389 lines
12 KiB
C
389 lines
12 KiB
C
/* iowin32.c -- IO base function header for compress/uncompress .zip
|
|
Version 1.1, February 14h, 2010
|
|
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
|
|
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "zlib.h"
|
|
#include "ioapi.h"
|
|
#include "iowin32.h"
|
|
|
|
#ifndef INVALID_HANDLE_VALUE
|
|
#define INVALID_HANDLE_VALUE (0xFFFFFFFF)
|
|
#endif
|
|
|
|
#ifndef INVALID_SET_FILE_POINTER
|
|
#define INVALID_SET_FILE_POINTER ((DWORD)-1)
|
|
#endif
|
|
|
|
voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
|
|
uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
|
|
uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
|
|
ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream));
|
|
long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
|
|
int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
|
|
int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
|
|
|
|
typedef struct
|
|
{
|
|
HANDLE hf;
|
|
int error;
|
|
} WIN32FILE_IOWIN;
|
|
|
|
|
|
static void win32_translate_open_mode(int mode,
|
|
DWORD* lpdwDesiredAccess,
|
|
DWORD* lpdwCreationDisposition,
|
|
DWORD* lpdwShareMode,
|
|
DWORD* lpdwFlagsAndAttributes)
|
|
{
|
|
*lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
|
|
|
|
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
|
|
{
|
|
*lpdwDesiredAccess = GENERIC_READ;
|
|
*lpdwCreationDisposition = OPEN_EXISTING;
|
|
*lpdwShareMode = FILE_SHARE_READ;
|
|
}
|
|
else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
|
|
{
|
|
*lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
|
|
*lpdwCreationDisposition = OPEN_EXISTING;
|
|
}
|
|
else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
|
|
{
|
|
*lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
|
|
*lpdwCreationDisposition = CREATE_ALWAYS;
|
|
}
|
|
}
|
|
|
|
static voidpf win32_build_iowin(HANDLE hFile)
|
|
{
|
|
voidpf ret=NULL;
|
|
|
|
if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
|
|
{
|
|
WIN32FILE_IOWIN w32fiow;
|
|
w32fiow.hf = hFile;
|
|
w32fiow.error = 0;
|
|
ret = malloc(sizeof(WIN32FILE_IOWIN));
|
|
|
|
if (ret==NULL)
|
|
CloseHandle(hFile);
|
|
else
|
|
*((WIN32FILE_IOWIN*)ret) = w32fiow;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
|
|
{
|
|
const char* mode_fopen = NULL;
|
|
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
|
|
HANDLE hFile = NULL;
|
|
|
|
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
|
|
|
|
if ((filename!=NULL) && (dwDesiredAccess != 0))
|
|
hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
|
|
|
|
return win32_build_iowin(hFile);
|
|
}
|
|
|
|
|
|
voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
|
|
{
|
|
const char* mode_fopen = NULL;
|
|
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
|
|
HANDLE hFile = NULL;
|
|
|
|
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
|
|
|
|
if ((filename!=NULL) && (dwDesiredAccess != 0))
|
|
hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
|
|
|
|
return win32_build_iowin(hFile);
|
|
}
|
|
|
|
|
|
voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
|
|
{
|
|
const char* mode_fopen = NULL;
|
|
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
|
|
HANDLE hFile = NULL;
|
|
|
|
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
|
|
|
|
if ((filename!=NULL) && (dwDesiredAccess != 0))
|
|
hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
|
|
|
|
return win32_build_iowin(hFile);
|
|
}
|
|
|
|
|
|
voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
|
|
{
|
|
const char* mode_fopen = NULL;
|
|
DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
|
|
HANDLE hFile = NULL;
|
|
|
|
win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
|
|
|
|
if ((filename!=NULL) && (dwDesiredAccess != 0))
|
|
hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
|
|
|
|
return win32_build_iowin(hFile);
|
|
}
|
|
|
|
|
|
uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
|
|
{
|
|
uLong ret=0;
|
|
HANDLE hFile = NULL;
|
|
if (stream!=NULL)
|
|
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
|
|
|
|
if (hFile != NULL)
|
|
{
|
|
if (!ReadFile(hFile, buf, size, &ret, NULL))
|
|
{
|
|
DWORD dwErr = GetLastError();
|
|
if (dwErr == ERROR_HANDLE_EOF)
|
|
dwErr = 0;
|
|
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
|
|
{
|
|
uLong ret=0;
|
|
HANDLE hFile = NULL;
|
|
if (stream!=NULL)
|
|
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
|
|
|
|
if (hFile != NULL)
|
|
{
|
|
if (!WriteFile(hFile, buf, size, &ret, NULL))
|
|
{
|
|
DWORD dwErr = GetLastError();
|
|
if (dwErr == ERROR_HANDLE_EOF)
|
|
dwErr = 0;
|
|
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
|
|
{
|
|
long ret=-1;
|
|
HANDLE hFile = NULL;
|
|
if (stream!=NULL)
|
|
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
|
|
if (hFile != NULL)
|
|
{
|
|
DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
|
|
if (dwSet == INVALID_SET_FILE_POINTER)
|
|
{
|
|
DWORD dwErr = GetLastError();
|
|
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
|
|
ret = -1;
|
|
}
|
|
else
|
|
ret=(long)dwSet;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
|
|
{
|
|
ZPOS64_T ret= (ZPOS64_T)-1;
|
|
HANDLE hFile = NULL;
|
|
if (stream!=NULL)
|
|
hFile = ((WIN32FILE_IOWIN*)stream)->hf;
|
|
|
|
if (hFile)
|
|
{
|
|
LARGE_INTEGER li;
|
|
li.QuadPart = 0;
|
|
li.u.LowPart = SetFilePointer(hFile, li.u.LowPart, &li.u.HighPart, FILE_CURRENT);
|
|
if ( (li.LowPart == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
|
|
{
|
|
DWORD dwErr = GetLastError();
|
|
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
|
|
ret = (ZPOS64_T)-1;
|
|
}
|
|
else
|
|
ret=li.QuadPart;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
|
|
{
|
|
DWORD dwMoveMethod=0xFFFFFFFF;
|
|
HANDLE hFile = NULL;
|
|
|
|
long ret=-1;
|
|
if (stream!=NULL)
|
|
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
|
|
switch (origin)
|
|
{
|
|
case ZLIB_FILEFUNC_SEEK_CUR :
|
|
dwMoveMethod = FILE_CURRENT;
|
|
break;
|
|
case ZLIB_FILEFUNC_SEEK_END :
|
|
dwMoveMethod = FILE_END;
|
|
break;
|
|
case ZLIB_FILEFUNC_SEEK_SET :
|
|
dwMoveMethod = FILE_BEGIN;
|
|
break;
|
|
default: return -1;
|
|
}
|
|
|
|
if (hFile != NULL)
|
|
{
|
|
DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod);
|
|
if (dwSet == INVALID_SET_FILE_POINTER)
|
|
{
|
|
DWORD dwErr = GetLastError();
|
|
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
|
|
ret = -1;
|
|
}
|
|
else
|
|
ret=0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
|
|
{
|
|
DWORD dwMoveMethod=0xFFFFFFFF;
|
|
HANDLE hFile = NULL;
|
|
long ret=-1;
|
|
|
|
if (stream!=NULL)
|
|
hFile = ((WIN32FILE_IOWIN*)stream)->hf;
|
|
|
|
switch (origin)
|
|
{
|
|
case ZLIB_FILEFUNC_SEEK_CUR :
|
|
dwMoveMethod = FILE_CURRENT;
|
|
break;
|
|
case ZLIB_FILEFUNC_SEEK_END :
|
|
dwMoveMethod = FILE_END;
|
|
break;
|
|
case ZLIB_FILEFUNC_SEEK_SET :
|
|
dwMoveMethod = FILE_BEGIN;
|
|
break;
|
|
default: return -1;
|
|
}
|
|
|
|
if (hFile)
|
|
{
|
|
LARGE_INTEGER* li = (LARGE_INTEGER*)&offset;
|
|
DWORD dwSet = SetFilePointer(hFile, li->u.LowPart, &li->u.HighPart, dwMoveMethod);
|
|
if (dwSet == INVALID_SET_FILE_POINTER)
|
|
{
|
|
DWORD dwErr = GetLastError();
|
|
((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
|
|
ret = -1;
|
|
}
|
|
else
|
|
ret=0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
|
|
{
|
|
int ret=-1;
|
|
|
|
if (stream!=NULL)
|
|
{
|
|
HANDLE hFile;
|
|
hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
|
|
if (hFile != NULL)
|
|
{
|
|
CloseHandle(hFile);
|
|
ret=0;
|
|
}
|
|
free(stream);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
|
|
{
|
|
int ret=-1;
|
|
if (stream!=NULL)
|
|
{
|
|
ret = ((WIN32FILE_IOWIN*)stream) -> error;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
|
|
{
|
|
pzlib_filefunc_def->zopen_file = win32_open_file_func;
|
|
pzlib_filefunc_def->zread_file = win32_read_file_func;
|
|
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
|
|
pzlib_filefunc_def->ztell_file = win32_tell_file_func;
|
|
pzlib_filefunc_def->zseek_file = win32_seek_file_func;
|
|
pzlib_filefunc_def->zclose_file = win32_close_file_func;
|
|
pzlib_filefunc_def->zerror_file = win32_error_file_func;
|
|
pzlib_filefunc_def->opaque = NULL;
|
|
}
|
|
|
|
void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
|
|
{
|
|
pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
|
|
pzlib_filefunc_def->zread_file = win32_read_file_func;
|
|
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
|
|
pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
|
|
pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
|
|
pzlib_filefunc_def->zclose_file = win32_close_file_func;
|
|
pzlib_filefunc_def->zerror_file = win32_error_file_func;
|
|
pzlib_filefunc_def->opaque = NULL;
|
|
}
|
|
|
|
|
|
void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
|
|
{
|
|
pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
|
|
pzlib_filefunc_def->zread_file = win32_read_file_func;
|
|
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
|
|
pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
|
|
pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
|
|
pzlib_filefunc_def->zclose_file = win32_close_file_func;
|
|
pzlib_filefunc_def->zerror_file = win32_error_file_func;
|
|
pzlib_filefunc_def->opaque = NULL;
|
|
}
|
|
|
|
|
|
void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
|
|
{
|
|
pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
|
|
pzlib_filefunc_def->zread_file = win32_read_file_func;
|
|
pzlib_filefunc_def->zwrite_file = win32_write_file_func;
|
|
pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
|
|
pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
|
|
pzlib_filefunc_def->zclose_file = win32_close_file_func;
|
|
pzlib_filefunc_def->zerror_file = win32_error_file_func;
|
|
pzlib_filefunc_def->opaque = NULL;
|
|
}
|