Mercurial > hg > CbC > CbC_gcc
comparison zlib/contrib/minizip/ioapi.c @ 51:ae3a4bfb450b
add some files of version 4.4.3 that have been forgotten.
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 07 Feb 2010 18:27:48 +0900 |
parents | |
children | 04ced10e8804 |
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47:3bfb6c00c1e0 | 51:ae3a4bfb450b |
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1 /* ioapi.c -- IO base function header for compress/uncompress .zip | |
2 files using zlib + zip or unzip API | |
3 | |
4 Version 1.01e, February 12th, 2005 | |
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 | |
16 | |
17 | |
18 /* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ | |
19 | |
20 #ifndef SEEK_CUR | |
21 #define SEEK_CUR 1 | |
22 #endif | |
23 | |
24 #ifndef SEEK_END | |
25 #define SEEK_END 2 | |
26 #endif | |
27 | |
28 #ifndef SEEK_SET | |
29 #define SEEK_SET 0 | |
30 #endif | |
31 | |
32 voidpf ZCALLBACK fopen_file_func OF(( | |
33 voidpf opaque, | |
34 const char* filename, | |
35 int mode)); | |
36 | |
37 uLong ZCALLBACK fread_file_func OF(( | |
38 voidpf opaque, | |
39 voidpf stream, | |
40 void* buf, | |
41 uLong size)); | |
42 | |
43 uLong ZCALLBACK fwrite_file_func OF(( | |
44 voidpf opaque, | |
45 voidpf stream, | |
46 const void* buf, | |
47 uLong size)); | |
48 | |
49 long ZCALLBACK ftell_file_func OF(( | |
50 voidpf opaque, | |
51 voidpf stream)); | |
52 | |
53 long ZCALLBACK fseek_file_func OF(( | |
54 voidpf opaque, | |
55 voidpf stream, | |
56 uLong offset, | |
57 int origin)); | |
58 | |
59 int ZCALLBACK fclose_file_func OF(( | |
60 voidpf opaque, | |
61 voidpf stream)); | |
62 | |
63 int ZCALLBACK ferror_file_func OF(( | |
64 voidpf opaque, | |
65 voidpf stream)); | |
66 | |
67 | |
68 voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) | |
69 voidpf opaque; | |
70 const char* filename; | |
71 int mode; | |
72 { | |
73 FILE* file = NULL; | |
74 const char* mode_fopen = NULL; | |
75 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) | |
76 mode_fopen = "rb"; | |
77 else | |
78 if (mode & ZLIB_FILEFUNC_MODE_EXISTING) | |
79 mode_fopen = "r+b"; | |
80 else | |
81 if (mode & ZLIB_FILEFUNC_MODE_CREATE) | |
82 mode_fopen = "wb"; | |
83 | |
84 if ((filename!=NULL) && (mode_fopen != NULL)) | |
85 file = fopen(filename, mode_fopen); | |
86 return file; | |
87 } | |
88 | |
89 | |
90 uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) | |
91 voidpf opaque; | |
92 voidpf stream; | |
93 void* buf; | |
94 uLong size; | |
95 { | |
96 uLong ret; | |
97 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); | |
98 return ret; | |
99 } | |
100 | |
101 | |
102 uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size) | |
103 voidpf opaque; | |
104 voidpf stream; | |
105 const void* buf; | |
106 uLong size; | |
107 { | |
108 uLong ret; | |
109 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); | |
110 return ret; | |
111 } | |
112 | |
113 long ZCALLBACK ftell_file_func (opaque, stream) | |
114 voidpf opaque; | |
115 voidpf stream; | |
116 { | |
117 long ret; | |
118 ret = ftell((FILE *)stream); | |
119 return ret; | |
120 } | |
121 | |
122 long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) | |
123 voidpf opaque; | |
124 voidpf stream; | |
125 uLong offset; | |
126 int origin; | |
127 { | |
128 int fseek_origin=0; | |
129 long ret; | |
130 switch (origin) | |
131 { | |
132 case ZLIB_FILEFUNC_SEEK_CUR : | |
133 fseek_origin = SEEK_CUR; | |
134 break; | |
135 case ZLIB_FILEFUNC_SEEK_END : | |
136 fseek_origin = SEEK_END; | |
137 break; | |
138 case ZLIB_FILEFUNC_SEEK_SET : | |
139 fseek_origin = SEEK_SET; | |
140 break; | |
141 default: return -1; | |
142 } | |
143 ret = 0; | |
144 fseek((FILE *)stream, offset, fseek_origin); | |
145 return ret; | |
146 } | |
147 | |
148 int ZCALLBACK fclose_file_func (opaque, stream) | |
149 voidpf opaque; | |
150 voidpf stream; | |
151 { | |
152 int ret; | |
153 ret = fclose((FILE *)stream); | |
154 return ret; | |
155 } | |
156 | |
157 int ZCALLBACK ferror_file_func (opaque, stream) | |
158 voidpf opaque; | |
159 voidpf stream; | |
160 { | |
161 int ret; | |
162 ret = ferror((FILE *)stream); | |
163 return ret; | |
164 } | |
165 | |
166 void fill_fopen_filefunc (pzlib_filefunc_def) | |
167 zlib_filefunc_def* pzlib_filefunc_def; | |
168 { | |
169 pzlib_filefunc_def->zopen_file = fopen_file_func; | |
170 pzlib_filefunc_def->zread_file = fread_file_func; | |
171 pzlib_filefunc_def->zwrite_file = fwrite_file_func; | |
172 pzlib_filefunc_def->ztell_file = ftell_file_func; | |
173 pzlib_filefunc_def->zseek_file = fseek_file_func; | |
174 pzlib_filefunc_def->zclose_file = fclose_file_func; | |
175 pzlib_filefunc_def->zerror_file = ferror_file_func; | |
176 pzlib_filefunc_def->opaque = NULL; | |
177 } |