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-rw-r--r--contrib/minizip/ioapi.c220
1 files changed, 139 insertions, 81 deletions
diff --git a/contrib/minizip/ioapi.c b/contrib/minizip/ioapi.c
index f1bee23..36ed0e0 100644
--- a/contrib/minizip/ioapi.c
+++ b/contrib/minizip/ioapi.c
@@ -1,74 +1,104 @@
1/* ioapi.c -- IO base function header for compress/uncompress .zip 1/* ioapi.h -- IO base function header for compress/uncompress .zip
2 files using zlib + zip or unzip API 2 part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
3 3
4 Version 1.01e, February 12th, 2005 4 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
5
6 Copyright (C) 1998-2005 Gilles Vollant
7*/
8
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12
13#include "zlib.h"
14#include "ioapi.h"
15 5
6 Modifications for Zip64 support
7 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
16 8
9 For more info read MiniZip_info.txt
17 10
18/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ 11*/
19 12
20#ifndef SEEK_CUR 13#if (defined(_WIN32))
21#define SEEK_CUR 1 14 #define _CRT_SECURE_NO_WARNINGS
22#endif 15#endif
23 16
24#ifndef SEEK_END 17#include "ioapi.h"
25#define SEEK_END 2
26#endif
27 18
28#ifndef SEEK_SET 19voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
29#define SEEK_SET 0 20{
30#endif 21 if (pfilefunc->zfile_func64.zopen64_file != NULL)
22 return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
23 else
24 {
25 return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode);
26 }
27}
31 28
32voidpf ZCALLBACK fopen_file_func OF(( 29long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)
33 voidpf opaque, 30{
34 const char* filename, 31 if (pfilefunc->zfile_func64.zseek64_file != NULL)
35 int mode)); 32 return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
33 else
34 {
35 uLong offsetTruncated = (uLong)offset;
36 if (offsetTruncated != offset)
37 return -1;
38 else
39 return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
40 }
41}
36 42
37uLong ZCALLBACK fread_file_func OF(( 43ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)
38 voidpf opaque, 44{
39 voidpf stream, 45 if (pfilefunc->zfile_func64.zseek64_file != NULL)
40 void* buf, 46 return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
41 uLong size)); 47 else
48 {
49 uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
50 if ((tell_uLong) == ((uLong)-1))
51 return (ZPOS64_T)-1;
52 else
53 return tell_uLong;
54 }
55}
42 56
43uLong ZCALLBACK fwrite_file_func OF(( 57void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32)
44 voidpf opaque, 58{
45 voidpf stream, 59 p_filefunc64_32->zfile_func64.zopen64_file = NULL;
46 const void* buf, 60 p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
47 uLong size)); 61 p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
62 p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
63 p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
64 p_filefunc64_32->zfile_func64.ztell64_file = NULL;
65 p_filefunc64_32->zfile_func64.zseek64_file = NULL;
66 p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
67 p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
68 p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
69 p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
70 p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
71}
48 72
49long ZCALLBACK ftell_file_func OF((
50 voidpf opaque,
51 voidpf stream));
52 73
53long ZCALLBACK fseek_file_func OF((
54 voidpf opaque,
55 voidpf stream,
56 uLong offset,
57 int origin));
58 74
59int ZCALLBACK fclose_file_func OF(( 75static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode));
60 voidpf opaque, 76static uLong ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
61 voidpf stream)); 77static uLong ZCALLBACK fwrite_file_func OF((voidpf opaque, voidpf stream, const void* buf,uLong size));
78static ZPOS64_T ZCALLBACK ftell64_file_func OF((voidpf opaque, voidpf stream));
79static long ZCALLBACK fseek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
80static int ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream));
81static int ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream));
62 82
63int ZCALLBACK ferror_file_func OF(( 83static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
64 voidpf opaque, 84{
65 voidpf stream)); 85 FILE* file = NULL;
86 const char* mode_fopen = NULL;
87 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
88 mode_fopen = "rb";
89 else
90 if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
91 mode_fopen = "r+b";
92 else
93 if (mode & ZLIB_FILEFUNC_MODE_CREATE)
94 mode_fopen = "wb";
66 95
96 if ((filename!=NULL) && (mode_fopen != NULL))
97 file = fopen(filename, mode_fopen);
98 return file;
99}
67 100
68voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) 101static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode)
69 voidpf opaque;
70 const char* filename;
71 int mode;
72{ 102{
73 FILE* file = NULL; 103 FILE* file = NULL;
74 const char* mode_fopen = NULL; 104 const char* mode_fopen = NULL;
@@ -82,48 +112,41 @@ voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
82 mode_fopen = "wb"; 112 mode_fopen = "wb";
83 113
84 if ((filename!=NULL) && (mode_fopen != NULL)) 114 if ((filename!=NULL) && (mode_fopen != NULL))
85 file = fopen(filename, mode_fopen); 115 file = fopen64((const char*)filename, mode_fopen);
86 return file; 116 return file;
87} 117}
88 118
89 119
90uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) 120static uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size)
91 voidpf opaque;
92 voidpf stream;
93 void* buf;
94 uLong size;
95{ 121{
96 uLong ret; 122 uLong ret;
97 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); 123 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
98 return ret; 124 return ret;
99} 125}
100 126
101 127static uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size)
102uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
103 voidpf opaque;
104 voidpf stream;
105 const void* buf;
106 uLong size;
107{ 128{
108 uLong ret; 129 uLong ret;
109 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); 130 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
110 return ret; 131 return ret;
111} 132}
112 133
113long ZCALLBACK ftell_file_func (opaque, stream) 134static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
114 voidpf opaque;
115 voidpf stream;
116{ 135{
117 long ret; 136 long ret;
118 ret = ftell((FILE *)stream); 137 ret = ftell((FILE *)stream);
119 return ret; 138 return ret;
120} 139}
121 140
122long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) 141
123 voidpf opaque; 142static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
124 voidpf stream; 143{
125 uLong offset; 144 ZPOS64_T ret;
126 int origin; 145 ret = ftello64((FILE *)stream);
146 return ret;
147}
148
149static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin)
127{ 150{
128 int fseek_origin=0; 151 int fseek_origin=0;
129 long ret; 152 long ret;
@@ -141,22 +164,45 @@ long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
141 default: return -1; 164 default: return -1;
142 } 165 }
143 ret = 0; 166 ret = 0;
144 fseek((FILE *)stream, offset, fseek_origin); 167 if (fseek((FILE *)stream, offset, fseek_origin) != 0)
168 ret = -1;
145 return ret; 169 return ret;
146} 170}
147 171
148int ZCALLBACK fclose_file_func (opaque, stream) 172static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
149 voidpf opaque; 173{
150 voidpf stream; 174 int fseek_origin=0;
175 long ret;
176 switch (origin)
177 {
178 case ZLIB_FILEFUNC_SEEK_CUR :
179 fseek_origin = SEEK_CUR;
180 break;
181 case ZLIB_FILEFUNC_SEEK_END :
182 fseek_origin = SEEK_END;
183 break;
184 case ZLIB_FILEFUNC_SEEK_SET :
185 fseek_origin = SEEK_SET;
186 break;
187 default: return -1;
188 }
189 ret = 0;
190
191 if(fseeko64((FILE *)stream, offset, fseek_origin) != 0)
192 ret = -1;
193
194 return ret;
195}
196
197
198static int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream)
151{ 199{
152 int ret; 200 int ret;
153 ret = fclose((FILE *)stream); 201 ret = fclose((FILE *)stream);
154 return ret; 202 return ret;
155} 203}
156 204
157int ZCALLBACK ferror_file_func (opaque, stream) 205static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream)
158 voidpf opaque;
159 voidpf stream;
160{ 206{
161 int ret; 207 int ret;
162 ret = ferror((FILE *)stream); 208 ret = ferror((FILE *)stream);
@@ -175,3 +221,15 @@ void fill_fopen_filefunc (pzlib_filefunc_def)
175 pzlib_filefunc_def->zerror_file = ferror_file_func; 221 pzlib_filefunc_def->zerror_file = ferror_file_func;
176 pzlib_filefunc_def->opaque = NULL; 222 pzlib_filefunc_def->opaque = NULL;
177} 223}
224
225void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def)
226{
227 pzlib_filefunc_def->zopen64_file = fopen64_file_func;
228 pzlib_filefunc_def->zread_file = fread_file_func;
229 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
230 pzlib_filefunc_def->ztell64_file = ftell64_file_func;
231 pzlib_filefunc_def->zseek64_file = fseek64_file_func;
232 pzlib_filefunc_def->zclose_file = fclose_file_func;
233 pzlib_filefunc_def->zerror_file = ferror_file_func;
234 pzlib_filefunc_def->opaque = NULL;
235}
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