1 /* iowin32.c -- IO base function header for compress/uncompress .zip
2 Version 1.1, February 14h, 2010
3 part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
5 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
7 Modifications for Zip64 support
8 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
10 For more info read MiniZip_info.txt
20 #ifndef INVALID_HANDLE_VALUE
21 #define INVALID_HANDLE_VALUE (0xFFFFFFFF)
24 #ifndef INVALID_SET_FILE_POINTER
25 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
29 // see Include/shared/winapifamily.h in the Windows Kit
30 #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
32 #if !defined(WINAPI_FAMILY_ONE_PARTITION)
33 #define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition)
36 #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP)
37 #define IOWIN32_USING_WINRT_API 1
41 voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
42 uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
43 uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
44 ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream));
45 long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
46 int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
47 int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
56 static void win32_translate_open_mode(int mode,
57 DWORD* lpdwDesiredAccess,
58 DWORD* lpdwCreationDisposition,
60 DWORD* lpdwFlagsAndAttributes)
62 *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
64 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
66 *lpdwDesiredAccess = GENERIC_READ;
67 *lpdwCreationDisposition = OPEN_EXISTING;
68 *lpdwShareMode = FILE_SHARE_READ;
70 else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
72 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
73 *lpdwCreationDisposition = OPEN_EXISTING;
75 else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
77 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
78 *lpdwCreationDisposition = CREATE_ALWAYS;
82 static voidpf win32_build_iowin(HANDLE hFile)
86 if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
88 WIN32FILE_IOWIN w32fiow;
91 ret = malloc(sizeof(WIN32FILE_IOWIN));
96 *((WIN32FILE_IOWIN*)ret) = w32fiow;
101 voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
103 const char* mode_fopen = NULL;
104 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
107 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
109 #ifdef IOWIN32_USING_WINRT_API
111 if ((filename!=NULL) && (dwDesiredAccess != 0))
112 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
114 if ((filename!=NULL) && (dwDesiredAccess != 0))
116 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
117 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
118 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
122 if ((filename!=NULL) && (dwDesiredAccess != 0))
123 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
126 return win32_build_iowin(hFile);
130 voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
132 const char* mode_fopen = NULL;
133 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
136 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
138 #ifdef IOWIN32_USING_WINRT_API
139 if ((filename!=NULL) && (dwDesiredAccess != 0))
141 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
142 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
143 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
146 if ((filename!=NULL) && (dwDesiredAccess != 0))
147 hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
150 return win32_build_iowin(hFile);
154 voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
156 const char* mode_fopen = NULL;
157 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
160 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
162 #ifdef IOWIN32_USING_WINRT_API
163 if ((filename!=NULL) && (dwDesiredAccess != 0))
164 hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
166 if ((filename!=NULL) && (dwDesiredAccess != 0))
167 hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
170 return win32_build_iowin(hFile);
174 voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
176 const char* mode_fopen = NULL;
177 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
180 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
182 #ifdef IOWIN32_USING_WINRT_API
184 if ((filename!=NULL) && (dwDesiredAccess != 0))
185 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
187 if ((filename!=NULL) && (dwDesiredAccess != 0))
189 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
190 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
191 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
195 if ((filename!=NULL) && (dwDesiredAccess != 0))
196 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
199 return win32_build_iowin(hFile);
203 uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
208 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
212 if (!ReadFile(hFile, buf, size, &ret, NULL))
214 DWORD dwErr = GetLastError();
215 if (dwErr == ERROR_HANDLE_EOF)
217 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
225 uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
230 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
234 if (!WriteFile(hFile, buf, size, &ret, NULL))
236 DWORD dwErr = GetLastError();
237 if (dwErr == ERROR_HANDLE_EOF)
239 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
246 static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod)
248 #ifdef IOWIN32_USING_WINRT_API
249 return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
251 LONG lHigh = pos.HighPart;
252 DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod);
254 if (dwNewPos == 0xFFFFFFFF)
255 if (GetLastError() != NO_ERROR)
257 if ((newPos != NULL) && (fOk))
259 newPos->LowPart = dwNewPos;
260 newPos->HighPart = lHigh;
266 long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
271 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
277 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
279 DWORD dwErr = GetLastError();
280 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
284 ret=(long)pos.LowPart;
289 ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
291 ZPOS64_T ret= (ZPOS64_T)-1;
294 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
301 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
303 DWORD dwErr = GetLastError();
304 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
314 long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
316 DWORD dwMoveMethod=0xFFFFFFFF;
321 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
324 case ZLIB_FILEFUNC_SEEK_CUR :
325 dwMoveMethod = FILE_CURRENT;
327 case ZLIB_FILEFUNC_SEEK_END :
328 dwMoveMethod = FILE_END;
330 case ZLIB_FILEFUNC_SEEK_SET :
331 dwMoveMethod = FILE_BEGIN;
339 pos.QuadPart = offset;
340 if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
342 DWORD dwErr = GetLastError();
343 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
352 long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
354 DWORD dwMoveMethod=0xFFFFFFFF;
359 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
363 case ZLIB_FILEFUNC_SEEK_CUR :
364 dwMoveMethod = FILE_CURRENT;
366 case ZLIB_FILEFUNC_SEEK_END :
367 dwMoveMethod = FILE_END;
369 case ZLIB_FILEFUNC_SEEK_SET :
370 dwMoveMethod = FILE_BEGIN;
378 pos.QuadPart = offset;
379 if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
381 DWORD dwErr = GetLastError();
382 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
391 int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
398 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
409 int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
414 ret = ((WIN32FILE_IOWIN*)stream) -> error;
419 void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
421 pzlib_filefunc_def->zopen_file = win32_open_file_func;
422 pzlib_filefunc_def->zread_file = win32_read_file_func;
423 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
424 pzlib_filefunc_def->ztell_file = win32_tell_file_func;
425 pzlib_filefunc_def->zseek_file = win32_seek_file_func;
426 pzlib_filefunc_def->zclose_file = win32_close_file_func;
427 pzlib_filefunc_def->zerror_file = win32_error_file_func;
428 pzlib_filefunc_def->opaque = NULL;
431 void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
433 pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
434 pzlib_filefunc_def->zread_file = win32_read_file_func;
435 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
436 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
437 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
438 pzlib_filefunc_def->zclose_file = win32_close_file_func;
439 pzlib_filefunc_def->zerror_file = win32_error_file_func;
440 pzlib_filefunc_def->opaque = NULL;
444 void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
446 pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
447 pzlib_filefunc_def->zread_file = win32_read_file_func;
448 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
449 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
450 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
451 pzlib_filefunc_def->zclose_file = win32_close_file_func;
452 pzlib_filefunc_def->zerror_file = win32_error_file_func;
453 pzlib_filefunc_def->opaque = NULL;
457 void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
459 pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
460 pzlib_filefunc_def->zread_file = win32_read_file_func;
461 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
462 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
463 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
464 pzlib_filefunc_def->zclose_file = win32_close_file_func;
465 pzlib_filefunc_def->zerror_file = win32_error_file_func;
466 pzlib_filefunc_def->opaque = NULL;