ReactOS  0.4.14-dev-49-gfb4591c
ioapi.c File Reference
#include "ioapi.h"
Include dependency graph for ioapi.c:

Go to the source code of this file.

Macros

#define FOPEN_FUNC(filename, mode)   fopen64(filename, mode)
 
#define FTELLO_FUNC(stream)   ftello64(stream)
 
#define FSEEKO_FUNC(stream, offset, origin)   fseeko64(stream, offset, origin)
 

Functions

voidpf call_zopen64 (const zlib_filefunc64_32_def *pfilefunc, const void *filename, int mode)
 
long call_zseek64 (const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, ZPOS64_T offset, int origin)
 
ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def *pfilefunc, voidpf filestream)
 
void fill_zlib_filefunc64_32_def_from_filefunc32 (zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32)
 
static voidpf ZCALLBACK fopen_file_func OF ((voidpf opaque, const char *filename, int mode))
 
static uLong ZCALLBACK fread_file_func OF ((voidpf opaque, voidpf stream, void *buf, uLong size))
 
static uLong ZCALLBACK fwrite_file_func OF ((voidpf opaque, voidpf stream, const void *buf, uLong size))
 
static ZPOS64_T ZCALLBACK ftell64_file_func OF ((voidpf opaque, voidpf stream))
 
static long ZCALLBACK fseek64_file_func OF ((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin))
 
static voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char *filename, int mode)
 
static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void *filename, int mode)
 
static uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void *buf, uLong size)
 
static uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void *buf, uLong size)
 
static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
 
static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
 
static long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin)
 
static long ZCALLBACK fseek64_file_func (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
 
static int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream)
 
static int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream)
 
void fill_fopen_filefunc (zlib_filefunc_def *pzlib_filefunc_def)
 
void fill_fopen64_filefunc (zlib_filefunc64_def *pzlib_filefunc_def)
 

Macro Definition Documentation

◆ FOPEN_FUNC

#define FOPEN_FUNC (   filename,
  mode 
)    fopen64(filename, mode)

Definition at line 23 of file ioapi.c.

◆ FSEEKO_FUNC

#define FSEEKO_FUNC (   stream,
  offset,
  origin 
)    fseeko64(stream, offset, origin)

Definition at line 25 of file ioapi.c.

◆ FTELLO_FUNC

#define FTELLO_FUNC (   stream)    ftello64(stream)

Definition at line 24 of file ioapi.c.

Function Documentation

◆ call_zopen64()

voidpf call_zopen64 ( const zlib_filefunc64_32_def pfilefunc,
const void filename,
int  mode 
)

Definition at line 31 of file ioapi.c.

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 }
open_file_func zopen32_file
Definition: ioapi.h:181
const char * filename
Definition: ioapi.h:135
smooth NULL
Definition: ftsmooth.c:416
zlib_filefunc64_def zfile_func64
Definition: ioapi.h:180
GLenum mode
Definition: glext.h:6217
open64_file_func zopen64_file
Definition: ioapi.h:164

◆ call_zseek64()

long call_zseek64 ( const zlib_filefunc64_32_def pfilefunc,
voidpf  filestream,
ZPOS64_T  offset,
int  origin 
)

Definition at line 41 of file ioapi.c.

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 }
GLintptr offset
Definition: glext.h:5920
voidpf uLong int origin
Definition: ioapi.h:142
seek_file_func zseek32_file
Definition: ioapi.h:183
smooth NULL
Definition: ftsmooth.c:416
unsigned long uLong
Definition: zconf.h:394
zlib_filefunc64_def zfile_func64
Definition: ioapi.h:180
seek64_file_func zseek64_file
Definition: ioapi.h:168

◆ call_ztell64()

ZPOS64_T call_ztell64 ( const zlib_filefunc64_32_def pfilefunc,
voidpf  filestream 
)

Definition at line 55 of file ioapi.c.

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 }
smooth NULL
Definition: ftsmooth.c:416
unsigned long uLong
Definition: zconf.h:394
zlib_filefunc64_def zfile_func64
Definition: ioapi.h:180
unsigned long long int ZPOS64_T
Definition: ioapi.h:100
tell_file_func ztell32_file
Definition: ioapi.h:182
#define MAXU32
Definition: ioapi.h:95
seek64_file_func zseek64_file
Definition: ioapi.h:168
tell64_file_func ztell64_file
Definition: ioapi.h:167

◆ fclose_file_func()

static int ZCALLBACK fclose_file_func ( voidpf  opaque,
voidpf  stream 
)
static

Definition at line 211 of file ioapi.c.

212 {
213  int ret;
214  ret = fclose((FILE *)stream);
215  return ret;
216 }
int ret
Definition: parse.h:22
_Check_return_opt_ _CRTIMP int __cdecl fclose(_Inout_ FILE *_File)

Referenced by fill_fopen64_filefunc(), and fill_fopen_filefunc().

◆ ferror_file_func()

static int ZCALLBACK ferror_file_func ( voidpf  opaque,
voidpf  stream 
)
static

Definition at line 218 of file ioapi.c.

219 {
220  int ret;
221  ret = ferror((FILE *)stream);
222  return ret;
223 }
_Check_return_ _CRTIMP int __cdecl ferror(_In_ FILE *_File)
int ret
Definition: parse.h:22

Referenced by fill_fopen64_filefunc(), and fill_fopen_filefunc().

◆ fill_fopen64_filefunc()

void fill_fopen64_filefunc ( zlib_filefunc64_def pzlib_filefunc_def)

Definition at line 238 of file ioapi.c.

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 }
testerror_file_func zerror_file
Definition: ioapi.h:170
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:211
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
Definition: ioapi.c:185
static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:155
write_file_func zwrite_file
Definition: ioapi.h:166
smooth NULL
Definition: ftsmooth.c:416
close_file_func zclose_file
Definition: ioapi.h:169
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:218
read_file_func zread_file
Definition: ioapi.h:165
open64_file_func zopen64_file
Definition: ioapi.h:164
seek64_file_func zseek64_file
Definition: ioapi.h:168
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode)
Definition: ioapi.c:114
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uLong size)
Definition: ioapi.c:140
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void *buf, uLong size)
Definition: ioapi.c:133
tell64_file_func ztell64_file
Definition: ioapi.h:167

Referenced by unzOpenInternal(), and zipOpen3().

◆ fill_fopen_filefunc()

void fill_fopen_filefunc ( zlib_filefunc_def pzlib_filefunc_def)

Definition at line 225 of file ioapi.c.

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 }
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:147
testerror_file_func zerror_file
Definition: ioapi.h:154
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:211
write_file_func zwrite_file
Definition: ioapi.h:150
smooth NULL
Definition: ftsmooth.c:416
read_file_func zread_file
Definition: ioapi.h:149
seek_file_func zseek_file
Definition: ioapi.h:152
tell_file_func ztell_file
Definition: ioapi.h:151
close_file_func zclose_file
Definition: ioapi.h:153
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:218
open_file_func zopen_file
Definition: ioapi.h:148
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode)
Definition: ioapi.c:96
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin)
Definition: ioapi.c:162
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uLong size)
Definition: ioapi.c:140
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void *buf, uLong size)
Definition: ioapi.c:133

◆ fill_zlib_filefunc64_32_def_from_filefunc32()

void fill_zlib_filefunc64_32_def_from_filefunc32 ( zlib_filefunc64_32_def p_filefunc64_32,
const zlib_filefunc_def p_filefunc32 
)

Definition at line 70 of file ioapi.c.

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 }
open_file_func zopen32_file
Definition: ioapi.h:181
testerror_file_func zerror_file
Definition: ioapi.h:170
testerror_file_func zerror_file
Definition: ioapi.h:154
write_file_func zwrite_file
Definition: ioapi.h:150
write_file_func zwrite_file
Definition: ioapi.h:166
seek_file_func zseek32_file
Definition: ioapi.h:183
smooth NULL
Definition: ftsmooth.c:416
close_file_func zclose_file
Definition: ioapi.h:169
read_file_func zread_file
Definition: ioapi.h:149
seek_file_func zseek_file
Definition: ioapi.h:152
zlib_filefunc64_def zfile_func64
Definition: ioapi.h:180
tell_file_func ztell_file
Definition: ioapi.h:151
close_file_func zclose_file
Definition: ioapi.h:153
tell_file_func ztell32_file
Definition: ioapi.h:182
open_file_func zopen_file
Definition: ioapi.h:148
read_file_func zread_file
Definition: ioapi.h:165
open64_file_func zopen64_file
Definition: ioapi.h:164
seek64_file_func zseek64_file
Definition: ioapi.h:168
tell64_file_func ztell64_file
Definition: ioapi.h:167

Referenced by unzOpen2(), and zipOpen2().

◆ fopen64_file_func()

static voidpf ZCALLBACK fopen64_file_func ( voidpf  opaque,
const void filename,
int  mode 
)
static

Definition at line 114 of file ioapi.c.

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 }
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER
Definition: ioapi.h:118
#define ZLIB_FILEFUNC_MODE_READ
Definition: ioapi.h:116
const char * filename
Definition: ioapi.h:135
smooth NULL
Definition: ftsmooth.c:416
const char file[]
Definition: icontest.c:11
#define ZLIB_FILEFUNC_MODE_CREATE
Definition: ioapi.h:121
#define ZLIB_FILEFUNC_MODE_EXISTING
Definition: ioapi.h:120
GLenum mode
Definition: glext.h:6217
#define FOPEN_FUNC(filename, mode)
Definition: ioapi.c:23
Definition: fci.c:126

Referenced by fill_fopen64_filefunc().

◆ fopen_file_func()

static voidpf ZCALLBACK fopen_file_func ( voidpf  opaque,
const char filename,
int  mode 
)
static

Definition at line 96 of file ioapi.c.

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 }
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER
Definition: ioapi.h:118
#define ZLIB_FILEFUNC_MODE_READ
Definition: ioapi.h:116
const char * filename
Definition: ioapi.h:135
smooth NULL
Definition: ftsmooth.c:416
const char file[]
Definition: icontest.c:11
#define ZLIB_FILEFUNC_MODE_CREATE
Definition: ioapi.h:121
#define ZLIB_FILEFUNC_MODE_EXISTING
Definition: ioapi.h:120
_Check_return_ _CRTIMP FILE *__cdecl fopen(_In_z_ const char *_Filename, _In_z_ const char *_Mode)
GLenum mode
Definition: glext.h:6217
Definition: fci.c:126

Referenced by fill_fopen_filefunc().

◆ fread_file_func()

static uLong ZCALLBACK fread_file_func ( voidpf  opaque,
voidpf  stream,
void buf,
uLong  size 
)
static

Definition at line 133 of file ioapi.c.

134 {
135  uLong ret;
136  ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
137  return ret;
138 }
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
_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)
unsigned long uLong
Definition: zconf.h:394
GLsizeiptr size
Definition: glext.h:5919
int ret
Definition: parse.h:22

Referenced by fill_fopen64_filefunc(), and fill_fopen_filefunc().

◆ fseek64_file_func()

static long ZCALLBACK fseek64_file_func ( voidpf  opaque,
voidpf  stream,
ZPOS64_T  offset,
int  origin 
)
static

Definition at line 185 of file ioapi.c.

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 }
#define SEEK_CUR
Definition: util.h:63
GLintptr offset
Definition: glext.h:5920
voidpf uLong int origin
Definition: ioapi.h:142
#define ZLIB_FILEFUNC_SEEK_CUR
Definition: ioapi.h:112
#define SEEK_SET
Definition: jmemansi.c:26
int ret
Definition: parse.h:22
#define ZLIB_FILEFUNC_SEEK_END
Definition: ioapi.h:113
#define FSEEKO_FUNC(stream, offset, origin)
Definition: ioapi.c:25
#define SEEK_END
Definition: cabinet.c:27
#define ZLIB_FILEFUNC_SEEK_SET
Definition: ioapi.h:114

Referenced by fill_fopen64_filefunc().

◆ fseek_file_func()

static long ZCALLBACK fseek_file_func ( voidpf  opaque,
voidpf  stream,
uLong  offset,
int  origin 
)
static

Definition at line 162 of file ioapi.c.

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 }
#define SEEK_CUR
Definition: util.h:63
GLintptr offset
Definition: glext.h:5920
voidpf uLong int origin
Definition: ioapi.h:142
#define ZLIB_FILEFUNC_SEEK_CUR
Definition: ioapi.h:112
_Check_return_opt_ _CRTIMP int __cdecl fseek(_Inout_ FILE *_File, _In_ long _Offset, _In_ int _Origin)
#define SEEK_SET
Definition: jmemansi.c:26
int ret
Definition: parse.h:22
#define ZLIB_FILEFUNC_SEEK_END
Definition: ioapi.h:113
#define SEEK_END
Definition: cabinet.c:27
#define ZLIB_FILEFUNC_SEEK_SET
Definition: ioapi.h:114

Referenced by fill_fopen_filefunc().

◆ ftell64_file_func()

static ZPOS64_T ZCALLBACK ftell64_file_func ( voidpf  opaque,
voidpf  stream 
)
static

Definition at line 155 of file ioapi.c.

156 {
157  ZPOS64_T ret;
158  ret = FTELLO_FUNC((FILE *)stream);
159  return ret;
160 }
unsigned long long int ZPOS64_T
Definition: ioapi.h:100
#define FTELLO_FUNC(stream)
Definition: ioapi.c:24
int ret
Definition: parse.h:22

Referenced by fill_fopen64_filefunc().

◆ ftell_file_func()

static long ZCALLBACK ftell_file_func ( voidpf  opaque,
voidpf  stream 
)
static

Definition at line 147 of file ioapi.c.

148 {
149  long ret;
150  ret = ftell((FILE *)stream);
151  return ret;
152 }
int ret
Definition: parse.h:22
_Check_return_ _CRTIMP long __cdecl ftell(_Inout_ FILE *_File)

Referenced by fill_fopen_filefunc().

◆ fwrite_file_func()

static uLong ZCALLBACK fwrite_file_func ( voidpf  opaque,
voidpf  stream,
const void buf,
uLong  size 
)
static

Definition at line 140 of file ioapi.c.

141 {
142  uLong ret;
143  ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
144  return ret;
145 }
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
_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)
unsigned long uLong
Definition: zconf.h:394
GLsizeiptr size
Definition: glext.h:5919
int ret
Definition: parse.h:22

Referenced by fill_fopen64_filefunc(), and fill_fopen_filefunc().

◆ OF() [1/5]

static voidpf ZCALLBACK fopen_file_func OF ( (voidpf opaque, const char *filename, int mode )
static

◆ OF() [2/5]

static uLong ZCALLBACK fread_file_func OF ( (voidpf opaque, voidpf stream, void *buf, uLong size )
static

◆ OF() [3/5]

static uLong ZCALLBACK fwrite_file_func OF ( (voidpf opaque, voidpf stream, const void *buf, uLong size )
static

◆ OF() [4/5]

static ZPOS64_T ZCALLBACK ftell64_file_func OF ( (voidpf opaque, voidpf stream )
static

◆ OF() [5/5]