21 files changed, 378 insertions, 239 deletions

diff --git a/contrib/asm686/match.S b/contrib/asm686/match.S
index 06817e1..fa42109 100644
--- a/contrib/asm686/match.S
+++ b/contrib/asm686/match.S
@@ -83,17 +83,25 @@
 .text
 
 /* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
+.cfi_sections   .debug_frame
 
 longest_match:
 
+.cfi_startproc
 /* Save registers that the compiler may be using, and adjust %esp to    */
 /* make room for our stack frame.                                       */
 
                 pushl   %ebp
+                .cfi_def_cfa_offset 8
+                .cfi_offset ebp, -8
                 pushl   %edi
+                .cfi_def_cfa_offset 12
                 pushl   %esi
+                .cfi_def_cfa_offset 16
                 pushl   %ebx
+                .cfi_def_cfa_offset 20
                 subl    $LocalVarsSize, %esp
+                .cfi_def_cfa_offset LocalVarsSize+20
 
 /* Retrieve the function arguments. %ecx will hold cur_match            */
 /* throughout the entire function. %edx will hold the pointer to the    */
@@ -108,7 +116,7 @@ longest_match:
 /* if (s->prev_length >= s->good_match) {                               */
 /*     chain_length >>= 2;                                              */
 /* }                                                                    */
-
+ 
                 movl    dsPrevLen(%edx), %eax
                 movl    dsGoodMatch(%edx), %ebx
                 cmpl    %ebx, %eax
@@ -336,8 +344,14 @@ LookaheadRet:
 /* Restore the stack and return from whence we came.                    */
 
                 addl    $LocalVarsSize, %esp
+                .cfi_def_cfa_offset 20
                 popl    %ebx
+                .cfi_def_cfa_offset 16
                 popl    %esi
+                .cfi_def_cfa_offset 12
                 popl    %edi
+                .cfi_def_cfa_offset 8
                 popl    %ebp
+                .cfi_def_cfa_offset 4
+.cfi_endproc
 match_init:     ret
diff --git a/contrib/delphi/ZLib.pas b/contrib/delphi/ZLib.pas
index 0d86fb5..8690594 100644
--- a/contrib/delphi/ZLib.pas
+++ b/contrib/delphi/ZLib.pas
@@ -152,7 +152,7 @@ procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer;
   const OutBuf: Pointer; BufSize: Integer);
 
 const
-  zlib_version = '1.2.5';
+  zlib_version = '1.2.5.1';
 
 type
   EZlibError = class(Exception);
diff --git a/contrib/dotzlib/DotZLib/UnitTests.cs b/contrib/dotzlib/DotZLib/UnitTests.cs
index 3bbcc8c..e004833 100644
--- a/contrib/dotzlib/DotZLib/UnitTests.cs
+++ b/contrib/dotzlib/DotZLib/UnitTests.cs
@@ -156,7 +156,7 @@ namespace DotZLibTests
         public void Info_Version()

         {

             Info info = new Info();

-            Assert.AreEqual("1.2.5", Info.Version);

+            Assert.AreEqual("1.2.5.1", Info.Version);

             Assert.AreEqual(32, info.SizeOfUInt);

             Assert.AreEqual(32, info.SizeOfULong);

             Assert.AreEqual(32, info.SizeOfPointer);

diff --git a/contrib/infback9/inftree9.c b/contrib/infback9/inftree9.c
index 306c5f1..dfd0030 100644
--- a/contrib/infback9/inftree9.c
+++ b/contrib/infback9/inftree9.c
@@ -9,7 +9,7 @@
 #define MAXBITS 15
 
 const char inflate9_copyright[] =
-   " inflate9 1.2.5 Copyright 1995-2010 Mark Adler ";
+   " inflate9 1.2.5.1 Copyright 1995-2010 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, 73, 195};
+        133, 133, 133, 133, 144, 205, 203};
     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/masmx86/inffas32.asm b/contrib/masmx86/inffas32.asm
index 92ac22a..03d20f8 100644
--- a/contrib/masmx86/inffas32.asm
+++ b/contrib/masmx86/inffas32.asm
@@ -73,11 +73,6 @@ inflate_fast_use_mmx:
 

 

 _TEXT                   segment

-PUBLIC _inflate_fast

-

-ALIGN 4

-_inflate_fast:

-        jmp inflate_fast_entry

 

 

 

@@ -163,7 +158,8 @@ distbits_state	 equ	(76+4+zlib1222sup)	;/* state->distbits */
 ;SECTION .text

 

 ALIGN 4

-inflate_fast_entry:

+_inflate_fast proc near

+.FPO (16, 4, 0, 0, 1, 0)

         push  edi

         push  esi

         push  ebp

@@ -1078,6 +1074,7 @@ L_done:
         pop  esi

         pop  edi

         ret

+_inflate_fast endp

 

 _TEXT   ends

 end

diff --git a/contrib/masmx86/match686.asm b/contrib/masmx86/match686.asm
index 1eaf555..3b09212 100644
--- a/contrib/masmx86/match686.asm
+++ b/contrib/masmx86/match686.asm
@@ -195,6 +195,7 @@ dsNiceMatch equ 136+zlib1222add
     ELSE

     _longest_match      proc near

     ENDIF

+.FPO (9, 4, 0, 0, 1, 0)

 

 ;;; Save registers that the compiler may be using, and adjust esp to

 ;;; make room for our stack frame.

diff --git a/contrib/minizip/ioapi.c b/contrib/minizip/ioapi.c
index 49958f6..d4bc020 100644
--- a/contrib/minizip/ioapi.c
+++ b/contrib/minizip/ioapi.c
@@ -14,6 +14,18 @@
         #define _CRT_SECURE_NO_WARNINGS
 #endif
 
+#ifdef __APPLE__
+// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+#define FTELLO_FUNC(stream) ftello(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+#else
+#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+#define FTELLO_FUNC(stream) ftello64(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+#endif
+
+
 #include "ioapi.h"
 
 voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
@@ -112,7 +124,7 @@ static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename,
         mode_fopen = "wb";
 
     if ((filename!=NULL) && (mode_fopen != NULL))
-        file = fopen64((const char*)filename, mode_fopen);
+        file = FOPEN_FUNC((const char*)filename, mode_fopen);
     return file;
 }
 
@@ -142,7 +154,7 @@ static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
 static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
 {
     ZPOS64_T ret;
-    ret = ftello64((FILE *)stream);
+    ret = FTELLO_FUNC((FILE *)stream);
     return ret;
 }
 
@@ -188,7 +200,7 @@ static long ZCALLBACK fseek64_file_func (voidpf  opaque, voidpf stream, ZPOS64_T
     }
     ret = 0;
 
-    if(fseeko64((FILE *)stream, offset, fseek_origin) != 0)
+    if(FSEEKO_FUNC((FILE *)stream, offset, fseek_origin) != 0)
                         ret = -1;
 
     return ret;
diff --git a/contrib/minizip/ioapi.h b/contrib/minizip/ioapi.h
index 8309c4c..f6dce26 100644
--- a/contrib/minizip/ioapi.h
+++ b/contrib/minizip/ioapi.h
@@ -21,7 +21,7 @@
 #ifndef _ZLIBIOAPI64_H
 #define _ZLIBIOAPI64_H
 
-#if (!defined(_WIN32)) && (!defined(WIN32))
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
 
   // Linux needs this to support file operation on files larger then 4+GB
   // But might need better if/def to select just the platforms that needs them.
@@ -38,6 +38,7 @@
         #ifndef _FILE_OFFSET_BIT
                 #define _FILE_OFFSET_BIT 64
         #endif
+
 #endif
 
 #include <stdio.h>
diff --git a/contrib/minizip/miniunz.c b/contrib/minizip/miniunz.c
index 9ed009f..3d65401 100644
--- a/contrib/minizip/miniunz.c
+++ b/contrib/minizip/miniunz.c
@@ -12,7 +12,7 @@
          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
 */
 
-#ifndef _WIN32
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
         #ifndef __USE_FILE_OFFSET64
                 #define __USE_FILE_OFFSET64
         #endif
@@ -27,6 +27,18 @@
         #endif
 #endif
 
+#ifdef __APPLE__
+// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+#define FTELLO_FUNC(stream) ftello(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+#else
+#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+#define FTELLO_FUNC(stream) ftello64(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+#endif
+
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -34,14 +46,15 @@
 #include <errno.h>
 #include <fcntl.h>
 
-#ifdef unix
-# include <unistd.h>
-# include <utime.h>
-#else
+#ifdef _WIN32
 # include <direct.h>
 # include <io.h>
+#else
+# include <unistd.h>
+# include <utime.h>
 #endif
 
+
 #include "unzip.h"
 
 #define CASESENSITIVITY (0)
@@ -84,7 +97,7 @@ void change_file_date(filename,dosdate,tmu_date)
   SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
   CloseHandle(hFile);
 #else
-#ifdef unix
+#ifdef unix || __APPLE__
   struct utimbuf ut;
   struct tm newdate;
   newdate.tm_sec = tmu_date.tm_sec;
@@ -114,10 +127,10 @@ int mymkdir(dirname)
     int ret=0;
 #ifdef _WIN32
     ret = _mkdir(dirname);
-#else
-#ifdef unix
+#elif unix
+    ret = mkdir (dirname,0775);
+#elif __APPLE__
     ret = mkdir (dirname,0775);
-#endif
 #endif
     return ret;
 }
@@ -364,7 +377,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
         {
             char rep=0;
             FILE* ftestexist;
-            ftestexist = fopen64(write_filename,"rb");
+            ftestexist = FOPEN_FUNC(write_filename,"rb");
             if (ftestexist!=NULL)
             {
                 fclose(ftestexist);
@@ -395,8 +408,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
 
         if ((skip==0) && (err==UNZ_OK))
         {
-            fout=fopen64(write_filename,"wb");
-
+            fout=FOPEN_FUNC(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))
@@ -405,7 +417,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
                 *(filename_withoutpath-1)='\0';
                 makedir(write_filename);
                 *(filename_withoutpath-1)=c;
-                fout=fopen64(write_filename,"wb");
+                fout=FOPEN_FUNC(write_filename,"wb");
             }
 
             if (fout==NULL)
diff --git a/contrib/minizip/minizip.c b/contrib/minizip/minizip.c
index 7a4fa5a..de63e37 100644
--- a/contrib/minizip/minizip.c
+++ b/contrib/minizip/minizip.c
@@ -13,7 +13,7 @@
 */
 
 
-#ifndef _WIN32
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
         #ifndef __USE_FILE_OFFSET64
                 #define __USE_FILE_OFFSET64
         #endif
@@ -28,6 +28,19 @@
         #endif
 #endif
 
+#ifdef __APPLE__
+// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+#define FTELLO_FUNC(stream) ftello(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+#else
+#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+#define FTELLO_FUNC(stream) ftello64(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+#endif
+
+
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -35,14 +48,14 @@
 #include <errno.h>
 #include <fcntl.h>
 
-#ifdef unix
+#ifdef _WIN32
+# include <direct.h>
+# include <io.h>
+#else
 # include <unistd.h>
 # include <utime.h>
 # include <sys/types.h>
 # include <sys/stat.h>
-#else
-# include <direct.h>
-# include <io.h>
 #endif
 
 #include "zip.h"
@@ -81,7 +94,7 @@ uLong filetime(f, tmzip, dt)
   return ret;
 }
 #else
-#ifdef unix
+#ifdef unix || __APPLE__
 uLong filetime(f, tmzip, dt)
     char *f;               /* name of file to get info on */
     tm_zip *tmzip;         /* return value: access, modific. and creation times */
@@ -142,7 +155,7 @@ int check_exist_file(filename)
 {
     FILE* ftestexist;
     int ret = 1;
-    ftestexist = fopen64(filename,"rb");
+    ftestexist = FOPEN_FUNC(filename,"rb");
     if (ftestexist==NULL)
         ret = 0;
     else
@@ -173,7 +186,8 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne
 {
    unsigned long calculate_crc=0;
    int err=ZIP_OK;
-   FILE * fin = fopen64(filenameinzip,"rb");
+   FILE * fin = FOPEN_FUNC(filenameinzip,"rb");
+   
    unsigned long size_read = 0;
    unsigned long total_read = 0;
    if (fin==NULL)
@@ -211,13 +225,12 @@ int isLargeFile(const char* filename)
 {
   int largeFile = 0;
   ZPOS64_T pos = 0;
-  FILE* pFile = fopen64(filename, "rb");
+  FILE* pFile = FOPEN_FUNC(filename, "rb");
 
   if(pFile != NULL)
   {
-    int n = fseeko64(pFile, 0, SEEK_END);
-
-    pos = ftello64(pFile);
+    int n = FSEEKO_FUNC(pFile, 0, SEEK_END);
+    pos = FTELLO_FUNC(pFile);
 
                 printf("File : %s is %lld bytes\n", filename, pos);
 
@@ -447,7 +460,7 @@ int main(argc,argv)
                     printf("error in opening %s in zipfile\n",filenameinzip);
                 else
                 {
-                    fin = fopen64(filenameinzip,"rb");
+                    fin = FOPEN_FUNC(filenameinzip,"rb");
                     if (fin==NULL)
                     {
                         err=ZIP_ERRNO;
diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c
index 7617f41..587a2a1 100644
--- a/contrib/minizip/unzip.c
+++ b/contrib/minizip/unzip.c
@@ -1145,7 +1145,7 @@ extern int ZEXPORT unzGetCurrentFileInfo (unzFile file,
                                                 szFileName,fileNameBufferSize,
                                                 extraField,extraFieldBufferSize,
                                                 szComment,commentBufferSize);
-    if (err==UNZ_OK)
+    if ((err==UNZ_OK) && (pfile_info != NULL))
     {
         pfile_info->version = file_info64.version;
         pfile_info->version_needed = file_info64.version_needed;
diff --git a/contrib/pascal/zlibpas.pas b/contrib/pascal/zlibpas.pas
index 637ae3a..6f49482 100644
--- a/contrib/pascal/zlibpas.pas
+++ b/contrib/pascal/zlibpas.pas
@@ -10,7 +10,7 @@ unit zlibpas;
 interface
 
 const
-  ZLIB_VERSION = '1.2.5';
+  ZLIB_VERSION = '1.2.5.1';
 
 type
   alloc_func = function(opaque: Pointer; items, size: Integer): Pointer;
@@ -97,6 +97,7 @@ function deflateCopy(var dest, source: z_stream): Integer;
 function deflateReset(var strm: z_stream): Integer;
 function deflateParams(var strm: z_stream; level, strategy: Integer): Integer;
 function deflateBound(var strm: z_stream; sourceLen: LongInt): LongInt;
+function deflatePending(var strm: z_stream; var pending: Integer; var bits: Integer): Integer;
 function deflatePrime(var strm: z_stream; bits, value: Integer): Integer;
 function inflateInit2(var strm: z_stream; windowBits: Integer): Integer;
 function inflateSetDictionary(var strm: z_stream; const dictionary: PChar;
@@ -166,6 +167,7 @@ function deflateEnd; external;
 function deflateInit_; external;
 function deflateInit2_; external;
 function deflateParams; external;
+function deflatePending; external;
 function deflatePrime; external;
 function deflateReset; external;
 function deflateSetDictionary; external;
diff --git a/contrib/puff/Makefile b/contrib/puff/Makefile
index b6b6940..0e2594c 100644
--- a/contrib/puff/Makefile
+++ b/contrib/puff/Makefile
@@ -1,8 +1,42 @@
-puff: puff.c puff.h
-        cc -DTEST -o puff puff.c
+CFLAGS=-O
+
+puff: puff.o pufftest.o
+
+puff.o: puff.h
+
+pufftest.o: puff.h
 
 test: puff
         puff zeros.raw
 
+puft: puff.c puff.h pufftest.o
+        cc -fprofile-arcs -ftest-coverage -o puft puff.c pufftest.o
+
+# puff full coverage test (should say 100%)
+cov: puft
+        @rm -f *.gcov *.gcda
+        @puft -w zeros.raw 2>&1 | cat > /dev/null
+        @echo '04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+        @echo '00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+        @echo '00 00 00 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 254
+        @echo '00 01 00 fe ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+        @echo '01 01 00 fe ff 0a' | xxd -r -p | puft -f 2>&1 | cat > /dev/null
+        @echo '02 7e ff ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246
+        @echo '02' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+        @echo '04 80 49 92 24 49 92 24 0f b4 ff ff c3 04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+        @echo '04 80 49 92 24 49 92 24 71 ff ff 93 11 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 249
+        @echo '04 c0 81 08 00 00 00 00 20 7f eb 0b 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246
+        @echo '0b 00 00' | xxd -r -p | puft -f 2>&1 | cat > /dev/null
+        @echo '1a 07' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246
+        @echo '0c c0 81 00 00 00 00 00 90 ff 6b 04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 245
+        @puft -f zeros.raw 2>&1 | cat > /dev/null
+        @echo 'fc 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 253
+        @echo '04 00 fe ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 252
+        @echo '04 00 24 49' | xxd -r -p | puft 2> /dev/null || test $$? -eq 251
+        @echo '04 80 49 92 24 49 92 24 0f b4 ff ff c3 84' | xxd -r -p | puft 2> /dev/null || test $$? -eq 248
+        @echo '04 00 24 e9 ff ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 250
+        @echo '04 00 24 e9 ff 6d' | xxd -r -p | puft 2> /dev/null || test $$? -eq 247
+        @gcov -n puff.c
+
 clean:
-        rm -f puff puff.o
+        rm -f puff puft *.o *.gc*
diff --git a/contrib/puff/puff.c b/contrib/puff/puff.c
index 650694e..df8470c 100644
--- a/contrib/puff/puff.c
+++ b/contrib/puff/puff.c
@@ -2,7 +2,7 @@
  * puff.c
  * Copyright (C) 2002-2010 Mark Adler
  * For conditions of distribution and use, see copyright notice in puff.h
- * version 2.1, 4 Apr 2010
+ * version 2.2, 25 Apr 2010
  *
  * puff.c is a simple inflate written to be an unambiguous way to specify the
  * deflate format.  It is not written for speed but rather simplicity.  As a
@@ -49,9 +49,9 @@
  *                      - Fix fixed codes table error
  *                      - Provide a scanning mode for determining size of
  *                        uncompressed data
- * 1.3  20 Mar 2002     - Go back to lengths for puff() parameters [Jean-loup]
+ * 1.3  20 Mar 2002     - Go back to lengths for puff() parameters [Gailly]
  *                      - Add a puff.h file for the interface
- *                      - Add braces in puff() for else do [Jean-loup]
+ *                      - Add braces in puff() for else do [Gailly]
  *                      - Use indexes instead of pointers for readability
  * 1.4  31 Mar 2002     - Simplify construct() code set check
  *                      - Fix some comments
@@ -69,13 +69,19 @@
  *                      - Allow TEST code to read from piped stdin
  * 2.1   4 Apr 2010     - Avoid variable initialization for happier compilers
  *                      - Avoid unsigned comparisons for even happier compilers
+ * 2.2  25 Apr 2010     - Fix bug in variable initializations [Oberhumer]
+ *                      - Add const where appropriate [Oberhumer]
+ *                      - Split if's and ?'s for coverage testing
+ *                      - Break out test code to separate file
+ *                      - Move NIL to puff.h
+ *                      - Allow incomplete code only if single code length is 1
+ *                      - Add full code coverage test to Makefile
  */
 
 #include <setjmp.h>             /* for setjmp(), longjmp(), and jmp_buf */
 #include "puff.h"               /* prototype for puff() */
 
 #define local static            /* for local function definitions */
-#define NIL ((unsigned char *)0)        /* for no output option */
 
 /*
  * Maximums for allocations and loops.  It is not useful to change these --
@@ -95,7 +101,7 @@ struct state {
     unsigned long outcnt;       /* bytes written to out so far */
 
     /* input state */
-    unsigned char *in;          /* input buffer */
+    const unsigned char *in;    /* input buffer */
     unsigned long inlen;        /* available input at in */
     unsigned long incnt;        /* bytes read so far */
     int bitbuf;                 /* bit buffer */
@@ -123,7 +129,8 @@ local int bits(struct state *s, int need)
     /* load at least need bits into val */
     val = s->bitbuf;
     while (s->bitcnt < need) {
-        if (s->incnt == s->inlen) longjmp(s->env, 1);   /* out of input */
+        if (s->incnt == s->inlen)
+            longjmp(s->env, 1);         /* out of input */
         val |= (long)(s->in[s->incnt++]) << s->bitcnt;  /* load eight bits */
         s->bitcnt += 8;
     }
@@ -162,7 +169,8 @@ local int stored(struct state *s)
     s->bitcnt = 0;
 
     /* get length and check against its one's complement */
-    if (s->incnt + 4 > s->inlen) return 2;      /* not enough input */
+    if (s->incnt + 4 > s->inlen)
+        return 2;                               /* not enough input */
     len = s->in[s->incnt++];
     len |= s->in[s->incnt++] << 8;
     if (s->in[s->incnt++] != (~len & 0xff) ||
@@ -170,7 +178,8 @@ local int stored(struct state *s)
         return -2;                              /* didn't match complement! */
 
     /* copy len bytes from in to out */
-    if (s->incnt + len > s->inlen) return 2;    /* not enough input */
+    if (s->incnt + len > s->inlen)
+        return 2;                               /* not enough input */
     if (s->out != NIL) {
         if (s->outcnt + len > s->outlen)
             return 1;                           /* not enough output space */
@@ -222,7 +231,7 @@ struct huffman {
  *   in the deflate format.  See the format notes for fixed() and dynamic().
  */
 #ifdef SLOW
-local int decode(struct state *s, struct huffman *h)
+local int decode(struct state *s, const struct huffman *h)
 {
     int len;            /* current number of bits in code */
     int code;           /* len bits being decoded */
@@ -250,7 +259,7 @@ local int decode(struct state *s, struct huffman *h)
  * a few percent larger.
  */
 #else /* !SLOW */
-local int decode(struct state *s, struct huffman *h)
+local int decode(struct state *s, const struct huffman *h)
 {
     int len;            /* current number of bits in code */
     int code;           /* len bits being decoded */
@@ -283,10 +292,13 @@ local int decode(struct state *s, struct huffman *h)
             len++;
         }
         left = (MAXBITS+1) - len;
-        if (left == 0) break;
-        if (s->incnt == s->inlen) longjmp(s->env, 1);   /* out of input */
+        if (left == 0)
+            break;
+        if (s->incnt == s->inlen)
+            longjmp(s->env, 1);         /* out of input */
         bitbuf = s->in[s->incnt++];
-        if (left > 8) left = 8;
+        if (left > 8)
+            left = 8;
     }
     return -10;                         /* ran out of codes */
 }
@@ -324,7 +336,7 @@ local int decode(struct state *s, struct huffman *h)
  * - Within a given code length, the symbols are kept in ascending order for
  *   the code bits definition.
  */
-local int construct(struct huffman *h, short *length, int n)
+local int construct(struct huffman *h, const short *length, int n)
 {
     int symbol;         /* current symbol when stepping through length[] */
     int len;            /* current length when stepping through h->count[] */
@@ -344,7 +356,8 @@ local int construct(struct huffman *h, short *length, int n)
     for (len = 1; len <= MAXBITS; len++) {
         left <<= 1;                     /* one more bit, double codes left */
         left -= h->count[len];          /* deduct count from possible codes */
-        if (left < 0) return left;      /* over-subscribed--return negative */
+        if (left < 0)
+            return left;                /* over-subscribed--return negative */
     }                                   /* left > 0 means incomplete */
 
     /* generate offsets into symbol table for each length for sorting */
@@ -420,8 +433,8 @@ local int construct(struct huffman *h, short *length, int n)
  *   defined to do the wrong thing in this case.
  */
 local int codes(struct state *s,
-                struct huffman *lencode,
-                struct huffman *distcode)
+                const struct huffman *lencode,
+                const struct huffman *distcode)
 {
     int symbol;         /* decoded symbol */
     int len;            /* length for copy */
@@ -444,11 +457,13 @@ local int codes(struct state *s,
     /* decode literals and length/distance pairs */
     do {
         symbol = decode(s, lencode);
-        if (symbol < 0) return symbol;  /* invalid symbol */
+        if (symbol < 0)
+            return symbol;              /* invalid symbol */
         if (symbol < 256) {             /* literal: symbol is the byte */
             /* write out the literal */
             if (s->out != NIL) {
-                if (s->outcnt == s->outlen) return 1;
+                if (s->outcnt == s->outlen)
+                    return 1;
                 s->out[s->outcnt] = symbol;
             }
             s->outcnt++;
@@ -456,12 +471,14 @@ local int codes(struct state *s,
         else if (symbol > 256) {        /* length */
             /* get and compute length */
             symbol -= 257;
-            if (symbol >= 29) return -10;       /* invalid fixed code */
+            if (symbol >= 29)
+                return -10;             /* invalid fixed code */
             len = lens[symbol] + bits(s, lext[symbol]);
 
             /* get and check distance */
             symbol = decode(s, distcode);
-            if (symbol < 0) return symbol;      /* invalid symbol */
+            if (symbol < 0)
+                return symbol;          /* invalid symbol */
             dist = dists[symbol] + bits(s, dext[symbol]);
 #ifndef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
             if (dist > s->outcnt)
@@ -470,13 +487,15 @@ local int codes(struct state *s,
 
             /* copy length bytes from distance bytes back */
             if (s->out != NIL) {
-                if (s->outcnt + len > s->outlen) return 1;
+                if (s->outcnt + len > s->outlen)
+                    return 1;
                 while (len--) {
                     s->out[s->outcnt] =
 #ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
-                        dist > s->outcnt ? 0 :
+                        dist > s->outcnt ?
+                            0 :
 #endif
-                        s->out[s->outcnt - dist];
+                            s->out[s->outcnt - dist];
                     s->outcnt++;
                 }
             }
@@ -525,6 +544,12 @@ local int fixed(struct state *s)
         int symbol;
         short lengths[FIXLCODES];
 
+        /* construct lencode and distcode */
+        lencode.count = lencnt;
+        lencode.symbol = lensym;
+        distcode.count = distcnt;
+        distcode.symbol = distsym;
+
         /* literal/length table */
         for (symbol = 0; symbol < 144; symbol++)
             lengths[symbol] = 8;
@@ -541,12 +566,6 @@ local int fixed(struct state *s)
             lengths[symbol] = 5;
         construct(&distcode, lengths, MAXDCODES);
 
-        /* construct lencode and distcode */
-        lencode.count = lencnt;
-        lencode.symbol = lensym;
-        distcode.count = distcnt;
-        distcode.symbol = distsym;
-
         /* do this just once */
         virgin = 0;
     }
@@ -675,7 +694,8 @@ local int dynamic(struct state *s)
 
     /* build huffman table for code lengths codes (use lencode temporarily) */
     err = construct(&lencode, lengths, 19);
-    if (err != 0) return -4;            /* require complete code set here */
+    if (err != 0)               /* require complete code set here */
+        return -4;
 
     /* read length/literal and distance code length tables */
     index = 0;
@@ -689,7 +709,8 @@ local int dynamic(struct state *s)
         else {                          /* repeat instruction */
             len = 0;                    /* assume repeating zeros */
             if (symbol == 16) {         /* repeat last length 3..6 times */
-                if (index == 0) return -5;      /* no last length! */
+                if (index == 0)
+                    return -5;          /* no last length! */
                 len = lengths[index - 1];       /* last length */
                 symbol = 3 + bits(s, 2);
             }
@@ -710,13 +731,13 @@ local int dynamic(struct state *s)
 
     /* build huffman table for literal/length codes */
     err = construct(&lencode, lengths, nlen);
-    if (err < 0 || (err > 0 && nlen - lencode.count[0] != 1))
-        return -7;      /* only allow incomplete codes if just one code */
+    if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
+        return -7;      /* incomplete code ok only for single length 1 code */
 
     /* build huffman table for distance codes */
     err = construct(&distcode, lengths + nlen, ndist);
-    if (err < 0 || (err > 0 && ndist - distcode.count[0] != 1))
-        return -8;      /* only allow incomplete codes if just one code */
+    if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
+        return -8;      /* incomplete code ok only for single length 1 code */
 
     /* decode data until end-of-block code */
     return codes(s, &lencode, &distcode);
@@ -768,7 +789,7 @@ local int dynamic(struct state *s)
  */
 int puff(unsigned char *dest,           /* pointer to destination pointer */
          unsigned long *destlen,        /* amount of output space */
-         unsigned char *source,         /* pointer to source data pointer */
+         const unsigned char *source,   /* pointer to source data pointer */
          unsigned long *sourcelen)      /* amount of input available */
 {
     struct state s;             /* input/output state */
@@ -795,11 +816,15 @@ int puff(unsigned char *dest,           /* pointer to destination pointer */
         do {
             last = bits(&s, 1);         /* one if last block */
             type = bits(&s, 2);         /* block type 0..3 */
-            err = type == 0 ? stored(&s) :
-                  (type == 1 ? fixed(&s) :
-                   (type == 2 ? dynamic(&s) :
-                    -1));               /* type == 3, invalid */
-            if (err != 0) break;        /* return with error */
+            err = type == 0 ?
+                    stored(&s) :
+                    (type == 1 ?
+                        fixed(&s) :
+                        (type == 2 ?
+                            dynamic(&s) :
+                            -1));       /* type == 3, invalid */
+            if (err != 0)
+                break;                  /* return with error */
         } while (!last);
     }
 
@@ -810,146 +835,3 @@ int puff(unsigned char *dest,           /* pointer to destination pointer */
     }
     return err;
 }
-
-#ifdef TEST
-/* Examples of how to use puff().
-
-   Usage: puff [-w] [-nnn] file
-          ... | puff [-w] [-nnn]
-
-   where file is the input file with deflate data, nnn is the number of bytes
-   of input to skip before inflating (e.g. to skip a zlib or gzip header), and
-   -w is used to write the decompressed data to stdout */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-/* Return size times approximately the cube root of 2, keeping the result as 1,
-   3, or 5 times a power of 2 -- the result is always > size, until the result
-   is the maximum value of an unsigned long, where it remains.  This is useful
-   to keep reallocations less than ~33% over the actual data. */
-local size_t bythirds(size_t size)
-{
-    int n;
-    size_t m;
-
-    m = size;
-    for (n = 0; m; n++)
-        m >>= 1;
-    if (n < 3)
-        return size + 1;
-    n -= 3;
-    m = size >> n;
-    m += m == 6 ? 2 : 1;
-    m <<= n;
-    return m > size ? m : (size_t)(-1);
-}
-
-/* Read the input file *name, or stdin if name is NULL, into allocated memory.
-   Reallocate to larger buffers until the entire file is read in.  Return a
-   pointer to the allocated data, or NULL if there was a memory allocation
-   failure.  *len is the number of bytes of data read from the input file (even
-   if load() returns NULL).  If the input file was empty or could not be opened
-   or read, *len is zero. */
-local void *load(char *name, size_t *len)
-{
-    size_t size;
-    void *buf, *swap;
-    FILE *in;
-
-    *len = 0;
-    buf = malloc(size = 4096);
-    if (buf == NULL)
-        return NULL;
-    in = name == NULL ? stdin : fopen(name, "rb");
-    if (in != NULL) {
-        for (;;) {
-            *len += fread((char *)buf + *len, 1, size - *len, in);
-            if (*len < size) break;
-            size = bythirds(size);
-            if (size == *len || (swap = realloc(buf, size)) == NULL) {
-                free(buf);
-                buf = NULL;
-                break;
-            }
-            buf = swap;
-        }
-        fclose(in);
-    }
-    return buf;
-}
-
-int main(int argc, char **argv)
-{
-    int ret, put = 0;
-    unsigned skip = 0;
-    char *arg, *name = NULL;
-    unsigned char *source = NULL, *dest;
-    size_t len = 0;
-    unsigned long sourcelen, destlen;
-
-    /* process arguments */
-    while (arg = *++argv, --argc)
-        if (arg[0] == '-') {
-            if (arg[1] == 'w' && arg[2] == 0)
-                put = 1;
-            else if (arg[1] >= '0' && arg[1] <= '9')
-                skip = (unsigned)atoi(arg + 1);
-            else {
-                fprintf(stderr, "invalid option %s\n", arg);
-                return 3;
-            }
-        }
-        else if (name != NULL) {
-            fprintf(stderr, "only one file name allowed\n");
-            return 3;
-        }
-        else
-            name = arg;
-    source = load(name, &len);
-    if (source == NULL) {
-        fprintf(stderr, "memory allocation failure\n");
-        return 4;
-    }
-    if (len == 0) {
-        fprintf(stderr, "could not read %s, or it was empty\n",
-                name == NULL ? "<stdin>" : name);
-        free(source);
-        return 3;
-    }
-    if (skip >= len) {
-        fprintf(stderr, "skip request of %d leaves no input\n", skip);
-        free(source);
-        return 3;
-    }
-
-    /* test inflate data with offset skip */
-    len -= skip;
-    sourcelen = (unsigned long)len;
-    ret = puff(NIL, &destlen, source + skip, &sourcelen);
-    if (ret)
-        fprintf(stderr, "puff() failed with return code %d\n", ret);
-    else {
-        fprintf(stderr, "puff() succeeded uncompressing %lu bytes\n", destlen);
-        if (sourcelen < len) fprintf(stderr, "%lu compressed bytes unused\n",
-                                     len - sourcelen);
-    }
-
-    /* if requested, inflate again and write decompressd data to stdout */
-    if (put) {
-        dest = malloc(destlen);
-        if (dest == NULL) {
-            fprintf(stderr, "memory allocation failure\n");
-            free(source);
-            return 4;
-        }
-        puff(dest, &destlen, source + skip, &sourcelen);
-        fwrite(dest, 1, destlen, stdout);
-        free(dest);
-    }
-
-    /* clean up */
-    free(source);
-    return ret;
-}
-#endif
diff --git a/contrib/puff/puff.h b/contrib/puff/puff.h
index 88d1b38..6a0080a 100644
--- a/contrib/puff/puff.h
+++ b/contrib/puff/puff.h
@@ -1,6 +1,6 @@
 /* puff.h
   Copyright (C) 2002-2010 Mark Adler, all rights reserved
-  version 2.1, 4 Apr 2010
+  version 2.2, 25 Apr 2010
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the author be held liable for any damages
@@ -25,7 +25,11 @@
 /*
  * See puff.c for purpose and usage.
  */
+#ifndef NIL
+#  define NIL ((unsigned char *)0)      /* for no output option */
+#endif
+
 int puff(unsigned char *dest,           /* pointer to destination pointer */
          unsigned long *destlen,        /* amount of output space */
-         unsigned char *source,         /* pointer to source data pointer */
+         const unsigned char *source,   /* pointer to source data pointer */
          unsigned long *sourcelen);     /* amount of input available */
diff --git a/contrib/puff/pufftest.c b/contrib/puff/pufftest.c
new file mode 100644
index 0000000..76e35f6
--- /dev/null
+++ b/contrib/puff/pufftest.c
@@ -0,0 +1,165 @@
+/*
+ * pufftest.c
+ * Copyright (C) 2002-2010 Mark Adler
+ * For conditions of distribution and use, see copyright notice in puff.h
+ * version 2.2, 25 Apr 2010
+ */
+
+/* Example of how to use puff().
+
+   Usage: puff [-w] [-f] [-nnn] file
+          ... | puff [-w] [-f] [-nnn]
+
+   where file is the input file with deflate data, nnn is the number of bytes
+   of input to skip before inflating (e.g. to skip a zlib or gzip header), and
+   -w is used to write the decompressed data to stdout.  -f is for coverage
+   testing, and causes pufftest to fail with not enough output space (-f does
+   a write like -w, so -w is not required). */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "puff.h"
+
+#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
+#  include <fcntl.h>
+#  include <io.h>
+#  define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
+#else
+#  define SET_BINARY_MODE(file)
+#endif
+
+#define local static
+
+/* Return size times approximately the cube root of 2, keeping the result as 1,
+   3, or 5 times a power of 2 -- the result is always > size, until the result
+   is the maximum value of an unsigned long, where it remains.  This is useful
+   to keep reallocations less than ~33% over the actual data. */
+local size_t bythirds(size_t size)
+{
+    int n;
+    size_t m;
+
+    m = size;
+    for (n = 0; m; n++)
+        m >>= 1;
+    if (n < 3)
+        return size + 1;
+    n -= 3;
+    m = size >> n;
+    m += m == 6 ? 2 : 1;
+    m <<= n;
+    return m > size ? m : (size_t)(-1);
+}
+
+/* Read the input file *name, or stdin if name is NULL, into allocated memory.
+   Reallocate to larger buffers until the entire file is read in.  Return a
+   pointer to the allocated data, or NULL if there was a memory allocation
+   failure.  *len is the number of bytes of data read from the input file (even
+   if load() returns NULL).  If the input file was empty or could not be opened
+   or read, *len is zero. */
+local void *load(const char *name, size_t *len)
+{
+    size_t size;
+    void *buf, *swap;
+    FILE *in;
+
+    *len = 0;
+    buf = malloc(size = 4096);
+    if (buf == NULL)
+        return NULL;
+    in = name == NULL ? stdin : fopen(name, "rb");
+    if (in != NULL) {
+        for (;;) {
+            *len += fread((char *)buf + *len, 1, size - *len, in);
+            if (*len < size) break;
+            size = bythirds(size);
+            if (size == *len || (swap = realloc(buf, size)) == NULL) {
+                free(buf);
+                buf = NULL;
+                break;
+            }
+            buf = swap;
+        }
+        fclose(in);
+    }
+    return buf;
+}
+
+int main(int argc, char **argv)
+{
+    int ret, put = 0, fail = 0;
+    unsigned skip = 0;
+    char *arg, *name = NULL;
+    unsigned char *source = NULL, *dest;
+    size_t len = 0;
+    unsigned long sourcelen, destlen;
+
+    /* process arguments */
+    while (arg = *++argv, --argc)
+        if (arg[0] == '-') {
+            if (arg[1] == 'w' && arg[2] == 0)
+                put = 1;
+            else if (arg[1] == 'f' && arg[2] == 0)
+                fail = 1, put = 1;
+            else if (arg[1] >= '0' && arg[1] <= '9')
+                skip = (unsigned)atoi(arg + 1);
+            else {
+                fprintf(stderr, "invalid option %s\n", arg);
+                return 3;
+            }
+        }
+        else if (name != NULL) {
+            fprintf(stderr, "only one file name allowed\n");
+            return 3;
+        }
+        else
+            name = arg;
+    source = load(name, &len);
+    if (source == NULL) {
+        fprintf(stderr, "memory allocation failure\n");
+        return 4;
+    }
+    if (len == 0) {
+        fprintf(stderr, "could not read %s, or it was empty\n",
+                name == NULL ? "<stdin>" : name);
+        free(source);
+        return 3;
+    }
+    if (skip >= len) {
+        fprintf(stderr, "skip request of %d leaves no input\n", skip);
+        free(source);
+        return 3;
+    }
+
+    /* test inflate data with offset skip */
+    len -= skip;
+    sourcelen = (unsigned long)len;
+    ret = puff(NIL, &destlen, source + skip, &sourcelen);
+    if (ret)
+        fprintf(stderr, "puff() failed with return code %d\n", ret);
+    else {
+        fprintf(stderr, "puff() succeeded uncompressing %lu bytes\n", destlen);
+        if (sourcelen < len) fprintf(stderr, "%lu compressed bytes unused\n",
+                                     len - sourcelen);
+    }
+
+    /* if requested, inflate again and write decompressd data to stdout */
+    if (put && ret == 0) {
+        if (fail)
+            destlen >>= 1;
+        dest = malloc(destlen);
+        if (dest == NULL) {
+            fprintf(stderr, "memory allocation failure\n");
+            free(source);
+            return 4;
+        }
+        puff(dest, &destlen, source + skip, &sourcelen);
+        SET_BINARY_MODE(stdout);
+        fwrite(dest, 1, destlen, stdout);
+        free(dest);
+    }
+
+    /* clean up */
+    free(source);
+    return ret;
+}
diff --git a/contrib/puff/zeros.raw b/contrib/puff/zeros.raw
index 637b7be..0a90e76 100644
--- a/contrib/puff/zeros.raw
+++ b/contrib/puff/zeros.raw
diff --git a/contrib/vstudio/vc10/zlib.rc b/contrib/vstudio/vc10/zlib.rc
index f822450..00034ea 100644
--- a/contrib/vstudio/vc10/zlib.rc
+++ b/contrib/vstudio/vc10/zlib.rc
@@ -2,8 +2,8 @@
 

 #define IDR_VERSION1  1

 IDR_VERSION1    VERSIONINFO     MOVEABLE IMPURE LOADONCALL DISCARDABLE

-  FILEVERSION    1,2,5,0

-  PRODUCTVERSION 1,2,5,0

+  FILEVERSION    1.2.5.1,1

+  PRODUCTVERSION 1.2.5.1,1

   FILEFLAGSMASK VS_FFI_FILEFLAGSMASK

   FILEFLAGS     0

   FILEOS        VOS_DOS_WINDOWS32

@@ -17,7 +17,7 @@ BEGIN
 

     BEGIN

       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"

-      VALUE "FileVersion",      "1.2.5\0"

+      VALUE "FileVersion",      "1.2.5.1\0"

       VALUE "InternalName",     "zlib\0"

       VALUE "OriginalFilename", "zlib.dll\0"

       VALUE "ProductName",      "ZLib.DLL\0"

diff --git a/contrib/vstudio/vc10/zlibvc.def b/contrib/vstudio/vc10/zlibvc.def
index 0269ef7..ad8b4af 100644
--- a/contrib/vstudio/vc10/zlibvc.def
+++ b/contrib/vstudio/vc10/zlibvc.def
@@ -55,6 +55,7 @@ EXPORTS
         gzungetc                                 @49

         zlibCompileFlags                         @50

         deflatePrime                             @51

+        deflatePending                           @52

 

         unzOpen                                  @61

         unzClose                                 @62

diff --git a/contrib/vstudio/vc9/zlib.rc b/contrib/vstudio/vc9/zlib.rc
index f822450..00034ea 100644
--- a/contrib/vstudio/vc9/zlib.rc
+++ b/contrib/vstudio/vc9/zlib.rc
@@ -2,8 +2,8 @@
 

 #define IDR_VERSION1  1

 IDR_VERSION1    VERSIONINFO     MOVEABLE IMPURE LOADONCALL DISCARDABLE

-  FILEVERSION    1,2,5,0

-  PRODUCTVERSION 1,2,5,0

+  FILEVERSION    1.2.5.1,1

+  PRODUCTVERSION 1.2.5.1,1

   FILEFLAGSMASK VS_FFI_FILEFLAGSMASK

   FILEFLAGS     0

   FILEOS        VOS_DOS_WINDOWS32

@@ -17,7 +17,7 @@ BEGIN
 

     BEGIN

       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"

-      VALUE "FileVersion",      "1.2.5\0"

+      VALUE "FileVersion",      "1.2.5.1\0"

       VALUE "InternalName",     "zlib\0"

       VALUE "OriginalFilename", "zlib.dll\0"

       VALUE "ProductName",      "ZLib.DLL\0"

diff --git a/contrib/vstudio/vc9/zlibvc.def b/contrib/vstudio/vc9/zlibvc.def
index 0269ef7..ad8b4af 100644
--- a/contrib/vstudio/vc9/zlibvc.def
+++ b/contrib/vstudio/vc9/zlibvc.def
@@ -55,6 +55,7 @@ EXPORTS
         gzungetc                                 @49

         zlibCompileFlags                         @50

         deflatePrime                             @51

+        deflatePending                           @52

 

         unzOpen                                  @61

         unzClose                                 @62