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)))
31 #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP)
32 #define IOWIN32_USING_WINRT_API 1
36 voidpf ZCALLBACK win32_open_file_func OF((voidpf opaque, const char* filename, int mode));
37 uLong ZCALLBACK win32_read_file_func OF((voidpf opaque, voidpf stream, void* buf, uLong size));
38 uLong ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
39 ZPOS64_T ZCALLBACK win32_tell64_file_func OF((voidpf opaque, voidpf stream));
40 long ZCALLBACK win32_seek64_file_func OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
41 int ZCALLBACK win32_close_file_func OF((voidpf opaque, voidpf stream));
42 int ZCALLBACK win32_error_file_func OF((voidpf opaque, voidpf stream));
51 static void win32_translate_open_mode(int mode,
52 DWORD* lpdwDesiredAccess,
53 DWORD* lpdwCreationDisposition,
55 DWORD* lpdwFlagsAndAttributes)
57 *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
59 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
61 *lpdwDesiredAccess = GENERIC_READ;
62 *lpdwCreationDisposition = OPEN_EXISTING;
63 *lpdwShareMode = FILE_SHARE_READ;
65 else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
67 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
68 *lpdwCreationDisposition = OPEN_EXISTING;
70 else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
72 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
73 *lpdwCreationDisposition = CREATE_ALWAYS;
77 static voidpf win32_build_iowin(HANDLE hFile)
81 if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
83 WIN32FILE_IOWIN w32fiow;
86 ret = malloc(sizeof(WIN32FILE_IOWIN));
91 *((WIN32FILE_IOWIN*)ret) = w32fiow;
96 voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
98 const char* mode_fopen = NULL;
99 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
102 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
104 #ifdef IOWIN32_USING_WINRT_API
106 if ((filename!=NULL) && (dwDesiredAccess != 0))
107 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
109 if ((filename!=NULL) && (dwDesiredAccess != 0))
111 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
112 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
113 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
117 if ((filename!=NULL) && (dwDesiredAccess != 0))
118 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
121 return win32_build_iowin(hFile);
125 voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
127 const char* mode_fopen = NULL;
128 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
131 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
133 #ifdef IOWIN32_USING_WINRT_API
134 if ((filename!=NULL) && (dwDesiredAccess != 0))
136 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
137 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
138 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
141 if ((filename!=NULL) && (dwDesiredAccess != 0))
142 hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
145 return win32_build_iowin(hFile);
149 voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
151 const char* mode_fopen = NULL;
152 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
155 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
157 #ifdef IOWIN32_USING_WINRT_API
158 if ((filename!=NULL) && (dwDesiredAccess != 0))
159 hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
161 if ((filename!=NULL) && (dwDesiredAccess != 0))
162 hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
165 return win32_build_iowin(hFile);
169 voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
171 const char* mode_fopen = NULL;
172 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
175 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
177 #ifdef IOWIN32_USING_WINRT_API
179 if ((filename!=NULL) && (dwDesiredAccess != 0))
180 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
182 if ((filename!=NULL) && (dwDesiredAccess != 0))
184 WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
185 MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
186 hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
190 if ((filename!=NULL) && (dwDesiredAccess != 0))
191 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
194 return win32_build_iowin(hFile);
198 uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
203 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
207 if (!ReadFile(hFile, buf, size, &ret, NULL))
209 DWORD dwErr = GetLastError();
210 if (dwErr == ERROR_HANDLE_EOF)
212 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
220 uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
225 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
229 if (!WriteFile(hFile, buf, size, &ret, NULL))
231 DWORD dwErr = GetLastError();
232 if (dwErr == ERROR_HANDLE_EOF)
234 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
241 static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod)
243 #ifdef IOWIN32_USING_WINRT_API
244 return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
246 LONG lHigh = pos.HighPart;
247 DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod);
249 if (dwNewPos == 0xFFFFFFFF)
250 if (GetLastError() != NO_ERROR)
252 if ((newPos != NULL) && (fOk))
254 newPos->LowPart = dwNewPos;
255 newPos->HighPart = lHigh;
261 long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
266 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
272 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
274 DWORD dwErr = GetLastError();
275 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
279 ret=(long)pos.LowPart;
284 ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
286 ZPOS64_T ret= (ZPOS64_T)-1;
289 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
296 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
298 DWORD dwErr = GetLastError();
299 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
309 long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
311 DWORD dwMoveMethod=0xFFFFFFFF;
316 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
319 case ZLIB_FILEFUNC_SEEK_CUR :
320 dwMoveMethod = FILE_CURRENT;
322 case ZLIB_FILEFUNC_SEEK_END :
323 dwMoveMethod = FILE_END;
325 case ZLIB_FILEFUNC_SEEK_SET :
326 dwMoveMethod = FILE_BEGIN;
334 pos.QuadPart = offset;
335 if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
337 DWORD dwErr = GetLastError();
338 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
347 long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
349 DWORD dwMoveMethod=0xFFFFFFFF;
354 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
358 case ZLIB_FILEFUNC_SEEK_CUR :
359 dwMoveMethod = FILE_CURRENT;
361 case ZLIB_FILEFUNC_SEEK_END :
362 dwMoveMethod = FILE_END;
364 case ZLIB_FILEFUNC_SEEK_SET :
365 dwMoveMethod = FILE_BEGIN;
373 pos.QuadPart = offset;
374 if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
376 DWORD dwErr = GetLastError();
377 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
386 int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
393 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
404 int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
409 ret = ((WIN32FILE_IOWIN*)stream) -> error;
414 void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
416 pzlib_filefunc_def->zopen_file = win32_open_file_func;
417 pzlib_filefunc_def->zread_file = win32_read_file_func;
418 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
419 pzlib_filefunc_def->ztell_file = win32_tell_file_func;
420 pzlib_filefunc_def->zseek_file = win32_seek_file_func;
421 pzlib_filefunc_def->zclose_file = win32_close_file_func;
422 pzlib_filefunc_def->zerror_file = win32_error_file_func;
423 pzlib_filefunc_def->opaque = NULL;
426 void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
428 pzlib_filefunc_def->zopen64_file = win32_open64_file_func;
429 pzlib_filefunc_def->zread_file = win32_read_file_func;
430 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
431 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
432 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
433 pzlib_filefunc_def->zclose_file = win32_close_file_func;
434 pzlib_filefunc_def->zerror_file = win32_error_file_func;
435 pzlib_filefunc_def->opaque = NULL;
439 void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
441 pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA;
442 pzlib_filefunc_def->zread_file = win32_read_file_func;
443 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
444 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
445 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
446 pzlib_filefunc_def->zclose_file = win32_close_file_func;
447 pzlib_filefunc_def->zerror_file = win32_error_file_func;
448 pzlib_filefunc_def->opaque = NULL;
452 void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
454 pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW;
455 pzlib_filefunc_def->zread_file = win32_read_file_func;
456 pzlib_filefunc_def->zwrite_file = win32_write_file_func;
457 pzlib_filefunc_def->ztell64_file = win32_tell64_file_func;
458 pzlib_filefunc_def->zseek64_file = win32_seek64_file_func;
459 pzlib_filefunc_def->zclose_file = win32_close_file_func;
460 pzlib_filefunc_def->zerror_file = win32_error_file_func;
461 pzlib_filefunc_def->opaque = NULL;