1 /* $Id: tif_win32.c,v 1.39 2011-12-22 17:07:57 bfriesen 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 #include "tiffiop.h"
32
33 #include <windows.h>
34
35 static tmsize_t
_tiffReadProc(thandle_t fd,void * buf,tmsize_t size)36 _tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
37 {
38 /* tmsize_t is 64bit on 64bit systems, but the WinAPI ReadFile takes
39 * 32bit sizes, so we loop through the data in suitable 32bit sized
40 * chunks */
41 uint8* ma;
42 uint64 mb;
43 DWORD n;
44 DWORD o;
45 tmsize_t p;
46 ma=(uint8*)buf;
47 mb=size;
48 p=0;
49 while (mb>0)
50 {
51 n=0x80000000UL;
52 if ((uint64)n>mb)
53 n=(DWORD)mb;
54 if (!ReadFile(fd,(LPVOID)ma,n,&o,NULL))
55 return(0);
56 ma+=o;
57 mb-=o;
58 p+=o;
59 if (o!=n)
60 break;
61 }
62 return(p);
63 }
64
65 static tmsize_t
_tiffWriteProc(thandle_t fd,void * buf,tmsize_t size)66 _tiffWriteProc(thandle_t fd, void* buf, tmsize_t size)
67 {
68 /* tmsize_t is 64bit on 64bit systems, but the WinAPI WriteFile takes
69 * 32bit sizes, so we loop through the data in suitable 32bit sized
70 * chunks */
71 uint8* ma;
72 uint64 mb;
73 DWORD n;
74 DWORD o;
75 tmsize_t p;
76 ma=(uint8*)buf;
77 mb=size;
78 p=0;
79 while (mb>0)
80 {
81 n=0x80000000UL;
82 if ((uint64)n>mb)
83 n=(DWORD)mb;
84 if (!WriteFile(fd,(LPVOID)ma,n,&o,NULL))
85 return(0);
86 ma+=o;
87 mb-=o;
88 p+=o;
89 if (o!=n)
90 break;
91 }
92 return(p);
93 }
94
95 static uint64
_tiffSeekProc(thandle_t fd,uint64 off,int whence)96 _tiffSeekProc(thandle_t fd, uint64 off, int whence)
97 {
98 LARGE_INTEGER offli;
99 DWORD dwMoveMethod;
100 offli.QuadPart = off;
101 switch(whence)
102 {
103 case SEEK_SET:
104 dwMoveMethod = FILE_BEGIN;
105 break;
106 case SEEK_CUR:
107 dwMoveMethod = FILE_CURRENT;
108 break;
109 case SEEK_END:
110 dwMoveMethod = FILE_END;
111 break;
112 default:
113 dwMoveMethod = FILE_BEGIN;
114 break;
115 }
116 offli.LowPart=SetFilePointer(fd,offli.LowPart,&offli.HighPart,dwMoveMethod);
117 if ((offli.LowPart==INVALID_SET_FILE_POINTER)&&(GetLastError()!=NO_ERROR))
118 offli.QuadPart=0;
119 return(offli.QuadPart);
120 }
121
122 static int
_tiffCloseProc(thandle_t fd)123 _tiffCloseProc(thandle_t fd)
124 {
125 return (CloseHandle(fd) ? 0 : -1);
126 }
127
128 static uint64
_tiffSizeProc(thandle_t fd)129 _tiffSizeProc(thandle_t fd)
130 {
131 ULARGE_INTEGER m;
132 m.LowPart=GetFileSize(fd,&m.HighPart);
133 return(m.QuadPart);
134 }
135
136 static int
_tiffDummyMapProc(thandle_t fd,void ** pbase,toff_t * psize)137 _tiffDummyMapProc(thandle_t fd, void** pbase, toff_t* psize)
138 {
139 (void) fd;
140 (void) pbase;
141 (void) psize;
142 return (0);
143 }
144
145 /*
146 * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
147 *
148 * Windows uses both a handle and a pointer for file mapping,
149 * but according to the SDK documentation and Richter's book
150 * "Advanced Windows Programming" it is safe to free the handle
151 * after obtaining the file mapping pointer
152 *
153 * This removes a nasty OS dependency and cures a problem
154 * with Visual C++ 5.0
155 */
156 static int
_tiffMapProc(thandle_t fd,void ** pbase,toff_t * psize)157 _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
158 {
159 uint64 size;
160 tmsize_t sizem;
161 HANDLE hMapFile;
162
163 size = _tiffSizeProc(fd);
164 sizem = (tmsize_t)size;
165 if ((uint64)sizem!=size)
166 return (0);
167
168 /* By passing in 0 for the maximum file size, it specifies that we
169 create a file mapping object for the full file size. */
170 hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, 0, NULL);
171 if (hMapFile == NULL)
172 return (0);
173 *pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
174 CloseHandle(hMapFile);
175 if (*pbase == NULL)
176 return (0);
177 *psize = size;
178 return(1);
179 }
180
181 static void
_tiffDummyUnmapProc(thandle_t fd,void * base,toff_t size)182 _tiffDummyUnmapProc(thandle_t fd, void* base, toff_t size)
183 {
184 (void) fd;
185 (void) base;
186 (void) size;
187 }
188
189 static void
_tiffUnmapProc(thandle_t fd,void * base,toff_t size)190 _tiffUnmapProc(thandle_t fd, void* base, toff_t size)
191 {
192 (void) fd;
193 (void) size;
194 UnmapViewOfFile(base);
195 }
196
197 /*
198 * Open a TIFF file descriptor for read/writing.
199 * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
200 * string, which forces the file to be opened unmapped.
201 */
202 TIFF*
TIFFFdOpen(int ifd,const char * name,const char * mode)203 TIFFFdOpen(int ifd, const char* name, const char* mode)
204 {
205 TIFF* tif;
206 int fSuppressMap;
207 int m;
208 fSuppressMap=0;
209 for (m=0; mode[m]!=0; m++)
210 {
211 if (mode[m]=='u')
212 {
213 fSuppressMap=1;
214 break;
215 }
216 }
217 tif = TIFFClientOpen(name, mode, (thandle_t)ifd,
218 _tiffReadProc, _tiffWriteProc,
219 _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
220 fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
221 fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
222 if (tif)
223 tif->tif_fd = ifd;
224 return (tif);
225 }
226
227 #ifndef _WIN32_WCE
228
229 /*
230 * Open a TIFF file for read/writing.
231 */
232 TIFF*
TIFFOpen(const char * name,const char * mode)233 TIFFOpen(const char* name, const char* mode)
234 {
235 static const char module[] = "TIFFOpen";
236 thandle_t fd;
237 int m;
238 DWORD dwMode;
239 TIFF* tif;
240
241 m = _TIFFgetMode(mode, module);
242
243 switch(m) {
244 case O_RDONLY: dwMode = OPEN_EXISTING; break;
245 case O_RDWR: dwMode = OPEN_ALWAYS; break;
246 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
247 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
248 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
249 default: return ((TIFF*)0);
250 }
251
252 fd = (thandle_t)CreateFileA(name,
253 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
254 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
255 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
256 NULL);
257 if (fd == INVALID_HANDLE_VALUE) {
258 TIFFErrorExt(0, module, "%s: Cannot open", name);
259 return ((TIFF *)0);
260 }
261
262 tif = TIFFFdOpen((int)fd, name, mode);
263 if(!tif)
264 CloseHandle(fd);
265 return tif;
266 }
267
268 /*
269 * Open a TIFF file with a Unicode filename, for read/writing.
270 */
271 TIFF*
TIFFOpenW(const wchar_t * name,const char * mode)272 TIFFOpenW(const wchar_t* name, const char* mode)
273 {
274 static const char module[] = "TIFFOpenW";
275 thandle_t fd;
276 int m;
277 DWORD dwMode;
278 int mbsize;
279 char *mbname;
280 TIFF *tif;
281
282 m = _TIFFgetMode(mode, module);
283
284 switch(m) {
285 case O_RDONLY: dwMode = OPEN_EXISTING; break;
286 case O_RDWR: dwMode = OPEN_ALWAYS; break;
287 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
288 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
289 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
290 default: return ((TIFF*)0);
291 }
292
293 fd = (thandle_t)CreateFileW(name,
294 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
295 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
296 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
297 NULL);
298 if (fd == INVALID_HANDLE_VALUE) {
299 TIFFErrorExt(0, module, "%S: Cannot open", name);
300 return ((TIFF *)0);
301 }
302
303 mbname = NULL;
304 mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
305 if (mbsize > 0) {
306 mbname = (char *)_TIFFmalloc(mbsize);
307 if (!mbname) {
308 TIFFErrorExt(0, module,
309 "Can't allocate space for filename conversion buffer");
310 return ((TIFF*)0);
311 }
312
313 WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
314 NULL, NULL);
315 }
316
317 tif = TIFFFdOpen((int)fd,
318 (mbname != NULL) ? mbname : "<unknown>", mode);
319 if(!tif)
320 CloseHandle(fd);
321
322 _TIFFfree(mbname);
323
324 return tif;
325 }
326
327 #endif /* ndef _WIN32_WCE */
328
329 void*
_TIFFmalloc(tmsize_t s)330 _TIFFmalloc(tmsize_t s)
331 {
332 return (malloc((size_t) s));
333 }
334
335 void
_TIFFfree(void * p)336 _TIFFfree(void* p)
337 {
338 free(p);
339 }
340
341 void*
_TIFFrealloc(void * p,tmsize_t s)342 _TIFFrealloc(void* p, tmsize_t s)
343 {
344 return (realloc(p, (size_t) s));
345 }
346
347 void
_TIFFmemset(void * p,int v,tmsize_t c)348 _TIFFmemset(void* p, int v, tmsize_t c)
349 {
350 memset(p, v, (size_t) c);
351 }
352
353 void
_TIFFmemcpy(void * d,const void * s,tmsize_t c)354 _TIFFmemcpy(void* d, const void* s, tmsize_t c)
355 {
356 memcpy(d, s, (size_t) c);
357 }
358
359 int
_TIFFmemcmp(const void * p1,const void * p2,tmsize_t c)360 _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c)
361 {
362 return (memcmp(p1, p2, (size_t) c));
363 }
364
365 #ifndef _WIN32_WCE
366
367 #if (_MSC_VER < 1500)
368 # define vsnprintf _vsnprintf
369 #endif
370
371 static void
Win32WarningHandler(const char * module,const char * fmt,va_list ap)372 Win32WarningHandler(const char* module, const char* fmt, va_list ap)
373 {
374 #ifndef TIF_PLATFORM_CONSOLE
375 LPTSTR szTitle;
376 LPTSTR szTmp;
377 LPCTSTR szTitleText = "%s Warning";
378 LPCTSTR szDefaultModule = "LIBTIFF";
379 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
380 SIZE_T nBufSize = (strlen(szTmpModule) +
381 strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
382
383 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
384 return;
385 sprintf(szTitle, szTitleText, szTmpModule);
386 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
387 vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
388 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
389 LocalFree(szTitle);
390
391 return;
392 #else
393 if (module != NULL)
394 fprintf(stderr, "%s: ", module);
395 fprintf(stderr, "Warning, ");
396 vfprintf(stderr, fmt, ap);
397 fprintf(stderr, ".\n");
398 #endif
399 }
400 TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
401
402 static void
Win32ErrorHandler(const char * module,const char * fmt,va_list ap)403 Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
404 {
405 #ifndef TIF_PLATFORM_CONSOLE
406 LPTSTR szTitle;
407 LPTSTR szTmp;
408 LPCTSTR szTitleText = "%s Error";
409 LPCTSTR szDefaultModule = "LIBTIFF";
410 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
411 SIZE_T nBufSize = (strlen(szTmpModule) +
412 strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
413
414 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
415 return;
416 sprintf(szTitle, szTitleText, szTmpModule);
417 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
418 vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
419 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
420 LocalFree(szTitle);
421 return;
422 #else
423 if (module != NULL)
424 fprintf(stderr, "%s: ", module);
425 vfprintf(stderr, fmt, ap);
426 fprintf(stderr, ".\n");
427 #endif
428 }
429 TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
430
431 #endif /* ndef _WIN32_WCE */
432
433 /* vim: set ts=8 sts=8 sw=8 noet: */
434 /*
435 * Local Variables:
436 * mode: c
437 * c-basic-offset: 8
438 * fill-column: 78
439 * End:
440 */
441