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5ca28f79 L |
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 | ||
da09a436 | 28 | |
de1ab01e | 29 | // see Include/shared/winapifamily.h in the Windows Kit |
da09a436 | 30 | #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) |
de1ab01e | 31 | #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) |
da09a436 JB |
32 | #define IOWIN32_USING_WINRT_API 1 |
33 | #endif | |
34 | #endif | |
35 | ||
5ca28f79 L |
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)); | |
43 | ||
44 | typedef struct | |
45 | { | |
46 | HANDLE hf; | |
47 | int error; | |
48 | } WIN32FILE_IOWIN; | |
49 | ||
50 | ||
51 | static void win32_translate_open_mode(int mode, | |
52 | DWORD* lpdwDesiredAccess, | |
53 | DWORD* lpdwCreationDisposition, | |
54 | DWORD* lpdwShareMode, | |
55 | DWORD* lpdwFlagsAndAttributes) | |
56 | { | |
57 | *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; | |
58 | ||
59 | if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) | |
60 | { | |
61 | *lpdwDesiredAccess = GENERIC_READ; | |
62 | *lpdwCreationDisposition = OPEN_EXISTING; | |
63 | *lpdwShareMode = FILE_SHARE_READ; | |
64 | } | |
65 | else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) | |
66 | { | |
67 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; | |
68 | *lpdwCreationDisposition = OPEN_EXISTING; | |
69 | } | |
70 | else if (mode & ZLIB_FILEFUNC_MODE_CREATE) | |
71 | { | |
72 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; | |
73 | *lpdwCreationDisposition = CREATE_ALWAYS; | |
74 | } | |
75 | } | |
76 | ||
77 | static voidpf win32_build_iowin(HANDLE hFile) | |
78 | { | |
79 | voidpf ret=NULL; | |
80 | ||
81 | if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) | |
82 | { | |
83 | WIN32FILE_IOWIN w32fiow; | |
84 | w32fiow.hf = hFile; | |
85 | w32fiow.error = 0; | |
86 | ret = malloc(sizeof(WIN32FILE_IOWIN)); | |
87 | ||
88 | if (ret==NULL) | |
89 | CloseHandle(hFile); | |
90 | else | |
91 | *((WIN32FILE_IOWIN*)ret) = w32fiow; | |
92 | } | |
93 | return ret; | |
94 | } | |
95 | ||
96 | voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int mode) | |
97 | { | |
98 | const char* mode_fopen = NULL; | |
99 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; | |
100 | HANDLE hFile = NULL; | |
101 | ||
102 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); | |
103 | ||
da09a436 JB |
104 | #ifdef IOWIN32_USING_WINRT_API |
105 | #ifdef UNICODE | |
106 | if ((filename!=NULL) && (dwDesiredAccess != 0)) | |
107 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); | |
108 | #else | |
109 | if ((filename!=NULL) && (dwDesiredAccess != 0)) | |
110 | { | |
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); | |
114 | } | |
115 | #endif | |
116 | #else | |
5ca28f79 L |
117 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
118 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); | |
da09a436 | 119 | #endif |
5ca28f79 L |
120 | |
121 | return win32_build_iowin(hFile); | |
122 | } | |
123 | ||
124 | ||
125 | voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int mode) | |
126 | { | |
127 | const char* mode_fopen = NULL; | |
128 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; | |
129 | HANDLE hFile = NULL; | |
130 | ||
131 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); | |
132 | ||
da09a436 JB |
133 | #ifdef IOWIN32_USING_WINRT_API |
134 | if ((filename!=NULL) && (dwDesiredAccess != 0)) | |
135 | { | |
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); | |
139 | } | |
140 | #else | |
5ca28f79 L |
141 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
142 | hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); | |
da09a436 | 143 | #endif |
5ca28f79 L |
144 | |
145 | return win32_build_iowin(hFile); | |
146 | } | |
147 | ||
148 | ||
149 | voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int mode) | |
150 | { | |
151 | const char* mode_fopen = NULL; | |
152 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; | |
153 | HANDLE hFile = NULL; | |
154 | ||
155 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); | |
156 | ||
da09a436 JB |
157 | #ifdef IOWIN32_USING_WINRT_API |
158 | if ((filename!=NULL) && (dwDesiredAccess != 0)) | |
159 | hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); | |
160 | #else | |
5ca28f79 L |
161 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
162 | hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); | |
da09a436 | 163 | #endif |
5ca28f79 L |
164 | |
165 | return win32_build_iowin(hFile); | |
166 | } | |
167 | ||
168 | ||
169 | voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mode) | |
170 | { | |
171 | const char* mode_fopen = NULL; | |
172 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; | |
173 | HANDLE hFile = NULL; | |
174 | ||
175 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); | |
176 | ||
da09a436 JB |
177 | #ifdef IOWIN32_USING_WINRT_API |
178 | #ifdef UNICODE | |
179 | if ((filename!=NULL) && (dwDesiredAccess != 0)) | |
180 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); | |
181 | #else | |
182 | if ((filename!=NULL) && (dwDesiredAccess != 0)) | |
183 | { | |
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); | |
187 | } | |
188 | #endif | |
189 | #else | |
5ca28f79 L |
190 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
191 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); | |
da09a436 | 192 | #endif |
5ca28f79 L |
193 | |
194 | return win32_build_iowin(hFile); | |
195 | } | |
196 | ||
197 | ||
198 | uLong ZCALLBACK win32_read_file_func (voidpf opaque, voidpf stream, void* buf,uLong size) | |
199 | { | |
200 | uLong ret=0; | |
201 | HANDLE hFile = NULL; | |
202 | if (stream!=NULL) | |
203 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; | |
204 | ||
205 | if (hFile != NULL) | |
206 | { | |
207 | if (!ReadFile(hFile, buf, size, &ret, NULL)) | |
208 | { | |
209 | DWORD dwErr = GetLastError(); | |
210 | if (dwErr == ERROR_HANDLE_EOF) | |
211 | dwErr = 0; | |
212 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; | |
213 | } | |
214 | } | |
215 | ||
216 | return ret; | |
217 | } | |
218 | ||
219 | ||
220 | uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* buf,uLong size) | |
221 | { | |
222 | uLong ret=0; | |
223 | HANDLE hFile = NULL; | |
224 | if (stream!=NULL) | |
225 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; | |
226 | ||
227 | if (hFile != NULL) | |
228 | { | |
229 | if (!WriteFile(hFile, buf, size, &ret, NULL)) | |
230 | { | |
231 | DWORD dwErr = GetLastError(); | |
232 | if (dwErr == ERROR_HANDLE_EOF) | |
233 | dwErr = 0; | |
234 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; | |
235 | } | |
236 | } | |
237 | ||
238 | return ret; | |
239 | } | |
240 | ||
da09a436 JB |
241 | static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) |
242 | { | |
243 | #ifdef IOWIN32_USING_WINRT_API | |
244 | return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); | |
245 | #else | |
246 | LONG lHigh = pos.HighPart; | |
de1ab01e | 247 | DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); |
da09a436 JB |
248 | BOOL fOk = TRUE; |
249 | if (dwNewPos == 0xFFFFFFFF) | |
250 | if (GetLastError() != NO_ERROR) | |
251 | fOk = FALSE; | |
252 | if ((newPos != NULL) && (fOk)) | |
253 | { | |
254 | newPos->LowPart = dwNewPos; | |
255 | newPos->HighPart = lHigh; | |
256 | } | |
257 | return fOk; | |
258 | #endif | |
259 | } | |
260 | ||
5ca28f79 L |
261 | long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream) |
262 | { | |
263 | long ret=-1; | |
264 | HANDLE hFile = NULL; | |
265 | if (stream!=NULL) | |
266 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; | |
267 | if (hFile != NULL) | |
268 | { | |
da09a436 JB |
269 | LARGE_INTEGER pos; |
270 | pos.QuadPart = 0; | |
271 | ||
272 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) | |
5ca28f79 L |
273 | { |
274 | DWORD dwErr = GetLastError(); | |
275 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; | |
276 | ret = -1; | |
277 | } | |
278 | else | |
da09a436 | 279 | ret=(long)pos.LowPart; |
5ca28f79 L |
280 | } |
281 | return ret; | |
282 | } | |
283 | ||
284 | ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream) | |
285 | { | |
286 | ZPOS64_T ret= (ZPOS64_T)-1; | |
287 | HANDLE hFile = NULL; | |
288 | if (stream!=NULL) | |
289 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; | |
290 | ||
291 | if (hFile) | |
292 | { | |
da09a436 JB |
293 | LARGE_INTEGER pos; |
294 | pos.QuadPart = 0; | |
295 | ||
296 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) | |
5ca28f79 L |
297 | { |
298 | DWORD dwErr = GetLastError(); | |
299 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; | |
300 | ret = (ZPOS64_T)-1; | |
301 | } | |
302 | else | |
da09a436 | 303 | ret=pos.QuadPart; |
5ca28f79 L |
304 | } |
305 | return ret; | |
306 | } | |
307 | ||
308 | ||
309 | long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,int origin) | |
310 | { | |
311 | DWORD dwMoveMethod=0xFFFFFFFF; | |
312 | HANDLE hFile = NULL; | |
313 | ||
314 | long ret=-1; | |
315 | if (stream!=NULL) | |
316 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; | |
317 | switch (origin) | |
318 | { | |
319 | case ZLIB_FILEFUNC_SEEK_CUR : | |
320 | dwMoveMethod = FILE_CURRENT; | |
321 | break; | |
322 | case ZLIB_FILEFUNC_SEEK_END : | |
323 | dwMoveMethod = FILE_END; | |
324 | break; | |
325 | case ZLIB_FILEFUNC_SEEK_SET : | |
326 | dwMoveMethod = FILE_BEGIN; | |
327 | break; | |
328 | default: return -1; | |
329 | } | |
330 | ||
331 | if (hFile != NULL) | |
332 | { | |
da09a436 JB |
333 | LARGE_INTEGER pos; |
334 | pos.QuadPart = offset; | |
335 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) | |
5ca28f79 L |
336 | { |
337 | DWORD dwErr = GetLastError(); | |
338 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; | |
339 | ret = -1; | |
340 | } | |
341 | else | |
342 | ret=0; | |
343 | } | |
344 | return ret; | |
345 | } | |
346 | ||
347 | long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T offset,int origin) | |
348 | { | |
349 | DWORD dwMoveMethod=0xFFFFFFFF; | |
350 | HANDLE hFile = NULL; | |
351 | long ret=-1; | |
352 | ||
353 | if (stream!=NULL) | |
354 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; | |
355 | ||
356 | switch (origin) | |
357 | { | |
358 | case ZLIB_FILEFUNC_SEEK_CUR : | |
359 | dwMoveMethod = FILE_CURRENT; | |
360 | break; | |
361 | case ZLIB_FILEFUNC_SEEK_END : | |
362 | dwMoveMethod = FILE_END; | |
363 | break; | |
364 | case ZLIB_FILEFUNC_SEEK_SET : | |
365 | dwMoveMethod = FILE_BEGIN; | |
366 | break; | |
367 | default: return -1; | |
368 | } | |
369 | ||
370 | if (hFile) | |
371 | { | |
da09a436 JB |
372 | LARGE_INTEGER pos; |
373 | pos.QuadPart = offset; | |
de1ab01e | 374 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
5ca28f79 L |
375 | { |
376 | DWORD dwErr = GetLastError(); | |
377 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; | |
378 | ret = -1; | |
379 | } | |
380 | else | |
381 | ret=0; | |
382 | } | |
383 | return ret; | |
384 | } | |
385 | ||
386 | int ZCALLBACK win32_close_file_func (voidpf opaque, voidpf stream) | |
387 | { | |
388 | int ret=-1; | |
389 | ||
390 | if (stream!=NULL) | |
391 | { | |
392 | HANDLE hFile; | |
393 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; | |
394 | if (hFile != NULL) | |
395 | { | |
396 | CloseHandle(hFile); | |
397 | ret=0; | |
398 | } | |
399 | free(stream); | |
400 | } | |
401 | return ret; | |
402 | } | |
403 | ||
404 | int ZCALLBACK win32_error_file_func (voidpf opaque,voidpf stream) | |
405 | { | |
406 | int ret=-1; | |
407 | if (stream!=NULL) | |
408 | { | |
409 | ret = ((WIN32FILE_IOWIN*)stream) -> error; | |
410 | } | |
411 | return ret; | |
412 | } | |
413 | ||
414 | void fill_win32_filefunc (zlib_filefunc_def* pzlib_filefunc_def) | |
415 | { | |
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; | |
424 | } | |
425 | ||
426 | void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) | |
427 | { | |
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; | |
436 | } | |
437 | ||
438 | ||
439 | void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) | |
440 | { | |
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; | |
449 | } | |
450 | ||
451 | ||
452 | void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) | |
453 | { | |
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; | |
462 | } |