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 #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
30 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
31 #define IOWIN32_USING_WINRT_API 1
35 voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
36 uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
37 uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
38 ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream));
39 long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
40 int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
41 int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
50 static void win32_translate_open_mode(int mode,
51 DWORD* lpdwDesiredAccess,
52 DWORD* lpdwCreationDisposition,
54 DWORD* lpdwFlagsAndAttributes)
56 *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
58 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
60 *lpdwDesiredAccess = GENERIC_READ;
61 *lpdwCreationDisposition = OPEN_EXISTING;
62 *lpdwShareMode = FILE_SHARE_READ;
64 else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
66 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
67 *lpdwCreationDisposition = OPEN_EXISTING;
69 else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
71 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
72 *lpdwCreationDisposition = CREATE_ALWAYS;
76 static voidpf win32_build_iowin(HANDLE hFile)
80 if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
82 WIN32FILE_IOWIN w32fiow;
85 ret = malloc(sizeof(WIN32FILE_IOWIN));
90 *((WIN32FILE_IOWIN*)ret) = w32fiow;
95 voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
97 const char* mode_fopen = NULL;
98 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
101 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
103 #ifdef IOWIN32_USING_WINRT_API
105 if ((filename!=NULL) && (dwDesiredAccess != 0))
106 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
108 if ((filename!=NULL) && (dwDesiredAccess != 0))
110 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
111 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
112 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
116 if ((filename!=NULL) && (dwDesiredAccess != 0))
117 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
120 return win32_build_iowin(hFile);
124 voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
126 const char* mode_fopen = NULL;
127 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
130 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
132 #ifdef IOWIN32_USING_WINRT_API
133 if ((filename!=NULL) && (dwDesiredAccess != 0))
135 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
136 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
137 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
140 if ((filename!=NULL) && (dwDesiredAccess != 0))
141 hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
144 return win32_build_iowin(hFile);
148 voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
150 const char* mode_fopen = NULL;
151 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
154 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
156 #ifdef IOWIN32_USING_WINRT_API
157 if ((filename!=NULL) && (dwDesiredAccess != 0))
158 hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
160 if ((filename!=NULL) && (dwDesiredAccess != 0))
161 hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
164 return win32_build_iowin(hFile);
168 voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
170 const char* mode_fopen = NULL;
171 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
174 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
176 #ifdef IOWIN32_USING_WINRT_API
178 if ((filename!=NULL) && (dwDesiredAccess != 0))
179 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
181 if ((filename!=NULL) && (dwDesiredAccess != 0))
183 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
184 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
185 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
189 if ((filename!=NULL) && (dwDesiredAccess != 0))
190 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
193 return win32_build_iowin(hFile);
197 uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
202 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
206 if (!ReadFile(hFile, buf, size, &ret, NULL))
208 DWORD dwErr = GetLastError();
209 if (dwErr == ERROR_HANDLE_EOF)
211 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
219 uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
224 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
228 if (!WriteFile(hFile, buf, size, &ret, NULL))
230 DWORD dwErr = GetLastError();
231 if (dwErr == ERROR_HANDLE_EOF)
233 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
240 static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod)
242 #ifdef IOWIN32_USING_WINRT_API
243 return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
245 LONG lHigh = pos.HighPart;
246 DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT);
248 if (dwNewPos == 0xFFFFFFFF)
249 if (GetLastError() != NO_ERROR)
251 if ((newPos != NULL) && (fOk))
253 newPos->LowPart = dwNewPos;
254 newPos->HighPart = lHigh;
260 long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
265 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
271 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
273 DWORD dwErr = GetLastError();
274 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
278 ret=(long)pos.LowPart;
283 ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
285 ZPOS64_T ret= (ZPOS64_T)-1;
288 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
295 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
297 DWORD dwErr = GetLastError();
298 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
308 long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
310 DWORD dwMoveMethod=0xFFFFFFFF;
315 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
318 case ZLIB_FILEFUNC_SEEK_CUR :
319 dwMoveMethod = FILE_CURRENT;
321 case ZLIB_FILEFUNC_SEEK_END :
322 dwMoveMethod = FILE_END;
324 case ZLIB_FILEFUNC_SEEK_SET :
325 dwMoveMethod = FILE_BEGIN;
333 pos.QuadPart = offset;
334 if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
336 DWORD dwErr = GetLastError();
337 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
346 long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
348 DWORD dwMoveMethod=0xFFFFFFFF;
353 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
357 case ZLIB_FILEFUNC_SEEK_CUR :
358 dwMoveMethod = FILE_CURRENT;
360 case ZLIB_FILEFUNC_SEEK_END :
361 dwMoveMethod = FILE_END;
363 case ZLIB_FILEFUNC_SEEK_SET :
364 dwMoveMethod = FILE_BEGIN;
372 pos.QuadPart = offset;
373 if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT))
375 DWORD dwErr = GetLastError();
376 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
385 int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
392 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
403 int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
408 ret = ((WIN32FILE_IOWIN*)stream) -> error;
413 void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
415 pzlib_filefunc_def->zopen_file = win32_open_file_func;
416 pzlib_filefunc_def->zread_file = win32_read_file_func;
417 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
418 pzlib_filefunc_def->ztell_file = win32_tell_file_func;
419 pzlib_filefunc_def->zseek_file = win32_seek_file_func;
420 pzlib_filefunc_def->zclose_file = win32_close_file_func;
421 pzlib_filefunc_def->zerror_file = win32_error_file_func;
422 pzlib_filefunc_def->opaque = NULL;
425 void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
427 pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
428 pzlib_filefunc_def->zread_file = win32_read_file_func;
429 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
430 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
431 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
432 pzlib_filefunc_def->zclose_file = win32_close_file_func;
433 pzlib_filefunc_def->zerror_file = win32_error_file_func;
434 pzlib_filefunc_def->opaque = NULL;
438 void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
440 pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
441 pzlib_filefunc_def->zread_file = win32_read_file_func;
442 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
443 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
444 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
445 pzlib_filefunc_def->zclose_file = win32_close_file_func;
446 pzlib_filefunc_def->zerror_file = win32_error_file_func;
447 pzlib_filefunc_def->opaque = NULL;
451 void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
453 pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
454 pzlib_filefunc_def->zread_file = win32_read_file_func;
455 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
456 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
457 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
458 pzlib_filefunc_def->zclose_file = win32_close_file_func;
459 pzlib_filefunc_def->zerror_file = win32_error_file_func;
460 pzlib_filefunc_def->opaque = NULL;