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Launcher, based on PickleLauncher
[mupen64plus-pandora.git] / source / mupen64launcher / src / unzip / ioapi.c
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8b5037a6 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#include "ioapi.h"
18
19voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
20{
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}
28
29long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)
30{
31 if (pfilefunc->zfile_func64.zseek64_file != NULL)
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}
42
43ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)
44{
45 if (pfilefunc->zfile_func64.zseek64_file != NULL)
46 return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
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}
56
57void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32)
58{
59 p_filefunc64_32->zfile_func64.zopen64_file = NULL;
60 p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
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}
72
73
74
75static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode));
76static uLong ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
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));
82
83static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
84{
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";
95
96 if ((filename!=NULL) && (mode_fopen != NULL))
97 file = fopen(filename, mode_fopen);
98 return file;
99}
100
101static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode)
102{
103 FILE* file = NULL;
104 const char* mode_fopen = NULL;
105 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
106 mode_fopen = "rb";
107 else
108 if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
109 mode_fopen = "r+b";
110 else
111 if (mode & ZLIB_FILEFUNC_MODE_CREATE)
112 mode_fopen = "wb";
113
114 if ((filename!=NULL) && (mode_fopen != NULL))
115 file = fopen64((const char*)filename, mode_fopen);
116 return file;
117}
118
119
120static uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size)
121{
122 uLong ret;
123 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
124 return ret;
125}
126
127static uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size)
128{
129 uLong ret;
130 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
131 return ret;
132}
133
134static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
135{
136 long ret;
137 ret = ftell((FILE *)stream);
138 return ret;
139}
140
141
142static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
143{
144 ZPOS64_T ret;
145 ret = ftello64((FILE *)stream);
146 return ret;
147}
148
149static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin)
150{
151 int fseek_origin=0;
152 long ret;
153 switch (origin)
154 {
155 case ZLIB_FILEFUNC_SEEK_CUR :
156 fseek_origin = SEEK_CUR;
157 break;
158 case ZLIB_FILEFUNC_SEEK_END :
159 fseek_origin = SEEK_END;
160 break;
161 case ZLIB_FILEFUNC_SEEK_SET :
162 fseek_origin = SEEK_SET;
163 break;
164 default: return -1;
165 }
166 ret = 0;
167 if (fseek((FILE *)stream, offset, fseek_origin) != 0)
168 ret = -1;
169 return ret;
170}
171
172static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
173{
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)
199{
200 int ret;
201 ret = fclose((FILE *)stream);
202 return ret;
203}
204
205static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream)
206{
207 int ret;
208 ret = ferror((FILE *)stream);
209 return ret;
210}
211
212void fill_fopen_filefunc (pzlib_filefunc_def)
213 zlib_filefunc_def* pzlib_filefunc_def;
214{
215 pzlib_filefunc_def->zopen_file = fopen_file_func;
216 pzlib_filefunc_def->zread_file = fread_file_func;
217 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
218 pzlib_filefunc_def->ztell_file = ftell_file_func;
219 pzlib_filefunc_def->zseek_file = fseek_file_func;
220 pzlib_filefunc_def->zclose_file = fclose_file_func;
221 pzlib_filefunc_def->zerror_file = ferror_file_func;
222 pzlib_filefunc_def->opaque = NULL;
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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