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 )
4
5 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
6
7 Modifications for Zip64 support
8 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
9
10 For more info read MiniZip_info.txt
11
12 */
13
14 #include <stdlib.h>
15
16 #include "zlib.h"
17 #include "ioapi.h"
18 #include "iowin32.h"
19
20 #ifndef INVALID_HANDLE_VALUE
21 #define INVALID_HANDLE_VALUE (0xFFFFFFFF)
22 #endif
23
24 #ifndef INVALID_SET_FILE_POINTER
25 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
26 #endif
27
28
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
32 #endif
33 #endif
34
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));
42
43 typedef struct
44 {
45 HANDLE hf;
46 int error;
47 } WIN32FILE_IOWIN;
48
49
50 static void win32_translate_open_mode(int mode,
51 DWORD* lpdwDesiredAccess,
52 DWORD* lpdwCreationDisposition,
53 DWORD* lpdwShareMode,
54 DWORD* lpdwFlagsAndAttributes)
55 {
56 *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0;
57
58 if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
59 {
60 *lpdwDesiredAccess = GENERIC_READ;
61 *lpdwCreationDisposition = OPEN_EXISTING;
62 *lpdwShareMode = FILE_SHARE_READ;
63 }
64 else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
65 {
66 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
67 *lpdwCreationDisposition = OPEN_EXISTING;
68 }
69 else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
70 {
71 *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ;
72 *lpdwCreationDisposition = CREATE_ALWAYS;
73 }
74 }
75
76 static voidpf win32_build_iowin(HANDLE hFile)
77 {
78 voidpf ret=NULL;
79
80 if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE))
81 {
82 WIN32FILE_IOWIN w32fiow;
83 w32fiow.hf = hFile;
84 w32fiow.error = 0;
85 ret = malloc(sizeof(WIN32FILE_IOWIN));
86
87 if (ret==NULL)
88 CloseHandle(hFile);
89 else
90 *((WIN32FILE_IOWIN*)ret) = w32fiow;
91 }
92 return ret;
93 }
94
95 voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode)
96 {
97 const char* mode_fopen = NULL;
98 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
99 HANDLE hFile = NULL;
100
101 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
102
103 #ifdef IOWIN32_USING_WINRT_API
104 #ifdef UNICODE
105 if ((filename!=NULL) && (dwDesiredAccess != 0))
106 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
107 #else
108 if ((filename!=NULL) && (dwDesiredAccess != 0))
109 {
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);
113 }
114 #endif
115 #else
116 if ((filename!=NULL) && (dwDesiredAccess != 0))
117 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
118 #endif
119
120 return win32_build_iowin(hFile);
121 }
122
123
124 voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode)
125 {
126 const char* mode_fopen = NULL;
127 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
128 HANDLE hFile = NULL;
129
130 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
131
132 #ifdef IOWIN32_USING_WINRT_API
133 if ((filename!=NULL) && (dwDesiredAccess != 0))
134 {
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);
138 }
139 #else
140 if ((filename!=NULL) && (dwDesiredAccess != 0))
141 hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
142 #endif
143
144 return win32_build_iowin(hFile);
145 }
146
147
148 voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode)
149 {
150 const char* mode_fopen = NULL;
151 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
152 HANDLE hFile = NULL;
153
154 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
155
156 #ifdef IOWIN32_USING_WINRT_API
157 if ((filename!=NULL) && (dwDesiredAccess != 0))
158 hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
159 #else
160 if ((filename!=NULL) && (dwDesiredAccess != 0))
161 hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
162 #endif
163
164 return win32_build_iowin(hFile);
165 }
166
167
168 voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode)
169 {
170 const char* mode_fopen = NULL;
171 DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ;
172 HANDLE hFile = NULL;
173
174 win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
175
176 #ifdef IOWIN32_USING_WINRT_API
177 #ifdef UNICODE
178 if ((filename!=NULL) && (dwDesiredAccess != 0))
179 hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
180 #else
181 if ((filename!=NULL) && (dwDesiredAccess != 0))
182 {
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);
186 }
187 #endif
188 #else
189 if ((filename!=NULL) && (dwDesiredAccess != 0))
190 hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
191 #endif
192
193 return win32_build_iowin(hFile);
194 }
195
196
197 uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size)
198 {
199 uLong ret=0;
200 HANDLE hFile = NULL;
201 if (stream!=NULL)
202 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
203
204 if (hFile != NULL)
205 {
206 if (!ReadFile(hFile, buf, size, &ret, NULL))
207 {
208 DWORD dwErr = GetLastError();
209 if (dwErr == ERROR_HANDLE_EOF)
210 dwErr = 0;
211 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
212 }
213 }
214
215 return ret;
216 }
217
218
219 uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size)
220 {
221 uLong ret=0;
222 HANDLE hFile = NULL;
223 if (stream!=NULL)
224 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
225
226 if (hFile != NULL)
227 {
228 if (!WriteFile(hFile, buf, size, &ret, NULL))
229 {
230 DWORD dwErr = GetLastError();
231 if (dwErr == ERROR_HANDLE_EOF)
232 dwErr = 0;
233 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
234 }
235 }
236
237 return ret;
238 }
239
240 static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod)
241 {
242 #ifdef IOWIN32_USING_WINRT_API
243 return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
244 #else
245 LONG lHigh = pos.HighPart;
246 DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT);
247 BOOL fOk = TRUE;
248 if (dwNewPos == 0xFFFFFFFF)
249 if (GetLastError() != NO_ERROR)
250 fOk = FALSE;
251 if ((newPos != NULL) && (fOk))
252 {
253 newPos->LowPart = dwNewPos;
254 newPos->HighPart = lHigh;
255 }
256 return fOk;
257 #endif
258 }
259
260 long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
261 {
262 long ret=-1;
263 HANDLE hFile = NULL;
264 if (stream!=NULL)
265 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
266 if (hFile != NULL)
267 {
268 LARGE_INTEGER pos;
269 pos.QuadPart = 0;
270
271 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
272 {
273 DWORD dwErr = GetLastError();
274 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
275 ret = -1;
276 }
277 else
278 ret=(long)pos.LowPart;
279 }
280 return ret;
281 }
282
283 ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
284 {
285 ZPOS64_T ret= (ZPOS64_T)-1;
286 HANDLE hFile = NULL;
287 if (stream!=NULL)
288 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
289
290 if (hFile)
291 {
292 LARGE_INTEGER pos;
293 pos.QuadPart = 0;
294
295 if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
296 {
297 DWORD dwErr = GetLastError();
298 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
299 ret = (ZPOS64_T)-1;
300 }
301 else
302 ret=pos.QuadPart;
303 }
304 return ret;
305 }
306
307
308 long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin)
309 {
310 DWORD dwMoveMethod=0xFFFFFFFF;
311 HANDLE hFile = NULL;
312
313 long ret=-1;
314 if (stream!=NULL)
315 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
316 switch (origin)
317 {
318 case ZLIB_FILEFUNC_SEEK_CUR :
319 dwMoveMethod = FILE_CURRENT;
320 break;
321 case ZLIB_FILEFUNC_SEEK_END :
322 dwMoveMethod = FILE_END;
323 break;
324 case ZLIB_FILEFUNC_SEEK_SET :
325 dwMoveMethod = FILE_BEGIN;
326 break;
327 default: return -1;
328 }
329
330 if (hFile != NULL)
331 {
332 LARGE_INTEGER pos;
333 pos.QuadPart = offset;
334 if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
335 {
336 DWORD dwErr = GetLastError();
337 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
338 ret = -1;
339 }
340 else
341 ret=0;
342 }
343 return ret;
344 }
345
346 long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin)
347 {
348 DWORD dwMoveMethod=0xFFFFFFFF;
349 HANDLE hFile = NULL;
350 long ret=-1;
351
352 if (stream!=NULL)
353 hFile = ((WIN32FILE_IOWIN*)stream)->hf;
354
355 switch (origin)
356 {
357 case ZLIB_FILEFUNC_SEEK_CUR :
358 dwMoveMethod = FILE_CURRENT;
359 break;
360 case ZLIB_FILEFUNC_SEEK_END :
361 dwMoveMethod = FILE_END;
362 break;
363 case ZLIB_FILEFUNC_SEEK_SET :
364 dwMoveMethod = FILE_BEGIN;
365 break;
366 default: return -1;
367 }
368
369 if (hFile)
370 {
371 LARGE_INTEGER pos;
372 pos.QuadPart = offset;
373 if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT))
374 {
375 DWORD dwErr = GetLastError();
376 ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
377 ret = -1;
378 }
379 else
380 ret=0;
381 }
382 return ret;
383 }
384
385 int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream)
386 {
387 int ret=-1;
388
389 if (stream!=NULL)
390 {
391 HANDLE hFile;
392 hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
393 if (hFile != NULL)
394 {
395 CloseHandle(hFile);
396 ret=0;
397 }
398 free(stream);
399 }
400 return ret;
401 }
402
403 int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream)
404 {
405 int ret=-1;
406 if (stream!=NULL)
407 {
408 ret = ((WIN32FILE_IOWIN*)stream) -> error;
409 }
410 return ret;
411 }
412
413 void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
414 {
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;
423 }
424
425 void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def)
426 {
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;
435 }
436
437
438 void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def)
439 {
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;
448 }
449
450
451 void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def)
452 {
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;
461 }