Oolite 1.91.0.7644-241112-7f5034b
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ioapi.c
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1/* ioapi.h -- IO base function header for compress/uncompress .zip
2 part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
3
4 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
5
6 Modifications for Zip64 support
7 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
8
9 For more info read MiniZip_info.txt
10
11*/
12
13#if (defined(_WIN32))
14 #define _CRT_SECURE_NO_WARNINGS
15#endif
16
17#if (defined(__APPLE__))
18 // I/O is always 64-bit on Darwin
19 #define fopen64 fopen
20 #define ftello64 ftello
21 #define fseeko64 fseeko
22#endif
23
24#include "ioapi.h"
25
26voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
27{
28 if (pfilefunc->zfile_func64.zopen64_file != NULL)
29 return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
30 else
31 {
32 return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode);
33 }
34}
35
36long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)
37{
38 if (pfilefunc->zfile_func64.zseek64_file != NULL)
39 return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
40 else
41 {
42 uLong offsetTruncated = (uLong)offset;
43 if (offsetTruncated != offset)
44 return -1;
45 else
46 return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
47 }
48}
49
51{
52 if (pfilefunc->zfile_func64.zseek64_file != NULL)
53 return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
54 else
55 {
56 uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
57 if ((tell_uLong) == ((uLong)-1))
58 return (ZPOS64_T)-1;
59 else
60 return tell_uLong;
61 }
62}
63
65{
66 p_filefunc64_32->zfile_func64.zopen64_file = NULL;
67 p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
68 p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
69 p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
70 p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
71 p_filefunc64_32->zfile_func64.ztell64_file = NULL;
72 p_filefunc64_32->zfile_func64.zseek64_file = NULL;
73 p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
74 p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
75 p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
76 p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
77 p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
78}
79
80
81
82static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode));
87static int ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream));
88static int ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream));
89
90static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
91{
92 FILE* file = NULL;
93 const char* mode_fopen = NULL;
95 mode_fopen = "rb";
96 else
98 mode_fopen = "r+b";
99 else
101 mode_fopen = "wb";
102
103 if ((filename!=NULL) && (mode_fopen != NULL))
104 file = fopen(filename, mode_fopen);
105 return file;
106}
107
108static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode)
109{
110 FILE* file = NULL;
111 const char* mode_fopen = NULL;
113 mode_fopen = "rb";
114 else
116 mode_fopen = "r+b";
117 else
119 mode_fopen = "wb";
120
121 if ((filename!=NULL) && (mode_fopen != NULL))
122 file = fopen64((const char*)filename, mode_fopen);
123 return file;
124}
125
126
128{
129 uLong ret;
130 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
131 return ret;
132}
133
135{
136 uLong ret;
137 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
138 return ret;
139}
140
142{
143 long ret;
144 ret = ftell((FILE *)stream);
145 return ret;
146}
147
148
150{
151 ZPOS64_T ret;
152 ret = ftello64((FILE *)stream);
153 return ret;
154}
155
157{
158 int fseek_origin=0;
159 long ret;
160 switch (origin)
161 {
163 fseek_origin = SEEK_CUR;
164 break;
166 fseek_origin = SEEK_END;
167 break;
169 fseek_origin = SEEK_SET;
170 break;
171 default: return -1;
172 }
173 ret = 0;
174 if (fseek((FILE *)stream, offset, fseek_origin) != 0)
175 ret = -1;
176 return ret;
177}
178
180{
181 int fseek_origin=0;
182 long ret;
183 switch (origin)
184 {
186 fseek_origin = SEEK_CUR;
187 break;
189 fseek_origin = SEEK_END;
190 break;
192 fseek_origin = SEEK_SET;
193 break;
194 default: return -1;
195 }
196 ret = 0;
197
198 if(fseeko64((FILE *)stream, offset, fseek_origin) != 0)
199 ret = -1;
200
201 return ret;
202}
203
204
206{
207 int ret;
208 ret = fclose((FILE *)stream);
209 return ret;
210}
211
213{
214 int ret;
215 ret = ferror((FILE *)stream);
216 return ret;
217}
218
219void fill_fopen_filefunc (pzlib_filefunc_def)
220 zlib_filefunc_def* pzlib_filefunc_def;
221{
222 pzlib_filefunc_def->zopen_file = fopen_file_func;
223 pzlib_filefunc_def->zread_file = fread_file_func;
224 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
225 pzlib_filefunc_def->ztell_file = ftell_file_func;
226 pzlib_filefunc_def->zseek_file = fseek_file_func;
227 pzlib_filefunc_def->zclose_file = fclose_file_func;
228 pzlib_filefunc_def->zerror_file = ferror_file_func;
229 pzlib_filefunc_def->opaque = NULL;
230}
231
233{
234 pzlib_filefunc_def->zopen64_file = fopen64_file_func;
235 pzlib_filefunc_def->zread_file = fread_file_func;
236 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
237 pzlib_filefunc_def->ztell64_file = ftell64_file_func;
238 pzlib_filefunc_def->zseek64_file = fseek64_file_func;
239 pzlib_filefunc_def->zclose_file = fclose_file_func;
240 pzlib_filefunc_def->zerror_file = ferror_file_func;
241 pzlib_filefunc_def->opaque = NULL;
242}
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin)
Definition ioapi.c:156
static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream)
Definition ioapi.c:149
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32)
Definition ioapi.c:64
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
Definition ioapi.c:179
static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char *filename, int mode))
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
Definition ioapi.c:212
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uLong size)
Definition ioapi.c:134
long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, ZPOS64_T offset, int origin)
Definition ioapi.c:36
void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def)
Definition ioapi.c:232
void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def)
Definition ioapi.c:219
voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc, const void *filename, int mode)
Definition ioapi.c:26
ZPOS64_T call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream)
Definition ioapi.c:50
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode)
Definition ioapi.c:108
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode)
Definition ioapi.c:90
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream)
Definition ioapi.c:141
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void *buf, uLong size)
Definition ioapi.c:127
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
Definition ioapi.c:205
voidpf void uLong size
Definition ioapi.h:134
const char * filename
Definition ioapi.h:133
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER
Definition ioapi.h:116
voidpf stream
Definition ioapi.h:134
voidpf uLong int origin
Definition ioapi.h:140
voidpf uLong offset
Definition ioapi.h:140
#define ZLIB_FILEFUNC_MODE_EXISTING
Definition ioapi.h:118
#define ZLIB_FILEFUNC_SEEK_CUR
Definition ioapi.h:110
const char int mode
Definition ioapi.h:133
voidpf void * buf
Definition ioapi.h:134
#define ZLIB_FILEFUNC_SEEK_SET
Definition ioapi.h:112
#define ZCALLBACK
Definition ioapi.h:126
#define ZLIB_FILEFUNC_MODE_CREATE
Definition ioapi.h:119
#define ZLIB_FILEFUNC_SEEK_END
Definition ioapi.h:111
#define ZLIB_FILEFUNC_MODE_READ
Definition ioapi.h:114
unsigned long long int ZPOS64_T
Definition ioapi.h:98
mz_ulong uLong
Definition miniz.h:447
void * voidpf
Definition miniz.h:452
seek_file_func zseek32_file
Definition ioapi.h:181
zlib_filefunc64_def zfile_func64
Definition ioapi.h:178
open_file_func zopen32_file
Definition ioapi.h:179
tell_file_func ztell32_file
Definition ioapi.h:180
write_file_func zwrite_file
Definition ioapi.h:164
open64_file_func zopen64_file
Definition ioapi.h:162
read_file_func zread_file
Definition ioapi.h:163
tell64_file_func ztell64_file
Definition ioapi.h:165
close_file_func zclose_file
Definition ioapi.h:167
seek64_file_func zseek64_file
Definition ioapi.h:166
testerror_file_func zerror_file
Definition ioapi.h:168
seek_file_func zseek_file
Definition ioapi.h:150
open_file_func zopen_file
Definition ioapi.h:146
testerror_file_func zerror_file
Definition ioapi.h:152
write_file_func zwrite_file
Definition ioapi.h:148
read_file_func zread_file
Definition ioapi.h:147
close_file_func zclose_file
Definition ioapi.h:151
tell_file_func ztell_file
Definition ioapi.h:149