9e052883 |
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 | // see Include/shared/winapifamily.h in the Windows Kit |
30 | #if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) |
31 | |
32 | #if !defined(WINAPI_FAMILY_ONE_PARTITION) |
33 | #define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition) |
34 | #endif |
35 | |
36 | #if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) |
37 | #define IOWIN32_USING_WINRT_API 1 |
38 | #endif |
39 | #endif |
40 | |
9e052883 |
41 | typedef struct |
42 | { |
43 | HANDLE hf; |
44 | int error; |
45 | } WIN32FILE_IOWIN; |
46 | |
47 | |
48 | static void win32_translate_open_mode(int mode, |
49 | DWORD* lpdwDesiredAccess, |
50 | DWORD* lpdwCreationDisposition, |
51 | DWORD* lpdwShareMode, |
648db22b |
52 | DWORD* lpdwFlagsAndAttributes) { |
9e052883 |
53 | *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; |
54 | |
55 | if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) |
56 | { |
57 | *lpdwDesiredAccess = GENERIC_READ; |
58 | *lpdwCreationDisposition = OPEN_EXISTING; |
59 | *lpdwShareMode = FILE_SHARE_READ; |
60 | } |
61 | else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) |
62 | { |
63 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
64 | *lpdwCreationDisposition = OPEN_EXISTING; |
65 | } |
66 | else if (mode & ZLIB_FILEFUNC_MODE_CREATE) |
67 | { |
68 | *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; |
69 | *lpdwCreationDisposition = CREATE_ALWAYS; |
70 | } |
71 | } |
72 | |
648db22b |
73 | static voidpf win32_build_iowin(HANDLE hFile) { |
9e052883 |
74 | voidpf ret=NULL; |
75 | |
76 | if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) |
77 | { |
78 | WIN32FILE_IOWIN w32fiow; |
79 | w32fiow.hf = hFile; |
80 | w32fiow.error = 0; |
81 | ret = malloc(sizeof(WIN32FILE_IOWIN)); |
82 | |
83 | if (ret==NULL) |
84 | CloseHandle(hFile); |
85 | else |
86 | *((WIN32FILE_IOWIN*)ret) = w32fiow; |
87 | } |
88 | return ret; |
89 | } |
90 | |
648db22b |
91 | voidpf ZCALLBACK win32_open64_file_func(voidpf opaque, const void* filename, int mode) { |
9e052883 |
92 | const char* mode_fopen = NULL; |
93 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
94 | HANDLE hFile = NULL; |
95 | |
96 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
97 | |
98 | #ifdef IOWIN32_USING_WINRT_API |
99 | #ifdef UNICODE |
100 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
101 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
102 | #else |
103 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
104 | { |
105 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
106 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
107 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
108 | } |
109 | #endif |
110 | #else |
111 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
112 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
113 | #endif |
114 | |
115 | return win32_build_iowin(hFile); |
116 | } |
117 | |
118 | |
648db22b |
119 | voidpf ZCALLBACK win32_open64_file_funcA(voidpf opaque, const void* filename, int mode) { |
9e052883 |
120 | const char* mode_fopen = NULL; |
121 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
122 | HANDLE hFile = NULL; |
123 | |
124 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
125 | |
126 | #ifdef IOWIN32_USING_WINRT_API |
127 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
128 | { |
129 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
130 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
131 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
132 | } |
133 | #else |
134 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
135 | hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
136 | #endif |
137 | |
138 | return win32_build_iowin(hFile); |
139 | } |
140 | |
141 | |
648db22b |
142 | voidpf ZCALLBACK win32_open64_file_funcW(voidpf opaque, const void* filename, int mode) { |
9e052883 |
143 | const char* mode_fopen = NULL; |
144 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
145 | HANDLE hFile = NULL; |
146 | |
147 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
148 | |
149 | #ifdef IOWIN32_USING_WINRT_API |
150 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
151 | hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); |
152 | #else |
153 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
154 | hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
155 | #endif |
156 | |
157 | return win32_build_iowin(hFile); |
158 | } |
159 | |
160 | |
648db22b |
161 | voidpf ZCALLBACK win32_open_file_func(voidpf opaque, const char* filename, int mode) { |
9e052883 |
162 | const char* mode_fopen = NULL; |
163 | DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; |
164 | HANDLE hFile = NULL; |
165 | |
166 | win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); |
167 | |
168 | #ifdef IOWIN32_USING_WINRT_API |
169 | #ifdef UNICODE |
170 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
171 | hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
172 | #else |
173 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
174 | { |
175 | WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; |
176 | MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); |
177 | hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); |
178 | } |
179 | #endif |
180 | #else |
181 | if ((filename!=NULL) && (dwDesiredAccess != 0)) |
182 | hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); |
183 | #endif |
184 | |
185 | return win32_build_iowin(hFile); |
186 | } |
187 | |
188 | |
648db22b |
189 | uLong ZCALLBACK win32_read_file_func(voidpf opaque, voidpf stream, void* buf,uLong size) { |
9e052883 |
190 | uLong ret=0; |
191 | HANDLE hFile = NULL; |
192 | if (stream!=NULL) |
193 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
194 | |
195 | if (hFile != NULL) |
196 | { |
197 | if (!ReadFile(hFile, buf, size, &ret, NULL)) |
198 | { |
199 | DWORD dwErr = GetLastError(); |
200 | if (dwErr == ERROR_HANDLE_EOF) |
201 | dwErr = 0; |
202 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
203 | } |
204 | } |
205 | |
206 | return ret; |
207 | } |
208 | |
209 | |
648db22b |
210 | uLong ZCALLBACK win32_write_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) { |
9e052883 |
211 | uLong ret=0; |
212 | HANDLE hFile = NULL; |
213 | if (stream!=NULL) |
214 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
215 | |
216 | if (hFile != NULL) |
217 | { |
218 | if (!WriteFile(hFile, buf, size, &ret, NULL)) |
219 | { |
220 | DWORD dwErr = GetLastError(); |
221 | if (dwErr == ERROR_HANDLE_EOF) |
222 | dwErr = 0; |
223 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
224 | } |
225 | } |
226 | |
227 | return ret; |
228 | } |
229 | |
648db22b |
230 | static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) { |
9e052883 |
231 | #ifdef IOWIN32_USING_WINRT_API |
232 | return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); |
233 | #else |
234 | LONG lHigh = pos.HighPart; |
235 | DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); |
236 | BOOL fOk = TRUE; |
237 | if (dwNewPos == 0xFFFFFFFF) |
238 | if (GetLastError() != NO_ERROR) |
239 | fOk = FALSE; |
240 | if ((newPos != NULL) && (fOk)) |
241 | { |
242 | newPos->LowPart = dwNewPos; |
243 | newPos->HighPart = lHigh; |
244 | } |
245 | return fOk; |
246 | #endif |
247 | } |
248 | |
648db22b |
249 | long ZCALLBACK win32_tell_file_func(voidpf opaque, voidpf stream) { |
9e052883 |
250 | long ret=-1; |
251 | HANDLE hFile = NULL; |
252 | if (stream!=NULL) |
253 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
254 | if (hFile != NULL) |
255 | { |
256 | LARGE_INTEGER pos; |
257 | pos.QuadPart = 0; |
258 | |
259 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
260 | { |
261 | DWORD dwErr = GetLastError(); |
262 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
263 | ret = -1; |
264 | } |
265 | else |
266 | ret=(long)pos.LowPart; |
267 | } |
268 | return ret; |
269 | } |
270 | |
648db22b |
271 | ZPOS64_T ZCALLBACK win32_tell64_file_func(voidpf opaque, voidpf stream) { |
9e052883 |
272 | ZPOS64_T ret= (ZPOS64_T)-1; |
273 | HANDLE hFile = NULL; |
274 | if (stream!=NULL) |
275 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
276 | |
277 | if (hFile) |
278 | { |
279 | LARGE_INTEGER pos; |
280 | pos.QuadPart = 0; |
281 | |
282 | if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) |
283 | { |
284 | DWORD dwErr = GetLastError(); |
285 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
286 | ret = (ZPOS64_T)-1; |
287 | } |
288 | else |
289 | ret=pos.QuadPart; |
290 | } |
291 | return ret; |
292 | } |
293 | |
294 | |
648db22b |
295 | long ZCALLBACK win32_seek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) { |
9e052883 |
296 | DWORD dwMoveMethod=0xFFFFFFFF; |
297 | HANDLE hFile = NULL; |
298 | |
299 | long ret=-1; |
300 | if (stream!=NULL) |
301 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
302 | switch (origin) |
303 | { |
304 | case ZLIB_FILEFUNC_SEEK_CUR : |
305 | dwMoveMethod = FILE_CURRENT; |
306 | break; |
307 | case ZLIB_FILEFUNC_SEEK_END : |
308 | dwMoveMethod = FILE_END; |
309 | break; |
310 | case ZLIB_FILEFUNC_SEEK_SET : |
311 | dwMoveMethod = FILE_BEGIN; |
312 | break; |
313 | default: return -1; |
314 | } |
315 | |
316 | if (hFile != NULL) |
317 | { |
318 | LARGE_INTEGER pos; |
319 | pos.QuadPart = offset; |
320 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
321 | { |
322 | DWORD dwErr = GetLastError(); |
323 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
324 | ret = -1; |
325 | } |
326 | else |
327 | ret=0; |
328 | } |
329 | return ret; |
330 | } |
331 | |
648db22b |
332 | long ZCALLBACK win32_seek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) { |
9e052883 |
333 | DWORD dwMoveMethod=0xFFFFFFFF; |
334 | HANDLE hFile = NULL; |
335 | long ret=-1; |
336 | |
337 | if (stream!=NULL) |
338 | hFile = ((WIN32FILE_IOWIN*)stream)->hf; |
339 | |
340 | switch (origin) |
341 | { |
342 | case ZLIB_FILEFUNC_SEEK_CUR : |
343 | dwMoveMethod = FILE_CURRENT; |
344 | break; |
345 | case ZLIB_FILEFUNC_SEEK_END : |
346 | dwMoveMethod = FILE_END; |
347 | break; |
348 | case ZLIB_FILEFUNC_SEEK_SET : |
349 | dwMoveMethod = FILE_BEGIN; |
350 | break; |
351 | default: return -1; |
352 | } |
353 | |
354 | if (hFile) |
355 | { |
356 | LARGE_INTEGER pos; |
357 | pos.QuadPart = offset; |
358 | if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) |
359 | { |
360 | DWORD dwErr = GetLastError(); |
361 | ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; |
362 | ret = -1; |
363 | } |
364 | else |
365 | ret=0; |
366 | } |
367 | return ret; |
368 | } |
369 | |
648db22b |
370 | int ZCALLBACK win32_close_file_func(voidpf opaque, voidpf stream) { |
9e052883 |
371 | int ret=-1; |
372 | |
373 | if (stream!=NULL) |
374 | { |
375 | HANDLE hFile; |
376 | hFile = ((WIN32FILE_IOWIN*)stream) -> hf; |
377 | if (hFile != NULL) |
378 | { |
379 | CloseHandle(hFile); |
380 | ret=0; |
381 | } |
382 | free(stream); |
383 | } |
384 | return ret; |
385 | } |
386 | |
648db22b |
387 | int ZCALLBACK win32_error_file_func(voidpf opaque, voidpf stream) { |
9e052883 |
388 | int ret=-1; |
389 | if (stream!=NULL) |
390 | { |
391 | ret = ((WIN32FILE_IOWIN*)stream) -> error; |
392 | } |
393 | return ret; |
394 | } |
395 | |
648db22b |
396 | void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def) { |
9e052883 |
397 | pzlib_filefunc_def->zopen_file = win32_open_file_func; |
398 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
399 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
400 | pzlib_filefunc_def->ztell_file = win32_tell_file_func; |
401 | pzlib_filefunc_def->zseek_file = win32_seek_file_func; |
402 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
403 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
404 | pzlib_filefunc_def->opaque = NULL; |
405 | } |
406 | |
648db22b |
407 | void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) { |
9e052883 |
408 | pzlib_filefunc_def->zopen64_file = win32_open64_file_func; |
409 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
410 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
411 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
412 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
413 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
414 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
415 | pzlib_filefunc_def->opaque = NULL; |
416 | } |
417 | |
418 | |
648db22b |
419 | void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) { |
9e052883 |
420 | pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; |
421 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
422 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
423 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
424 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
425 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
426 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
427 | pzlib_filefunc_def->opaque = NULL; |
428 | } |
429 | |
430 | |
648db22b |
431 | void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) { |
9e052883 |
432 | pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; |
433 | pzlib_filefunc_def->zread_file = win32_read_file_func; |
434 | pzlib_filefunc_def->zwrite_file = win32_write_file_func; |
435 | pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; |
436 | pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; |
437 | pzlib_filefunc_def->zclose_file = win32_close_file_func; |
438 | pzlib_filefunc_def->zerror_file = win32_error_file_func; |
439 | pzlib_filefunc_def->opaque = NULL; |
440 | } |