ReactOS  0.4.14-dev-49-gfb4591c
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) && (!(defined(_CRT_SECURE_NO_WARNINGS)))
14  #define _CRT_SECURE_NO_WARNINGS
15 #endif
16 
17 #if defined(__APPLE__) || defined(IOAPI_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 
31 voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
32 {
33  if (pfilefunc->zfile_func64.zopen64_file != NULL)
34  return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
35  else
36  {
37  return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode);
38  }
39 }
40 
41 long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin)
42 {
43  if (pfilefunc->zfile_func64.zseek64_file != NULL)
44  return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
45  else
46  {
47  uLong offsetTruncated = (uLong)offset;
48  if (offsetTruncated != offset)
49  return -1;
50  else
51  return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
52  }
53 }
54 
55 ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream)
56 {
57  if (pfilefunc->zfile_func64.zseek64_file != NULL)
58  return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
59  else
60  {
61  uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
62  if ((tell_uLong) == MAXU32)
63  return (ZPOS64_T)-1;
64  else
65  return tell_uLong;
66  }
67 }
68 
69 #ifndef __REACTOS__
71 {
72  p_filefunc64_32->zfile_func64.zopen64_file = NULL;
73  p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
74  p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
75  p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
76  p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
77  p_filefunc64_32->zfile_func64.ztell64_file = NULL;
78  p_filefunc64_32->zfile_func64.zseek64_file = NULL;
79  p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
80  p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
81  p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
82  p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
83  p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
84 }
85 
86 
87 
88 static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char* filename, int mode));
89 static uLong ZCALLBACK fread_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
90 static uLong ZCALLBACK fwrite_file_func OF((voidpf opaque, voidpf stream, const void* buf,uLong size));
93 static int ZCALLBACK fclose_file_func OF((voidpf opaque, voidpf stream));
94 static int ZCALLBACK ferror_file_func OF((voidpf opaque, voidpf stream));
95 
96 static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
97 {
98  FILE* file = NULL;
99  const char* mode_fopen = NULL;
101  mode_fopen = "rb";
102  else
104  mode_fopen = "r+b";
105  else
107  mode_fopen = "wb";
108 
109  if ((filename!=NULL) && (mode_fopen != NULL))
110  file = fopen(filename, mode_fopen);
111  return file;
112 }
113 
114 static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename, int mode)
115 {
116  FILE* file = NULL;
117  const char* mode_fopen = NULL;
119  mode_fopen = "rb";
120  else
122  mode_fopen = "r+b";
123  else
125  mode_fopen = "wb";
126 
127  if ((filename!=NULL) && (mode_fopen != NULL))
128  file = FOPEN_FUNC((const char*)filename, mode_fopen);
129  return file;
130 }
131 
132 
134 {
135  uLong ret;
136  ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
137  return ret;
138 }
139 
141 {
142  uLong ret;
143  ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
144  return ret;
145 }
146 
148 {
149  long ret;
150  ret = ftell((FILE *)stream);
151  return ret;
152 }
153 
154 
156 {
157  ZPOS64_T ret;
158  ret = FTELLO_FUNC((FILE *)stream);
159  return ret;
160 }
161 
163 {
164  int fseek_origin=0;
165  long ret;
166  switch (origin)
167  {
169  fseek_origin = SEEK_CUR;
170  break;
172  fseek_origin = SEEK_END;
173  break;
175  fseek_origin = SEEK_SET;
176  break;
177  default: return -1;
178  }
179  ret = 0;
180  if (fseek((FILE *)stream, offset, fseek_origin) != 0)
181  ret = -1;
182  return ret;
183 }
184 
186 {
187  int fseek_origin=0;
188  long ret;
189  switch (origin)
190  {
192  fseek_origin = SEEK_CUR;
193  break;
195  fseek_origin = SEEK_END;
196  break;
198  fseek_origin = SEEK_SET;
199  break;
200  default: return -1;
201  }
202  ret = 0;
203 
204  if(FSEEKO_FUNC((FILE *)stream, offset, fseek_origin) != 0)
205  ret = -1;
206 
207  return ret;
208 }
209 
210 
212 {
213  int ret;
214  ret = fclose((FILE *)stream);
215  return ret;
216 }
217 
219 {
220  int ret;
221  ret = ferror((FILE *)stream);
222  return ret;
223 }
224 
225 void fill_fopen_filefunc (pzlib_filefunc_def)
226  zlib_filefunc_def* pzlib_filefunc_def;
227 {
228  pzlib_filefunc_def->zopen_file = fopen_file_func;
229  pzlib_filefunc_def->zread_file = fread_file_func;
230  pzlib_filefunc_def->zwrite_file = fwrite_file_func;
231  pzlib_filefunc_def->ztell_file = ftell_file_func;
232  pzlib_filefunc_def->zseek_file = fseek_file_func;
233  pzlib_filefunc_def->zclose_file = fclose_file_func;
234  pzlib_filefunc_def->zerror_file = ferror_file_func;
235  pzlib_filefunc_def->opaque = NULL;
236 }
237 
238 void fill_fopen64_filefunc (zlib_filefunc64_def* pzlib_filefunc_def)
239 {
240  pzlib_filefunc_def->zopen64_file = fopen64_file_func;
241  pzlib_filefunc_def->zread_file = fread_file_func;
242  pzlib_filefunc_def->zwrite_file = fwrite_file_func;
243  pzlib_filefunc_def->ztell64_file = ftell64_file_func;
244  pzlib_filefunc_def->zseek64_file = fseek64_file_func;
245  pzlib_filefunc_def->zclose_file = fclose_file_func;
246  pzlib_filefunc_def->zerror_file = ferror_file_func;
247  pzlib_filefunc_def->opaque = NULL;
248 }
249 
250 #endif
open_file_func zopen32_file
Definition: ioapi.h:181
#define SEEK_CUR
Definition: util.h:63
_Check_return_ _CRTIMP int __cdecl ferror(_In_ FILE *_File)
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:147
testerror_file_func zerror_file
Definition: ioapi.h:170
static voidpf ZCALLBACK fopen_file_func OF((voidpf opaque, const char *filename, int mode))
testerror_file_func zerror_file
Definition: ioapi.h:154
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
ZPOS64_T call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream)
Definition: ioapi.c:55
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:211
GLintptr offset
Definition: glext.h:5920
write_file_func zwrite_file
Definition: ioapi.h:150
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER
Definition: ioapi.h:118
voidpf uLong int origin
Definition: ioapi.h:142
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
Definition: ioapi.c:185
#define ZCALLBACK
Definition: ioapi.h:128
#define ZLIB_FILEFUNC_MODE_READ
Definition: ioapi.h:116
_Check_return_opt_ _CRTIMP size_t __cdecl fwrite(_In_reads_bytes_(_Size *_Count) const void *_Str, _In_ size_t _Size, _In_ size_t _Count, _Inout_ FILE *_File)
const char * filename
Definition: ioapi.h:135
_Check_return_opt_ _CRTIMP size_t __cdecl fread(_Out_writes_bytes_(_ElementSize *_Count) void *_DstBuf, _In_ size_t _ElementSize, _In_ size_t _Count, _Inout_ FILE *_File)
static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:155
write_file_func zwrite_file
Definition: ioapi.h:166
seek_file_func zseek32_file
Definition: ioapi.h:183
#define ZLIB_FILEFUNC_SEEK_CUR
Definition: ioapi.h:112
smooth NULL
Definition: ftsmooth.c:416
_Check_return_opt_ _CRTIMP int __cdecl fseek(_Inout_ FILE *_File, _In_ long _Offset, _In_ int _Origin)
close_file_func zclose_file
Definition: ioapi.h:169
read_file_func zread_file
Definition: ioapi.h:149
unsigned long uLong
Definition: zconf.h:394
#define SEEK_SET
Definition: jmemansi.c:26
seek_file_func zseek_file
Definition: ioapi.h:152
GLsizeiptr size
Definition: glext.h:5919
const char file[]
Definition: icontest.c:11
zlib_filefunc64_def zfile_func64
Definition: ioapi.h:180
#define ZLIB_FILEFUNC_MODE_CREATE
Definition: ioapi.h:121
unsigned long long int ZPOS64_T
Definition: ioapi.h:100
#define FTELLO_FUNC(stream)
Definition: ioapi.c:24
tell_file_func ztell_file
Definition: ioapi.h:151
void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def)
Definition: ioapi.c:238
#define ZLIB_FILEFUNC_MODE_EXISTING
Definition: ioapi.h:120
int ret
Definition: parse.h:22
close_file_func zclose_file
Definition: ioapi.h:153
_Check_return_opt_ _CRTIMP int __cdecl fclose(_Inout_ FILE *_File)
_Check_return_ _CRTIMP FILE *__cdecl fopen(_In_z_ const char *_Filename, _In_z_ const char *_Mode)
tell_file_func ztell32_file
Definition: ioapi.h:182
GLenum mode
Definition: glext.h:6217
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:218
open_file_func zopen_file
Definition: ioapi.h:148
read_file_func zread_file
Definition: ioapi.h:165
Byte FAR * voidpf
Definition: zconf.h:413
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode)
Definition: ioapi.c:96
#define FOPEN_FUNC(filename, mode)
Definition: ioapi.c:23
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin)
Definition: ioapi.c:162
open64_file_func zopen64_file
Definition: ioapi.h:164
#define MAXU32
Definition: ioapi.h:95
#define ZLIB_FILEFUNC_SEEK_END
Definition: ioapi.h:113
#define FSEEKO_FUNC(stream, offset, origin)
Definition: ioapi.c:25
_Check_return_ _CRTIMP long __cdecl ftell(_Inout_ FILE *_File)
seek64_file_func zseek64_file
Definition: ioapi.h:168
#define SEEK_END
Definition: cabinet.c:27
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode)
Definition: ioapi.c:114
void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def)
Definition: ioapi.c:225
#define ZLIB_FILEFUNC_SEEK_SET
Definition: ioapi.h:114
voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc, const void *filename, int mode)
Definition: ioapi.c:31
long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, ZPOS64_T offset, int origin)
Definition: ioapi.c:41
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uLong size)
Definition: ioapi.c:140
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32)
Definition: ioapi.c:70
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void *buf, uLong size)
Definition: ioapi.c:133
Definition: fci.c:126
tell64_file_func ztell64_file
Definition: ioapi.h:167