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462 lines
14 KiB
462 lines
14 KiB
/* iowin32.c -- IO base function header for compress/uncompress .zip |
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Version 1.1, February 14h, 2010 |
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part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) |
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Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) |
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Modifications for Zip64 support |
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Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) |
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For more info read MiniZip_info.txt |
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*/ |
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#include <stdlib.h> |
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#include "zlib.h" |
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#include "ioapi.h" |
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#include "iowin32.h" |
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#ifndef INVALID_HANDLE_VALUE |
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#define INVALID_HANDLE_VALUE (0xFFFFFFFF) |
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#endif |
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#ifndef INVALID_SET_FILE_POINTER |
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#define INVALID_SET_FILE_POINTER ((DWORD)-1) |
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#endif |
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// see Include/shared/winapifamily.h in the Windows Kit |
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#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) |
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#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) |
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#define IOWIN32_USING_WINRT_API 1 |
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#endif |
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#endif |
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voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode)); |
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uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size)); |
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uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); |
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ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream)); |
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long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin)); |
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int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream)); |
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int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream)); |
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typedef struct |
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{ |
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HANDLE hf; |
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int error; |
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} WIN32FILE_IOWIN; |
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static void win32_translate_open_mode(int mode, |
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DWORD* lpdwDesiredAccess, |
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DWORD* lpdwCreationDisposition, |
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DWORD* lpdwShareMode, |
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DWORD* lpdwFlagsAndAttributes) |
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{ |
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*lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; |
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if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) |
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{ |
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*lpdwDesiredAccess = GENERIC_READ; |
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*lpdwCreationDisposition = OPEN_EXISTING; |
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*lpdwShareMode = FILE_SHARE_READ; |
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} |
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else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) |
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{ |
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*lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
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*lpdwCreationDisposition = OPEN_EXISTING; |
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} |
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else if (mode & ZLIB_FILEFUNC_MODE_CREATE) |
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{ |
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*lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
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*lpdwCreationDisposition = CREATE_ALWAYS; |
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} |
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} |
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static voidpf win32_build_iowin(HANDLE hFile) |
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{ |
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voidpf ret=NULL; |
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if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) |
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{ |
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WIN32FILE_IOWIN w32fiow; |
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w32fiow.hf = hFile; |
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w32fiow.error = 0; |
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ret = malloc(sizeof(WIN32FILE_IOWIN)); |
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if (ret==NULL) |
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CloseHandle(hFile); |
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else |
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*((WIN32FILE_IOWIN*)ret) = w32fiow; |
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} |
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return ret; |
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} |
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voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode) |
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{ |
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const char* mode_fopen = NULL; |
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DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
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HANDLE hFile = NULL; |
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win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
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#ifdef IOWIN32_USING_WINRT_API |
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#ifdef UNICODE |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
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#else |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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{ |
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WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
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MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
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hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
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} |
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#endif |
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#else |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
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#endif |
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return win32_build_iowin(hFile); |
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} |
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voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode) |
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{ |
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const char* mode_fopen = NULL; |
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DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
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HANDLE hFile = NULL; |
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win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
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#ifdef IOWIN32_USING_WINRT_API |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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{ |
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WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
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MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
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hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
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} |
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#else |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
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#endif |
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return win32_build_iowin(hFile); |
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} |
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voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode) |
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{ |
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const char* mode_fopen = NULL; |
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DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
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HANDLE hFile = NULL; |
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win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
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#ifdef IOWIN32_USING_WINRT_API |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); |
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#else |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
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#endif |
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return win32_build_iowin(hFile); |
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} |
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voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode) |
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{ |
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const char* mode_fopen = NULL; |
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DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
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HANDLE hFile = NULL; |
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win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
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#ifdef IOWIN32_USING_WINRT_API |
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#ifdef UNICODE |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
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#else |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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{ |
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WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
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MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
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hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
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} |
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#endif |
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#else |
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if ((filename!=NULL) && (dwDesiredAccess != 0)) |
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hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
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#endif |
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return win32_build_iowin(hFile); |
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} |
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uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size) |
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{ |
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uLong ret=0; |
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HANDLE hFile = NULL; |
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if (stream!=NULL) |
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hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
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if (hFile != NULL) |
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{ |
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if (!ReadFile(hFile, buf, size, &ret, NULL)) |
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{ |
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DWORD dwErr = GetLastError(); |
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if (dwErr == ERROR_HANDLE_EOF) |
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dwErr = 0; |
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((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
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} |
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} |
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return ret; |
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} |
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uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size) |
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{ |
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uLong ret=0; |
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HANDLE hFile = NULL; |
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if (stream!=NULL) |
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hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
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if (hFile != NULL) |
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{ |
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if (!WriteFile(hFile, buf, size, &ret, NULL)) |
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{ |
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DWORD dwErr = GetLastError(); |
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if (dwErr == ERROR_HANDLE_EOF) |
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dwErr = 0; |
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((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
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} |
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} |
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return ret; |
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} |
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static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) |
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{ |
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#ifdef IOWIN32_USING_WINRT_API |
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return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); |
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#else |
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LONG lHigh = pos.HighPart; |
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DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); |
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BOOL fOk = TRUE; |
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if (dwNewPos == 0xFFFFFFFF) |
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if (GetLastError() != NO_ERROR) |
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fOk = FALSE; |
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if ((newPos != NULL) && (fOk)) |
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{ |
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newPos->LowPart = dwNewPos; |
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newPos->HighPart = lHigh; |
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} |
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return fOk; |
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#endif |
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} |
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long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream) |
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{ |
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long ret=-1; |
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HANDLE hFile = NULL; |
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if (stream!=NULL) |
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hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
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if (hFile != NULL) |
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{ |
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LARGE_INTEGER pos; |
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pos.QuadPart = 0; |
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if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
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{ |
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DWORD dwErr = GetLastError(); |
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((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
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ret = -1; |
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} |
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else |
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ret=(long)pos.LowPart; |
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} |
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return ret; |
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} |
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ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream) |
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{ |
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ZPOS64_T ret= (ZPOS64_T)-1; |
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HANDLE hFile = NULL; |
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if (stream!=NULL) |
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hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
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if (hFile) |
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{ |
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LARGE_INTEGER pos; |
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pos.QuadPart = 0; |
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if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
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{ |
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DWORD dwErr = GetLastError(); |
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((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
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ret = (ZPOS64_T)-1; |
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} |
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else |
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ret=pos.QuadPart; |
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} |
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return ret; |
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} |
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long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin) |
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{ |
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DWORD dwMoveMethod=0xFFFFFFFF; |
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HANDLE hFile = NULL; |
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long ret=-1; |
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if (stream!=NULL) |
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hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
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switch (origin) |
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{ |
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case ZLIB_FILEFUNC_SEEK_CUR : |
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dwMoveMethod = FILE_CURRENT; |
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break; |
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case ZLIB_FILEFUNC_SEEK_END : |
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dwMoveMethod = FILE_END; |
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break; |
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case ZLIB_FILEFUNC_SEEK_SET : |
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dwMoveMethod = FILE_BEGIN; |
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break; |
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default: return -1; |
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} |
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if (hFile != NULL) |
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{ |
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LARGE_INTEGER pos; |
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pos.QuadPart = offset; |
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if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
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{ |
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DWORD dwErr = GetLastError(); |
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((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
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ret = -1; |
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} |
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else |
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ret=0; |
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} |
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return ret; |
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} |
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long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin) |
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{ |
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DWORD dwMoveMethod=0xFFFFFFFF; |
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HANDLE hFile = NULL; |
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long ret=-1; |
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if (stream!=NULL) |
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hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
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switch (origin) |
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{ |
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case ZLIB_FILEFUNC_SEEK_CUR : |
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dwMoveMethod = FILE_CURRENT; |
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break; |
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case ZLIB_FILEFUNC_SEEK_END : |
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dwMoveMethod = FILE_END; |
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break; |
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case ZLIB_FILEFUNC_SEEK_SET : |
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dwMoveMethod = FILE_BEGIN; |
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break; |
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default: return -1; |
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} |
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if (hFile) |
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{ |
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LARGE_INTEGER pos; |
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pos.QuadPart = offset; |
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if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
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{ |
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DWORD dwErr = GetLastError(); |
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((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
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ret = -1; |
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} |
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else |
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ret=0; |
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} |
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return ret; |
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} |
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int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream) |
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{ |
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int ret=-1; |
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if (stream!=NULL) |
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{ |
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HANDLE hFile; |
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hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
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if (hFile != NULL) |
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{ |
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CloseHandle(hFile); |
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ret=0; |
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} |
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free(stream); |
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} |
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return ret; |
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} |
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int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream) |
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{ |
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int ret=-1; |
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if (stream!=NULL) |
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{ |
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ret = ((WIN32FILE_IOWIN*)stream) -> error; |
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} |
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return ret; |
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} |
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void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def) |
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{ |
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pzlib_filefunc_def->zopen_file = win32_open_file_func; |
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pzlib_filefunc_def->zread_file = win32_read_file_func; |
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pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
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pzlib_filefunc_def->ztell_file = win32_tell_file_func; |
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pzlib_filefunc_def->zseek_file = win32_seek_file_func; |
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pzlib_filefunc_def->zclose_file = win32_close_file_func; |
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pzlib_filefunc_def->zerror_file = win32_error_file_func; |
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pzlib_filefunc_def->opaque = NULL; |
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} |
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void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) |
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{ |
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pzlib_filefunc_def->zopen64_file = win32_open64_file_func; |
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pzlib_filefunc_def->zread_file = win32_read_file_func; |
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pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
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pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
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pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
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pzlib_filefunc_def->zclose_file = win32_close_file_func; |
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pzlib_filefunc_def->zerror_file = win32_error_file_func; |
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pzlib_filefunc_def->opaque = NULL; |
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} |
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void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) |
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{ |
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pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; |
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pzlib_filefunc_def->zread_file = win32_read_file_func; |
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pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
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pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
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pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
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pzlib_filefunc_def->zclose_file = win32_close_file_func; |
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pzlib_filefunc_def->zerror_file = win32_error_file_func; |
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pzlib_filefunc_def->opaque = NULL; |
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} |
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void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) |
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{ |
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pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; |
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pzlib_filefunc_def->zread_file = win32_read_file_func; |
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pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
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pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
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pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
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pzlib_filefunc_def->zclose_file = win32_close_file_func; |
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pzlib_filefunc_def->zerror_file = win32_error_file_func; |
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pzlib_filefunc_def->opaque = NULL; |
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}
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