+++ /dev/null
-/* 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
-
-
-#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
-#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
-#define IOWIN32_USING_WINRT_API 1
-#endif
-#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);
-
-#ifdef IOWIN32_USING_WINRT_API
-#ifdef UNICODE
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
-#else
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- {
- WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
- MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
- hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
- }
-#endif
-#else
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
-#endif
-
- 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);
-
-#ifdef IOWIN32_USING_WINRT_API
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- {
- WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
- MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
- hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
- }
-#else
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
-#endif
-
- 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);
-
-#ifdef IOWIN32_USING_WINRT_API
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
-#else
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
-#endif
-
- 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);
-
-#ifdef IOWIN32_USING_WINRT_API
-#ifdef UNICODE
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
-#else
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- {
- WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
- MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
- hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
- }
-#endif
-#else
- if ((filename!=NULL) && (dwDesiredAccess != 0))
- hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
-#endif
-
- 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;
-}
-
-static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod)
-{
-#ifdef IOWIN32_USING_WINRT_API
- return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
-#else
- LONG lHigh = pos.HighPart;
- DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT);
- BOOL fOk = TRUE;
- if (dwNewPos == 0xFFFFFFFF)
- if (GetLastError() != NO_ERROR)
- fOk = FALSE;
- if ((newPos != NULL) && (fOk))
- {
- newPos->LowPart = dwNewPos;
- newPos->HighPart = lHigh;
- }
- return fOk;
-#endif
-}
-
-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)
- {
- LARGE_INTEGER pos;
- pos.QuadPart = 0;
-
- if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
- {
- DWORD dwErr = GetLastError();
- ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
- ret = -1;
- }
- else
- ret=(long)pos.LowPart;
- }
- 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 pos;
- pos.QuadPart = 0;
-
- if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
- {
- DWORD dwErr = GetLastError();
- ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
- ret = (ZPOS64_T)-1;
- }
- else
- ret=pos.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)
- {
- LARGE_INTEGER pos;
- pos.QuadPart = offset;
- if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
- {
- 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 pos;
- pos.QuadPart = offset;
- if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT))
- {
- 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;
-}
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