ReactOS 0.4.15-dev-8093-g3285f69
ioapi.c File Reference
#include "ioapi.h"
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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}
#define NULL
Definition: types.h:112
GLenum mode
Definition: glext.h:6217
const char * filename
Definition: ioapi.h:137
zlib_filefunc64_def zfile_func64
Definition: ioapi.h:182
open_file_func zopen32_file
Definition: ioapi.h:183
open64_file_func zopen64_file
Definition: ioapi.h:166

◆ 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}
unsigned long uLong
Definition: zlib.h:39
GLintptr offset
Definition: glext.h:5920
voidpf uLong int origin
Definition: ioapi.h:144
seek_file_func zseek32_file
Definition: ioapi.h:185
seek64_file_func zseek64_file
Definition: ioapi.h:170

◆ 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 = (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}
#define MAXU32
Definition: ioapi.h:106
unsigned long long int ZPOS64_T
Definition: ioapi.h:99
tell_file_func ztell32_file
Definition: ioapi.h:184
tell64_file_func ztell64_file
Definition: ioapi.h:169

◆ fclose_file_func()

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

Definition at line 219 of file ioapi.c.

220{
221 int ret;
222 (void)opaque;
223 ret = fclose((FILE *)stream);
224 return ret;
225}
_Check_return_opt_ _CRTIMP int __cdecl fclose(_Inout_ FILE *_File)
Definition: parse.h:23
int ret

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 227 of file ioapi.c.

228{
229 int ret;
230 (void)opaque;
231 ret = ferror((FILE *)stream);
232 return ret;
233}
_Check_return_ _CRTIMP int __cdecl ferror(_In_ FILE *_File)

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 248 of file ioapi.c.

249{
250 pzlib_filefunc_def->zopen64_file = fopen64_file_func;
251 pzlib_filefunc_def->zread_file = fread_file_func;
252 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
253 pzlib_filefunc_def->ztell64_file = ftell64_file_func;
254 pzlib_filefunc_def->zseek64_file = fseek64_file_func;
255 pzlib_filefunc_def->zclose_file = fclose_file_func;
256 pzlib_filefunc_def->zerror_file = ferror_file_func;
257 pzlib_filefunc_def->opaque = NULL;
258}
static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:160
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)
Definition: ioapi.c:192
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:227
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uLong size)
Definition: ioapi.c:143
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode)
Definition: ioapi.c:115
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void *buf, uLong size)
Definition: ioapi.c:135
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:219
write_file_func zwrite_file
Definition: ioapi.h:168
read_file_func zread_file
Definition: ioapi.h:167
close_file_func zclose_file
Definition: ioapi.h:171
testerror_file_func zerror_file
Definition: ioapi.h:172

Referenced by unzOpenInternal(), and zipOpen3().

◆ fill_fopen_filefunc()

void fill_fopen_filefunc ( zlib_filefunc_def pzlib_filefunc_def)

Definition at line 235 of file ioapi.c.

237{
238 pzlib_filefunc_def->zopen_file = fopen_file_func;
239 pzlib_filefunc_def->zread_file = fread_file_func;
240 pzlib_filefunc_def->zwrite_file = fwrite_file_func;
241 pzlib_filefunc_def->ztell_file = ftell_file_func;
242 pzlib_filefunc_def->zseek_file = fseek_file_func;
243 pzlib_filefunc_def->zclose_file = fclose_file_func;
244 pzlib_filefunc_def->zerror_file = ferror_file_func;
245 pzlib_filefunc_def->opaque = NULL;
246}
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin)
Definition: ioapi.c:168
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode)
Definition: ioapi.c:96
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream)
Definition: ioapi.c:151
seek_file_func zseek_file
Definition: ioapi.h:154
open_file_func zopen_file
Definition: ioapi.h:150
testerror_file_func zerror_file
Definition: ioapi.h:156
write_file_func zwrite_file
Definition: ioapi.h:152
read_file_func zread_file
Definition: ioapi.h:151
close_file_func zclose_file
Definition: ioapi.h:155
tell_file_func ztell_file
Definition: ioapi.h:153

◆ 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}

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 115 of file ioapi.c.

116{
117 FILE* file = NULL;
118 const char* mode_fopen = NULL;
119 (void)opaque;
121 mode_fopen = "rb";
122 else
124 mode_fopen = "r+b";
125 else
127 mode_fopen = "wb";
128
129 if ((filename!=NULL) && (mode_fopen != NULL))
130 file = FOPEN_FUNC((const char*)filename, mode_fopen);
131 return file;
132}
#define FOPEN_FUNC(filename, mode)
Definition: ioapi.c:23
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER
Definition: ioapi.h:120
#define ZLIB_FILEFUNC_MODE_EXISTING
Definition: ioapi.h:122
#define ZLIB_FILEFUNC_MODE_CREATE
Definition: ioapi.h:123
#define ZLIB_FILEFUNC_MODE_READ
Definition: ioapi.h:118
Definition: fci.c:127

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;
100 (void)opaque;
102 mode_fopen = "rb";
103 else
105 mode_fopen = "r+b";
106 else
108 mode_fopen = "wb";
109
110 if ((filename!=NULL) && (mode_fopen != NULL))
111 file = fopen(filename, mode_fopen);
112 return file;
113}
_Check_return_ _CRTIMP FILE *__cdecl fopen(_In_z_ const char *_Filename, _In_z_ const char *_Mode)

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 135 of file ioapi.c.

136{
137 uLong ret;
138 (void)opaque;
139 ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
140 return ret;
141}
GLsizeiptr size
Definition: glext.h:5919
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)

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 192 of file ioapi.c.

193{
194 int fseek_origin=0;
195 long ret;
196 (void)opaque;
197 switch (origin)
198 {
200 fseek_origin = SEEK_CUR;
201 break;
203 fseek_origin = SEEK_END;
204 break;
206 fseek_origin = SEEK_SET;
207 break;
208 default: return -1;
209 }
210 ret = 0;
211
212 if(FSEEKO_FUNC((FILE *)stream, (z_off_t)offset, fseek_origin) != 0)
213 ret = -1;
214
215 return ret;
216}
#define SEEK_END
Definition: cabinet.c:29
#define FSEEKO_FUNC(stream, offset, origin)
Definition: ioapi.c:25
#define ZLIB_FILEFUNC_SEEK_CUR
Definition: ioapi.h:114
#define ZLIB_FILEFUNC_SEEK_SET
Definition: ioapi.h:116
#define ZLIB_FILEFUNC_SEEK_END
Definition: ioapi.h:115
#define SEEK_SET
Definition: jmemansi.c:26
#define SEEK_CUR
Definition: util.h:63
#define z_off_t
Definition: zconf.h:517

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 168 of file ioapi.c.

169{
170 int fseek_origin=0;
171 long ret;
172 (void)opaque;
173 switch (origin)
174 {
176 fseek_origin = SEEK_CUR;
177 break;
179 fseek_origin = SEEK_END;
180 break;
182 fseek_origin = SEEK_SET;
183 break;
184 default: return -1;
185 }
186 ret = 0;
187 if (fseek((FILE *)stream, (long)offset, fseek_origin) != 0)
188 ret = -1;
189 return ret;
190}
_Check_return_opt_ _CRTIMP int __cdecl fseek(_Inout_ FILE *_File, _In_ long _Offset, _In_ int _Origin)

Referenced by fill_fopen_filefunc().

◆ ftell64_file_func()

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

Definition at line 160 of file ioapi.c.

161{
163 (void)opaque;
165 return ret;
166}
#define FTELLO_FUNC(stream)
Definition: ioapi.c:24

Referenced by fill_fopen64_filefunc().

◆ ftell_file_func()

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

Definition at line 151 of file ioapi.c.

152{
153 long ret;
154 (void)opaque;
155 ret = ftell((FILE *)stream);
156 return ret;
157}
_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 143 of file ioapi.c.

144{
145 uLong ret;
146 (void)opaque;
147 ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
148 return ret;
149}
_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)

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 ZPOS64_T ZCALLBACK ftell64_file_func OF ( (voidpf opaque, voidpf stream )
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 uLong ZCALLBACK fread_file_func OF ( (voidpf opaque, voidpf stream, void *buf, uLong size )
static

◆ OF() [5/5]