef DEF_MEM_LEVEL +# if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +# else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +# endif +#endif +/* default memLevel */ + +/* tm_zip contain date/time info */ +typedef struct tm_zip_s +{ + uInt tm_sec; /* seconds after the minute - [0,59] */ + uInt tm_min; /* minutes after the hour - [0,59] */ + uInt tm_hour; /* hours since midnight - [0,23] */ + uInt tm_mday; /* day of the month - [1,31] */ + uInt tm_mon; /* months since January - [0,11] */ + uInt tm_year; /* years - [1980..2044] */ +} tm_zip; + +typedef struct +{ + tm_zip tmz_date; /* date in understandable format */ + uLong dosDate; /* if dos_date == 0, tmu_date is used */ +/* uLong flag; */ /* general purpose bit flag 2 bytes */ + + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ +} zip_fileinfo; + +typedef const char* zipcharpc; + + +#define APPEND_STATUS_CREATE (0) +#define APPEND_STATUS_CREATEAFTER (1) +#define APPEND_STATUS_ADDINZIP (2) + +extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); +/* + Create a zipfile. + pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on + an Unix computer "zlib/zlib113.zip". + if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip + will be created at the end of the file. + (useful if the file contain a self extractor code) + if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will + add files in existing zip (be sure you don't add file that doesn't exist) + If the zipfile cannot be opened, the return value is NULL. + Else, the return value is a zipFile Handle, usable with other function + of this zip package. +*/ + +/* Note : there is no delete function into a zipfile. + If you want delete file into a zipfile, you must open a zipfile, and create another + Of couse, you can use RAW reading and writing to copy the file you did not want delte +*/ + +extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc_def* pzlib_filefunc_def)); + +extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level)); +/* + Open a file in the ZIP for writing. + filename : the filename in zip (if NULL, '-' without quote will be used + *zipfi contain supplemental information + if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local + contains the extrafield data the the local header + if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global + contains the extrafield data the the local header + if comment != NULL, comment contain the comment string + method contain the compression method (0 for store, Z_DEFLATED for deflate) + level contain the level of compression (can be Z_DEFAULT_COMPRESSION) +*/ + + +extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw)); + +/* + Same than zipOpenNewFileInZip, except if raw=1, we write raw file + */ + +extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCtypting)); + +/* + Same than zipOpenNewFileInZip2, except + windowBits,memLevel,,strategy : see parameter strategy in deflateInit2 + password : crypting password (NULL for no crypting) + crcForCtypting : crc of file to compress (needed for crypting) + */ + + +extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, + const void* buf, + unsigned len)); +/* + Write data in the zipfile +*/ + +extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); +/* + Close the current file in the zipfile +*/ + +extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, + uLong uncompressed_size, + uLong crc32)); +/* + Close the current file in the zipfile, for fiel opened with + parameter raw=1 in zipOpenNewFileInZip2 + uncompressed_size and crc32 are value for the uncompressed size +*/ + +extern int ZEXPORT zipClose OF((zipFile file, + const char* global_comment)); +/* + Close the zipfile +*/ + +#ifdef __cplusplus +} +#endif + +#endif /* _zip_H */ diff --git a/contrib/testzlib/rdtsc64.asm b/contrib/testzlib/rdtsc64.asm new file mode 100644 index 0000000..6b78a8b --- /dev/null +++ b/contrib/testzlib/rdtsc64.asm @@ -0,0 +1,18 @@ +; rdtsc64.asm +; +; unsigned _int64 myrdtsc(); +; +; return the performance rdtsc value, on AMD64/Intel EM64T +; +; compile with : +; ml64.exe" /Flrdtsc64 /c /Zi rdtsc64.asm +; +.code +myrdtsc PROC + rdtsc + shl rdx,32 + or rax,rdx + ret +myrdtsc ENDP + +END diff --git a/contrib/testzlib/rdtsc64.obj b/contrib/testzlib/rdtsc64.obj new file mode 100644 index 0000000..7905142 Binary files /dev/null and b/contrib/testzlib/rdtsc64.obj differ diff --git a/contrib/testzlib/testzlib.c b/contrib/testzlib/testzlib.c index fdabc5c..6c3ff9f 100644 --- a/contrib/testzlib/testzlib.c +++ b/contrib/testzlib/testzlib.c @@ -1,149 +1,258 @@ - -#include -#include -#include -#include "zlib.h" - -int ReadFileMemory(const char* filename,long* plFileSize,void** pFilePtr) -{ - FILE* stream; - void* ptr; - int retVal=1; - stream=fopen(filename, "rb"); - if (stream==NULL) - return 0; - - fseek(stream,0,SEEK_END); - - *plFileSize=ftell(stream); - fseek(stream,0,SEEK_SET); - ptr=malloc((*plFileSize)+1); - if (ptr==NULL) - retVal=0; - else - { - if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize)) - retVal=0; - } - fclose(stream); - *pFilePtr=ptr; - return retVal; -} - -int main(int argc, char *argv[]) -{ - int BlockSizeCompress=0x8000; - int BlockSizeUncompress=0x8000; - int cprLevel=Z_DEFAULT_COMPRESSION ; - long lFileSize; - unsigned char* FilePtr; - long lBufferSizeCpr; - long lBufferSizeUncpr; - long lCompressedSize=0; - unsigned char* CprPtr; - unsigned char* UncprPtr; - long lSizeCpr,lSizeUncpr; - DWORD dwGetTick; - - if (argc<=1) - { - printf("run TestZlib [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n"); - return 0; - } - - if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0) - { - printf("error reading %s\n",argv[1]); - return 1; - } - else printf("file %s read, %u bytes\n",argv[1],lFileSize); - - if (argc>=3) - BlockSizeCompress=atol(argv[2]); - - if (argc>=4) - BlockSizeUncompress=atol(argv[3]); - - if (argc>=5) - cprLevel=(int)atol(argv[4]); - - lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200; - lBufferSizeUncpr = lBufferSizeCpr; - - CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress); - UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress); - - dwGetTick=GetTickCount(); - { - z_stream zcpr; - int ret=Z_OK; - long lOrigToDo = lFileSize; - long lOrigDone = 0; - int step=0; - memset(&zcpr,0,sizeof(z_stream)); - deflateInit(&zcpr,cprLevel); - - zcpr.next_in = FilePtr; - zcpr.next_out = CprPtr; - - - do - { - long all_read_before = zcpr.total_in; - zcpr.avail_in = min(lOrigToDo,BlockSizeCompress); - zcpr.avail_out = BlockSizeCompress; - ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH); - lOrigDone += (zcpr.total_in-all_read_before); - lOrigToDo -= (zcpr.total_in-all_read_before); - step++; - } while (ret==Z_OK); - - lSizeCpr=zcpr.total_out; - deflateEnd(&zcpr); - dwGetTick=GetTickCount()-dwGetTick; - printf("total compress size = %u, in %u step\n",lSizeCpr,step); - printf("time = %u msec = %f sec\n\n",dwGetTick,dwGetTick/(double)1000.); - } - - dwGetTick=GetTickCount(); - { - z_stream zcpr; - int ret=Z_OK; - long lOrigToDo = lSizeCpr; - long lOrigDone = 0; - int step=0; - memset(&zcpr,0,sizeof(z_stream)); - inflateInit(&zcpr); - - zcpr.next_in = CprPtr; - zcpr.next_out = UncprPtr; - - - do - { - long all_read_before = zcpr.total_in; - zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress); - zcpr.avail_out = BlockSizeUncompress; - ret=inflate(&zcpr,Z_SYNC_FLUSH); - lOrigDone += (zcpr.total_in-all_read_before); - lOrigToDo -= (zcpr.total_in-all_read_before); - step++; - } while (ret==Z_OK); - - lSizeUncpr=zcpr.total_out; - inflateEnd(&zcpr); - dwGetTick=GetTickCount()-dwGetTick; - printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step); - printf("time = %u msec = %f sec\n\n",dwGetTick,dwGetTick/(double)1000.); - } - - if (lSizeUncpr==lFileSize) - { - if (memcmp(FilePtr,UncprPtr,lFileSize)==0) - printf("compare ok\n"); - - } - - return 0; - -} + +#include +#include +#include +#include "zlib.h" + + +void MyDoMinus64(LARGE_INTEGER *R,LARGE_INTEGER A,LARGE_INTEGER B) +{ + R->HighPart = A.HighPart - B.HighPart; + if (A.LowPart >= B.LowPart) + R->LowPart = A.LowPart - B.LowPart; + else + { + R->LowPart = A.LowPart - B.LowPart; + R->HighPart --; + } +} + +#ifdef _AMD64_ +unsigned _int64 myrdtsc(); +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ + // printf("rdtsc = %I64x\n",myrdtsc()); + pbeginTime64->QuadPart=myrdtsc(); +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER LIres; + unsigned _int64 res=myrdtsc()-((unsigned _int64)(beginTime64.QuadPart)); + LIres.QuadPart=res; + // printf("rdtsc = %I64x\n",myrdtsc()); + return LIres; +} +#else +void myGetRDTSC32(LARGE_INTEGER * pbeginTime64) +{ + DWORD dwEdx,dwEax; + _asm + { + rdtsc + mov dwEax,eax + mov dwEdx,edx + } + pbeginTime64->LowPart=dwEax; + pbeginTime64->HighPart=dwEdx; +} + +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ + myGetRDTSC32(pbeginTime64); +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER LIres,endTime64; + myGetRDTSC32(&endTime64); + + LIres.LowPart=LIres.HighPart=0; + MyDoMinus64(&LIres,endTime64,beginTime64); + return LIres; +} +#endif + + +void BeginCountPerfCounter(LARGE_INTEGER * pbeginTime64,BOOL fComputeTimeQueryPerf) +{ + if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(pbeginTime64))) + { + pbeginTime64->LowPart = GetTickCount(); + pbeginTime64->HighPart = 0; + } +} + +DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER endTime64,ticksPerSecond,ticks; + DWORDLONG ticksShifted,tickSecShifted; + DWORD dwLog=16+0; + DWORD dwRet; + if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(&endTime64))) + dwRet = (GetTickCount() - beginTime64.LowPart)*1; + else + { + MyDoMinus64(&ticks,endTime64,beginTime64); + QueryPerformanceFrequency(&ticksPerSecond); + + + { + ticksShifted = Int64ShrlMod32(*(DWORDLONG*)&ticks,dwLog); + tickSecShifted = Int64ShrlMod32(*(DWORDLONG*)&ticksPerSecond,dwLog); + + } + + dwRet = (DWORD)((((DWORD)ticksShifted)*1000)/(DWORD)(tickSecShifted)); + dwRet *=1; + } + return dwRet; +} + +int ReadFileMemory(const char* filename,long* plFileSize,void** pFilePtr) +{ + FILE* stream; + void* ptr; + int retVal=1; + stream=fopen(filename, "rb"); + if (stream==NULL) + return 0; + + fseek(stream,0,SEEK_END); + + *plFileSize=ftell(stream); + fseek(stream,0,SEEK_SET); + ptr=malloc((*plFileSize)+1); + if (ptr==NULL) + retVal=0; + else + { + if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize)) + retVal=0; + } + fclose(stream); + *pFilePtr=ptr; + return retVal; +} + +int main(int argc, char *argv[]) +{ + int BlockSizeCompress=0x8000; + int BlockSizeUncompress=0x8000; + int cprLevel=Z_DEFAULT_COMPRESSION ; + long lFileSize; + unsigned char* FilePtr; + long lBufferSizeCpr; + long lBufferSizeUncpr; + long lCompressedSize=0; + unsigned char* CprPtr; + unsigned char* UncprPtr; + long lSizeCpr,lSizeUncpr; + DWORD dwGetTick,dwMsecQP; + LARGE_INTEGER li_qp,li_rdtsc,dwResRdtsc; + + if (argc<=1) + { + printf("run TestZlib [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n"); + return 0; + } + + if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0) + { + printf("error reading %s\n",argv[1]); + return 1; + } + else printf("file %s read, %u bytes\n",argv[1],lFileSize); + + if (argc>=3) + BlockSizeCompress=atol(argv[2]); + + if (argc>=4) + BlockSizeUncompress=atol(argv[3]); + + if (argc>=5) + cprLevel=(int)atol(argv[4]); + + lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200; + lBufferSizeUncpr = lBufferSizeCpr; + + CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress); + + BeginCountPerfCounter(&li_qp,TRUE); + dwGetTick=GetTickCount(); + BeginCountRdtsc(&li_rdtsc); + { + z_stream zcpr; + int ret=Z_OK; + long lOrigToDo = lFileSize; + long lOrigDone = 0; + int step=0; + memset(&zcpr,0,sizeof(z_stream)); + deflateInit(&zcpr,cprLevel); + + zcpr.next_in = FilePtr; + zcpr.next_out = CprPtr; + + + do + { + long all_read_before = zcpr.total_in; + zcpr.avail_in = min(lOrigToDo,BlockSizeCompress); + zcpr.avail_out = BlockSizeCompress; + ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH); + lOrigDone += (zcpr.total_in-all_read_before); + lOrigToDo -= (zcpr.total_in-all_read_before); + step++; + } while (ret==Z_OK); + + lSizeCpr=zcpr.total_out; + deflateEnd(&zcpr); + dwGetTick=GetTickCount()-dwGetTick; + dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE); + dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE); + printf("total compress size = %u, in %u step\n",lSizeCpr,step); + printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.); + printf("defcpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.); + printf("defcpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart); + } + + CprPtr=(unsigned char*)realloc(CprPtr,lSizeCpr); + UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress); + + BeginCountPerfCounter(&li_qp,TRUE); + dwGetTick=GetTickCount(); + BeginCountRdtsc(&li_rdtsc); + { + z_stream zcpr; + int ret=Z_OK; + long lOrigToDo = lSizeCpr; + long lOrigDone = 0; + int step=0; + memset(&zcpr,0,sizeof(z_stream)); + inflateInit(&zcpr); + + zcpr.next_in = CprPtr; + zcpr.next_out = UncprPtr; + + + do + { + long all_read_before = zcpr.total_in; + zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress); + zcpr.avail_out = BlockSizeUncompress; + ret=inflate(&zcpr,Z_SYNC_FLUSH); + lOrigDone += (zcpr.total_in-all_read_before); + lOrigToDo -= (zcpr.total_in-all_read_before); + step++; + } while (ret==Z_OK); + + lSizeUncpr=zcpr.total_out; + inflateEnd(&zcpr); + dwGetTick=GetTickCount()-dwGetTick; + dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE); + dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE); + printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step); + printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.); + printf("uncpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.); + printf("uncpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart); + } + + if (lSizeUncpr==lFileSize) + { + if (memcmp(FilePtr,UncprPtr,lFileSize)==0) + printf("compare ok\n"); + + } + + return 0; +} diff --git a/contrib/testzlib/testzlib.txt b/contrib/testzlib/testzlib.txt new file mode 100644 index 0000000..62258f1 --- /dev/null +++ b/contrib/testzlib/testzlib.txt @@ -0,0 +1,10 @@ +To build testzLib with Visual Studio 2005: + +copy to a directory file from : +- root of zLib tree +- contrib/testzlib +- contrib/masmx86 +- contrib/masmx64 +- contrib/vstudio/vc7 + +and open testzlib8.sln \ No newline at end of file diff --git a/contrib/testzlib/testzlib8.sln b/contrib/testzlib/testzlib8.sln new file mode 100644 index 0000000..794f72d --- /dev/null +++ b/contrib/testzlib/testzlib8.sln @@ -0,0 +1,32 @@ + +Microsoft Visual Studio Solution File, Format Version 9.00 +# Visual Studio 2005 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib8", "testzlib8.vcproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Win32 = Debug|Win32 + Debug|Win64 (AMD64) = Debug|Win64 (AMD64) + Release|Win32 = Release|Win32 + Release|Win64 (AMD64) = Release|Win64 (AMD64) + ReleaseAsm|Win32 = ReleaseAsm|Win32 + ReleaseAsm|Win64 (AMD64) = ReleaseAsm|Win64 (AMD64) + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win64 (AMD64).ActiveCfg = Debug|Win64 (AMD64) + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win64 (AMD64).Build.0 = Debug|Win64 (AMD64) + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win64 (AMD64).ActiveCfg = Release|Win64 (AMD64) + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win64 (AMD64).Build.0 = Release|Win64 (AMD64) + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseAsm|Win32.ActiveCfg = ReleaseAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseAsm|Win32.Build.0 = ReleaseAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseAsm|Win64 (AMD64).ActiveCfg = ReleaseAsm|Win64 (AMD64) + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseAsm|Win64 (AMD64).Build.0 = ReleaseAsm|Win64 (AMD64) + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/contrib/testzlib/testzlib8.vcproj b/contrib/testzlib/testzlib8.vcproj new file mode 100644 index 0000000..3cab776 --- /dev/null +++ b/contrib/testzlib/testzlib8.vcproj @@ -0,0 +1,638 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/contrib/vstudio/vc7/gvmat32.obj b/contrib/vstudio/vc7/gvmat32.obj index 5b2f856..ebb3262 100644 Binary files a/contrib/vstudio/vc7/gvmat32.obj and b/contrib/vstudio/vc7/gvmat32.obj differ diff --git a/contrib/vstudio/vc7/inffas32.obj b/contrib/vstudio/vc7/inffas32.obj index a541a5a..bd6664d 100644 Binary files a/contrib/vstudio/vc7/inffas32.obj and b/contrib/vstudio/vc7/inffas32.obj differ diff --git a/contrib/vstudio/vc7/zlib.rc b/contrib/vstudio/vc7/zlib.rc index d35cef0..d0651ec 100644 --- a/contrib/vstudio/vc7/zlib.rc +++ b/contrib/vstudio/vc7/zlib.rc @@ -2,8 +2,8 @@ #define IDR_VERSION1 1 IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE - FILEVERSION 1,2,2,2 - PRODUCTVERSION 1,2,2,2 + FILEVERSION 1,2,2,3 + PRODUCTVERSION 1,2,2,3 FILEFLAGSMASK VS_FFI_FILEFLAGSMASK FILEFLAGS 0 FILEOS VOS_DOS_WINDOWS32 @@ -17,7 +17,7 @@ BEGIN BEGIN VALUE "FileDescription", "zlib data compression library\0" - VALUE "FileVersion", "1.2.2.2\0" + VALUE "FileVersion", "1.2.2.3\0" VALUE "InternalName", "zlib\0" VALUE "OriginalFilename", "zlib.dll\0" VALUE "ProductName", "ZLib.DLL\0" -- cgit v1.2.3-55-g6feb