/* ioapi.h -- IO base function header for compress/uncompress .zip
part of the MiniZip project - ( http : //www.winimage.com/zLibDll/minizip.html )
Copyright ( C ) 1998 - 2010 Gilles Vollant ( minizip ) ( http : //www.winimage.com/zLibDll/minizip.html )
Modifications for Zip64 support
Copyright ( C ) 2009 - 2010 Mathias Svensson ( http : //result42.com )
For more info read MiniZip_info . txt
*/
#if defined (_WIN32) && (!(defined (_CRT_SECURE_NO_WARNINGS)))
#define _CRT_SECURE_NO_WARNINGS
#endif
#if defined (__APPLE__) || defined (IOAPI_NO_64) || defined (__HAIKU__) || defined (MINIZIP_FOPEN_NO_64)
// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
#define FTELLO_FUNC(stream) ftello(stream)
#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
#else
#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
#define FTELLO_FUNC(stream) ftello64(stream)
#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
#endif
#include "ioapi.h"
voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc, const void *filename, int mode) {
if (pfilefunc->zfile_func64.zopen64_file != NULL)
return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,filename,mode);
else
{
return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char *)filename,mode);
}
}
long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) {
if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
else
{
uLong offsetTruncated = (uLong)offset;
if (offsetTruncated != offset)
return -1 ;
else
return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin);
}
}
ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc, voidpf filestream) {
if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream);
else
{
uLong tell_uLong = (uLong)(*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
if ((tell_uLong) == MAXU32)
return (ZPOS64_T)-1 ;
else
return tell_uLong;
}
}
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32, const zlib_filefunc_def* p_filefunc32) {
p_filefunc64_32->zfile_func64.zopen64_file = NULL;
p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
p_filefunc64_32->zfile_func64.ztell64_file = NULL;
p_filefunc64_32->zfile_func64.zseek64_file = NULL;
p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
}
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char * filename, int mode) {
FILE* file = NULL;
const char * mode_fopen = NULL;
(void )opaque;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb" ;
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b" ;
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb" ;
if ((filename!=NULL) && (mode_fopen != NULL))
file = fopen(filename, mode_fopen);
return file;
}
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void * filename, int mode) {
FILE* file = NULL;
const char * mode_fopen = NULL;
(void )opaque;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb" ;
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b" ;
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb" ;
if ((filename!=NULL) && (mode_fopen != NULL))
file = FOPEN_FUNC((const char *)filename, mode_fopen);
return file;
}
static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void * buf, uLong size) {
uLong ret;
(void )opaque;
ret = (uLong)fread(buf, 1 , (size_t)size, (FILE *)stream);
return ret;
}
static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void * buf, uLong size) {
uLong ret;
(void )opaque;
ret = (uLong)fwrite(buf, 1 , (size_t)size, (FILE *)stream);
return ret;
}
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) {
long ret;
(void )opaque;
ret = ftell((FILE *)stream);
return ret;
}
static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) {
ZPOS64_T ret;
(void )opaque;
ret = (ZPOS64_T)FTELLO_FUNC((FILE *)stream);
return ret;
}
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) {
int fseek_origin=0 ;
long ret;
(void )opaque;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
fseek_origin = SEEK_CUR;
break ;
case ZLIB_FILEFUNC_SEEK_END :
fseek_origin = SEEK_END;
break ;
case ZLIB_FILEFUNC_SEEK_SET :
fseek_origin = SEEK_SET;
break ;
default : return -1 ;
}
ret = 0 ;
if (fseek((FILE *)stream, (long )offset, fseek_origin) != 0 )
ret = -1 ;
return ret;
}
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) {
int fseek_origin=0 ;
long ret;
(void )opaque;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
fseek_origin = SEEK_CUR;
break ;
case ZLIB_FILEFUNC_SEEK_END :
fseek_origin = SEEK_END;
break ;
case ZLIB_FILEFUNC_SEEK_SET :
fseek_origin = SEEK_SET;
break ;
default : return -1 ;
}
ret = 0 ;
if (FSEEKO_FUNC((FILE *)stream, (z_off64_t)offset, fseek_origin) != 0 )
ret = -1 ;
return ret;
}
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) {
int ret;
(void )opaque;
ret = fclose((FILE *)stream);
return ret;
}
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) {
int ret;
(void )opaque;
ret = ferror((FILE *)stream);
return ret;
}
void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell_file = ftell_file_func;
pzlib_filefunc_def->zseek_file = fseek_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}
void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def) {
pzlib_filefunc_def->zopen64_file = fopen64_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell64_file = ftell64_file_func;
pzlib_filefunc_def->zseek64_file = fseek64_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}
Messung V0.5 in Prozent C=92 H=92 G=91
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-17)
¤
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