sdk-world v2026.11.05
PS2 SDK - world tier (copyleft-allowed, non-essential packages)
Loading...
Searching...
No Matches
ioapi.c
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) && (!(defined(_CRT_SECURE_NO_WARNINGS)))
14 #define _CRT_SECURE_NO_WARNINGS
15#endif
16
17#if defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
18// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
19#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
20#define FTELLO_FUNC(stream) ftello(stream)
21#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
22#else
23#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
24#define FTELLO_FUNC(stream) ftello64(stream)
25#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
26#endif
27
28
29#include "ioapi.h"
30
31voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc, const void*filename, int mode) {
32 if (pfilefunc->zfile_func64.zopen64_file != NULL)
33 return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
34 else
35 {
36 return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode);
37 }
38}
39
40long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) {
41 if (pfilefunc->zfile_func64.zseek64_file != NULL)
42 return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
43 else
44 {
45 uLong offsetTruncated = (uLong)offset;
46 if (offsetTruncated != offset)
47 return -1;
48 else
49 return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
50 }
51}
52
53ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc, voidpf filestream) {
54 if (pfilefunc->zfile_func64.zseek64_file != NULL)
55 return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
56 else
57 {
58 uLong tell_uLong = (uLong)(*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
59 if ((tell_uLong) == MAXU32)
60 return (ZPOS64_T)-1;
61 else
62 return tell_uLong;
63 }
64}
65
66void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32, const zlib_filefunc_def* p_filefunc32) {
67 p_filefunc64_32->zfile_func64.zopen64_file = NULL;
68 p_filefunc64_32->zopen32_file = p_filefunc32->zopen_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(voidpf opaque, const char* filename, int mode) {
83 FILE* file = NULL;
84 const char* mode_fopen = NULL;
85 (void)opaque;
86 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
87 mode_fopen = "rb";
88 else
89 if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
90 mode_fopen = "r+b";
91 else
92 if (mode & ZLIB_FILEFUNC_MODE_CREATE)
93 mode_fopen = "wb";
94
95 if ((filename!=NULL) && (mode_fopen != NULL))
96 file = fopen(filename, mode_fopen);
97 return file;
98}
99
100static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void* filename, int mode) {
101 FILE* file = NULL;
102 const char* mode_fopen = NULL;
103 (void)opaque;
104 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
105 mode_fopen = "rb";
106 else
107 if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
108 mode_fopen = "r+b";
109 else
110 if (mode & ZLIB_FILEFUNC_MODE_CREATE)
111 mode_fopen = "wb";
112
113 if ((filename!=NULL) && (mode_fopen != NULL))
114 file = FOPEN_FUNC((const char*)filename, mode_fopen);
115 return file;
116}
117
118
119static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uLong size) {
120 uLong ret;
121 (void)opaque;
122 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
123 return ret;
124}
125
126static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) {
127 uLong ret;
128 (void)opaque;
129 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
130 return ret;
131}
132
133static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) {
134 long ret;
135 (void)opaque;
136 ret = ftell((FILE *)stream);
137 return ret;
138}
139
140
141static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) {
142 ZPOS64_T ret;
143 (void)opaque;
144 ret = (ZPOS64_T)FTELLO_FUNC((FILE *)stream);
145 return ret;
146}
147
148static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) {
149 int fseek_origin=0;
150 long ret;
151 (void)opaque;
152 switch (origin)
153 {
154 case ZLIB_FILEFUNC_SEEK_CUR :
155 fseek_origin = SEEK_CUR;
156 break;
157 case ZLIB_FILEFUNC_SEEK_END :
158 fseek_origin = SEEK_END;
159 break;
160 case ZLIB_FILEFUNC_SEEK_SET :
161 fseek_origin = SEEK_SET;
162 break;
163 default: return -1;
164 }
165 ret = 0;
166 if (fseek((FILE *)stream, (long)offset, fseek_origin) != 0)
167 ret = -1;
168 return ret;
169}
170
171static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) {
172 int fseek_origin=0;
173 long ret;
174 (void)opaque;
175 switch (origin)
176 {
177 case ZLIB_FILEFUNC_SEEK_CUR :
178 fseek_origin = SEEK_CUR;
179 break;
180 case ZLIB_FILEFUNC_SEEK_END :
181 fseek_origin = SEEK_END;
182 break;
183 case ZLIB_FILEFUNC_SEEK_SET :
184 fseek_origin = SEEK_SET;
185 break;
186 default: return -1;
187 }
188 ret = 0;
189
190 if(FSEEKO_FUNC((FILE *)stream, (z_off64_t)offset, fseek_origin) != 0)
191 ret = -1;
192
193 return ret;
194}
195
196
197static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) {
198 int ret;
199 (void)opaque;
200 ret = fclose((FILE *)stream);
201 return ret;
202}
203
204static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) {
205 int ret;
206 (void)opaque;
207 ret = ferror((FILE *)stream);
208 return ret;
209}
210
211void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def) {
212 pzlib_filefunc_def->zopen_file = fopen_file_func;
213 pzlib_filefunc_def->zread_file = fread_file_func;
214 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
215 pzlib_filefunc_def->ztell_file = ftell_file_func;
216 pzlib_filefunc_def->zseek_file = fseek_file_func;
217 pzlib_filefunc_def->zclose_file = fclose_file_func;
218 pzlib_filefunc_def->zerror_file = ferror_file_func;
219 pzlib_filefunc_def->opaque = NULL;
220}
221
222void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def) {
223 pzlib_filefunc_def->zopen64_file = fopen64_file_func;
224 pzlib_filefunc_def->zread_file = fread_file_func;
225 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
226 pzlib_filefunc_def->ztell64_file = ftell64_file_func;
227 pzlib_filefunc_def->zseek64_file = fseek64_file_func;
228 pzlib_filefunc_def->zclose_file = fclose_file_func;
229 pzlib_filefunc_def->zerror_file = ferror_file_func;
230 pzlib_filefunc_def->opaque = NULL;
231}