1 /* $Id: tif_win32.c,v 1.42 2017-01-11 19:02:49 erouault Exp $ */
2
3 /*
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
6 *
7 * Permission to use, copy, modify, distribute, and sell this software and
8 * its documentation for any purpose is hereby granted without fee, provided
9 * that (i) the above copyright notices and this permission notice appear in
10 * all copies of the software and related documentation, and (ii) the names of
11 * Sam Leffler and Silicon Graphics may not be used in any advertising or
12 * publicity relating to the software without the specific, prior written
13 * permission of Sam Leffler and Silicon Graphics.
14 *
15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24 * OF THIS SOFTWARE.
25 */
26
27 /*
28 * TIFF Library Win32-specific Routines. Adapted from tif_unix.c 4/5/95 by
29 * Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA
30 */
31
32 /*
33 CreateFileA/CreateFileW return type 'HANDLE'.
34
35 thandle_t is declared like
36
37 DECLARE_HANDLE(thandle_t);
38
39 in tiffio.h.
40
41 Windows (from winnt.h) DECLARE_HANDLE logic looks like
42
43 #ifdef STRICT
44 typedef void *HANDLE;
45 #define DECLARE_HANDLE(name) struct name##__ { int unused; }; typedef struct name##__ *name
46 #else
47 typedef PVOID HANDLE;
48 #define DECLARE_HANDLE(name) typedef HANDLE name
49 #endif
50
51 See http://bugzilla.maptools.org/show_bug.cgi?id=1941 for problems in WIN64
52 builds resulting from this. Unfortunately, the proposed patch was lost.
53
54 */
55
56 #include "tiffiop.h"
57
58 #include <windows.h>
59
60 static tmsize_t
_tiffReadProc(thandle_t fd,void * buf,tmsize_t size)61 _tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
62 {
63 /* tmsize_t is 64bit on 64bit systems, but the WinAPI ReadFile takes
64 * 32bit sizes, so we loop through the data in suitable 32bit sized
65 * chunks */
66 uint8* ma;
67 uint64 mb;
68 DWORD n;
69 DWORD o;
70 tmsize_t p;
71 ma=(uint8*)buf;
72 mb=size;
73 p=0;
74 while (mb>0)
75 {
76 n=0x80000000UL;
77 if ((uint64)n>mb)
78 n=(DWORD)mb;
79 if (!ReadFile(fd,(LPVOID)ma,n,&o,NULL))
80 return(0);
81 ma+=o;
82 mb-=o;
83 p+=o;
84 if (o!=n)
85 break;
86 }
87 return(p);
88 }
89
90 static tmsize_t
_tiffWriteProc(thandle_t fd,void * buf,tmsize_t size)91 _tiffWriteProc(thandle_t fd, void* buf, tmsize_t size)
92 {
93 /* tmsize_t is 64bit on 64bit systems, but the WinAPI WriteFile takes
94 * 32bit sizes, so we loop through the data in suitable 32bit sized
95 * chunks */
96 uint8* ma;
97 uint64 mb;
98 DWORD n;
99 DWORD o;
100 tmsize_t p;
101 ma=(uint8*)buf;
102 mb=size;
103 p=0;
104 while (mb>0)
105 {
106 n=0x80000000UL;
107 if ((uint64)n>mb)
108 n=(DWORD)mb;
109 if (!WriteFile(fd,(LPVOID)ma,n,&o,NULL))
110 return(0);
111 ma+=o;
112 mb-=o;
113 p+=o;
114 if (o!=n)
115 break;
116 }
117 return(p);
118 }
119
120 static uint64
_tiffSeekProc(thandle_t fd,uint64 off,int whence)121 _tiffSeekProc(thandle_t fd, uint64 off, int whence)
122 {
123 LARGE_INTEGER offli;
124 DWORD dwMoveMethod;
125 offli.QuadPart = off;
126 switch(whence)
127 {
128 case SEEK_SET:
129 dwMoveMethod = FILE_BEGIN;
130 break;
131 case SEEK_CUR:
132 dwMoveMethod = FILE_CURRENT;
133 break;
134 case SEEK_END:
135 dwMoveMethod = FILE_END;
136 break;
137 default:
138 dwMoveMethod = FILE_BEGIN;
139 break;
140 }
141 offli.LowPart=SetFilePointer(fd,offli.LowPart,&offli.HighPart,dwMoveMethod);
142 if ((offli.LowPart==INVALID_SET_FILE_POINTER)&&(GetLastError()!=NO_ERROR))
143 offli.QuadPart=0;
144 return(offli.QuadPart);
145 }
146
147 static int
_tiffCloseProc(thandle_t fd)148 _tiffCloseProc(thandle_t fd)
149 {
150 return (CloseHandle(fd) ? 0 : -1);
151 }
152
153 static uint64
_tiffSizeProc(thandle_t fd)154 _tiffSizeProc(thandle_t fd)
155 {
156 ULARGE_INTEGER m;
157 m.LowPart=GetFileSize(fd,&m.HighPart);
158 return(m.QuadPart);
159 }
160
161 static int
_tiffDummyMapProc(thandle_t fd,void ** pbase,toff_t * psize)162 _tiffDummyMapProc(thandle_t fd, void** pbase, toff_t* psize)
163 {
164 (void) fd;
165 (void) pbase;
166 (void) psize;
167 return (0);
168 }
169
170 /*
171 * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
172 *
173 * Windows uses both a handle and a pointer for file mapping,
174 * but according to the SDK documentation and Richter's book
175 * "Advanced Windows Programming" it is safe to free the handle
176 * after obtaining the file mapping pointer
177 *
178 * This removes a nasty OS dependency and cures a problem
179 * with Visual C++ 5.0
180 */
181 static int
_tiffMapProc(thandle_t fd,void ** pbase,toff_t * psize)182 _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
183 {
184 uint64 size;
185 tmsize_t sizem;
186 HANDLE hMapFile;
187
188 size = _tiffSizeProc(fd);
189 sizem = (tmsize_t)size;
190 if ((uint64)sizem!=size)
191 return (0);
192
193 /* By passing in 0 for the maximum file size, it specifies that we
194 create a file mapping object for the full file size. */
195 hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, 0, NULL);
196 if (hMapFile == NULL)
197 return (0);
198 *pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
199 CloseHandle(hMapFile);
200 if (*pbase == NULL)
201 return (0);
202 *psize = size;
203 return(1);
204 }
205
206 static void
_tiffDummyUnmapProc(thandle_t fd,void * base,toff_t size)207 _tiffDummyUnmapProc(thandle_t fd, void* base, toff_t size)
208 {
209 (void) fd;
210 (void) base;
211 (void) size;
212 }
213
214 static void
_tiffUnmapProc(thandle_t fd,void * base,toff_t size)215 _tiffUnmapProc(thandle_t fd, void* base, toff_t size)
216 {
217 (void) fd;
218 (void) size;
219 UnmapViewOfFile(base);
220 }
221
222 /*
223 * Open a TIFF file descriptor for read/writing.
224 * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
225 * string, which forces the file to be opened unmapped.
226 */
227 TIFF*
TIFFFdOpen(int ifd,const char * name,const char * mode)228 TIFFFdOpen(int ifd, const char* name, const char* mode)
229 {
230 TIFF* tif;
231 int fSuppressMap;
232 int m;
233 fSuppressMap=0;
234 for (m=0; mode[m]!=0; m++)
235 {
236 if (mode[m]=='u')
237 {
238 fSuppressMap=1;
239 break;
240 }
241 }
242 tif = TIFFClientOpen(name, mode, (thandle_t)ifd, /* FIXME: WIN64 cast to pointer warning */
243 _tiffReadProc, _tiffWriteProc,
244 _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
245 fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
246 fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
247 if (tif)
248 tif->tif_fd = ifd;
249 return (tif);
250 }
251
252 #ifndef _WIN32_WCE
253
254 /*
255 * Open a TIFF file for read/writing.
256 */
257 TIFF*
TIFFOpen(const char * name,const char * mode)258 TIFFOpen(const char* name, const char* mode)
259 {
260 static const char module[] = "TIFFOpen";
261 thandle_t fd;
262 int m;
263 DWORD dwMode;
264 TIFF* tif;
265
266 m = _TIFFgetMode(mode, module);
267
268 switch(m) {
269 case O_RDONLY: dwMode = OPEN_EXISTING; break;
270 case O_RDWR: dwMode = OPEN_ALWAYS; break;
271 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
272 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
273 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
274 default: return ((TIFF*)0);
275 }
276
277 fd = (thandle_t)CreateFileA(name,
278 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
279 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
280 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
281 NULL);
282 if (fd == INVALID_HANDLE_VALUE) {
283 TIFFErrorExt(0, module, "%s: Cannot open", name);
284 return ((TIFF *)0);
285 }
286
287 tif = TIFFFdOpen((int)fd, name, mode); /* FIXME: WIN64 cast from pointer to int warning */
288 if(!tif)
289 CloseHandle(fd);
290 return tif;
291 }
292
293 /*
294 * Open a TIFF file with a Unicode filename, for read/writing.
295 */
296 TIFF*
TIFFOpenW(const wchar_t * name,const char * mode)297 TIFFOpenW(const wchar_t* name, const char* mode)
298 {
299 static const char module[] = "TIFFOpenW";
300 thandle_t fd;
301 int m;
302 DWORD dwMode;
303 int mbsize;
304 char *mbname;
305 TIFF *tif;
306
307 m = _TIFFgetMode(mode, module);
308
309 switch(m) {
310 case O_RDONLY: dwMode = OPEN_EXISTING; break;
311 case O_RDWR: dwMode = OPEN_ALWAYS; break;
312 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
313 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
314 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
315 default: return ((TIFF*)0);
316 }
317
318 fd = (thandle_t)CreateFileW(name,
319 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
320 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
321 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
322 NULL);
323 if (fd == INVALID_HANDLE_VALUE) {
324 TIFFErrorExt(0, module, "%S: Cannot open", name);
325 return ((TIFF *)0);
326 }
327
328 mbname = NULL;
329 mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
330 if (mbsize > 0) {
331 mbname = (char *)_TIFFmalloc(mbsize);
332 if (!mbname) {
333 TIFFErrorExt(0, module,
334 "Can't allocate space for filename conversion buffer");
335 return ((TIFF*)0);
336 }
337
338 WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
339 NULL, NULL);
340 }
341
342 tif = TIFFFdOpen((int)fd, /* FIXME: WIN64 cast from pointer to int warning */
343 (mbname != NULL) ? mbname : "<unknown>", mode);
344 if(!tif)
345 CloseHandle(fd);
346
347 _TIFFfree(mbname);
348
349 return tif;
350 }
351
352 #endif /* ndef _WIN32_WCE */
353
354 void*
_TIFFmalloc(tmsize_t s)355 _TIFFmalloc(tmsize_t s)
356 {
357 if (s == 0)
358 return ((void *) NULL);
359
360 return (malloc((size_t) s));
361 }
362
_TIFFcalloc(tmsize_t nmemb,tmsize_t siz)363 void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
364 {
365 if( nmemb == 0 || siz == 0 )
366 return ((void *) NULL);
367
368 return calloc((size_t) nmemb, (size_t)siz);
369 }
370
371 void
_TIFFfree(void * p)372 _TIFFfree(void* p)
373 {
374 free(p);
375 }
376
377 void*
_TIFFrealloc(void * p,tmsize_t s)378 _TIFFrealloc(void* p, tmsize_t s)
379 {
380 return (realloc(p, (size_t) s));
381 }
382
383 void
_TIFFmemset(void * p,int v,tmsize_t c)384 _TIFFmemset(void* p, int v, tmsize_t c)
385 {
386 memset(p, v, (size_t) c);
387 }
388
389 void
_TIFFmemcpy(void * d,const void * s,tmsize_t c)390 _TIFFmemcpy(void* d, const void* s, tmsize_t c)
391 {
392 memcpy(d, s, (size_t) c);
393 }
394
395 int
_TIFFmemcmp(const void * p1,const void * p2,tmsize_t c)396 _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c)
397 {
398 return (memcmp(p1, p2, (size_t) c));
399 }
400
401 #ifndef _WIN32_WCE
402
403 #if (_MSC_VER < 1500)
404 # define vsnprintf _vsnprintf
405 #endif
406
407 static void
Win32WarningHandler(const char * module,const char * fmt,va_list ap)408 Win32WarningHandler(const char* module, const char* fmt, va_list ap)
409 {
410 #ifndef TIF_PLATFORM_CONSOLE
411 LPTSTR szTitle;
412 LPTSTR szTmp;
413 LPCTSTR szTitleText = "%s Warning";
414 LPCTSTR szDefaultModule = "LIBTIFF";
415 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
416 SIZE_T nBufSize = (strlen(szTmpModule) +
417 strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
418
419 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
420 return;
421 sprintf(szTitle, szTitleText, szTmpModule);
422 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
423 vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
424 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
425 LocalFree(szTitle);
426
427 return;
428 #else
429 if (module != NULL)
430 fprintf(stderr, "%s: ", module);
431 fprintf(stderr, "Warning, ");
432 vfprintf(stderr, fmt, ap);
433 fprintf(stderr, ".\n");
434 #endif
435 }
436 TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
437
438 static void
Win32ErrorHandler(const char * module,const char * fmt,va_list ap)439 Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
440 {
441 #ifndef TIF_PLATFORM_CONSOLE
442 LPTSTR szTitle;
443 LPTSTR szTmp;
444 LPCTSTR szTitleText = "%s Error";
445 LPCTSTR szDefaultModule = "LIBTIFF";
446 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
447 SIZE_T nBufSize = (strlen(szTmpModule) +
448 strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
449
450 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
451 return;
452 sprintf(szTitle, szTitleText, szTmpModule);
453 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
454 vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
455 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
456 LocalFree(szTitle);
457 return;
458 #else
459 if (module != NULL)
460 fprintf(stderr, "%s: ", module);
461 vfprintf(stderr, fmt, ap);
462 fprintf(stderr, ".\n");
463 #endif
464 }
465 TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
466
467 #endif /* ndef _WIN32_WCE */
468
469 /* vim: set ts=8 sts=8 sw=8 noet: */
470 /*
471 * Local Variables:
472 * mode: c
473 * c-basic-offset: 8
474 * fill-column: 78
475 * End:
476 */
477