ReactOS 0.4.16-dev-1506-g117cd33
tif_dirread.c
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1/*
2 * Copyright (c) 1988-1997 Sam Leffler
3 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and
6 * its documentation for any purpose is hereby granted without fee, provided
7 * that (i) the above copyright notices and this permission notice appear in
8 * all copies of the software and related documentation, and (ii) the names of
9 * Sam Leffler and Silicon Graphics may not be used in any advertising or
10 * publicity relating to the software without the specific, prior written
11 * permission of Sam Leffler and Silicon Graphics.
12 *
13 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22 * OF THIS SOFTWARE.
23 */
24
25/*
26 * TIFF Library.
27 *
28 * Directory Read Support Routines.
29 */
30
31/* Suggested pending improvements:
32 * - add a field 'field_info' to the TIFFDirEntry structure, and set that with
33 * the pointer to the appropriate TIFFField structure early on in
34 * TIFFReadDirectory, so as to eliminate current possibly repetitive lookup.
35 */
36
37#include <precomp.h>
38#include <float.h>
39#include <stdlib.h>
40
41#define FAILED_FII ((uint32) -1)
42
43/*
44 * Largest 64-bit signed integer value.
45 */
46#define TIFF_INT64_MAX ((int64)(TIFF_UINT64_MAX >> 1))
47
48#ifdef HAVE_IEEEFP
49# define TIFFCvtIEEEFloatToNative(tif, n, fp)
50# define TIFFCvtIEEEDoubleToNative(tif, n, dp)
51#else
52extern void TIFFCvtIEEEFloatToNative(TIFF*, uint32, float*);
53extern void TIFFCvtIEEEDoubleToNative(TIFF*, uint32, double*);
54#endif
55
56enum TIFFReadDirEntryErr {
57 TIFFReadDirEntryErrOk = 0,
58 TIFFReadDirEntryErrCount = 1,
59 TIFFReadDirEntryErrType = 2,
60 TIFFReadDirEntryErrIo = 3,
61 TIFFReadDirEntryErrRange = 4,
62 TIFFReadDirEntryErrPsdif = 5,
63 TIFFReadDirEntryErrSizesan = 6,
64 TIFFReadDirEntryErrAlloc = 7,
65};
66
67static enum TIFFReadDirEntryErr TIFFReadDirEntryByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value);
68static enum TIFFReadDirEntryErr TIFFReadDirEntryShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value);
69static enum TIFFReadDirEntryErr TIFFReadDirEntryLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value);
70static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value);
71static enum TIFFReadDirEntryErr TIFFReadDirEntryFloat(TIFF* tif, TIFFDirEntry* direntry, float* value);
72static enum TIFFReadDirEntryErr TIFFReadDirEntryDouble(TIFF* tif, TIFFDirEntry* direntry, double* value);
73static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8(TIFF* tif, TIFFDirEntry* direntry, uint64* value);
74
75static enum TIFFReadDirEntryErr TIFFReadDirEntryArray(TIFF* tif, TIFFDirEntry* direntry, uint32* count, uint32 desttypesize, void** value);
76static enum TIFFReadDirEntryErr TIFFReadDirEntryByteArray(TIFF* tif, TIFFDirEntry* direntry, uint8** value);
77static enum TIFFReadDirEntryErr TIFFReadDirEntrySbyteArray(TIFF* tif, TIFFDirEntry* direntry, int8** value);
78static enum TIFFReadDirEntryErr TIFFReadDirEntryShortArray(TIFF* tif, TIFFDirEntry* direntry, uint16** value);
79static enum TIFFReadDirEntryErr TIFFReadDirEntrySshortArray(TIFF* tif, TIFFDirEntry* direntry, int16** value);
80static enum TIFFReadDirEntryErr TIFFReadDirEntryLongArray(TIFF* tif, TIFFDirEntry* direntry, uint32** value);
81static enum TIFFReadDirEntryErr TIFFReadDirEntrySlongArray(TIFF* tif, TIFFDirEntry* direntry, int32** value);
82static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value);
83static enum TIFFReadDirEntryErr TIFFReadDirEntrySlong8Array(TIFF* tif, TIFFDirEntry* direntry, int64** value);
84static enum TIFFReadDirEntryErr TIFFReadDirEntryFloatArray(TIFF* tif, TIFFDirEntry* direntry, float** value);
85static enum TIFFReadDirEntryErr TIFFReadDirEntryDoubleArray(TIFF* tif, TIFFDirEntry* direntry, double** value);
86static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value);
87
88static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value);
89#if 0
90static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleDouble(TIFF* tif, TIFFDirEntry* direntry, double* value);
91#endif
92
93static void TIFFReadDirEntryCheckedByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value);
94static void TIFFReadDirEntryCheckedSbyte(TIFF* tif, TIFFDirEntry* direntry, int8* value);
95static void TIFFReadDirEntryCheckedShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value);
96static void TIFFReadDirEntryCheckedSshort(TIFF* tif, TIFFDirEntry* direntry, int16* value);
97static void TIFFReadDirEntryCheckedLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value);
98static void TIFFReadDirEntryCheckedSlong(TIFF* tif, TIFFDirEntry* direntry, int32* value);
99static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value);
100static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSlong8(TIFF* tif, TIFFDirEntry* direntry, int64* value);
101static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedRational(TIFF* tif, TIFFDirEntry* direntry, double* value);
102static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSrational(TIFF* tif, TIFFDirEntry* direntry, double* value);
103static void TIFFReadDirEntryCheckedFloat(TIFF* tif, TIFFDirEntry* direntry, float* value);
104static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedDouble(TIFF* tif, TIFFDirEntry* direntry, double* value);
105
106static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSbyte(int8 value);
107static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteShort(uint16 value);
108static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSshort(int16 value);
109static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong(uint32 value);
110static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong(int32 value);
111static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong8(uint64 value);
112static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong8(int64 value);
113
114static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteByte(uint8 value);
115static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteShort(uint16 value);
116static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSshort(int16 value);
117static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong(uint32 value);
118static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong(int32 value);
119static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong8(uint64 value);
120static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong8(int64 value);
121
122static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSbyte(int8 value);
123static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSshort(int16 value);
124static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong(uint32 value);
125static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong(int32 value);
126static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong8(uint64 value);
127static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong8(int64 value);
128
129static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortShort(uint16 value);
130static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong(uint32 value);
131static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong(int32 value);
132static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong8(uint64 value);
133static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong8(int64 value);
134
135static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSbyte(int8 value);
136static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSshort(int16 value);
137static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong(int32 value);
138static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongLong8(uint64 value);
139static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong8(int64 value);
140
141static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongLong(uint32 value);
142static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongLong8(uint64 value);
143static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongSlong8(int64 value);
144
145static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Sbyte(int8 value);
146static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Sshort(int16 value);
147static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Slong(int32 value);
148static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Slong8(int64 value);
149
150static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlong8Long8(uint64 value);
151
152static enum TIFFReadDirEntryErr TIFFReadDirEntryData(TIFF* tif, uint64 offset, tmsize_t size, void* dest);
153static void TIFFReadDirEntryOutputErr(TIFF* tif, enum TIFFReadDirEntryErr err, const char* module, const char* tagname, int recover);
154
155static void TIFFReadDirectoryCheckOrder(TIFF* tif, TIFFDirEntry* dir, uint16 dircount);
156static TIFFDirEntry* TIFFReadDirectoryFindEntry(TIFF* tif, TIFFDirEntry* dir, uint16 dircount, uint16 tagid);
157static void TIFFReadDirectoryFindFieldInfo(TIFF* tif, uint16 tagid, uint32* fii);
158
159static int EstimateStripByteCounts(TIFF* tif, TIFFDirEntry* dir, uint16 dircount);
160static void MissingRequired(TIFF*, const char*);
161static int TIFFCheckDirOffset(TIFF* tif, uint64 diroff);
162static int CheckDirCount(TIFF*, TIFFDirEntry*, uint32);
163static uint16 TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir, uint64* nextdiroff);
164static int TIFFFetchNormalTag(TIFF*, TIFFDirEntry*, int recover);
165static int TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32 nstrips, uint64** lpp);
166static int TIFFFetchSubjectDistance(TIFF*, TIFFDirEntry*);
167static void ChopUpSingleUncompressedStrip(TIFF*);
168static void TryChopUpUncompressedBigTiff(TIFF*);
169static uint64 TIFFReadUInt64(const uint8 *value);
170static int _TIFFGetMaxColorChannels(uint16 photometric);
171
172static int _TIFFFillStrilesInternal( TIFF *tif, int loadStripByteCount );
173
174typedef union _UInt64Aligned_t
175{
176 double d;
177 uint64 l;
178 uint32 i[2];
179 uint16 s[4];
180 uint8 c[8];
181} UInt64Aligned_t;
182
183/*
184 Unaligned safe copy of a uint64 value from an octet array.
185*/
186static uint64 TIFFReadUInt64(const uint8 *value)
187{
188 UInt64Aligned_t result;
189
190 result.c[0]=value[0];
191 result.c[1]=value[1];
192 result.c[2]=value[2];
193 result.c[3]=value[3];
194 result.c[4]=value[4];
195 result.c[5]=value[5];
196 result.c[6]=value[6];
197 result.c[7]=value[7];
198
199 return result.l;
200}
201
202static enum TIFFReadDirEntryErr TIFFReadDirEntryByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value)
203{
204 enum TIFFReadDirEntryErr err;
205 if (direntry->tdir_count!=1)
206 return(TIFFReadDirEntryErrCount);
207 switch (direntry->tdir_type)
208 {
209 case TIFF_BYTE:
210 case TIFF_UNDEFINED: /* Support to read TIFF_UNDEFINED with field_readcount==1 */
211 TIFFReadDirEntryCheckedByte(tif,direntry,value);
212 return(TIFFReadDirEntryErrOk);
213 case TIFF_SBYTE:
214 {
215 int8 m;
216 TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
217 err=TIFFReadDirEntryCheckRangeByteSbyte(m);
218 if (err!=TIFFReadDirEntryErrOk)
219 return(err);
220 *value=(uint8)m;
221 return(TIFFReadDirEntryErrOk);
222 }
223 case TIFF_SHORT:
224 {
225 uint16 m;
226 TIFFReadDirEntryCheckedShort(tif,direntry,&m);
227 err=TIFFReadDirEntryCheckRangeByteShort(m);
228 if (err!=TIFFReadDirEntryErrOk)
229 return(err);
230 *value=(uint8)m;
231 return(TIFFReadDirEntryErrOk);
232 }
233 case TIFF_SSHORT:
234 {
235 int16 m;
236 TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
237 err=TIFFReadDirEntryCheckRangeByteSshort(m);
238 if (err!=TIFFReadDirEntryErrOk)
239 return(err);
240 *value=(uint8)m;
241 return(TIFFReadDirEntryErrOk);
242 }
243 case TIFF_LONG:
244 {
245 uint32 m;
246 TIFFReadDirEntryCheckedLong(tif,direntry,&m);
247 err=TIFFReadDirEntryCheckRangeByteLong(m);
248 if (err!=TIFFReadDirEntryErrOk)
249 return(err);
250 *value=(uint8)m;
251 return(TIFFReadDirEntryErrOk);
252 }
253 case TIFF_SLONG:
254 {
255 int32 m;
256 TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
257 err=TIFFReadDirEntryCheckRangeByteSlong(m);
258 if (err!=TIFFReadDirEntryErrOk)
259 return(err);
260 *value=(uint8)m;
261 return(TIFFReadDirEntryErrOk);
262 }
263 case TIFF_LONG8:
264 {
265 uint64 m;
266 err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
267 if (err!=TIFFReadDirEntryErrOk)
268 return(err);
269 err=TIFFReadDirEntryCheckRangeByteLong8(m);
270 if (err!=TIFFReadDirEntryErrOk)
271 return(err);
272 *value=(uint8)m;
273 return(TIFFReadDirEntryErrOk);
274 }
275 case TIFF_SLONG8:
276 {
277 int64 m;
278 err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
279 if (err!=TIFFReadDirEntryErrOk)
280 return(err);
281 err=TIFFReadDirEntryCheckRangeByteSlong8(m);
282 if (err!=TIFFReadDirEntryErrOk)
283 return(err);
284 *value=(uint8)m;
285 return(TIFFReadDirEntryErrOk);
286 }
287 default:
288 return(TIFFReadDirEntryErrType);
289 }
290}
291
292static enum TIFFReadDirEntryErr TIFFReadDirEntryShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value)
293{
294 enum TIFFReadDirEntryErr err;
295 if (direntry->tdir_count!=1)
296 return(TIFFReadDirEntryErrCount);
297 switch (direntry->tdir_type)
298 {
299 case TIFF_BYTE:
300 {
301 uint8 m;
302 TIFFReadDirEntryCheckedByte(tif,direntry,&m);
303 *value=(uint16)m;
304 return(TIFFReadDirEntryErrOk);
305 }
306 case TIFF_SBYTE:
307 {
308 int8 m;
309 TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
310 err=TIFFReadDirEntryCheckRangeShortSbyte(m);
311 if (err!=TIFFReadDirEntryErrOk)
312 return(err);
313 *value=(uint16)m;
314 return(TIFFReadDirEntryErrOk);
315 }
316 case TIFF_SHORT:
317 TIFFReadDirEntryCheckedShort(tif,direntry,value);
318 return(TIFFReadDirEntryErrOk);
319 case TIFF_SSHORT:
320 {
321 int16 m;
322 TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
323 err=TIFFReadDirEntryCheckRangeShortSshort(m);
324 if (err!=TIFFReadDirEntryErrOk)
325 return(err);
326 *value=(uint16)m;
327 return(TIFFReadDirEntryErrOk);
328 }
329 case TIFF_LONG:
330 {
331 uint32 m;
332 TIFFReadDirEntryCheckedLong(tif,direntry,&m);
333 err=TIFFReadDirEntryCheckRangeShortLong(m);
334 if (err!=TIFFReadDirEntryErrOk)
335 return(err);
336 *value=(uint16)m;
337 return(TIFFReadDirEntryErrOk);
338 }
339 case TIFF_SLONG:
340 {
341 int32 m;
342 TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
343 err=TIFFReadDirEntryCheckRangeShortSlong(m);
344 if (err!=TIFFReadDirEntryErrOk)
345 return(err);
346 *value=(uint16)m;
347 return(TIFFReadDirEntryErrOk);
348 }
349 case TIFF_LONG8:
350 {
351 uint64 m;
352 err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
353 if (err!=TIFFReadDirEntryErrOk)
354 return(err);
355 err=TIFFReadDirEntryCheckRangeShortLong8(m);
356 if (err!=TIFFReadDirEntryErrOk)
357 return(err);
358 *value=(uint16)m;
359 return(TIFFReadDirEntryErrOk);
360 }
361 case TIFF_SLONG8:
362 {
363 int64 m;
364 err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
365 if (err!=TIFFReadDirEntryErrOk)
366 return(err);
367 err=TIFFReadDirEntryCheckRangeShortSlong8(m);
368 if (err!=TIFFReadDirEntryErrOk)
369 return(err);
370 *value=(uint16)m;
371 return(TIFFReadDirEntryErrOk);
372 }
373 default:
374 return(TIFFReadDirEntryErrType);
375 }
376}
377
378static enum TIFFReadDirEntryErr TIFFReadDirEntryLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value)
379{
380 enum TIFFReadDirEntryErr err;
381 if (direntry->tdir_count!=1)
382 return(TIFFReadDirEntryErrCount);
383 switch (direntry->tdir_type)
384 {
385 case TIFF_BYTE:
386 {
387 uint8 m;
388 TIFFReadDirEntryCheckedByte(tif,direntry,&m);
389 *value=(uint32)m;
390 return(TIFFReadDirEntryErrOk);
391 }
392 case TIFF_SBYTE:
393 {
394 int8 m;
395 TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
396 err=TIFFReadDirEntryCheckRangeLongSbyte(m);
397 if (err!=TIFFReadDirEntryErrOk)
398 return(err);
399 *value=(uint32)m;
400 return(TIFFReadDirEntryErrOk);
401 }
402 case TIFF_SHORT:
403 {
404 uint16 m;
405 TIFFReadDirEntryCheckedShort(tif,direntry,&m);
406 *value=(uint32)m;
407 return(TIFFReadDirEntryErrOk);
408 }
409 case TIFF_SSHORT:
410 {
411 int16 m;
412 TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
413 err=TIFFReadDirEntryCheckRangeLongSshort(m);
414 if (err!=TIFFReadDirEntryErrOk)
415 return(err);
416 *value=(uint32)m;
417 return(TIFFReadDirEntryErrOk);
418 }
419 case TIFF_LONG:
420 TIFFReadDirEntryCheckedLong(tif,direntry,value);
421 return(TIFFReadDirEntryErrOk);
422 case TIFF_SLONG:
423 {
424 int32 m;
425 TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
426 err=TIFFReadDirEntryCheckRangeLongSlong(m);
427 if (err!=TIFFReadDirEntryErrOk)
428 return(err);
429 *value=(uint32)m;
430 return(TIFFReadDirEntryErrOk);
431 }
432 case TIFF_LONG8:
433 {
434 uint64 m;
435 err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
436 if (err!=TIFFReadDirEntryErrOk)
437 return(err);
438 err=TIFFReadDirEntryCheckRangeLongLong8(m);
439 if (err!=TIFFReadDirEntryErrOk)
440 return(err);
441 *value=(uint32)m;
442 return(TIFFReadDirEntryErrOk);
443 }
444 case TIFF_SLONG8:
445 {
446 int64 m;
447 err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
448 if (err!=TIFFReadDirEntryErrOk)
449 return(err);
450 err=TIFFReadDirEntryCheckRangeLongSlong8(m);
451 if (err!=TIFFReadDirEntryErrOk)
452 return(err);
453 *value=(uint32)m;
454 return(TIFFReadDirEntryErrOk);
455 }
456 default:
457 return(TIFFReadDirEntryErrType);
458 }
459}
460
461static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value)
462{
463 enum TIFFReadDirEntryErr err;
464 if (direntry->tdir_count!=1)
465 return(TIFFReadDirEntryErrCount);
466 switch (direntry->tdir_type)
467 {
468 case TIFF_BYTE:
469 {
470 uint8 m;
471 TIFFReadDirEntryCheckedByte(tif,direntry,&m);
472 *value=(uint64)m;
473 return(TIFFReadDirEntryErrOk);
474 }
475 case TIFF_SBYTE:
476 {
477 int8 m;
478 TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
479 err=TIFFReadDirEntryCheckRangeLong8Sbyte(m);
480 if (err!=TIFFReadDirEntryErrOk)
481 return(err);
482 *value=(uint64)m;
483 return(TIFFReadDirEntryErrOk);
484 }
485 case TIFF_SHORT:
486 {
487 uint16 m;
488 TIFFReadDirEntryCheckedShort(tif,direntry,&m);
489 *value=(uint64)m;
490 return(TIFFReadDirEntryErrOk);
491 }
492 case TIFF_SSHORT:
493 {
494 int16 m;
495 TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
496 err=TIFFReadDirEntryCheckRangeLong8Sshort(m);
497 if (err!=TIFFReadDirEntryErrOk)
498 return(err);
499 *value=(uint64)m;
500 return(TIFFReadDirEntryErrOk);
501 }
502 case TIFF_LONG:
503 {
504 uint32 m;
505 TIFFReadDirEntryCheckedLong(tif,direntry,&m);
506 *value=(uint64)m;
507 return(TIFFReadDirEntryErrOk);
508 }
509 case TIFF_SLONG:
510 {
511 int32 m;
512 TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
513 err=TIFFReadDirEntryCheckRangeLong8Slong(m);
514 if (err!=TIFFReadDirEntryErrOk)
515 return(err);
516 *value=(uint64)m;
517 return(TIFFReadDirEntryErrOk);
518 }
519 case TIFF_LONG8:
520 err=TIFFReadDirEntryCheckedLong8(tif,direntry,value);
521 return(err);
522 case TIFF_SLONG8:
523 {
524 int64 m;
525 err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
526 if (err!=TIFFReadDirEntryErrOk)
527 return(err);
528 err=TIFFReadDirEntryCheckRangeLong8Slong8(m);
529 if (err!=TIFFReadDirEntryErrOk)
530 return(err);
531 *value=(uint64)m;
532 return(TIFFReadDirEntryErrOk);
533 }
534 default:
535 return(TIFFReadDirEntryErrType);
536 }
537}
538
539static enum TIFFReadDirEntryErr TIFFReadDirEntryFloat(TIFF* tif, TIFFDirEntry* direntry, float* value)
540{
541 enum TIFFReadDirEntryErr err;
542 if (direntry->tdir_count!=1)
543 return(TIFFReadDirEntryErrCount);
544 switch (direntry->tdir_type)
545 {
546 case TIFF_BYTE:
547 {
548 uint8 m;
549 TIFFReadDirEntryCheckedByte(tif,direntry,&m);
550 *value=(float)m;
551 return(TIFFReadDirEntryErrOk);
552 }
553 case TIFF_SBYTE:
554 {
555 int8 m;
556 TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
557 *value=(float)m;
558 return(TIFFReadDirEntryErrOk);
559 }
560 case TIFF_SHORT:
561 {
562 uint16 m;
563 TIFFReadDirEntryCheckedShort(tif,direntry,&m);
564 *value=(float)m;
565 return(TIFFReadDirEntryErrOk);
566 }
567 case TIFF_SSHORT:
568 {
569 int16 m;
570 TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
571 *value=(float)m;
572 return(TIFFReadDirEntryErrOk);
573 }
574 case TIFF_LONG:
575 {
576 uint32 m;
577 TIFFReadDirEntryCheckedLong(tif,direntry,&m);
578 *value=(float)m;
579 return(TIFFReadDirEntryErrOk);
580 }
581 case TIFF_SLONG:
582 {
583 int32 m;
584 TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
585 *value=(float)m;
586 return(TIFFReadDirEntryErrOk);
587 }
588 case TIFF_LONG8:
589 {
590 uint64 m;
591 err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
592 if (err!=TIFFReadDirEntryErrOk)
593 return(err);
594#if defined(__WIN32__) && (_MSC_VER < 1500)
595 /*
596 * XXX: MSVC 6.0 does not support conversion
597 * of 64-bit integers into floating point
598 * values.
599 */
600 *value = _TIFFUInt64ToFloat(m);
601#else
602 *value=(float)m;
603#endif
604 return(TIFFReadDirEntryErrOk);
605 }
606 case TIFF_SLONG8:
607 {
608 int64 m;
609 err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
610 if (err!=TIFFReadDirEntryErrOk)
611 return(err);
612 *value=(float)m;
613 return(TIFFReadDirEntryErrOk);
614 }
615 case TIFF_RATIONAL:
616 {
617 double m;
618 err=TIFFReadDirEntryCheckedRational(tif,direntry,&m);
619 if (err!=TIFFReadDirEntryErrOk)
620 return(err);
621 *value=(float)m;
622 return(TIFFReadDirEntryErrOk);
623 }
624 case TIFF_SRATIONAL:
625 {
626 double m;
627 err=TIFFReadDirEntryCheckedSrational(tif,direntry,&m);
628 if (err!=TIFFReadDirEntryErrOk)
629 return(err);
630 *value=(float)m;
631 return(TIFFReadDirEntryErrOk);
632 }
633 case TIFF_FLOAT:
634 TIFFReadDirEntryCheckedFloat(tif,direntry,value);
635 return(TIFFReadDirEntryErrOk);
636 case TIFF_DOUBLE:
637 {
638 double m;
639 err=TIFFReadDirEntryCheckedDouble(tif,direntry,&m);
640 if (err!=TIFFReadDirEntryErrOk)
641 return(err);
642 if ((m > FLT_MAX) || (m < FLT_MIN))
643 return(TIFFReadDirEntryErrRange);
644 *value=(float)m;
645 return(TIFFReadDirEntryErrOk);
646 }
647 default:
648 return(TIFFReadDirEntryErrType);
649 }
650}
651
652static enum TIFFReadDirEntryErr TIFFReadDirEntryDouble(TIFF* tif, TIFFDirEntry* direntry, double* value)
653{
654 enum TIFFReadDirEntryErr err;
655 if (direntry->tdir_count!=1)
656 return(TIFFReadDirEntryErrCount);
657 switch (direntry->tdir_type)
658 {
659 case TIFF_BYTE:
660 {
661 uint8 m;
662 TIFFReadDirEntryCheckedByte(tif,direntry,&m);
663 *value=(double)m;
664 return(TIFFReadDirEntryErrOk);
665 }
666 case TIFF_SBYTE:
667 {
668 int8 m;
669 TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
670 *value=(double)m;
671 return(TIFFReadDirEntryErrOk);
672 }
673 case TIFF_SHORT:
674 {
675 uint16 m;
676 TIFFReadDirEntryCheckedShort(tif,direntry,&m);
677 *value=(double)m;
678 return(TIFFReadDirEntryErrOk);
679 }
680 case TIFF_SSHORT:
681 {
682 int16 m;
683 TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
684 *value=(double)m;
685 return(TIFFReadDirEntryErrOk);
686 }
687 case TIFF_LONG:
688 {
689 uint32 m;
690 TIFFReadDirEntryCheckedLong(tif,direntry,&m);
691 *value=(double)m;
692 return(TIFFReadDirEntryErrOk);
693 }
694 case TIFF_SLONG:
695 {
696 int32 m;
697 TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
698 *value=(double)m;
699 return(TIFFReadDirEntryErrOk);
700 }
701 case TIFF_LONG8:
702 {
703 uint64 m;
704 err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
705 if (err!=TIFFReadDirEntryErrOk)
706 return(err);
707#if defined(__WIN32__) && (_MSC_VER < 1500)
708 /*
709 * XXX: MSVC 6.0 does not support conversion
710 * of 64-bit integers into floating point
711 * values.
712 */
713 *value = _TIFFUInt64ToDouble(m);
714#else
715 *value = (double)m;
716#endif
717 return(TIFFReadDirEntryErrOk);
718 }
719 case TIFF_SLONG8:
720 {
721 int64 m;
722 err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
723 if (err!=TIFFReadDirEntryErrOk)
724 return(err);
725 *value=(double)m;
726 return(TIFFReadDirEntryErrOk);
727 }
728 case TIFF_RATIONAL:
729 err=TIFFReadDirEntryCheckedRational(tif,direntry,value);
730 return(err);
731 case TIFF_SRATIONAL:
732 err=TIFFReadDirEntryCheckedSrational(tif,direntry,value);
733 return(err);
734 case TIFF_FLOAT:
735 {
736 float m;
737 TIFFReadDirEntryCheckedFloat(tif,direntry,&m);
738 *value=(double)m;
739 return(TIFFReadDirEntryErrOk);
740 }
741 case TIFF_DOUBLE:
742 err=TIFFReadDirEntryCheckedDouble(tif,direntry,value);
743 return(err);
744 default:
745 return(TIFFReadDirEntryErrType);
746 }
747}
748
749static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8(TIFF* tif, TIFFDirEntry* direntry, uint64* value)
750{
751 enum TIFFReadDirEntryErr err;
752 if (direntry->tdir_count!=1)
753 return(TIFFReadDirEntryErrCount);
754 switch (direntry->tdir_type)
755 {
756 case TIFF_LONG:
757 case TIFF_IFD:
758 {
759 uint32 m;
760 TIFFReadDirEntryCheckedLong(tif,direntry,&m);
761 *value=(uint64)m;
762 return(TIFFReadDirEntryErrOk);
763 }
764 case TIFF_LONG8:
765 case TIFF_IFD8:
766 err=TIFFReadDirEntryCheckedLong8(tif,direntry,value);
767 return(err);
768 default:
769 return(TIFFReadDirEntryErrType);
770 }
771}
772
773
774#define INITIAL_THRESHOLD (1024 * 1024)
775#define THRESHOLD_MULTIPLIER 10
776#define MAX_THRESHOLD (THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * INITIAL_THRESHOLD)
777
778static enum TIFFReadDirEntryErr TIFFReadDirEntryDataAndRealloc(
779 TIFF* tif, uint64 offset, tmsize_t size, void** pdest)
780{
781#if SIZEOF_SIZE_T == 8
782 tmsize_t threshold = INITIAL_THRESHOLD;
783#endif
784 tmsize_t already_read = 0;
785
786 assert( !isMapped(tif) );
787
788 if (!SeekOK(tif,offset))
789 return(TIFFReadDirEntryErrIo);
790
791 /* On 64 bit processes, read first a maximum of 1 MB, then 10 MB, etc */
792 /* so as to avoid allocating too much memory in case the file is too */
793 /* short. We could ask for the file size, but this might be */
794 /* expensive with some I/O layers (think of reading a gzipped file) */
795 /* Restrict to 64 bit processes, so as to avoid reallocs() */
796 /* on 32 bit processes where virtual memory is scarce. */
797 while( already_read < size )
798 {
799 void* new_dest;
800 tmsize_t bytes_read;
801 tmsize_t to_read = size - already_read;
802#if SIZEOF_SIZE_T == 8
803 if( to_read >= threshold && threshold < MAX_THRESHOLD )
804 {
805 to_read = threshold;
806 threshold *= THRESHOLD_MULTIPLIER;
807 }
808#endif
809
810 new_dest = (uint8*) _TIFFrealloc(
811 *pdest, already_read + to_read);
812 if( new_dest == NULL )
813 {
814 TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
815 "Failed to allocate memory for %s "
816 "(%ld elements of %ld bytes each)",
817 "TIFFReadDirEntryArray",
818 (long) 1, (long) (already_read + to_read));
819 return TIFFReadDirEntryErrAlloc;
820 }
821 *pdest = new_dest;
822
823 bytes_read = TIFFReadFile(tif,
824 (char*)*pdest + already_read, to_read);
825 already_read += bytes_read;
826 if (bytes_read != to_read) {
827 return TIFFReadDirEntryErrIo;
828 }
829 }
830 return TIFFReadDirEntryErrOk;
831}
832
833static enum TIFFReadDirEntryErr TIFFReadDirEntryArrayWithLimit(
834 TIFF* tif, TIFFDirEntry* direntry, uint32* count, uint32 desttypesize,
835 void** value, uint64 maxcount)
836{
837 int typesize;
838 uint32 datasize;
839 void* data;
840 uint64 target_count64;
841 typesize=TIFFDataWidth(direntry->tdir_type);
842
843 target_count64 = (direntry->tdir_count > maxcount) ?
844 maxcount : direntry->tdir_count;
845
846 if ((target_count64==0)||(typesize==0))
847 {
848 *value=0;
849 return(TIFFReadDirEntryErrOk);
850 }
851 (void) desttypesize;
852
853 /*
854 * As a sanity check, make sure we have no more than a 2GB tag array
855 * in either the current data type or the dest data type. This also
856 * avoids problems with overflow of tmsize_t on 32bit systems.
857 */
858 if ((uint64)(2147483647/typesize)<target_count64)
859 return(TIFFReadDirEntryErrSizesan);
860 if ((uint64)(2147483647/desttypesize)<target_count64)
861 return(TIFFReadDirEntryErrSizesan);
862
863 *count=(uint32)target_count64;
864 datasize=(*count)*typesize;
865 assert((tmsize_t)datasize>0);
866
867 if( isMapped(tif) && datasize > (uint32)tif->tif_size )
868 return TIFFReadDirEntryErrIo;
869
870 if( !isMapped(tif) &&
871 (((tif->tif_flags&TIFF_BIGTIFF) && datasize > 8) ||
872 (!(tif->tif_flags&TIFF_BIGTIFF) && datasize > 4)) )
873 {
874 data = NULL;
875 }
876 else
877 {
878 data=_TIFFCheckMalloc(tif, *count, typesize, "ReadDirEntryArray");
879 if (data==0)
880 return(TIFFReadDirEntryErrAlloc);
881 }
882 if (!(tif->tif_flags&TIFF_BIGTIFF))
883 {
884 if (datasize<=4)
885 _TIFFmemcpy(data,&direntry->tdir_offset,datasize);
886 else
887 {
888 enum TIFFReadDirEntryErr err;
889 uint32 offset = direntry->tdir_offset.toff_long;
890 if (tif->tif_flags&TIFF_SWAB)
891 TIFFSwabLong(&offset);
892 if( isMapped(tif) )
893 err=TIFFReadDirEntryData(tif,(uint64)offset,(tmsize_t)datasize,data);
894 else
895 err=TIFFReadDirEntryDataAndRealloc(tif,(uint64)offset,(tmsize_t)datasize,&data);
896 if (err!=TIFFReadDirEntryErrOk)
897 {
898 _TIFFfree(data);
899 return(err);
900 }
901 }
902 }
903 else
904 {
905 if (datasize<=8)
906 _TIFFmemcpy(data,&direntry->tdir_offset,datasize);
907 else
908 {
909 enum TIFFReadDirEntryErr err;
910 uint64 offset = direntry->tdir_offset.toff_long8;
911 if (tif->tif_flags&TIFF_SWAB)
912 TIFFSwabLong8(&offset);
913 if( isMapped(tif) )
914 err=TIFFReadDirEntryData(tif,(uint64)offset,(tmsize_t)datasize,data);
915 else
916 err=TIFFReadDirEntryDataAndRealloc(tif,(uint64)offset,(tmsize_t)datasize,&data);
917 if (err!=TIFFReadDirEntryErrOk)
918 {
919 _TIFFfree(data);
920 return(err);
921 }
922 }
923 }
924 *value=data;
925 return(TIFFReadDirEntryErrOk);
926}
927
928static enum TIFFReadDirEntryErr TIFFReadDirEntryArray(TIFF* tif, TIFFDirEntry* direntry, uint32* count, uint32 desttypesize, void** value)
929{
930 return TIFFReadDirEntryArrayWithLimit(tif, direntry, count,
931 desttypesize, value, ~((uint64)0));
932}
933
934static enum TIFFReadDirEntryErr TIFFReadDirEntryByteArray(TIFF* tif, TIFFDirEntry* direntry, uint8** value)
935{
936 enum TIFFReadDirEntryErr err;
937 uint32 count;
938 void* origdata;
939 uint8* data;
940 switch (direntry->tdir_type)
941 {
942 case TIFF_ASCII:
943 case TIFF_UNDEFINED:
944 case TIFF_BYTE:
945 case TIFF_SBYTE:
946 case TIFF_SHORT:
947 case TIFF_SSHORT:
948 case TIFF_LONG:
949 case TIFF_SLONG:
950 case TIFF_LONG8:
951 case TIFF_SLONG8:
952 break;
953 default:
954 return(TIFFReadDirEntryErrType);
955 }
956 err=TIFFReadDirEntryArray(tif,direntry,&count,1,&origdata);
957 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
958 {
959 *value=0;
960 return(err);
961 }
962 switch (direntry->tdir_type)
963 {
964 case TIFF_ASCII:
965 case TIFF_UNDEFINED:
966 case TIFF_BYTE:
967 *value=(uint8*)origdata;
968 return(TIFFReadDirEntryErrOk);
969 case TIFF_SBYTE:
970 {
971 int8* m;
972 uint32 n;
973 m=(int8*)origdata;
974 for (n=0; n<count; n++)
975 {
976 err=TIFFReadDirEntryCheckRangeByteSbyte(*m);
977 if (err!=TIFFReadDirEntryErrOk)
978 {
979 _TIFFfree(origdata);
980 return(err);
981 }
982 m++;
983 }
984 *value=(uint8*)origdata;
985 return(TIFFReadDirEntryErrOk);
986 }
987 }
988 data=(uint8*)_TIFFmalloc(count);
989 if (data==0)
990 {
991 _TIFFfree(origdata);
992 return(TIFFReadDirEntryErrAlloc);
993 }
994 switch (direntry->tdir_type)
995 {
996 case TIFF_SHORT:
997 {
998 uint16* ma;
999 uint8* mb;
1000 uint32 n;
1001 ma=(uint16*)origdata;
1002 mb=data;
1003 for (n=0; n<count; n++)
1004 {
1005 if (tif->tif_flags&TIFF_SWAB)
1006 TIFFSwabShort(ma);
1007 err=TIFFReadDirEntryCheckRangeByteShort(*ma);
1008 if (err!=TIFFReadDirEntryErrOk)
1009 break;
1010 *mb++=(uint8)(*ma++);
1011 }
1012 }
1013 break;
1014 case TIFF_SSHORT:
1015 {
1016 int16* ma;
1017 uint8* mb;
1018 uint32 n;
1019 ma=(int16*)origdata;
1020 mb=data;
1021 for (n=0; n<count; n++)
1022 {
1023 if (tif->tif_flags&TIFF_SWAB)
1024 TIFFSwabShort((uint16*)ma);
1025 err=TIFFReadDirEntryCheckRangeByteSshort(*ma);
1026 if (err!=TIFFReadDirEntryErrOk)
1027 break;
1028 *mb++=(uint8)(*ma++);
1029 }
1030 }
1031 break;
1032 case TIFF_LONG:
1033 {
1034 uint32* ma;
1035 uint8* mb;
1036 uint32 n;
1037 ma=(uint32*)origdata;
1038 mb=data;
1039 for (n=0; n<count; n++)
1040 {
1041 if (tif->tif_flags&TIFF_SWAB)
1042 TIFFSwabLong(ma);
1043 err=TIFFReadDirEntryCheckRangeByteLong(*ma);
1044 if (err!=TIFFReadDirEntryErrOk)
1045 break;
1046 *mb++=(uint8)(*ma++);
1047 }
1048 }
1049 break;
1050 case TIFF_SLONG:
1051 {
1052 int32* ma;
1053 uint8* mb;
1054 uint32 n;
1055 ma=(int32*)origdata;
1056 mb=data;
1057 for (n=0; n<count; n++)
1058 {
1059 if (tif->tif_flags&TIFF_SWAB)
1060 TIFFSwabLong((uint32*)ma);
1061 err=TIFFReadDirEntryCheckRangeByteSlong(*ma);
1062 if (err!=TIFFReadDirEntryErrOk)
1063 break;
1064 *mb++=(uint8)(*ma++);
1065 }
1066 }
1067 break;
1068 case TIFF_LONG8:
1069 {
1070 uint64* ma;
1071 uint8* mb;
1072 uint32 n;
1073 ma=(uint64*)origdata;
1074 mb=data;
1075 for (n=0; n<count; n++)
1076 {
1077 if (tif->tif_flags&TIFF_SWAB)
1078 TIFFSwabLong8(ma);
1079 err=TIFFReadDirEntryCheckRangeByteLong8(*ma);
1080 if (err!=TIFFReadDirEntryErrOk)
1081 break;
1082 *mb++=(uint8)(*ma++);
1083 }
1084 }
1085 break;
1086 case TIFF_SLONG8:
1087 {
1088 int64* ma;
1089 uint8* mb;
1090 uint32 n;
1091 ma=(int64*)origdata;
1092 mb=data;
1093 for (n=0; n<count; n++)
1094 {
1095 if (tif->tif_flags&TIFF_SWAB)
1096 TIFFSwabLong8((uint64*)ma);
1097 err=TIFFReadDirEntryCheckRangeByteSlong8(*ma);
1098 if (err!=TIFFReadDirEntryErrOk)
1099 break;
1100 *mb++=(uint8)(*ma++);
1101 }
1102 }
1103 break;
1104 }
1105 _TIFFfree(origdata);
1106 if (err!=TIFFReadDirEntryErrOk)
1107 {
1108 _TIFFfree(data);
1109 return(err);
1110 }
1111 *value=data;
1112 return(TIFFReadDirEntryErrOk);
1113}
1114
1115static enum TIFFReadDirEntryErr TIFFReadDirEntrySbyteArray(TIFF* tif, TIFFDirEntry* direntry, int8** value)
1116{
1117 enum TIFFReadDirEntryErr err;
1118 uint32 count;
1119 void* origdata;
1120 int8* data;
1121 switch (direntry->tdir_type)
1122 {
1123 case TIFF_UNDEFINED:
1124 case TIFF_BYTE:
1125 case TIFF_SBYTE:
1126 case TIFF_SHORT:
1127 case TIFF_SSHORT:
1128 case TIFF_LONG:
1129 case TIFF_SLONG:
1130 case TIFF_LONG8:
1131 case TIFF_SLONG8:
1132 break;
1133 default:
1134 return(TIFFReadDirEntryErrType);
1135 }
1136 err=TIFFReadDirEntryArray(tif,direntry,&count,1,&origdata);
1137 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
1138 {
1139 *value=0;
1140 return(err);
1141 }
1142 switch (direntry->tdir_type)
1143 {
1144 case TIFF_UNDEFINED:
1145 case TIFF_BYTE:
1146 {
1147 uint8* m;
1148 uint32 n;
1149 m=(uint8*)origdata;
1150 for (n=0; n<count; n++)
1151 {
1152 err=TIFFReadDirEntryCheckRangeSbyteByte(*m);
1153 if (err!=TIFFReadDirEntryErrOk)
1154 {
1155 _TIFFfree(origdata);
1156 return(err);
1157 }
1158 m++;
1159 }
1160 *value=(int8*)origdata;
1161 return(TIFFReadDirEntryErrOk);
1162 }
1163 case TIFF_SBYTE:
1164 *value=(int8*)origdata;
1165 return(TIFFReadDirEntryErrOk);
1166 }
1167 data=(int8*)_TIFFmalloc(count);
1168 if (data==0)
1169 {
1170 _TIFFfree(origdata);
1171 return(TIFFReadDirEntryErrAlloc);
1172 }
1173 switch (direntry->tdir_type)
1174 {
1175 case TIFF_SHORT:
1176 {
1177 uint16* ma;
1178 int8* mb;
1179 uint32 n;
1180 ma=(uint16*)origdata;
1181 mb=data;
1182 for (n=0; n<count; n++)
1183 {
1184 if (tif->tif_flags&TIFF_SWAB)
1185 TIFFSwabShort(ma);
1186 err=TIFFReadDirEntryCheckRangeSbyteShort(*ma);
1187 if (err!=TIFFReadDirEntryErrOk)
1188 break;
1189 *mb++=(int8)(*ma++);
1190 }
1191 }
1192 break;
1193 case TIFF_SSHORT:
1194 {
1195 int16* ma;
1196 int8* mb;
1197 uint32 n;
1198 ma=(int16*)origdata;
1199 mb=data;
1200 for (n=0; n<count; n++)
1201 {
1202 if (tif->tif_flags&TIFF_SWAB)
1203 TIFFSwabShort((uint16*)ma);
1204 err=TIFFReadDirEntryCheckRangeSbyteSshort(*ma);
1205 if (err!=TIFFReadDirEntryErrOk)
1206 break;
1207 *mb++=(int8)(*ma++);
1208 }
1209 }
1210 break;
1211 case TIFF_LONG:
1212 {
1213 uint32* ma;
1214 int8* mb;
1215 uint32 n;
1216 ma=(uint32*)origdata;
1217 mb=data;
1218 for (n=0; n<count; n++)
1219 {
1220 if (tif->tif_flags&TIFF_SWAB)
1221 TIFFSwabLong(ma);
1222 err=TIFFReadDirEntryCheckRangeSbyteLong(*ma);
1223 if (err!=TIFFReadDirEntryErrOk)
1224 break;
1225 *mb++=(int8)(*ma++);
1226 }
1227 }
1228 break;
1229 case TIFF_SLONG:
1230 {
1231 int32* ma;
1232 int8* mb;
1233 uint32 n;
1234 ma=(int32*)origdata;
1235 mb=data;
1236 for (n=0; n<count; n++)
1237 {
1238 if (tif->tif_flags&TIFF_SWAB)
1239 TIFFSwabLong((uint32*)ma);
1240 err=TIFFReadDirEntryCheckRangeSbyteSlong(*ma);
1241 if (err!=TIFFReadDirEntryErrOk)
1242 break;
1243 *mb++=(int8)(*ma++);
1244 }
1245 }
1246 break;
1247 case TIFF_LONG8:
1248 {
1249 uint64* ma;
1250 int8* mb;
1251 uint32 n;
1252 ma=(uint64*)origdata;
1253 mb=data;
1254 for (n=0; n<count; n++)
1255 {
1256 if (tif->tif_flags&TIFF_SWAB)
1257 TIFFSwabLong8(ma);
1258 err=TIFFReadDirEntryCheckRangeSbyteLong8(*ma);
1259 if (err!=TIFFReadDirEntryErrOk)
1260 break;
1261 *mb++=(int8)(*ma++);
1262 }
1263 }
1264 break;
1265 case TIFF_SLONG8:
1266 {
1267 int64* ma;
1268 int8* mb;
1269 uint32 n;
1270 ma=(int64*)origdata;
1271 mb=data;
1272 for (n=0; n<count; n++)
1273 {
1274 if (tif->tif_flags&TIFF_SWAB)
1275 TIFFSwabLong8((uint64*)ma);
1276 err=TIFFReadDirEntryCheckRangeSbyteSlong8(*ma);
1277 if (err!=TIFFReadDirEntryErrOk)
1278 break;
1279 *mb++=(int8)(*ma++);
1280 }
1281 }
1282 break;
1283 }
1284 _TIFFfree(origdata);
1285 if (err!=TIFFReadDirEntryErrOk)
1286 {
1287 _TIFFfree(data);
1288 return(err);
1289 }
1290 *value=data;
1291 return(TIFFReadDirEntryErrOk);
1292}
1293
1294static enum TIFFReadDirEntryErr TIFFReadDirEntryShortArray(TIFF* tif, TIFFDirEntry* direntry, uint16** value)
1295{
1296 enum TIFFReadDirEntryErr err;
1297 uint32 count;
1298 void* origdata;
1299 uint16* data;
1300 switch (direntry->tdir_type)
1301 {
1302 case TIFF_BYTE:
1303 case TIFF_SBYTE:
1304 case TIFF_SHORT:
1305 case TIFF_SSHORT:
1306 case TIFF_LONG:
1307 case TIFF_SLONG:
1308 case TIFF_LONG8:
1309 case TIFF_SLONG8:
1310 break;
1311 default:
1312 return(TIFFReadDirEntryErrType);
1313 }
1314 err=TIFFReadDirEntryArray(tif,direntry,&count,2,&origdata);
1315 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
1316 {
1317 *value=0;
1318 return(err);
1319 }
1320 switch (direntry->tdir_type)
1321 {
1322 case TIFF_SHORT:
1323 *value=(uint16*)origdata;
1324 if (tif->tif_flags&TIFF_SWAB)
1325 TIFFSwabArrayOfShort(*value,count);
1326 return(TIFFReadDirEntryErrOk);
1327 case TIFF_SSHORT:
1328 {
1329 int16* m;
1330 uint32 n;
1331 m=(int16*)origdata;
1332 for (n=0; n<count; n++)
1333 {
1334 if (tif->tif_flags&TIFF_SWAB)
1335 TIFFSwabShort((uint16*)m);
1336 err=TIFFReadDirEntryCheckRangeShortSshort(*m);
1337 if (err!=TIFFReadDirEntryErrOk)
1338 {
1339 _TIFFfree(origdata);
1340 return(err);
1341 }
1342 m++;
1343 }
1344 *value=(uint16*)origdata;
1345 return(TIFFReadDirEntryErrOk);
1346 }
1347 }
1348 data=(uint16*)_TIFFmalloc(count*2);
1349 if (data==0)
1350 {
1351 _TIFFfree(origdata);
1352 return(TIFFReadDirEntryErrAlloc);
1353 }
1354 switch (direntry->tdir_type)
1355 {
1356 case TIFF_BYTE:
1357 {
1358 uint8* ma;
1359 uint16* mb;
1360 uint32 n;
1361 ma=(uint8*)origdata;
1362 mb=data;
1363 for (n=0; n<count; n++)
1364 *mb++=(uint16)(*ma++);
1365 }
1366 break;
1367 case TIFF_SBYTE:
1368 {
1369 int8* ma;
1370 uint16* mb;
1371 uint32 n;
1372 ma=(int8*)origdata;
1373 mb=data;
1374 for (n=0; n<count; n++)
1375 {
1376 err=TIFFReadDirEntryCheckRangeShortSbyte(*ma);
1377 if (err!=TIFFReadDirEntryErrOk)
1378 break;
1379 *mb++=(uint16)(*ma++);
1380 }
1381 }
1382 break;
1383 case TIFF_LONG:
1384 {
1385 uint32* ma;
1386 uint16* mb;
1387 uint32 n;
1388 ma=(uint32*)origdata;
1389 mb=data;
1390 for (n=0; n<count; n++)
1391 {
1392 if (tif->tif_flags&TIFF_SWAB)
1393 TIFFSwabLong(ma);
1394 err=TIFFReadDirEntryCheckRangeShortLong(*ma);
1395 if (err!=TIFFReadDirEntryErrOk)
1396 break;
1397 *mb++=(uint16)(*ma++);
1398 }
1399 }
1400 break;
1401 case TIFF_SLONG:
1402 {
1403 int32* ma;
1404 uint16* mb;
1405 uint32 n;
1406 ma=(int32*)origdata;
1407 mb=data;
1408 for (n=0; n<count; n++)
1409 {
1410 if (tif->tif_flags&TIFF_SWAB)
1411 TIFFSwabLong((uint32*)ma);
1412 err=TIFFReadDirEntryCheckRangeShortSlong(*ma);
1413 if (err!=TIFFReadDirEntryErrOk)
1414 break;
1415 *mb++=(uint16)(*ma++);
1416 }
1417 }
1418 break;
1419 case TIFF_LONG8:
1420 {
1421 uint64* ma;
1422 uint16* mb;
1423 uint32 n;
1424 ma=(uint64*)origdata;
1425 mb=data;
1426 for (n=0; n<count; n++)
1427 {
1428 if (tif->tif_flags&TIFF_SWAB)
1429 TIFFSwabLong8(ma);
1430 err=TIFFReadDirEntryCheckRangeShortLong8(*ma);
1431 if (err!=TIFFReadDirEntryErrOk)
1432 break;
1433 *mb++=(uint16)(*ma++);
1434 }
1435 }
1436 break;
1437 case TIFF_SLONG8:
1438 {
1439 int64* ma;
1440 uint16* mb;
1441 uint32 n;
1442 ma=(int64*)origdata;
1443 mb=data;
1444 for (n=0; n<count; n++)
1445 {
1446 if (tif->tif_flags&TIFF_SWAB)
1447 TIFFSwabLong8((uint64*)ma);
1448 err=TIFFReadDirEntryCheckRangeShortSlong8(*ma);
1449 if (err!=TIFFReadDirEntryErrOk)
1450 break;
1451 *mb++=(uint16)(*ma++);
1452 }
1453 }
1454 break;
1455 }
1456 _TIFFfree(origdata);
1457 if (err!=TIFFReadDirEntryErrOk)
1458 {
1459 _TIFFfree(data);
1460 return(err);
1461 }
1462 *value=data;
1463 return(TIFFReadDirEntryErrOk);
1464}
1465
1466static enum TIFFReadDirEntryErr TIFFReadDirEntrySshortArray(TIFF* tif, TIFFDirEntry* direntry, int16** value)
1467{
1468 enum TIFFReadDirEntryErr err;
1469 uint32 count;
1470 void* origdata;
1471 int16* data;
1472 switch (direntry->tdir_type)
1473 {
1474 case TIFF_BYTE:
1475 case TIFF_SBYTE:
1476 case TIFF_SHORT:
1477 case TIFF_SSHORT:
1478 case TIFF_LONG:
1479 case TIFF_SLONG:
1480 case TIFF_LONG8:
1481 case TIFF_SLONG8:
1482 break;
1483 default:
1484 return(TIFFReadDirEntryErrType);
1485 }
1486 err=TIFFReadDirEntryArray(tif,direntry,&count,2,&origdata);
1487 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
1488 {
1489 *value=0;
1490 return(err);
1491 }
1492 switch (direntry->tdir_type)
1493 {
1494 case TIFF_SHORT:
1495 {
1496 uint16* m;
1497 uint32 n;
1498 m=(uint16*)origdata;
1499 for (n=0; n<count; n++)
1500 {
1501 if (tif->tif_flags&TIFF_SWAB)
1502 TIFFSwabShort(m);
1503 err=TIFFReadDirEntryCheckRangeSshortShort(*m);
1504 if (err!=TIFFReadDirEntryErrOk)
1505 {
1506 _TIFFfree(origdata);
1507 return(err);
1508 }
1509 m++;
1510 }
1511 *value=(int16*)origdata;
1512 return(TIFFReadDirEntryErrOk);
1513 }
1514 case TIFF_SSHORT:
1515 *value=(int16*)origdata;
1516 if (tif->tif_flags&TIFF_SWAB)
1517 TIFFSwabArrayOfShort((uint16*)(*value),count);
1518 return(TIFFReadDirEntryErrOk);
1519 }
1520 data=(int16*)_TIFFmalloc(count*2);
1521 if (data==0)
1522 {
1523 _TIFFfree(origdata);
1524 return(TIFFReadDirEntryErrAlloc);
1525 }
1526 switch (direntry->tdir_type)
1527 {
1528 case TIFF_BYTE:
1529 {
1530 uint8* ma;
1531 int16* mb;
1532 uint32 n;
1533 ma=(uint8*)origdata;
1534 mb=data;
1535 for (n=0; n<count; n++)
1536 *mb++=(int16)(*ma++);
1537 }
1538 break;
1539 case TIFF_SBYTE:
1540 {
1541 int8* ma;
1542 int16* mb;
1543 uint32 n;
1544 ma=(int8*)origdata;
1545 mb=data;
1546 for (n=0; n<count; n++)
1547 *mb++=(int16)(*ma++);
1548 }
1549 break;
1550 case TIFF_LONG:
1551 {
1552 uint32* ma;
1553 int16* mb;
1554 uint32 n;
1555 ma=(uint32*)origdata;
1556 mb=data;
1557 for (n=0; n<count; n++)
1558 {
1559 if (tif->tif_flags&TIFF_SWAB)
1560 TIFFSwabLong(ma);
1561 err=TIFFReadDirEntryCheckRangeSshortLong(*ma);
1562 if (err!=TIFFReadDirEntryErrOk)
1563 break;
1564 *mb++=(int16)(*ma++);
1565 }
1566 }
1567 break;
1568 case TIFF_SLONG:
1569 {
1570 int32* ma;
1571 int16* mb;
1572 uint32 n;
1573 ma=(int32*)origdata;
1574 mb=data;
1575 for (n=0; n<count; n++)
1576 {
1577 if (tif->tif_flags&TIFF_SWAB)
1578 TIFFSwabLong((uint32*)ma);
1579 err=TIFFReadDirEntryCheckRangeSshortSlong(*ma);
1580 if (err!=TIFFReadDirEntryErrOk)
1581 break;
1582 *mb++=(int16)(*ma++);
1583 }
1584 }
1585 break;
1586 case TIFF_LONG8:
1587 {
1588 uint64* ma;
1589 int16* mb;
1590 uint32 n;
1591 ma=(uint64*)origdata;
1592 mb=data;
1593 for (n=0; n<count; n++)
1594 {
1595 if (tif->tif_flags&TIFF_SWAB)
1596 TIFFSwabLong8(ma);
1597 err=TIFFReadDirEntryCheckRangeSshortLong8(*ma);
1598 if (err!=TIFFReadDirEntryErrOk)
1599 break;
1600 *mb++=(int16)(*ma++);
1601 }
1602 }
1603 break;
1604 case TIFF_SLONG8:
1605 {
1606 int64* ma;
1607 int16* mb;
1608 uint32 n;
1609 ma=(int64*)origdata;
1610 mb=data;
1611 for (n=0; n<count; n++)
1612 {
1613 if (tif->tif_flags&TIFF_SWAB)
1614 TIFFSwabLong8((uint64*)ma);
1615 err=TIFFReadDirEntryCheckRangeSshortSlong8(*ma);
1616 if (err!=TIFFReadDirEntryErrOk)
1617 break;
1618 *mb++=(int16)(*ma++);
1619 }
1620 }
1621 break;
1622 }
1623 _TIFFfree(origdata);
1624 if (err!=TIFFReadDirEntryErrOk)
1625 {
1626 _TIFFfree(data);
1627 return(err);
1628 }
1629 *value=data;
1630 return(TIFFReadDirEntryErrOk);
1631}
1632
1633static enum TIFFReadDirEntryErr TIFFReadDirEntryLongArray(TIFF* tif, TIFFDirEntry* direntry, uint32** value)
1634{
1635 enum TIFFReadDirEntryErr err;
1636 uint32 count;
1637 void* origdata;
1638 uint32* data;
1639 switch (direntry->tdir_type)
1640 {
1641 case TIFF_BYTE:
1642 case TIFF_SBYTE:
1643 case TIFF_SHORT:
1644 case TIFF_SSHORT:
1645 case TIFF_LONG:
1646 case TIFF_SLONG:
1647 case TIFF_LONG8:
1648 case TIFF_SLONG8:
1649 break;
1650 default:
1651 return(TIFFReadDirEntryErrType);
1652 }
1653 err=TIFFReadDirEntryArray(tif,direntry,&count,4,&origdata);
1654 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
1655 {
1656 *value=0;
1657 return(err);
1658 }
1659 switch (direntry->tdir_type)
1660 {
1661 case TIFF_LONG:
1662 *value=(uint32*)origdata;
1663 if (tif->tif_flags&TIFF_SWAB)
1664 TIFFSwabArrayOfLong(*value,count);
1665 return(TIFFReadDirEntryErrOk);
1666 case TIFF_SLONG:
1667 {
1668 int32* m;
1669 uint32 n;
1670 m=(int32*)origdata;
1671 for (n=0; n<count; n++)
1672 {
1673 if (tif->tif_flags&TIFF_SWAB)
1674 TIFFSwabLong((uint32*)m);
1675 err=TIFFReadDirEntryCheckRangeLongSlong(*m);
1676 if (err!=TIFFReadDirEntryErrOk)
1677 {
1678 _TIFFfree(origdata);
1679 return(err);
1680 }
1681 m++;
1682 }
1683 *value=(uint32*)origdata;
1684 return(TIFFReadDirEntryErrOk);
1685 }
1686 }
1687 data=(uint32*)_TIFFmalloc(count*4);
1688 if (data==0)
1689 {
1690 _TIFFfree(origdata);
1691 return(TIFFReadDirEntryErrAlloc);
1692 }
1693 switch (direntry->tdir_type)
1694 {
1695 case TIFF_BYTE:
1696 {
1697 uint8* ma;
1698 uint32* mb;
1699 uint32 n;
1700 ma=(uint8*)origdata;
1701 mb=data;
1702 for (n=0; n<count; n++)
1703 *mb++=(uint32)(*ma++);
1704 }
1705 break;
1706 case TIFF_SBYTE:
1707 {
1708 int8* ma;
1709 uint32* mb;
1710 uint32 n;
1711 ma=(int8*)origdata;
1712 mb=data;
1713 for (n=0; n<count; n++)
1714 {
1715 err=TIFFReadDirEntryCheckRangeLongSbyte(*ma);
1716 if (err!=TIFFReadDirEntryErrOk)
1717 break;
1718 *mb++=(uint32)(*ma++);
1719 }
1720 }
1721 break;
1722 case TIFF_SHORT:
1723 {
1724 uint16* ma;
1725 uint32* mb;
1726 uint32 n;
1727 ma=(uint16*)origdata;
1728 mb=data;
1729 for (n=0; n<count; n++)
1730 {
1731 if (tif->tif_flags&TIFF_SWAB)
1732 TIFFSwabShort(ma);
1733 *mb++=(uint32)(*ma++);
1734 }
1735 }
1736 break;
1737 case TIFF_SSHORT:
1738 {
1739 int16* ma;
1740 uint32* mb;
1741 uint32 n;
1742 ma=(int16*)origdata;
1743 mb=data;
1744 for (n=0; n<count; n++)
1745 {
1746 if (tif->tif_flags&TIFF_SWAB)
1747 TIFFSwabShort((uint16*)ma);
1748 err=TIFFReadDirEntryCheckRangeLongSshort(*ma);
1749 if (err!=TIFFReadDirEntryErrOk)
1750 break;
1751 *mb++=(uint32)(*ma++);
1752 }
1753 }
1754 break;
1755 case TIFF_LONG8:
1756 {
1757 uint64* ma;
1758 uint32* mb;
1759 uint32 n;
1760 ma=(uint64*)origdata;
1761 mb=data;
1762 for (n=0; n<count; n++)
1763 {
1764 if (tif->tif_flags&TIFF_SWAB)
1765 TIFFSwabLong8(ma);
1766 err=TIFFReadDirEntryCheckRangeLongLong8(*ma);
1767 if (err!=TIFFReadDirEntryErrOk)
1768 break;
1769 *mb++=(uint32)(*ma++);
1770 }
1771 }
1772 break;
1773 case TIFF_SLONG8:
1774 {
1775 int64* ma;
1776 uint32* mb;
1777 uint32 n;
1778 ma=(int64*)origdata;
1779 mb=data;
1780 for (n=0; n<count; n++)
1781 {
1782 if (tif->tif_flags&TIFF_SWAB)
1783 TIFFSwabLong8((uint64*)ma);
1784 err=TIFFReadDirEntryCheckRangeLongSlong8(*ma);
1785 if (err!=TIFFReadDirEntryErrOk)
1786 break;
1787 *mb++=(uint32)(*ma++);
1788 }
1789 }
1790 break;
1791 }
1792 _TIFFfree(origdata);
1793 if (err!=TIFFReadDirEntryErrOk)
1794 {
1795 _TIFFfree(data);
1796 return(err);
1797 }
1798 *value=data;
1799 return(TIFFReadDirEntryErrOk);
1800}
1801
1802static enum TIFFReadDirEntryErr TIFFReadDirEntrySlongArray(TIFF* tif, TIFFDirEntry* direntry, int32** value)
1803{
1804 enum TIFFReadDirEntryErr err;
1805 uint32 count;
1806 void* origdata;
1807 int32* data;
1808 switch (direntry->tdir_type)
1809 {
1810 case TIFF_BYTE:
1811 case TIFF_SBYTE:
1812 case TIFF_SHORT:
1813 case TIFF_SSHORT:
1814 case TIFF_LONG:
1815 case TIFF_SLONG:
1816 case TIFF_LONG8:
1817 case TIFF_SLONG8:
1818 break;
1819 default:
1820 return(TIFFReadDirEntryErrType);
1821 }
1822 err=TIFFReadDirEntryArray(tif,direntry,&count,4,&origdata);
1823 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
1824 {
1825 *value=0;
1826 return(err);
1827 }
1828 switch (direntry->tdir_type)
1829 {
1830 case TIFF_LONG:
1831 {
1832 uint32* m;
1833 uint32 n;
1834 m=(uint32*)origdata;
1835 for (n=0; n<count; n++)
1836 {
1837 if (tif->tif_flags&TIFF_SWAB)
1838 TIFFSwabLong((uint32*)m);
1839 err=TIFFReadDirEntryCheckRangeSlongLong(*m);
1840 if (err!=TIFFReadDirEntryErrOk)
1841 {
1842 _TIFFfree(origdata);
1843 return(err);
1844 }
1845 m++;
1846 }
1847 *value=(int32*)origdata;
1848 return(TIFFReadDirEntryErrOk);
1849 }
1850 case TIFF_SLONG:
1851 *value=(int32*)origdata;
1852 if (tif->tif_flags&TIFF_SWAB)
1853 TIFFSwabArrayOfLong((uint32*)(*value),count);
1854 return(TIFFReadDirEntryErrOk);
1855 }
1856 data=(int32*)_TIFFmalloc(count*4);
1857 if (data==0)
1858 {
1859 _TIFFfree(origdata);
1860 return(TIFFReadDirEntryErrAlloc);
1861 }
1862 switch (direntry->tdir_type)
1863 {
1864 case TIFF_BYTE:
1865 {
1866 uint8* ma;
1867 int32* mb;
1868 uint32 n;
1869 ma=(uint8*)origdata;
1870 mb=data;
1871 for (n=0; n<count; n++)
1872 *mb++=(int32)(*ma++);
1873 }
1874 break;
1875 case TIFF_SBYTE:
1876 {
1877 int8* ma;
1878 int32* mb;
1879 uint32 n;
1880 ma=(int8*)origdata;
1881 mb=data;
1882 for (n=0; n<count; n++)
1883 *mb++=(int32)(*ma++);
1884 }
1885 break;
1886 case TIFF_SHORT:
1887 {
1888 uint16* ma;
1889 int32* mb;
1890 uint32 n;
1891 ma=(uint16*)origdata;
1892 mb=data;
1893 for (n=0; n<count; n++)
1894 {
1895 if (tif->tif_flags&TIFF_SWAB)
1896 TIFFSwabShort(ma);
1897 *mb++=(int32)(*ma++);
1898 }
1899 }
1900 break;
1901 case TIFF_SSHORT:
1902 {
1903 int16* ma;
1904 int32* mb;
1905 uint32 n;
1906 ma=(int16*)origdata;
1907 mb=data;
1908 for (n=0; n<count; n++)
1909 {
1910 if (tif->tif_flags&TIFF_SWAB)
1911 TIFFSwabShort((uint16*)ma);
1912 *mb++=(int32)(*ma++);
1913 }
1914 }
1915 break;
1916 case TIFF_LONG8:
1917 {
1918 uint64* ma;
1919 int32* mb;
1920 uint32 n;
1921 ma=(uint64*)origdata;
1922 mb=data;
1923 for (n=0; n<count; n++)
1924 {
1925 if (tif->tif_flags&TIFF_SWAB)
1926 TIFFSwabLong8(ma);
1927 err=TIFFReadDirEntryCheckRangeSlongLong8(*ma);
1928 if (err!=TIFFReadDirEntryErrOk)
1929 break;
1930 *mb++=(int32)(*ma++);
1931 }
1932 }
1933 break;
1934 case TIFF_SLONG8:
1935 {
1936 int64* ma;
1937 int32* mb;
1938 uint32 n;
1939 ma=(int64*)origdata;
1940 mb=data;
1941 for (n=0; n<count; n++)
1942 {
1943 if (tif->tif_flags&TIFF_SWAB)
1944 TIFFSwabLong8((uint64*)ma);
1945 err=TIFFReadDirEntryCheckRangeSlongSlong8(*ma);
1946 if (err!=TIFFReadDirEntryErrOk)
1947 break;
1948 *mb++=(int32)(*ma++);
1949 }
1950 }
1951 break;
1952 }
1953 _TIFFfree(origdata);
1954 if (err!=TIFFReadDirEntryErrOk)
1955 {
1956 _TIFFfree(data);
1957 return(err);
1958 }
1959 *value=data;
1960 return(TIFFReadDirEntryErrOk);
1961}
1962
1963static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8ArrayWithLimit(
1964 TIFF* tif, TIFFDirEntry* direntry, uint64** value, uint64 maxcount)
1965{
1966 enum TIFFReadDirEntryErr err;
1967 uint32 count;
1968 void* origdata;
1969 uint64* data;
1970 switch (direntry->tdir_type)
1971 {
1972 case TIFF_BYTE:
1973 case TIFF_SBYTE:
1974 case TIFF_SHORT:
1975 case TIFF_SSHORT:
1976 case TIFF_LONG:
1977 case TIFF_SLONG:
1978 case TIFF_LONG8:
1979 case TIFF_SLONG8:
1980 break;
1981 default:
1982 return(TIFFReadDirEntryErrType);
1983 }
1984 err=TIFFReadDirEntryArrayWithLimit(tif,direntry,&count,8,&origdata,maxcount);
1985 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
1986 {
1987 *value=0;
1988 return(err);
1989 }
1990 switch (direntry->tdir_type)
1991 {
1992 case TIFF_LONG8:
1993 *value=(uint64*)origdata;
1994 if (tif->tif_flags&TIFF_SWAB)
1995 TIFFSwabArrayOfLong8(*value,count);
1996 return(TIFFReadDirEntryErrOk);
1997 case TIFF_SLONG8:
1998 {
1999 int64* m;
2000 uint32 n;
2001 m=(int64*)origdata;
2002 for (n=0; n<count; n++)
2003 {
2004 if (tif->tif_flags&TIFF_SWAB)
2005 TIFFSwabLong8((uint64*)m);
2006 err=TIFFReadDirEntryCheckRangeLong8Slong8(*m);
2007 if (err!=TIFFReadDirEntryErrOk)
2008 {
2009 _TIFFfree(origdata);
2010 return(err);
2011 }
2012 m++;
2013 }
2014 *value=(uint64*)origdata;
2015 return(TIFFReadDirEntryErrOk);
2016 }
2017 }
2018 data=(uint64*)_TIFFmalloc(count*8);
2019 if (data==0)
2020 {
2021 _TIFFfree(origdata);
2022 return(TIFFReadDirEntryErrAlloc);
2023 }
2024 switch (direntry->tdir_type)
2025 {
2026 case TIFF_BYTE:
2027 {
2028 uint8* ma;
2029 uint64* mb;
2030 uint32 n;
2031 ma=(uint8*)origdata;
2032 mb=data;
2033 for (n=0; n<count; n++)
2034 *mb++=(uint64)(*ma++);
2035 }
2036 break;
2037 case TIFF_SBYTE:
2038 {
2039 int8* ma;
2040 uint64* mb;
2041 uint32 n;
2042 ma=(int8*)origdata;
2043 mb=data;
2044 for (n=0; n<count; n++)
2045 {
2046 err=TIFFReadDirEntryCheckRangeLong8Sbyte(*ma);
2047 if (err!=TIFFReadDirEntryErrOk)
2048 break;
2049 *mb++=(uint64)(*ma++);
2050 }
2051 }
2052 break;
2053 case TIFF_SHORT:
2054 {
2055 uint16* ma;
2056 uint64* mb;
2057 uint32 n;
2058 ma=(uint16*)origdata;
2059 mb=data;
2060 for (n=0; n<count; n++)
2061 {
2062 if (tif->tif_flags&TIFF_SWAB)
2063 TIFFSwabShort(ma);
2064 *mb++=(uint64)(*ma++);
2065 }
2066 }
2067 break;
2068 case TIFF_SSHORT:
2069 {
2070 int16* ma;
2071 uint64* mb;
2072 uint32 n;
2073 ma=(int16*)origdata;
2074 mb=data;
2075 for (n=0; n<count; n++)
2076 {
2077 if (tif->tif_flags&TIFF_SWAB)
2078 TIFFSwabShort((uint16*)ma);
2079 err=TIFFReadDirEntryCheckRangeLong8Sshort(*ma);
2080 if (err!=TIFFReadDirEntryErrOk)
2081 break;
2082 *mb++=(uint64)(*ma++);
2083 }
2084 }
2085 break;
2086 case TIFF_LONG:
2087 {
2088 uint32* ma;
2089 uint64* mb;
2090 uint32 n;
2091 ma=(uint32*)origdata;
2092 mb=data;
2093 for (n=0; n<count; n++)
2094 {
2095 if (tif->tif_flags&TIFF_SWAB)
2096 TIFFSwabLong(ma);
2097 *mb++=(uint64)(*ma++);
2098 }
2099 }
2100 break;
2101 case TIFF_SLONG:
2102 {
2103 int32* ma;
2104 uint64* mb;
2105 uint32 n;
2106 ma=(int32*)origdata;
2107 mb=data;
2108 for (n=0; n<count; n++)
2109 {
2110 if (tif->tif_flags&TIFF_SWAB)
2111 TIFFSwabLong((uint32*)ma);
2112 err=TIFFReadDirEntryCheckRangeLong8Slong(*ma);
2113 if (err!=TIFFReadDirEntryErrOk)
2114 break;
2115 *mb++=(uint64)(*ma++);
2116 }
2117 }
2118 break;
2119 }
2120 _TIFFfree(origdata);
2121 if (err!=TIFFReadDirEntryErrOk)
2122 {
2123 _TIFFfree(data);
2124 return(err);
2125 }
2126 *value=data;
2127 return(TIFFReadDirEntryErrOk);
2128}
2129
2130static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value)
2131{
2132 return TIFFReadDirEntryLong8ArrayWithLimit(tif, direntry, value, ~((uint64)0));
2133}
2134
2135static enum TIFFReadDirEntryErr TIFFReadDirEntrySlong8Array(TIFF* tif, TIFFDirEntry* direntry, int64** value)
2136{
2137 enum TIFFReadDirEntryErr err;
2138 uint32 count;
2139 void* origdata;
2140 int64* data;
2141 switch (direntry->tdir_type)
2142 {
2143 case TIFF_BYTE:
2144 case TIFF_SBYTE:
2145 case TIFF_SHORT:
2146 case TIFF_SSHORT:
2147 case TIFF_LONG:
2148 case TIFF_SLONG:
2149 case TIFF_LONG8:
2150 case TIFF_SLONG8:
2151 break;
2152 default:
2153 return(TIFFReadDirEntryErrType);
2154 }
2155 err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
2156 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
2157 {
2158 *value=0;
2159 return(err);
2160 }
2161 switch (direntry->tdir_type)
2162 {
2163 case TIFF_LONG8:
2164 {
2165 uint64* m;
2166 uint32 n;
2167 m=(uint64*)origdata;
2168 for (n=0; n<count; n++)
2169 {
2170 if (tif->tif_flags&TIFF_SWAB)
2171 TIFFSwabLong8(m);
2172 err=TIFFReadDirEntryCheckRangeSlong8Long8(*m);
2173 if (err!=TIFFReadDirEntryErrOk)
2174 {
2175 _TIFFfree(origdata);
2176 return(err);
2177 }
2178 m++;
2179 }
2180 *value=(int64*)origdata;
2181 return(TIFFReadDirEntryErrOk);
2182 }
2183 case TIFF_SLONG8:
2184 *value=(int64*)origdata;
2185 if (tif->tif_flags&TIFF_SWAB)
2186 TIFFSwabArrayOfLong8((uint64*)(*value),count);
2187 return(TIFFReadDirEntryErrOk);
2188 }
2189 data=(int64*)_TIFFmalloc(count*8);
2190 if (data==0)
2191 {
2192 _TIFFfree(origdata);
2193 return(TIFFReadDirEntryErrAlloc);
2194 }
2195 switch (direntry->tdir_type)
2196 {
2197 case TIFF_BYTE:
2198 {
2199 uint8* ma;
2200 int64* mb;
2201 uint32 n;
2202 ma=(uint8*)origdata;
2203 mb=data;
2204 for (n=0; n<count; n++)
2205 *mb++=(int64)(*ma++);
2206 }
2207 break;
2208 case TIFF_SBYTE:
2209 {
2210 int8* ma;
2211 int64* mb;
2212 uint32 n;
2213 ma=(int8*)origdata;
2214 mb=data;
2215 for (n=0; n<count; n++)
2216 *mb++=(int64)(*ma++);
2217 }
2218 break;
2219 case TIFF_SHORT:
2220 {
2221 uint16* ma;
2222 int64* mb;
2223 uint32 n;
2224 ma=(uint16*)origdata;
2225 mb=data;
2226 for (n=0; n<count; n++)
2227 {
2228 if (tif->tif_flags&TIFF_SWAB)
2229 TIFFSwabShort(ma);
2230 *mb++=(int64)(*ma++);
2231 }
2232 }
2233 break;
2234 case TIFF_SSHORT:
2235 {
2236 int16* ma;
2237 int64* mb;
2238 uint32 n;
2239 ma=(int16*)origdata;
2240 mb=data;
2241 for (n=0; n<count; n++)
2242 {
2243 if (tif->tif_flags&TIFF_SWAB)
2244 TIFFSwabShort((uint16*)ma);
2245 *mb++=(int64)(*ma++);
2246 }
2247 }
2248 break;
2249 case TIFF_LONG:
2250 {
2251 uint32* ma;
2252 int64* mb;
2253 uint32 n;
2254 ma=(uint32*)origdata;
2255 mb=data;
2256 for (n=0; n<count; n++)
2257 {
2258 if (tif->tif_flags&TIFF_SWAB)
2259 TIFFSwabLong(ma);
2260 *mb++=(int64)(*ma++);
2261 }
2262 }
2263 break;
2264 case TIFF_SLONG:
2265 {
2266 int32* ma;
2267 int64* mb;
2268 uint32 n;
2269 ma=(int32*)origdata;
2270 mb=data;
2271 for (n=0; n<count; n++)
2272 {
2273 if (tif->tif_flags&TIFF_SWAB)
2274 TIFFSwabLong((uint32*)ma);
2275 *mb++=(int64)(*ma++);
2276 }
2277 }
2278 break;
2279 }
2280 _TIFFfree(origdata);
2281 *value=data;
2282 return(TIFFReadDirEntryErrOk);
2283}
2284
2285static enum TIFFReadDirEntryErr TIFFReadDirEntryFloatArray(TIFF* tif, TIFFDirEntry* direntry, float** value)
2286{
2287 enum TIFFReadDirEntryErr err;
2288 uint32 count;
2289 void* origdata;
2290 float* data;
2291 switch (direntry->tdir_type)
2292 {
2293 case TIFF_BYTE:
2294 case TIFF_SBYTE:
2295 case TIFF_SHORT:
2296 case TIFF_SSHORT:
2297 case TIFF_LONG:
2298 case TIFF_SLONG:
2299 case TIFF_LONG8:
2300 case TIFF_SLONG8:
2301 case TIFF_RATIONAL:
2302 case TIFF_SRATIONAL:
2303 case TIFF_FLOAT:
2304 case TIFF_DOUBLE:
2305 break;
2306 default:
2307 return(TIFFReadDirEntryErrType);
2308 }
2309 err=TIFFReadDirEntryArray(tif,direntry,&count,4,&origdata);
2310 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
2311 {
2312 *value=0;
2313 return(err);
2314 }
2315 switch (direntry->tdir_type)
2316 {
2317 case TIFF_FLOAT:
2318 if (tif->tif_flags&TIFF_SWAB)
2319 TIFFSwabArrayOfLong((uint32*)origdata,count);
2320 TIFFCvtIEEEDoubleToNative(tif,count,(float*)origdata);
2321 *value=(float*)origdata;
2322 return(TIFFReadDirEntryErrOk);
2323 }
2324 data=(float*)_TIFFmalloc(count*sizeof(float));
2325 if (data==0)
2326 {
2327 _TIFFfree(origdata);
2328 return(TIFFReadDirEntryErrAlloc);
2329 }
2330 switch (direntry->tdir_type)
2331 {
2332 case TIFF_BYTE:
2333 {
2334 uint8* ma;
2335 float* mb;
2336 uint32 n;
2337 ma=(uint8*)origdata;
2338 mb=data;
2339 for (n=0; n<count; n++)
2340 *mb++=(float)(*ma++);
2341 }
2342 break;
2343 case TIFF_SBYTE:
2344 {
2345 int8* ma;
2346 float* mb;
2347 uint32 n;
2348 ma=(int8*)origdata;
2349 mb=data;
2350 for (n=0; n<count; n++)
2351 *mb++=(float)(*ma++);
2352 }
2353 break;
2354 case TIFF_SHORT:
2355 {
2356 uint16* ma;
2357 float* mb;
2358 uint32 n;
2359 ma=(uint16*)origdata;
2360 mb=data;
2361 for (n=0; n<count; n++)
2362 {
2363 if (tif->tif_flags&TIFF_SWAB)
2364 TIFFSwabShort(ma);
2365 *mb++=(float)(*ma++);
2366 }
2367 }
2368 break;
2369 case TIFF_SSHORT:
2370 {
2371 int16* ma;
2372 float* mb;
2373 uint32 n;
2374 ma=(int16*)origdata;
2375 mb=data;
2376 for (n=0; n<count; n++)
2377 {
2378 if (tif->tif_flags&TIFF_SWAB)
2379 TIFFSwabShort((uint16*)ma);
2380 *mb++=(float)(*ma++);
2381 }
2382 }
2383 break;
2384 case TIFF_LONG:
2385 {
2386 uint32* ma;
2387 float* mb;
2388 uint32 n;
2389 ma=(uint32*)origdata;
2390 mb=data;
2391 for (n=0; n<count; n++)
2392 {
2393 if (tif->tif_flags&TIFF_SWAB)
2394 TIFFSwabLong(ma);
2395 *mb++=(float)(*ma++);
2396 }
2397 }
2398 break;
2399 case TIFF_SLONG:
2400 {
2401 int32* ma;
2402 float* mb;
2403 uint32 n;
2404 ma=(int32*)origdata;
2405 mb=data;
2406 for (n=0; n<count; n++)
2407 {
2408 if (tif->tif_flags&TIFF_SWAB)
2409 TIFFSwabLong((uint32*)ma);
2410 *mb++=(float)(*ma++);
2411 }
2412 }
2413 break;
2414 case TIFF_LONG8:
2415 {
2416 uint64* ma;
2417 float* mb;
2418 uint32 n;
2419 ma=(uint64*)origdata;
2420 mb=data;
2421 for (n=0; n<count; n++)
2422 {
2423 if (tif->tif_flags&TIFF_SWAB)
2424 TIFFSwabLong8(ma);
2425#if defined(__WIN32__) && (_MSC_VER < 1500)
2426 /*
2427 * XXX: MSVC 6.0 does not support
2428 * conversion of 64-bit integers into
2429 * floating point values.
2430 */
2431 *mb++ = _TIFFUInt64ToFloat(*ma++);
2432#else
2433 *mb++ = (float)(*ma++);
2434#endif
2435 }
2436 }
2437 break;
2438 case TIFF_SLONG8:
2439 {
2440 int64* ma;
2441 float* mb;
2442 uint32 n;
2443 ma=(int64*)origdata;
2444 mb=data;
2445 for (n=0; n<count; n++)
2446 {
2447 if (tif->tif_flags&TIFF_SWAB)
2448 TIFFSwabLong8((uint64*)ma);
2449 *mb++=(float)(*ma++);
2450 }
2451 }
2452 break;
2453 case TIFF_RATIONAL:
2454 {
2455 uint32* ma;
2456 uint32 maa;
2457 uint32 mab;
2458 float* mb;
2459 uint32 n;
2460 ma=(uint32*)origdata;
2461 mb=data;
2462 for (n=0; n<count; n++)
2463 {
2464 if (tif->tif_flags&TIFF_SWAB)
2465 TIFFSwabLong(ma);
2466 maa=*ma++;
2467 if (tif->tif_flags&TIFF_SWAB)
2468 TIFFSwabLong(ma);
2469 mab=*ma++;
2470 if (mab==0)
2471 *mb++=0.0;
2472 else
2473 *mb++=(float)maa/(float)mab;
2474 }
2475 }
2476 break;
2477 case TIFF_SRATIONAL:
2478 {
2479 uint32* ma;
2480 int32 maa;
2481 uint32 mab;
2482 float* mb;
2483 uint32 n;
2484 ma=(uint32*)origdata;
2485 mb=data;
2486 for (n=0; n<count; n++)
2487 {
2488 if (tif->tif_flags&TIFF_SWAB)
2489 TIFFSwabLong(ma);
2490 maa=*(int32*)ma;
2491 ma++;
2492 if (tif->tif_flags&TIFF_SWAB)
2493 TIFFSwabLong(ma);
2494 mab=*ma++;
2495 if (mab==0)
2496 *mb++=0.0;
2497 else
2498 *mb++=(float)maa/(float)mab;
2499 }
2500 }
2501 break;
2502 case TIFF_DOUBLE:
2503 {
2504 double* ma;
2505 float* mb;
2506 uint32 n;
2507 if (tif->tif_flags&TIFF_SWAB)
2508 TIFFSwabArrayOfLong8((uint64*)origdata,count);
2509 TIFFCvtIEEEDoubleToNative(tif,count,(double*)origdata);
2510 ma=(double*)origdata;
2511 mb=data;
2512 for (n=0; n<count; n++)
2513 {
2514 double val = *ma++;
2515 if( val > FLT_MAX )
2516 val = FLT_MAX;
2517 else if( val < -FLT_MAX )
2518 val = -FLT_MAX;
2519 *mb++=(float)val;
2520 }
2521 }
2522 break;
2523 }
2524 _TIFFfree(origdata);
2525 *value=data;
2526 return(TIFFReadDirEntryErrOk);
2527}
2528
2529static enum TIFFReadDirEntryErr
2530TIFFReadDirEntryDoubleArray(TIFF* tif, TIFFDirEntry* direntry, double** value)
2531{
2532 enum TIFFReadDirEntryErr err;
2533 uint32 count;
2534 void* origdata;
2535 double* data;
2536 switch (direntry->tdir_type)
2537 {
2538 case TIFF_BYTE:
2539 case TIFF_SBYTE:
2540 case TIFF_SHORT:
2541 case TIFF_SSHORT:
2542 case TIFF_LONG:
2543 case TIFF_SLONG:
2544 case TIFF_LONG8:
2545 case TIFF_SLONG8:
2546 case TIFF_RATIONAL:
2547 case TIFF_SRATIONAL:
2548 case TIFF_FLOAT:
2549 case TIFF_DOUBLE:
2550 break;
2551 default:
2552 return(TIFFReadDirEntryErrType);
2553 }
2554 err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
2555 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
2556 {
2557 *value=0;
2558 return(err);
2559 }
2560 switch (direntry->tdir_type)
2561 {
2562 case TIFF_DOUBLE:
2563 if (tif->tif_flags&TIFF_SWAB)
2564 TIFFSwabArrayOfLong8((uint64*)origdata,count);
2565 TIFFCvtIEEEDoubleToNative(tif,count,(double*)origdata);
2566 *value=(double*)origdata;
2567 return(TIFFReadDirEntryErrOk);
2568 }
2569 data=(double*)_TIFFmalloc(count*sizeof(double));
2570 if (data==0)
2571 {
2572 _TIFFfree(origdata);
2573 return(TIFFReadDirEntryErrAlloc);
2574 }
2575 switch (direntry->tdir_type)
2576 {
2577 case TIFF_BYTE:
2578 {
2579 uint8* ma;
2580 double* mb;
2581 uint32 n;
2582 ma=(uint8*)origdata;
2583 mb=data;
2584 for (n=0; n<count; n++)
2585 *mb++=(double)(*ma++);
2586 }
2587 break;
2588 case TIFF_SBYTE:
2589 {
2590 int8* ma;
2591 double* mb;
2592 uint32 n;
2593 ma=(int8*)origdata;
2594 mb=data;
2595 for (n=0; n<count; n++)
2596 *mb++=(double)(*ma++);
2597 }
2598 break;
2599 case TIFF_SHORT:
2600 {
2601 uint16* ma;
2602 double* mb;
2603 uint32 n;
2604 ma=(uint16*)origdata;
2605 mb=data;
2606 for (n=0; n<count; n++)
2607 {
2608 if (tif->tif_flags&TIFF_SWAB)
2609 TIFFSwabShort(ma);
2610 *mb++=(double)(*ma++);
2611 }
2612 }
2613 break;
2614 case TIFF_SSHORT:
2615 {
2616 int16* ma;
2617 double* mb;
2618 uint32 n;
2619 ma=(int16*)origdata;
2620 mb=data;
2621 for (n=0; n<count; n++)
2622 {
2623 if (tif->tif_flags&TIFF_SWAB)
2624 TIFFSwabShort((uint16*)ma);
2625 *mb++=(double)(*ma++);
2626 }
2627 }
2628 break;
2629 case TIFF_LONG:
2630 {
2631 uint32* ma;
2632 double* mb;
2633 uint32 n;
2634 ma=(uint32*)origdata;
2635 mb=data;
2636 for (n=0; n<count; n++)
2637 {
2638 if (tif->tif_flags&TIFF_SWAB)
2639 TIFFSwabLong(ma);
2640 *mb++=(double)(*ma++);
2641 }
2642 }
2643 break;
2644 case TIFF_SLONG:
2645 {
2646 int32* ma;
2647 double* mb;
2648 uint32 n;
2649 ma=(int32*)origdata;
2650 mb=data;
2651 for (n=0; n<count; n++)
2652 {
2653 if (tif->tif_flags&TIFF_SWAB)
2654 TIFFSwabLong((uint32*)ma);
2655 *mb++=(double)(*ma++);
2656 }
2657 }
2658 break;
2659 case TIFF_LONG8:
2660 {
2661 uint64* ma;
2662 double* mb;
2663 uint32 n;
2664 ma=(uint64*)origdata;
2665 mb=data;
2666 for (n=0; n<count; n++)
2667 {
2668 if (tif->tif_flags&TIFF_SWAB)
2669 TIFFSwabLong8(ma);
2670#if defined(__WIN32__) && (_MSC_VER < 1500)
2671 /*
2672 * XXX: MSVC 6.0 does not support
2673 * conversion of 64-bit integers into
2674 * floating point values.
2675 */
2676 *mb++ = _TIFFUInt64ToDouble(*ma++);
2677#else
2678 *mb++ = (double)(*ma++);
2679#endif
2680 }
2681 }
2682 break;
2683 case TIFF_SLONG8:
2684 {
2685 int64* ma;
2686 double* mb;
2687 uint32 n;
2688 ma=(int64*)origdata;
2689 mb=data;
2690 for (n=0; n<count; n++)
2691 {
2692 if (tif->tif_flags&TIFF_SWAB)
2693 TIFFSwabLong8((uint64*)ma);
2694 *mb++=(double)(*ma++);
2695 }
2696 }
2697 break;
2698 case TIFF_RATIONAL:
2699 {
2700 uint32* ma;
2701 uint32 maa;
2702 uint32 mab;
2703 double* mb;
2704 uint32 n;
2705 ma=(uint32*)origdata;
2706 mb=data;
2707 for (n=0; n<count; n++)
2708 {
2709 if (tif->tif_flags&TIFF_SWAB)
2710 TIFFSwabLong(ma);
2711 maa=*ma++;
2712 if (tif->tif_flags&TIFF_SWAB)
2713 TIFFSwabLong(ma);
2714 mab=*ma++;
2715 if (mab==0)
2716 *mb++=0.0;
2717 else
2718 *mb++=(double)maa/(double)mab;
2719 }
2720 }
2721 break;
2722 case TIFF_SRATIONAL:
2723 {
2724 uint32* ma;
2725 int32 maa;
2726 uint32 mab;
2727 double* mb;
2728 uint32 n;
2729 ma=(uint32*)origdata;
2730 mb=data;
2731 for (n=0; n<count; n++)
2732 {
2733 if (tif->tif_flags&TIFF_SWAB)
2734 TIFFSwabLong(ma);
2735 maa=*(int32*)ma;
2736 ma++;
2737 if (tif->tif_flags&TIFF_SWAB)
2738 TIFFSwabLong(ma);
2739 mab=*ma++;
2740 if (mab==0)
2741 *mb++=0.0;
2742 else
2743 *mb++=(double)maa/(double)mab;
2744 }
2745 }
2746 break;
2747 case TIFF_FLOAT:
2748 {
2749 float* ma;
2750 double* mb;
2751 uint32 n;
2752 if (tif->tif_flags&TIFF_SWAB)
2753 TIFFSwabArrayOfLong((uint32*)origdata,count);
2754 TIFFCvtIEEEFloatToNative(tif,count,(float*)origdata);
2755 ma=(float*)origdata;
2756 mb=data;
2757 for (n=0; n<count; n++)
2758 *mb++=(double)(*ma++);
2759 }
2760 break;
2761 }
2762 _TIFFfree(origdata);
2763 *value=data;
2764 return(TIFFReadDirEntryErrOk);
2765}
2766
2767static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value)
2768{
2769 enum TIFFReadDirEntryErr err;
2770 uint32 count;
2771 void* origdata;
2772 uint64* data;
2773 switch (direntry->tdir_type)
2774 {
2775 case TIFF_LONG:
2776 case TIFF_LONG8:
2777 case TIFF_IFD:
2778 case TIFF_IFD8:
2779 break;
2780 default:
2781 return(TIFFReadDirEntryErrType);
2782 }
2783 err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
2784 if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
2785 {
2786 *value=0;
2787 return(err);
2788 }
2789 switch (direntry->tdir_type)
2790 {
2791 case TIFF_LONG8:
2792 case TIFF_IFD8:
2793 *value=(uint64*)origdata;
2794 if (tif->tif_flags&TIFF_SWAB)
2795 TIFFSwabArrayOfLong8(*value,count);
2796 return(TIFFReadDirEntryErrOk);
2797 }
2798 data=(uint64*)_TIFFmalloc(count*8);
2799 if (data==0)
2800 {
2801 _TIFFfree(origdata);
2802 return(TIFFReadDirEntryErrAlloc);
2803 }
2804 switch (direntry->tdir_type)
2805 {
2806 case TIFF_LONG:
2807 case TIFF_IFD:
2808 {
2809 uint32* ma;
2810 uint64* mb;
2811 uint32 n;
2812 ma=(uint32*)origdata;
2813 mb=data;
2814 for (n=0; n<count; n++)
2815 {
2816 if (tif->tif_flags&TIFF_SWAB)
2817 TIFFSwabLong(ma);
2818 *mb++=(uint64)(*ma++);
2819 }
2820 }
2821 break;
2822 }
2823 _TIFFfree(origdata);
2824 *value=data;
2825 return(TIFFReadDirEntryErrOk);
2826}
2827
2828static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value)
2829{
2830 enum TIFFReadDirEntryErr err;
2831 uint16* m;
2832 uint16* na;
2833 uint16 nb;
2834 if (direntry->tdir_count<(uint64)tif->tif_dir.td_samplesperpixel)
2835 return(TIFFReadDirEntryErrCount);
2836 err=TIFFReadDirEntryShortArray(tif,direntry,&m);
2837 if (err!=TIFFReadDirEntryErrOk || m == NULL)
2838 return(err);
2839 na=m;
2840 nb=tif->tif_dir.td_samplesperpixel;
2841 *value=*na++;
2842 nb--;
2843 while (nb>0)
2844 {
2845 if (*na++!=*value)
2846 {
2847 err=TIFFReadDirEntryErrPsdif;
2848 break;
2849 }
2850 nb--;
2851 }
2852 _TIFFfree(m);
2853 return(err);
2854}
2855
2856#if 0
2857static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleDouble(TIFF* tif, TIFFDirEntry* direntry, double* value)
2858{
2859 enum TIFFReadDirEntryErr err;
2860 double* m;
2861 double* na;
2862 uint16 nb;
2863 if (direntry->tdir_count<(uint64)tif->tif_dir.td_samplesperpixel)
2864 return(TIFFReadDirEntryErrCount);
2865 err=TIFFReadDirEntryDoubleArray(tif,direntry,&m);
2866 if (err!=TIFFReadDirEntryErrOk)
2867 return(err);
2868 na=m;
2869 nb=tif->tif_dir.td_samplesperpixel;
2870 *value=*na++;
2871 nb--;
2872 while (nb>0)
2873 {
2874 if (*na++!=*value)
2875 {
2876 err=TIFFReadDirEntryErrPsdif;
2877 break;
2878 }
2879 nb--;
2880 }
2881 _TIFFfree(m);
2882 return(err);
2883}
2884#endif
2885
2886static void TIFFReadDirEntryCheckedByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value)
2887{
2888 (void) tif;
2889 *value=*(uint8*)(&direntry->tdir_offset);
2890}
2891
2892static void TIFFReadDirEntryCheckedSbyte(TIFF* tif, TIFFDirEntry* direntry, int8* value)
2893{
2894 (void) tif;
2895 *value=*(int8*)(&direntry->tdir_offset);
2896}
2897
2898static void TIFFReadDirEntryCheckedShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value)
2899{
2900 *value = direntry->tdir_offset.toff_short;
2901 /* *value=*(uint16*)(&direntry->tdir_offset); */
2902 if (tif->tif_flags&TIFF_SWAB)
2903 TIFFSwabShort(value);
2904}
2905
2906static void TIFFReadDirEntryCheckedSshort(TIFF* tif, TIFFDirEntry* direntry, int16* value)
2907{
2908 *value=*(int16*)(&direntry->tdir_offset);
2909 if (tif->tif_flags&TIFF_SWAB)
2910 TIFFSwabShort((uint16*)value);
2911}
2912
2913static void TIFFReadDirEntryCheckedLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value)
2914{
2915 *value=*(uint32*)(&direntry->tdir_offset);
2916 if (tif->tif_flags&TIFF_SWAB)
2917 TIFFSwabLong(value);
2918}
2919
2920static void TIFFReadDirEntryCheckedSlong(TIFF* tif, TIFFDirEntry* direntry, int32* value)
2921{
2922 *value=*(int32*)(&direntry->tdir_offset);
2923 if (tif->tif_flags&TIFF_SWAB)
2924 TIFFSwabLong((uint32*)value);
2925}
2926
2927static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value)
2928{
2929 if (!(tif->tif_flags&TIFF_BIGTIFF))
2930 {
2931 enum TIFFReadDirEntryErr err;
2932 uint32 offset = direntry->tdir_offset.toff_long;
2933 if (tif->tif_flags&TIFF_SWAB)
2934 TIFFSwabLong(&offset);
2935 err=TIFFReadDirEntryData(tif,offset,8,value);
2936 if (err!=TIFFReadDirEntryErrOk)
2937 return(err);
2938 }
2939 else
2940 *value = direntry->tdir_offset.toff_long8;
2941 if (tif->tif_flags&TIFF_SWAB)
2942 TIFFSwabLong8(value);
2943 return(TIFFReadDirEntryErrOk);
2944}
2945
2946static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSlong8(TIFF* tif, TIFFDirEntry* direntry, int64* value)
2947{
2948 if (!(tif->tif_flags&TIFF_BIGTIFF))
2949 {
2950 enum TIFFReadDirEntryErr err;
2951 uint32 offset = direntry->tdir_offset.toff_long;
2952 if (tif->tif_flags&TIFF_SWAB)
2953 TIFFSwabLong(&offset);
2954 err=TIFFReadDirEntryData(tif,offset,8,value);
2955 if (err!=TIFFReadDirEntryErrOk)
2956 return(err);
2957 }
2958 else
2959 *value=*(int64*)(&direntry->tdir_offset);
2960 if (tif->tif_flags&TIFF_SWAB)
2961 TIFFSwabLong8((uint64*)value);
2962 return(TIFFReadDirEntryErrOk);
2963}
2964
2965static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedRational(TIFF* tif, TIFFDirEntry* direntry, double* value)
2966{
2967 UInt64Aligned_t m;
2968
2969 assert(sizeof(double)==8);
2970 assert(sizeof(uint64)==8);
2971 assert(sizeof(uint32)==4);
2972 if (!(tif->tif_flags&TIFF_BIGTIFF))
2973 {
2974 enum TIFFReadDirEntryErr err;
2975 uint32 offset = direntry->tdir_offset.toff_long;
2976 if (tif->tif_flags&TIFF_SWAB)
2977 TIFFSwabLong(&offset);
2978 err=TIFFReadDirEntryData(tif,offset,8,m.i);
2979 if (err!=TIFFReadDirEntryErrOk)
2980 return(err);
2981 }
2982 else
2983 m.l = direntry->tdir_offset.toff_long8;
2984 if (tif->tif_flags&TIFF_SWAB)
2985 TIFFSwabArrayOfLong(m.i,2);
2986 /* Not completely sure what we should do when m.i[1]==0, but some */
2987 /* sanitizers do not like division by 0.0: */
2988 /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */
2989 if (m.i[0]==0 || m.i[1]==0)
2990 *value=0.0;
2991 else
2992 *value=(double)m.i[0]/(double)m.i[1];
2993 return(TIFFReadDirEntryErrOk);
2994}
2995
2996static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSrational(TIFF* tif, TIFFDirEntry* direntry, double* value)
2997{
2998 UInt64Aligned_t m;
2999 assert(sizeof(double)==8);
3000 assert(sizeof(uint64)==8);
3001 assert(sizeof(int32)==4);
3002 assert(sizeof(uint32)==4);
3003 if (!(tif->tif_flags&TIFF_BIGTIFF))
3004 {
3005 enum TIFFReadDirEntryErr err;
3006 uint32 offset = direntry->tdir_offset.toff_long;
3007 if (tif->tif_flags&TIFF_SWAB)
3008 TIFFSwabLong(&offset);
3009 err=TIFFReadDirEntryData(tif,offset,8,m.i);
3010 if (err!=TIFFReadDirEntryErrOk)
3011 return(err);
3012 }
3013 else
3014 m.l=direntry->tdir_offset.toff_long8;
3015 if (tif->tif_flags&TIFF_SWAB)
3016 TIFFSwabArrayOfLong(m.i,2);
3017 /* Not completely sure what we should do when m.i[1]==0, but some */
3018 /* sanitizers do not like division by 0.0: */
3019 /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */
3020 if ((int32)m.i[0]==0 || m.i[1]==0)
3021 *value=0.0;
3022 else
3023 *value=(double)((int32)m.i[0])/(double)m.i[1];
3024 return(TIFFReadDirEntryErrOk);
3025}
3026
3027static void TIFFReadDirEntryCheckedFloat(TIFF* tif, TIFFDirEntry* direntry, float* value)
3028{
3029 union
3030 {
3031 float f;
3032 uint32 i;
3033 } float_union;
3034 assert(sizeof(float)==4);
3035 assert(sizeof(uint32)==4);
3036 assert(sizeof(float_union)==4);
3037 float_union.i=*(uint32*)(&direntry->tdir_offset);
3038 *value=float_union.f;
3039 if (tif->tif_flags&TIFF_SWAB)
3040 TIFFSwabLong((uint32*)value);
3041}
3042
3043static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedDouble(TIFF* tif, TIFFDirEntry* direntry, double* value)
3044{
3045 assert(sizeof(double)==8);
3046 assert(sizeof(uint64)==8);
3047 assert(sizeof(UInt64Aligned_t)==8);
3048 if (!(tif->tif_flags&TIFF_BIGTIFF))
3049 {
3050 enum TIFFReadDirEntryErr err;
3051 uint32 offset = direntry->tdir_offset.toff_long;
3052 if (tif->tif_flags&TIFF_SWAB)
3053 TIFFSwabLong(&offset);
3054 err=TIFFReadDirEntryData(tif,offset,8,value);
3055 if (err!=TIFFReadDirEntryErrOk)
3056 return(err);
3057 }
3058 else
3059 {
3060 UInt64Aligned_t uint64_union;
3061 uint64_union.l=direntry->tdir_offset.toff_long8;
3062 *value=uint64_union.d;
3063 }
3064 if (tif->tif_flags&TIFF_SWAB)
3065 TIFFSwabLong8((uint64*)value);
3066 return(TIFFReadDirEntryErrOk);
3067}
3068
3069static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSbyte(int8 value)
3070{
3071 if (value<0)
3072 return(TIFFReadDirEntryErrRange);
3073 else
3074 return(TIFFReadDirEntryErrOk);
3075}
3076
3077static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteShort(uint16 value)
3078{
3079 if (value>0xFF)
3080 return(TIFFReadDirEntryErrRange);
3081 else
3082 return(TIFFReadDirEntryErrOk);
3083}
3084
3085static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSshort(int16 value)
3086{
3087 if ((value<0)||(value>0xFF))
3088 return(TIFFReadDirEntryErrRange);
3089 else
3090 return(TIFFReadDirEntryErrOk);
3091}
3092
3093static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong(uint32 value)
3094{
3095 if (value>0xFF)
3096 return(TIFFReadDirEntryErrRange);
3097 else
3098 return(TIFFReadDirEntryErrOk);
3099}
3100
3101static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong(int32 value)
3102{
3103 if ((value<0)||(value>0xFF))
3104 return(TIFFReadDirEntryErrRange);
3105 else
3106 return(TIFFReadDirEntryErrOk);
3107}
3108
3109static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong8(uint64 value)
3110{
3111 if (value>0xFF)
3112 return(TIFFReadDirEntryErrRange);
3113 else
3114 return(TIFFReadDirEntryErrOk);
3115}
3116
3117static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong8(int64 value)
3118{
3119 if ((value<0)||(value>0xFF))
3120 return(TIFFReadDirEntryErrRange);
3121 else
3122 return(TIFFReadDirEntryErrOk);
3123}
3124
3125static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteByte(uint8 value)
3126{
3127 if (value>0x7F)
3128 return(TIFFReadDirEntryErrRange);
3129 else
3130 return(TIFFReadDirEntryErrOk);
3131}
3132
3133static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteShort(uint16 value)
3134{
3135 if (value>0x7F)
3136 return(TIFFReadDirEntryErrRange);
3137 else
3138 return(TIFFReadDirEntryErrOk);
3139}
3140
3141static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSshort(int16 value)
3142{
3143 if ((value<-0x80)||(value>0x7F))
3144 return(TIFFReadDirEntryErrRange);
3145 else
3146 return(TIFFReadDirEntryErrOk);
3147}
3148
3149static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong(uint32 value)
3150{
3151 if (value>0x7F)
3152 return(TIFFReadDirEntryErrRange);
3153 else
3154 return(TIFFReadDirEntryErrOk);
3155}
3156
3157static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong(int32 value)
3158{
3159 if ((value<-0x80)||(value>0x7F))
3160 return(TIFFReadDirEntryErrRange);
3161 else
3162 return(TIFFReadDirEntryErrOk);
3163}
3164
3165static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong8(uint64 value)
3166{
3167 if (value>0x7F)
3168 return(TIFFReadDirEntryErrRange);
3169 else
3170 return(TIFFReadDirEntryErrOk);
3171}
3172
3173static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong8(int64 value)
3174{
3175 if ((value<-0x80)||(value>0x7F))
3176 return(TIFFReadDirEntryErrRange);
3177 else
3178 return(TIFFReadDirEntryErrOk);
3179}
3180
3181static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSbyte(int8 value)
3182{
3183 if (value<0)
3184 return(TIFFReadDirEntryErrRange);
3185 else
3186 return(TIFFReadDirEntryErrOk);
3187}
3188
3189static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSshort(int16 value)
3190{
3191 if (value<0)
3192 return(TIFFReadDirEntryErrRange);
3193 else
3194 return(TIFFReadDirEntryErrOk);
3195}
3196
3197static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong(uint32 value)
3198{
3199 if (value>0xFFFF)
3200 return(TIFFReadDirEntryErrRange);
3201 else
3202 return(TIFFReadDirEntryErrOk);
3203}
3204
3205static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong(int32 value)
3206{
3207 if ((value<0)||(value>0xFFFF))
3208 return(TIFFReadDirEntryErrRange);
3209 else
3210 return(TIFFReadDirEntryErrOk);
3211}
3212
3213static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong8(uint64 value)
3214{
3215 if (value>0xFFFF)
3216 return(TIFFReadDirEntryErrRange);
3217 else
3218 return(TIFFReadDirEntryErrOk);
3219}
3220
3221static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong8(int64 value)
3222{
3223 if ((value<0)||(value>0xFFFF))
3224 return(TIFFReadDirEntryErrRange);
3225 else
3226 return(TIFFReadDirEntryErrOk);
3227}
3228
3229static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortShort(uint16 value)
3230{
3231 if (value>0x7FFF)
3232 return(TIFFReadDirEntryErrRange);
3233 else
3234 return(TIFFReadDirEntryErrOk);
3235}
3236
3237static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong(uint32 value)
3238{
3239 if (value>0x7FFF)
3240 return(TIFFReadDirEntryErrRange);
3241 else
3242 return(TIFFReadDirEntryErrOk);
3243}
3244
3245static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong(int32 value)
3246{
3247 if ((value<-0x8000)||(value>0x7FFF))
3248 return(TIFFReadDirEntryErrRange);
3249 else
3250 return(TIFFReadDirEntryErrOk);
3251}
3252
3253static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong8(uint64 value)
3254{
3255 if (value>0x7FFF)
3256 return(TIFFReadDirEntryErrRange);
3257 else
3258 return(TIFFReadDirEntryErrOk);
3259}
3260
3261static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong8(int64 value)
3262{
3263 if ((value<-0x8000)||(value>0x7FFF))
3264 return(TIFFReadDirEntryErrRange);
3265 else
3266 return(TIFFReadDirEntryErrOk);
3267}
3268
3269static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSbyte(int8 value)
3270{
3271 if (value<0)
3272 return(TIFFReadDirEntryErrRange);
3273 else
3274 return(TIFFReadDirEntryErrOk);
3275}
3276
3277static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSshort(int16 value)
3278{
3279 if (value<0)
3280 return(TIFFReadDirEntryErrRange);
3281 else
3282 return(TIFFReadDirEntryErrOk);
3283}
3284
3285static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong(int32 value)
3286{
3287 if (value<0)
3288 return(TIFFReadDirEntryErrRange);
3289 else
3290 return(TIFFReadDirEntryErrOk);
3291}
3292
3293static enum TIFFReadDirEntryErr
3294TIFFReadDirEntryCheckRangeLongLong8(uint64 value)
3295{
3296 if (value > TIFF_UINT32_MAX)
3297 return(TIFFReadDirEntryErrRange);
3298 else
3299 return(TIFFReadDirEntryErrOk);
3300}
3301
3302static enum TIFFReadDirEntryErr
3303TIFFReadDirEntryCheckRangeLongSlong8(int64 value)
3304{
3305 if ((value < 0) || (value > (int64) TIFF_UINT32_MAX))
3306 return(TIFFReadDirEntryErrRange);
3307 else
3308 return(TIFFReadDirEntryErrOk);
3309}
3310
3311static enum TIFFReadDirEntryErr
3312TIFFReadDirEntryCheckRangeSlongLong(uint32 value)
3313{
3314 if (value > 0x7FFFFFFFUL)
3315 return(TIFFReadDirEntryErrRange);
3316 else
3317 return(TIFFReadDirEntryErrOk);
3318}
3319
3320/* Check that the 8-byte unsigned value can fit in a 4-byte unsigned range */
3321static enum TIFFReadDirEntryErr
3322TIFFReadDirEntryCheckRangeSlongLong8(uint64 value)
3323{
3324 if (value > 0x7FFFFFFF)
3325 return(TIFFReadDirEntryErrRange);
3326 else
3327 return(TIFFReadDirEntryErrOk);
3328}
3329
3330/* Check that the 8-byte signed value can fit in a 4-byte signed range */
3331static enum TIFFReadDirEntryErr
3332TIFFReadDirEntryCheckRangeSlongSlong8(int64 value)
3333{
3334 if ((value < 0-((int64) 0x7FFFFFFF+1)) || (value > 0x7FFFFFFF))
3335 return(TIFFReadDirEntryErrRange);
3336 else
3337 return(TIFFReadDirEntryErrOk);
3338}
3339
3340static enum TIFFReadDirEntryErr
3341TIFFReadDirEntryCheckRangeLong8Sbyte(int8 value)
3342{
3343 if (value < 0)
3344 return(TIFFReadDirEntryErrRange);
3345 else
3346 return(TIFFReadDirEntryErrOk);
3347}
3348
3349static enum TIFFReadDirEntryErr
3350TIFFReadDirEntryCheckRangeLong8Sshort(int16 value)
3351{
3352 if (value < 0)
3353 return(TIFFReadDirEntryErrRange);
3354 else
3355 return(TIFFReadDirEntryErrOk);
3356}
3357
3358static enum TIFFReadDirEntryErr
3359TIFFReadDirEntryCheckRangeLong8Slong(int32 value)
3360{
3361 if (value < 0)
3362 return(TIFFReadDirEntryErrRange);
3363 else
3364 return(TIFFReadDirEntryErrOk);
3365}
3366
3367static enum TIFFReadDirEntryErr
3368TIFFReadDirEntryCheckRangeLong8Slong8(int64 value)
3369{
3370 if (value < 0)
3371 return(TIFFReadDirEntryErrRange);
3372 else
3373 return(TIFFReadDirEntryErrOk);
3374}
3375
3376static enum TIFFReadDirEntryErr
3377TIFFReadDirEntryCheckRangeSlong8Long8(uint64 value)
3378{
3379 if (value > TIFF_INT64_MAX)
3380 return(TIFFReadDirEntryErrRange);
3381 else
3382 return(TIFFReadDirEntryErrOk);
3383}
3384
3385static enum TIFFReadDirEntryErr
3386TIFFReadDirEntryData(TIFF* tif, uint64 offset, tmsize_t size, void* dest)
3387{
3388 assert(size>0);
3389 if (!isMapped(tif)) {
3390 if (!SeekOK(tif,offset))
3391 return(TIFFReadDirEntryErrIo);
3392 if (!ReadOK(tif,dest,size))
3393 return(TIFFReadDirEntryErrIo);
3394 } else {
3395 size_t ma,mb;
3396 ma=(size_t)offset;
3397 if( (uint64)ma!=offset ||
3398 ma > (~(size_t)0) - (size_t)size )
3399 {
3400 return TIFFReadDirEntryErrIo;
3401 }
3402 mb=ma+size;
3403 if (mb > (size_t)tif->tif_size)
3404 return(TIFFReadDirEntryErrIo);
3405 _TIFFmemcpy(dest,tif->tif_base+ma,size);
3406 }
3407 return(TIFFReadDirEntryErrOk);
3408}
3409
3410static void TIFFReadDirEntryOutputErr(TIFF* tif, enum TIFFReadDirEntryErr err, const char* module, const char* tagname, int recover)
3411{
3412 if (!recover) {
3413 switch (err) {
3414 case TIFFReadDirEntryErrCount:
3415 TIFFErrorExt(tif->tif_clientdata, module,
3416 "Incorrect count for \"%s\"",
3417 tagname);
3418 break;
3419 case TIFFReadDirEntryErrType:
3420 TIFFErrorExt(tif->tif_clientdata, module,
3421 "Incompatible type for \"%s\"",
3422 tagname);
3423 break;
3424 case TIFFReadDirEntryErrIo:
3425 TIFFErrorExt(tif->tif_clientdata, module,
3426 "IO error during reading of \"%s\"",
3427 tagname);
3428 break;
3429 case TIFFReadDirEntryErrRange:
3430 TIFFErrorExt(tif->tif_clientdata, module,
3431 "Incorrect value for \"%s\"",
3432 tagname);
3433 break;
3434 case TIFFReadDirEntryErrPsdif:
3435 TIFFErrorExt(tif->tif_clientdata, module,
3436 "Cannot handle different values per sample for \"%s\"",
3437 tagname);
3438 break;
3439 case TIFFReadDirEntryErrSizesan:
3440 TIFFErrorExt(tif->tif_clientdata, module,
3441 "Sanity check on size of \"%s\" value failed",
3442 tagname);
3443 break;
3444 case TIFFReadDirEntryErrAlloc:
3445 TIFFErrorExt(tif->tif_clientdata, module,
3446 "Out of memory reading of \"%s\"",
3447 tagname);
3448 break;
3449 default:
3450 assert(0); /* we should never get here */
3451 break;
3452 }
3453 } else {
3454 switch (err) {
3455 case TIFFReadDirEntryErrCount:
3456 TIFFWarningExt(tif->tif_clientdata, module,
3457 "Incorrect count for \"%s\"; tag ignored",
3458 tagname);
3459 break;
3460 case TIFFReadDirEntryErrType:
3461 TIFFWarningExt(tif->tif_clientdata, module,
3462 "Incompatible type for \"%s\"; tag ignored",
3463 tagname);
3464 break;
3465 case TIFFReadDirEntryErrIo:
3466 TIFFWarningExt(tif->tif_clientdata, module,
3467 "IO error during reading of \"%s\"; tag ignored",
3468 tagname);
3469 break;
3470 case TIFFReadDirEntryErrRange:
3471 TIFFWarningExt(tif->tif_clientdata, module,
3472 "Incorrect value for \"%s\"; tag ignored",
3473 tagname);
3474 break;
3475 case TIFFReadDirEntryErrPsdif:
3476 TIFFWarningExt(tif->tif_clientdata, module,
3477 "Cannot handle different values per sample for \"%s\"; tag ignored",
3478 tagname);
3479 break;
3480 case TIFFReadDirEntryErrSizesan:
3481 TIFFWarningExt(tif->tif_clientdata, module,
3482 "Sanity check on size of \"%s\" value failed; tag ignored",
3483 tagname);
3484 break;
3485 case TIFFReadDirEntryErrAlloc:
3486 TIFFWarningExt(tif->tif_clientdata, module,
3487 "Out of memory reading of \"%s\"; tag ignored",
3488 tagname);
3489 break;
3490 default:
3491 assert(0); /* we should never get here */
3492 break;
3493 }
3494 }
3495}
3496
3497/*
3498 * Return the maximum number of color channels specified for a given photometric
3499 * type. 0 is returned if photometric type isn't supported or no default value
3500 * is defined by the specification.
3501 */
3502static int _TIFFGetMaxColorChannels( uint16 photometric )
3503{
3504 switch (photometric) {
3505 case PHOTOMETRIC_PALETTE:
3506 case PHOTOMETRIC_MINISWHITE:
3507 case PHOTOMETRIC_MINISBLACK:
3508 return 1;
3509 case PHOTOMETRIC_YCBCR:
3510 case PHOTOMETRIC_RGB:
3511 case PHOTOMETRIC_CIELAB:
3512 case PHOTOMETRIC_LOGLUV:
3513 case PHOTOMETRIC_ITULAB:
3514 case PHOTOMETRIC_ICCLAB:
3515 return 3;
3516 case PHOTOMETRIC_SEPARATED:
3517 case PHOTOMETRIC_MASK:
3518 return 4;
3519 case PHOTOMETRIC_LOGL:
3520 case PHOTOMETRIC_CFA:
3521 default:
3522 return 0;
3523 }
3524}
3525
3526static int ByteCountLooksBad(TIFF* tif)
3527{
3528 /*
3529 * Assume we have wrong StripByteCount value (in case
3530 * of single strip) in following cases:
3531 * - it is equal to zero along with StripOffset;
3532 * - it is larger than file itself (in case of uncompressed
3533 * image);
3534 * - it is smaller than the size of the bytes per row
3535 * multiplied on the number of rows. The last case should
3536 * not be checked in the case of writing new image,
3537 * because we may do not know the exact strip size
3538 * until the whole image will be written and directory
3539 * dumped out.
3540 */
3541 uint64 bytecount = TIFFGetStrileByteCount(tif, 0);
3542 uint64 offset = TIFFGetStrileOffset(tif, 0);
3543 uint64 filesize;
3544
3545 if( offset == 0 )
3546 return 0;
3547 if (bytecount == 0)
3548 return 1;
3549 if ( tif->tif_dir.td_compression != COMPRESSION_NONE )
3550 return 0;
3551 filesize = TIFFGetFileSize(tif);
3552 if( offset <= filesize && bytecount > filesize - offset )
3553 return 1;
3554 if( tif->tif_mode == O_RDONLY )
3555 {
3556 uint64 scanlinesize = TIFFScanlineSize64(tif);
3557 if( tif->tif_dir.td_imagelength > 0 &&
3558 scanlinesize > TIFF_UINT64_MAX / tif->tif_dir.td_imagelength )
3559 {
3560 return 1;
3561 }
3562 if( bytecount < scanlinesize * tif->tif_dir.td_imagelength)
3563 return 1;
3564 }
3565 return 0;
3566}
3567
3568
3569/*
3570 * Read the next TIFF directory from a file and convert it to the internal
3571 * format. We read directories sequentially.
3572 */
3573int
3574TIFFReadDirectory(TIFF* tif)
3575{
3576 static const char module[] = "TIFFReadDirectory";
3577 TIFFDirEntry* dir;
3578 uint16 dircount;
3579 TIFFDirEntry* dp;
3580 uint16 di;
3581 const TIFFField* fip;
3582 uint32 fii=FAILED_FII;
3583 toff_t nextdiroff;
3584 int bitspersample_read = FALSE;
3585 int color_channels;
3586
3587 tif->tif_diroff=tif->tif_nextdiroff;
3588 if (!TIFFCheckDirOffset(tif,tif->tif_nextdiroff))
3589 return 0; /* last offset or bad offset (IFD looping) */
3590 (*tif->tif_cleanup)(tif); /* cleanup any previous compression state */
3591 tif->tif_curdir++;
3592 nextdiroff = tif->tif_nextdiroff;
3593 dircount=TIFFFetchDirectory(tif,nextdiroff,&dir,&tif->tif_nextdiroff);
3594 if (!dircount)
3595 {
3596 TIFFErrorExt(tif->tif_clientdata,module,
3597 "Failed to read directory at offset " TIFF_UINT64_FORMAT,nextdiroff);
3598 return 0;
3599 }
3600 TIFFReadDirectoryCheckOrder(tif,dir,dircount);
3601
3602 /*
3603 * Mark duplicates of any tag to be ignored (bugzilla 1994)
3604 * to avoid certain pathological problems.
3605 */
3606 {
3607 TIFFDirEntry* ma;
3608 uint16 mb;
3609 for (ma=dir, mb=0; mb<dircount; ma++, mb++)
3610 {
3611 TIFFDirEntry* na;
3612 uint16 nb;
3613 for (na=ma+1, nb=mb+1; nb<dircount; na++, nb++)
3614 {
3615 if (ma->tdir_tag == na->tdir_tag) {
3616 na->tdir_ignore = TRUE;
3617 }
3618 }
3619 }
3620 }
3621
3622 tif->tif_flags &= ~TIFF_BEENWRITING; /* reset before new dir */
3623 tif->tif_flags &= ~TIFF_BUF4WRITE; /* reset before new dir */
3624 tif->tif_flags &= ~TIFF_CHOPPEDUPARRAYS;
3625
3626 /* free any old stuff and reinit */
3627 TIFFFreeDirectory(tif);
3628 TIFFDefaultDirectory(tif);
3629 /*
3630 * Electronic Arts writes gray-scale TIFF files
3631 * without a PlanarConfiguration directory entry.
3632 * Thus we setup a default value here, even though
3633 * the TIFF spec says there is no default value.
3634 */
3635 TIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG);
3636 /*
3637 * Setup default value and then make a pass over
3638 * the fields to check type and tag information,
3639 * and to extract info required to size data
3640 * structures. A second pass is made afterwards
3641 * to read in everything not taken in the first pass.
3642 * But we must process the Compression tag first
3643 * in order to merge in codec-private tag definitions (otherwise
3644 * we may get complaints about unknown tags). However, the
3645 * Compression tag may be dependent on the SamplesPerPixel
3646 * tag value because older TIFF specs permitted Compression
3647 * to be written as a SamplesPerPixel-count tag entry.
3648 * Thus if we don't first figure out the correct SamplesPerPixel
3649 * tag value then we may end up ignoring the Compression tag
3650 * value because it has an incorrect count value (if the
3651 * true value of SamplesPerPixel is not 1).
3652 */
3653 dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_SAMPLESPERPIXEL);
3654 if (dp)
3655 {
3656 if (!TIFFFetchNormalTag(tif,dp,0))
3657 goto bad;
3658 dp->tdir_ignore = TRUE;
3659 }
3660 dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_COMPRESSION);
3661 if (dp)
3662 {
3663 /*
3664 * The 5.0 spec says the Compression tag has one value, while
3665 * earlier specs say it has one value per sample. Because of
3666 * this, we accept the tag if one value is supplied with either
3667 * count.
3668 */
3669 uint16 value;
3670 enum TIFFReadDirEntryErr err;
3671 err=TIFFReadDirEntryShort(tif,dp,&value);
3672 if (err==TIFFReadDirEntryErrCount)
3673 err=TIFFReadDirEntryPersampleShort(tif,dp,&value);
3674 if (err!=TIFFReadDirEntryErrOk)
3675 {
3676 TIFFReadDirEntryOutputErr(tif,err,module,"Compression",0);
3677 goto bad;
3678 }
3679 if (!TIFFSetField(tif,TIFFTAG_COMPRESSION,value))
3680 goto bad;
3681 dp->tdir_ignore = TRUE;
3682 }
3683 else
3684 {
3685 if (!TIFFSetField(tif,TIFFTAG_COMPRESSION,COMPRESSION_NONE))
3686 goto bad;
3687 }
3688 /*
3689 * First real pass over the directory.
3690 */
3691 for (di=0, dp=dir; di<dircount; di++, dp++)
3692 {
3693 if (!dp->tdir_ignore)
3694 {
3695 TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
3696 if (fii == FAILED_FII)
3697 {
3698 TIFFWarningExt(tif->tif_clientdata, module,
3699 "Unknown field with tag %d (0x%x) encountered",
3700 dp->tdir_tag,dp->tdir_tag);
3701 /* the following knowingly leaks the
3702 anonymous field structure */
3703 if (!_TIFFMergeFields(tif,
3704 _TIFFCreateAnonField(tif,
3705 dp->tdir_tag,
3706 (TIFFDataType) dp->tdir_type),
3707 1)) {
3708 TIFFWarningExt(tif->tif_clientdata,
3709 module,
3710 "Registering anonymous field with tag %d (0x%x) failed",
3711 dp->tdir_tag,
3712 dp->tdir_tag);
3713 dp->tdir_ignore = TRUE;
3714 } else {
3715 TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
3716 assert(fii != FAILED_FII);
3717 }
3718 }
3719 }
3720 if (!dp->tdir_ignore)
3721 {
3722 fip=tif->tif_fields[fii];
3723 if (fip->field_bit==FIELD_IGNORE)
3724 dp->tdir_ignore = TRUE;
3725 else
3726 {
3727 switch (dp->tdir_tag)
3728 {
3729 case TIFFTAG_STRIPOFFSETS:
3730 case TIFFTAG_STRIPBYTECOUNTS:
3731 case TIFFTAG_TILEOFFSETS:
3732 case TIFFTAG_TILEBYTECOUNTS:
3733 TIFFSetFieldBit(tif,fip->field_bit);
3734 break;
3735 case TIFFTAG_IMAGEWIDTH:
3736 case TIFFTAG_IMAGELENGTH:
3737 case TIFFTAG_IMAGEDEPTH:
3738 case TIFFTAG_TILELENGTH:
3739 case TIFFTAG_TILEWIDTH:
3740 case TIFFTAG_TILEDEPTH:
3741 case TIFFTAG_PLANARCONFIG:
3742 case TIFFTAG_ROWSPERSTRIP:
3743 case TIFFTAG_EXTRASAMPLES:
3744 if (!TIFFFetchNormalTag(tif,dp,0))
3745 goto bad;
3746 dp->tdir_ignore = TRUE;
3747 break;
3748 default:
3749 if( !_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag) )
3750 dp->tdir_ignore = TRUE;
3751 break;
3752 }
3753 }
3754 }
3755 }
3756 /*
3757 * XXX: OJPEG hack.
3758 * If a) compression is OJPEG, b) planarconfig tag says it's separate,
3759 * c) strip offsets/bytecounts tag are both present and
3760 * d) both contain exactly one value, then we consistently find
3761 * that the buggy implementation of the buggy compression scheme
3762 * matches contig planarconfig best. So we 'fix-up' the tag here
3763 */
3764 if ((tif->tif_dir.td_compression==COMPRESSION_OJPEG)&&
3765 (tif->tif_dir.td_planarconfig==PLANARCONFIG_SEPARATE))
3766 {
3767 if (!_TIFFFillStriles(tif))
3768 goto bad;
3769 dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_STRIPOFFSETS);
3770 if ((dp!=0)&&(dp->tdir_count==1))
3771 {
3772 dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,
3773 TIFFTAG_STRIPBYTECOUNTS);
3774 if ((dp!=0)&&(dp->tdir_count==1))
3775 {
3776 tif->tif_dir.td_planarconfig=PLANARCONFIG_CONTIG;
3777 TIFFWarningExt(tif->tif_clientdata,module,
3778 "Planarconfig tag value assumed incorrect, "
3779 "assuming data is contig instead of chunky");
3780 }
3781 }
3782 }
3783 /*
3784 * Allocate directory structure and setup defaults.
3785 */
3786 if (!TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))
3787 {
3788 MissingRequired(tif,"ImageLength");
3789 goto bad;
3790 }
3791 /*
3792 * Setup appropriate structures (by strip or by tile)
3793 */
3794 if (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) {
3795 tif->tif_dir.td_nstrips = TIFFNumberOfStrips(tif);
3796 tif->tif_dir.td_tilewidth = tif->tif_dir.td_imagewidth;
3797 tif->tif_dir.td_tilelength = tif->tif_dir.td_rowsperstrip;
3798 tif->tif_dir.td_tiledepth = tif->tif_dir.td_imagedepth;
3799 tif->tif_flags &= ~TIFF_ISTILED;
3800 } else {
3801 tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);
3802 tif->tif_flags |= TIFF_ISTILED;
3803 }
3804 if (!tif->tif_dir.td_nstrips) {
3805 TIFFErrorExt(tif->tif_clientdata, module,
3806 "Cannot handle zero number of %s",
3807 isTiled(tif) ? "tiles" : "strips");
3808 goto bad;
3809 }
3810 tif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips;
3811 if (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE)
3812 tif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel;
3813 if (!TIFFFieldSet(tif, FIELD_STRIPOFFSETS)) {
3814#ifdef OJPEG_SUPPORT
3815 if ((tif->tif_dir.td_compression==COMPRESSION_OJPEG) &&
3816 (isTiled(tif)==0) &&
3817 (tif->tif_dir.td_nstrips==1)) {
3818 /*
3819 * XXX: OJPEG hack.
3820 * If a) compression is OJPEG, b) it's not a tiled TIFF,
3821 * and c) the number of strips is 1,
3822 * then we tolerate the absence of stripoffsets tag,
3823 * because, presumably, all required data is in the
3824 * JpegInterchangeFormat stream.
3825 */
3826 TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);
3827 } else
3828#endif
3829 {
3830 MissingRequired(tif,
3831 isTiled(tif) ? "TileOffsets" : "StripOffsets");
3832 goto bad;
3833 }
3834 }
3835 /*
3836 * Second pass: extract other information.
3837 */
3838 for (di=0, dp=dir; di<dircount; di++, dp++)
3839 {
3840 if (!dp->tdir_ignore) {
3841 switch (dp->tdir_tag)
3842 {
3843 case TIFFTAG_MINSAMPLEVALUE:
3844 case TIFFTAG_MAXSAMPLEVALUE:
3845 case TIFFTAG_BITSPERSAMPLE:
3846 case TIFFTAG_DATATYPE:
3847 case TIFFTAG_SAMPLEFORMAT:
3848 /*
3849 * The MinSampleValue, MaxSampleValue, BitsPerSample
3850 * DataType and SampleFormat tags are supposed to be
3851 * written as one value/sample, but some vendors
3852 * incorrectly write one value only -- so we accept
3853 * that as well (yuck). Other vendors write correct
3854 * value for NumberOfSamples, but incorrect one for
3855 * BitsPerSample and friends, and we will read this
3856 * too.
3857 */
3858 {
3859 uint16 value;
3860 enum TIFFReadDirEntryErr err;
3861 err=TIFFReadDirEntryShort(tif,dp,&value);
3862 if (err==TIFFReadDirEntryErrCount)
3863 err=TIFFReadDirEntryPersampleShort(tif,dp,&value);
3864 if (err!=TIFFReadDirEntryErrOk)
3865 {
3866 fip = TIFFFieldWithTag(tif,dp->tdir_tag);
3867 TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
3868 goto bad;
3869 }
3870 if (!TIFFSetField(tif,dp->tdir_tag,value))
3871 goto bad;
3872 if( dp->tdir_tag == TIFFTAG_BITSPERSAMPLE )
3873 bitspersample_read = TRUE;
3874 }
3875 break;
3876 case TIFFTAG_SMINSAMPLEVALUE:
3877 case TIFFTAG_SMAXSAMPLEVALUE:
3878 {
3879
3880 double *data = NULL;
3881 enum TIFFReadDirEntryErr err;
3882 uint32 saved_flags;
3883 int m;
3884 if (dp->tdir_count != (uint64)tif->tif_dir.td_samplesperpixel)
3885 err = TIFFReadDirEntryErrCount;
3886 else
3887 err = TIFFReadDirEntryDoubleArray(tif, dp, &data);
3888 if (err!=TIFFReadDirEntryErrOk)
3889 {
3890 fip = TIFFFieldWithTag(tif,dp->tdir_tag);
3891 TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
3892 goto bad;
3893 }
3894 saved_flags = tif->tif_flags;
3895 tif->tif_flags |= TIFF_PERSAMPLE;
3896 m = TIFFSetField(tif,dp->tdir_tag,data);
3897 tif->tif_flags = saved_flags;
3898 _TIFFfree(data);
3899 if (!m)
3900 goto bad;
3901 }
3902 break;
3903 case TIFFTAG_STRIPOFFSETS:
3904 case TIFFTAG_TILEOFFSETS:
3905 _TIFFmemcpy( &(tif->tif_dir.td_stripoffset_entry),
3906 dp, sizeof(TIFFDirEntry) );
3907 break;
3908 case TIFFTAG_STRIPBYTECOUNTS:
3909 case TIFFTAG_TILEBYTECOUNTS:
3910 _TIFFmemcpy( &(tif->tif_dir.td_stripbytecount_entry),
3911 dp, sizeof(TIFFDirEntry) );
3912 break;
3913 case TIFFTAG_COLORMAP:
3914 case TIFFTAG_TRANSFERFUNCTION:
3915 {
3916 enum TIFFReadDirEntryErr err;
3917 uint32 countpersample;
3918 uint32 countrequired;
3919 uint32 incrementpersample;
3920 uint16* value=NULL;
3921 /* It would be dangerous to instantiate those tag values */
3922 /* since if td_bitspersample has not yet been read (due to */
3923 /* unordered tags), it could be read afterwards with a */
3924 /* values greater than the default one (1), which may cause */
3925 /* crashes in user code */
3926 if( !bitspersample_read )
3927 {
3928 fip = TIFFFieldWithTag(tif,dp->tdir_tag);
3929 TIFFWarningExt(tif->tif_clientdata,module,
3930 "Ignoring %s since BitsPerSample tag not found",
3931 fip ? fip->field_name : "unknown tagname");
3932 continue;
3933 }
3934 /* ColorMap or TransferFunction for high bit */
3935 /* depths do not make much sense and could be */
3936 /* used as a denial of service vector */
3937 if (tif->tif_dir.td_bitspersample > 24)
3938 {
3939 fip = TIFFFieldWithTag(tif,dp->tdir_tag);
3940 TIFFWarningExt(tif->tif_clientdata,module,
3941 "Ignoring %s because BitsPerSample=%d>24",
3942 fip ? fip->field_name : "unknown tagname",
3943 tif->tif_dir.td_bitspersample);
3944 continue;
3945 }
3946 countpersample=(1U<<tif->tif_dir.td_bitspersample);
3947 if ((dp->tdir_tag==TIFFTAG_TRANSFERFUNCTION)&&(dp->tdir_count==(uint64)countpersample))
3948 {
3949 countrequired=countpersample;
3950 incrementpersample=0;
3951 }
3952 else
3953 {
3954 countrequired=3*countpersample;
3955 incrementpersample=countpersample;
3956 }
3957 if (dp->tdir_count!=(uint64)countrequired)
3958 err=TIFFReadDirEntryErrCount;
3959 else
3960 err=TIFFReadDirEntryShortArray(tif,dp,&value);
3961 if (err!=TIFFReadDirEntryErrOk)
3962 {
3963 fip = TIFFFieldWithTag(tif,dp->tdir_tag);
3964 TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",1);
3965 }
3966 else
3967 {
3968 TIFFSetField(tif,dp->tdir_tag,value,value+incrementpersample,value+2*incrementpersample);
3969 _TIFFfree(value);
3970 }
3971 }
3972 break;
3973/* BEGIN REV 4.0 COMPATIBILITY */
3974 case TIFFTAG_OSUBFILETYPE:
3975 {
3976 uint16 valueo;
3977 uint32 value;
3978 if (TIFFReadDirEntryShort(tif,dp,&valueo)==TIFFReadDirEntryErrOk)
3979 {
3980 switch (valueo)
3981 {
3982 case OFILETYPE_REDUCEDIMAGE: value=FILETYPE_REDUCEDIMAGE; break;
3983 case OFILETYPE_PAGE: value=FILETYPE_PAGE; break;
3984 default: value=0; break;
3985 }
3986 if (value!=0)
3987 TIFFSetField(tif,TIFFTAG_SUBFILETYPE,value);
3988 }
3989 }
3990 break;
3991/* END REV 4.0 COMPATIBILITY */
3992 default:
3993 (void) TIFFFetchNormalTag(tif, dp, TRUE);
3994 break;
3995 }
3996 } /* -- if (!dp->tdir_ignore) */
3997 } /* -- for-loop -- */
3998
3999 if( tif->tif_mode == O_RDWR &&
4000 tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 &&
4001 tif->tif_dir.td_stripoffset_entry.tdir_count == 0 &&
4002 tif->tif_dir.td_stripoffset_entry.tdir_type == 0 &&
4003 tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 &&
4004 tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 &&
4005 tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 &&
4006 tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 &&
4007 tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0 )
4008 {
4009 /* Directory typically created with TIFFDeferStrileArrayWriting() */
4010 TIFFSetupStrips(tif);
4011 }
4012 else if( !(tif->tif_flags&TIFF_DEFERSTRILELOAD) )
4013 {
4014 if( tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 )
4015 {
4016 if (!TIFFFetchStripThing(tif,&(tif->tif_dir.td_stripoffset_entry),
4017 tif->tif_dir.td_nstrips,
4018 &tif->tif_dir.td_stripoffset_p))
4019 {
4020 goto bad;
4021 }
4022 }
4023 if( tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 )
4024 {
4025 if (!TIFFFetchStripThing(tif,&(tif->tif_dir.td_stripbytecount_entry),
4026 tif->tif_dir.td_nstrips,
4027 &tif->tif_dir.td_stripbytecount_p))
4028 {
4029 goto bad;
4030 }
4031 }
4032 }
4033
4034 /*
4035 * OJPEG hack:
4036 * - If a) compression is OJPEG, and b) photometric tag is missing,
4037 * then we consistently find that photometric should be YCbCr
4038 * - If a) compression is OJPEG, and b) photometric tag says it's RGB,
4039 * then we consistently find that the buggy implementation of the
4040 * buggy compression scheme matches photometric YCbCr instead.
4041 * - If a) compression is OJPEG, and b) bitspersample tag is missing,
4042 * then we consistently find bitspersample should be 8.
4043 * - If a) compression is OJPEG, b) samplesperpixel tag is missing,
4044 * and c) photometric is RGB or YCbCr, then we consistently find
4045 * samplesperpixel should be 3
4046 * - If a) compression is OJPEG, b) samplesperpixel tag is missing,
4047 * and c) photometric is MINISWHITE or MINISBLACK, then we consistently
4048 * find samplesperpixel should be 3
4049 */
4050 if (tif->tif_dir.td_compression==COMPRESSION_OJPEG)
4051 {
4052 if (!TIFFFieldSet(tif,FIELD_PHOTOMETRIC))
4053 {
4054 TIFFWarningExt(tif->tif_clientdata, module,
4055 "Photometric tag is missing, assuming data is YCbCr");
4056 if (!TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,PHOTOMETRIC_YCBCR))
4057 goto bad;
4058 }
4059 else if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)
4060 {
4061 tif->tif_dir.td_photometric=PHOTOMETRIC_YCBCR;
4062 TIFFWarningExt(tif->tif_clientdata, module,
4063 "Photometric tag value assumed incorrect, "
4064 "assuming data is YCbCr instead of RGB");
4065 }
4066 if (!TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))
4067 {
4068 TIFFWarningExt(tif->tif_clientdata,module,
4069 "BitsPerSample tag is missing, assuming 8 bits per sample");
4070 if (!TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,8))
4071 goto bad;
4072 }
4073 if (!TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))
4074 {
4075 if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)
4076 {
4077 TIFFWarningExt(tif->tif_clientdata,module,
4078 "SamplesPerPixel tag is missing, "
4079 "assuming correct SamplesPerPixel value is 3");
4080 if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
4081 goto bad;
4082 }
4083 if (tif->tif_dir.td_photometric==PHOTOMETRIC_YCBCR)
4084 {
4085 TIFFWarningExt(tif->tif_clientdata,module,
4086 "SamplesPerPixel tag is missing, "
4087 "applying correct SamplesPerPixel value of 3");
4088 if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
4089 goto bad;
4090 }
4091 else if ((tif->tif_dir.td_photometric==PHOTOMETRIC_MINISWHITE)
4092 || (tif->tif_dir.td_photometric==PHOTOMETRIC_MINISBLACK))
4093 {
4094 /*
4095 * SamplesPerPixel tag is missing, but is not required
4096 * by spec. Assume correct SamplesPerPixel value of 1.
4097 */
4098 if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,1))
4099 goto bad;
4100 }
4101 }
4102 }
4103
4104 /*
4105 * Make sure all non-color channels are extrasamples.
4106 * If it's not the case, define them as such.
4107 */
4108 color_channels = _TIFFGetMaxColorChannels(tif->tif_dir.td_photometric);
4109 if (color_channels && tif->tif_dir.td_samplesperpixel - tif->tif_dir.td_extrasamples > color_channels) {
4110 uint16 old_extrasamples;
4111 uint16 *new_sampleinfo;
4112
4113 TIFFWarningExt(tif->tif_clientdata,module, "Sum of Photometric type-related "
4114 "color channels and ExtraSamples doesn't match SamplesPerPixel. "
4115 "Defining non-color channels as ExtraSamples.");
4116
4117 old_extrasamples = tif->tif_dir.td_extrasamples;
4118 tif->tif_dir.td_extrasamples = (uint16) (tif->tif_dir.td_samplesperpixel - color_channels);
4119
4120 // sampleinfo should contain information relative to these new extra samples
4121 new_sampleinfo = (uint16*) _TIFFcalloc(tif->tif_dir.td_extrasamples, sizeof(uint16));
4122 if (!new_sampleinfo) {
4123 TIFFErrorExt(tif->tif_clientdata, module, "Failed to allocate memory for "
4124 "temporary new sampleinfo array (%d 16 bit elements)",
4125 tif->tif_dir.td_extrasamples);
4126 goto bad;
4127 }
4128
4129 memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16));
4130 _TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples);
4131 _TIFFfree(new_sampleinfo);
4132 }
4133
4134 /*
4135 * Verify Palette image has a Colormap.
4136 */
4137 if (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&
4138 !TIFFFieldSet(tif, FIELD_COLORMAP)) {
4139 if ( tif->tif_dir.td_bitspersample>=8 && tif->tif_dir.td_samplesperpixel==3)
4140 tif->tif_dir.td_photometric = PHOTOMETRIC_RGB;
4141 else if (tif->tif_dir.td_bitspersample>=8)
4142 tif->tif_dir.td_photometric = PHOTOMETRIC_MINISBLACK;
4143 else {
4144 MissingRequired(tif, "Colormap");
4145 goto bad;
4146 }
4147 }
4148 /*
4149 * OJPEG hack:
4150 * We do no further messing with strip/tile offsets/bytecounts in OJPEG
4151 * TIFFs
4152 */
4153 if (tif->tif_dir.td_compression!=COMPRESSION_OJPEG)
4154 {
4155 /*
4156 * Attempt to deal with a missing StripByteCounts tag.
4157 */
4158 if (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) {
4159 /*
4160 * Some manufacturers violate the spec by not giving
4161 * the size of the strips. In this case, assume there
4162 * is one uncompressed strip of data.
4163 */
4164 if ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&
4165 tif->tif_dir.td_nstrips > 1) ||
4166 (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE &&
4167 tif->tif_dir.td_nstrips != (uint32)tif->tif_dir.td_samplesperpixel)) {
4168 MissingRequired(tif, "StripByteCounts");
4169 goto bad;
4170 }
4171 TIFFWarningExt(tif->tif_clientdata, module,
4172 "TIFF directory is missing required "
4173 "\"StripByteCounts\" field, calculating from imagelength");
4174 if (EstimateStripByteCounts(tif, dir, dircount) < 0)
4175 goto bad;
4176
4177 } else if (tif->tif_dir.td_nstrips == 1
4178 && !(tif->tif_flags&TIFF_ISTILED)
4179 && ByteCountLooksBad(tif)) {
4180 /*
4181 * XXX: Plexus (and others) sometimes give a value of
4182 * zero for a tag when they don't know what the
4183 * correct value is! Try and handle the simple case
4184 * of estimating the size of a one strip image.
4185 */
4186 TIFFWarningExt(tif->tif_clientdata, module,
4187 "Bogus \"StripByteCounts\" field, ignoring and calculating from imagelength");
4188 if(EstimateStripByteCounts(tif, dir, dircount) < 0)
4189 goto bad;
4190
4191 } else if (!(tif->tif_flags&TIFF_DEFERSTRILELOAD)
4192 && tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG
4193 && tif->tif_dir.td_nstrips > 2
4194 && tif->tif_dir.td_compression == COMPRESSION_NONE
4195 && TIFFGetStrileByteCount(tif, 0) != TIFFGetStrileByteCount(tif, 1)
4196 && TIFFGetStrileByteCount(tif, 0) != 0
4197 && TIFFGetStrileByteCount(tif, 1) != 0 ) {
4198 /*
4199 * XXX: Some vendors fill StripByteCount array with
4200 * absolutely wrong values (it can be equal to
4201 * StripOffset array, for example). Catch this case
4202 * here.
4203 *
4204 * We avoid this check if deferring strile loading
4205 * as it would always force us to load the strip/tile
4206 * information.
4207 */
4208 TIFFWarningExt(tif->tif_clientdata, module,
4209 "Wrong \"StripByteCounts\" field, ignoring and calculating from imagelength");
4210 if (EstimateStripByteCounts(tif, dir, dircount) < 0)
4211 goto bad;
4212 }
4213 }
4214 if (dir)
4215 {
4216 _TIFFfree(dir);
4217 dir=NULL;
4218 }
4219 if (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE))
4220 {
4221 if (tif->tif_dir.td_bitspersample>=16)
4222 tif->tif_dir.td_maxsamplevalue=0xFFFF;
4223 else
4224 tif->tif_dir.td_maxsamplevalue = (uint16)((1L<<tif->tif_dir.td_bitspersample)-1);
4225 }
4226
4227#ifdef STRIPBYTECOUNTSORTED_UNUSED
4228 /*
4229 * XXX: We can optimize checking for the strip bounds using the sorted
4230 * bytecounts array. See also comments for TIFFAppendToStrip()
4231 * function in tif_write.c.
4232 */
4233 if (!(tif->tif_flags&TIFF_DEFERSTRILELOAD) && tif->tif_dir.td_nstrips > 1) {
4234 uint32 strip;
4235
4236 tif->tif_dir.td_stripbytecountsorted = 1;
4237 for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {
4238 if (TIFFGetStrileOffset(tif, strip - 1) >
4239 TIFFGetStrileOffset(tif, strip)) {
4240 tif->tif_dir.td_stripbytecountsorted = 0;
4241 break;
4242 }
4243 }
4244 }
4245#endif
4246
4247 /*
4248 * An opportunity for compression mode dependent tag fixup
4249 */
4250 (*tif->tif_fixuptags)(tif);
4251
4252 /*
4253 * Some manufacturers make life difficult by writing
4254 * large amounts of uncompressed data as a single strip.
4255 * This is contrary to the recommendations of the spec.
4256 * The following makes an attempt at breaking such images
4257 * into strips closer to the recommended 8k bytes. A
4258 * side effect, however, is that the RowsPerStrip tag
4259 * value may be changed.
4260 */
4261 if ((tif->tif_dir.td_planarconfig==PLANARCONFIG_CONTIG)&&
4262 (tif->tif_dir.td_nstrips==1)&&
4263 (tif->tif_dir.td_compression==COMPRESSION_NONE)&&
4264 ((tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED))==TIFF_STRIPCHOP))
4265 {
4266 ChopUpSingleUncompressedStrip(tif);
4267 }
4268
4269 /* There are also uncompressed striped files with strips larger than */
4270 /* 2 GB, which make them unfriendly with a lot of code. If possible, */
4271 /* try to expose smaller "virtual" strips. */
4272 if( tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&
4273 tif->tif_dir.td_compression == COMPRESSION_NONE &&
4274 (tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED)) == TIFF_STRIPCHOP &&
4275 TIFFStripSize64(tif) > 0x7FFFFFFFUL )
4276 {
4277 TryChopUpUncompressedBigTiff(tif);
4278 }
4279
4280 /*
4281 * Clear the dirty directory flag.
4282 */
4283 tif->tif_flags &= ~TIFF_DIRTYDIRECT;
4284 tif->tif_flags &= ~TIFF_DIRTYSTRIP;
4285
4286 /*
4287 * Reinitialize i/o since we are starting on a new directory.
4288 */
4289 tif->tif_row = (uint32) -1;
4290 tif->tif_curstrip = (uint32) -1;
4291 tif->tif_col = (uint32) -1;
4292 tif->tif_curtile = (uint32) -1;
4293 tif->tif_tilesize = (tmsize_t) -1;
4294
4295 tif->tif_scanlinesize = TIFFScanlineSize(tif);
4296 if (!tif->tif_scanlinesize) {
4297 TIFFErrorExt(tif->tif_clientdata, module,
4298 "Cannot handle zero scanline size");
4299 return (0);
4300 }
4301
4302 if (isTiled(tif)) {
4303 tif->tif_tilesize = TIFFTileSize(tif);
4304 if (!tif->tif_tilesize) {
4305 TIFFErrorExt(tif->tif_clientdata, module,
4306 "Cannot handle zero tile size");
4307 return (0);
4308 }
4309 } else {
4310 if (!TIFFStripSize(tif)) {
4311 TIFFErrorExt(tif->tif_clientdata, module,
4312 "Cannot handle zero strip size");
4313 return (0);
4314 }
4315 }
4316 return (1);
4317bad:
4318 if (dir)
4319 _TIFFfree(dir);
4320 return (0);
4321}
4322
4323static void
4324TIFFReadDirectoryCheckOrder(TIFF* tif, TIFFDirEntry* dir, uint16 dircount)
4325{
4326 static const char module[] = "TIFFReadDirectoryCheckOrder";
4327 uint16 m;
4328 uint16 n;
4329 TIFFDirEntry* o;
4330 m=0;
4331 for (n=0, o=dir; n<dircount; n++, o++)
4332 {
4333 if (o->tdir_tag<m)
4334 {
4335 TIFFWarningExt(tif->tif_clientdata,module,
4336 "Invalid TIFF directory; tags are not sorted in ascending order");
4337 break;
4338 }
4339 m=o->tdir_tag+1;
4340 }
4341}
4342
4343static TIFFDirEntry*
4344TIFFReadDirectoryFindEntry(TIFF* tif, TIFFDirEntry* dir, uint16 dircount, uint16 tagid)
4345{
4346 TIFFDirEntry* m;
4347 uint16 n;
4348 (void) tif;
4349 for (m=dir, n=0; n<dircount; m++, n++)
4350 {
4351 if (m->tdir_tag==tagid)
4352 return(m);
4353 }
4354 return(0);
4355}
4356
4357static void
4358TIFFReadDirectoryFindFieldInfo(TIFF* tif, uint16 tagid, uint32* fii)
4359{
4360 int32 ma,mb,mc;
4361 ma=-1;
4362 mc=(int32)tif->tif_nfields;
4363 while (1)
4364 {
4365 if (ma+1==mc)
4366 {
4367 *fii = FAILED_FII;
4368 return;
4369 }
4370 mb=(ma+mc)/2;
4371 if (tif->tif_fields[mb]->field_tag==(uint32)tagid)
4372 break;
4373 if (tif->tif_fields[mb]->field_tag<(uint32)tagid)
4374 ma=mb;
4375 else
4376 mc=mb;
4377 }
4378 while (1)
4379 {
4380 if (mb==0)
4381 break;
4382 if (tif->tif_fields[mb-1]->field_tag!=(uint32)tagid)
4383 break;
4384 mb--;
4385 }
4386 *fii=mb;
4387}
4388
4389/*
4390 * Read custom directory from the arbitrary offset.
4391 * The code is very similar to TIFFReadDirectory().
4392 */
4393int
4394TIFFReadCustomDirectory(TIFF* tif, toff_t diroff,
4395 const TIFFFieldArray* infoarray)
4396{
4397 static const char module[] = "TIFFReadCustomDirectory";
4398 TIFFDirEntry* dir;
4399 uint16 dircount;
4400 TIFFDirEntry* dp;
4401 uint16 di;
4402 const TIFFField* fip;
4403 uint32 fii;
4404 _TIFFSetupFields(tif, infoarray);
4405 dircount=TIFFFetchDirectory(tif,diroff,&dir,NULL);
4406 if (!dircount)
4407 {
4408 TIFFErrorExt(tif->tif_clientdata,module,
4409 "Failed to read custom directory at offset " TIFF_UINT64_FORMAT,diroff);
4410 return 0;
4411 }
4412 TIFFFreeDirectory(tif);
4413 _TIFFmemset(&tif->tif_dir, 0, sizeof(TIFFDirectory));
4414 TIFFReadDirectoryCheckOrder(tif,dir,dircount);
4415 for (di=0, dp=dir; di<dircount; di++, dp++)
4416 {
4417 TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
4418 if (fii == FAILED_FII)
4419 {
4420 TIFFWarningExt(tif->tif_clientdata, module,
4421 "Unknown field with tag %d (0x%x) encountered",
4422 dp->tdir_tag, dp->tdir_tag);
4423 if (!_TIFFMergeFields(tif, _TIFFCreateAnonField(tif,
4424 dp->tdir_tag,
4425 (TIFFDataType) dp->tdir_type),
4426 1)) {
4427 TIFFWarningExt(tif->tif_clientdata, module,
4428 "Registering anonymous field with tag %d (0x%x) failed",
4429 dp->tdir_tag, dp->tdir_tag);
4430 dp->tdir_ignore = TRUE;
4431 } else {
4432 TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
4433 assert( fii != FAILED_FII );
4434 }
4435 }
4436 if (!dp->tdir_ignore)
4437 {
4438 fip=tif->tif_fields[fii];
4439 if (fip->field_bit==FIELD_IGNORE)
4440 dp->tdir_ignore = TRUE;
4441 else
4442 {
4443 /* check data type */
4444 while ((fip->field_type!=TIFF_ANY)&&(fip->field_type!=dp->tdir_type))
4445 {
4446 fii++;
4447 if ((fii==tif->tif_nfields)||
4448 (tif->tif_fields[fii]->field_tag!=(uint32)dp->tdir_tag))
4449 {
4450 fii=0xFFFF;
4451 break;
4452 }
4453 fip=tif->tif_fields[fii];
4454 }
4455 if (fii==0xFFFF)
4456 {
4457 TIFFWarningExt(tif->tif_clientdata, module,
4458 "Wrong data type %d for \"%s\"; tag ignored",
4459 dp->tdir_type,fip->field_name);
4460 dp->tdir_ignore = TRUE;
4461 }
4462 else
4463 {
4464 /* check count if known in advance */
4465 if ((fip->field_readcount!=TIFF_VARIABLE)&&
4466 (fip->field_readcount!=TIFF_VARIABLE2))
4467 {
4468 uint32 expected;
4469 if (fip->field_readcount==TIFF_SPP)
4470 expected=(uint32)tif->tif_dir.td_samplesperpixel;
4471 else
4472 expected=(uint32)fip->field_readcount;
4473 if (!CheckDirCount(tif,dp,expected))
4474 dp->tdir_ignore = TRUE;
4475 }
4476 }
4477 }
4478 if (!dp->tdir_ignore) {
4479 switch (dp->tdir_tag)
4480 {
4481 case EXIFTAG_SUBJECTDISTANCE:
4482 (void)TIFFFetchSubjectDistance(tif, dp);
4483 break;
4484 default:
4485 (void)TIFFFetchNormalTag(tif, dp, TRUE);
4486 break;
4487 }
4488 } /*-- if (!dp->tdir_ignore) */
4489 }
4490 }
4491 if (dir)
4492 _TIFFfree(dir);
4493 return 1;
4494}
4495
4496/*
4497 * EXIF is important special case of custom IFD, so we have a special
4498 * function to read it.
4499 */
4500int
4501TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff)
4502{
4503 const TIFFFieldArray* exifFieldArray;
4504 exifFieldArray = _TIFFGetExifFields();
4505 return TIFFReadCustomDirectory(tif, diroff, exifFieldArray);
4506}
4507
4508static int
4509EstimateStripByteCounts(TIFF* tif, TIFFDirEntry* dir, uint16 dircount)
4510{
4511 static const char module[] = "EstimateStripByteCounts";
4512
4513 TIFFDirEntry *dp;
4514 TIFFDirectory *td = &tif->tif_dir;
4515 uint32 strip;
4516
4517 /* Do not try to load stripbytecount as we will compute it */
4518 if( !_TIFFFillStrilesInternal( tif, 0 ) )
4519 return -1;
4520
4521 if (td->td_stripbytecount_p)
4522 _TIFFfree(td->td_stripbytecount_p);
4523 td->td_stripbytecount_p = (uint64*)
4524 _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),
4525 "for \"StripByteCounts\" array");
4526 if( td->td_stripbytecount_p == NULL )
4527 return -1;
4528
4529 if (td->td_compression != COMPRESSION_NONE) {
4530 uint64 space;
4531 uint64 filesize;
4532 uint16 n;
4533 filesize = TIFFGetFileSize(tif);
4534 if (!(tif->tif_flags&TIFF_BIGTIFF))
4535 space=sizeof(TIFFHeaderClassic)+2+dircount*12+4;
4536 else
4537 space=sizeof(TIFFHeaderBig)+8+dircount*20+8;
4538 /* calculate amount of space used by indirect values */
4539 for (dp = dir, n = dircount; n > 0; n--, dp++)
4540 {
4541 uint32 typewidth;
4542 uint64 datasize;
4543 typewidth = TIFFDataWidth((TIFFDataType) dp->tdir_type);
4544 if (typewidth == 0) {
4545 TIFFErrorExt(tif->tif_clientdata, module,
4546 "Cannot determine size of unknown tag type %d",
4547 dp->tdir_type);
4548 return -1;
4549 }
4550 if( dp->tdir_count > TIFF_UINT64_MAX / typewidth )
4551 return -1;
4552 datasize=(uint64)typewidth*dp->tdir_count;
4553 if (!(tif->tif_flags&TIFF_BIGTIFF))
4554 {
4555 if (datasize<=4)
4556 datasize=0;
4557 }
4558 else
4559 {
4560 if (datasize<=8)
4561 datasize=0;
4562 }
4563 if( space > TIFF_UINT64_MAX - datasize )
4564 return -1;
4565 space+=datasize;
4566 }
4567 if( filesize < space )
4568 /* we should perhaps return in error ? */
4569 space = filesize;
4570 else
4571 space = filesize - space;
4572 if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
4573 space /= td->td_samplesperpixel;
4574 for (strip = 0; strip < td->td_nstrips; strip++)
4575 td->td_stripbytecount_p[strip] = space;
4576 /*
4577 * This gross hack handles the case were the offset to
4578 * the last strip is past the place where we think the strip
4579 * should begin. Since a strip of data must be contiguous,
4580 * it's safe to assume that we've overestimated the amount
4581 * of data in the strip and trim this number back accordingly.
4582 */
4583 strip--;
4584 if (td->td_stripoffset_p[strip] > TIFF_UINT64_MAX - td->td_stripbytecount_p[strip])
4585 return -1;
4586 if (td->td_stripoffset_p[strip]+td->td_stripbytecount_p[strip] > filesize) {
4587 if( td->td_stripoffset_p[strip] >= filesize ) {
4588 /* Not sure what we should in that case... */
4589 td->td_stripbytecount_p[strip] = 0;
4590 } else {
4591 td->td_stripbytecount_p[strip] = filesize - td->td_stripoffset_p[strip];
4592 }
4593 }
4594 } else if (isTiled(tif)) {
4595 uint64 bytespertile = TIFFTileSize64(tif);
4596
4597 for (strip = 0; strip < td->td_nstrips; strip++)
4598 td->td_stripbytecount_p[strip] = bytespertile;
4599 } else {
4600 uint64 rowbytes = TIFFScanlineSize64(tif);
4601 uint32 rowsperstrip = td->td_imagelength/td->td_stripsperimage;
4602 for (strip = 0; strip < td->td_nstrips; strip++)
4603 {
4604 if( rowbytes > 0 && rowsperstrip > TIFF_UINT64_MAX / rowbytes )
4605 return -1;
4606 td->td_stripbytecount_p[strip] = rowbytes * rowsperstrip;
4607 }
4608 }
4609 TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);
4610 if (!TIFFFieldSet(tif, FIELD_ROWSPERSTRIP))
4611 td->td_rowsperstrip = td->td_imagelength;
4612 return 1;
4613}
4614
4615static void
4616MissingRequired(TIFF* tif, const char* tagname)
4617{
4618 static const char module[] = "MissingRequired";
4619
4620 TIFFErrorExt(tif->tif_clientdata, module,
4621 "TIFF directory is missing required \"%s\" field",
4622 tagname);
4623}
4624
4625/*
4626 * Check the directory offset against the list of already seen directory
4627 * offsets. This is a trick to prevent IFD looping. The one can create TIFF
4628 * file with looped directory pointers. We will maintain a list of already
4629 * seen directories and check every IFD offset against that list.
4630 */
4631static int
4632TIFFCheckDirOffset(TIFF* tif, uint64 diroff)
4633{
4634 uint16 n;
4635
4636 if (diroff == 0) /* no more directories */
4637 return 0;
4638 if (tif->tif_dirnumber == 65535) {
4639 TIFFErrorExt(tif->tif_clientdata, "TIFFCheckDirOffset",
4640 "Cannot handle more than 65535 TIFF directories");
4641 return 0;
4642 }
4643
4644 for (n = 0; n < tif->tif_dirnumber && tif->tif_dirlist; n++) {
4645 if (tif->tif_dirlist[n] == diroff)
4646 return 0;
4647 }
4648
4649 tif->tif_dirnumber++;
4650
4651 if (tif->tif_dirlist == NULL || tif->tif_dirnumber > tif->tif_dirlistsize) {
4652 uint64* new_dirlist;
4653
4654 /*
4655 * XXX: Reduce memory allocation granularity of the dirlist
4656 * array.
4657 */
4658 new_dirlist = (uint64*)_TIFFCheckRealloc(tif, tif->tif_dirlist,
4659 tif->tif_dirnumber, 2 * sizeof(uint64), "for IFD list");
4660 if (!new_dirlist)
4661 return 0;
4662 if( tif->tif_dirnumber >= 32768 )
4663 tif->tif_dirlistsize = 65535;
4664 else
4665 tif->tif_dirlistsize = 2 * tif->tif_dirnumber;
4666 tif->tif_dirlist = new_dirlist;
4667 }
4668
4669 tif->tif_dirlist[tif->tif_dirnumber - 1] = diroff;
4670
4671 return 1;
4672}
4673
4674/*
4675 * Check the count field of a directory entry against a known value. The
4676 * caller is expected to skip/ignore the tag if there is a mismatch.
4677 */
4678static int
4679CheckDirCount(TIFF* tif, TIFFDirEntry* dir, uint32 count)
4680{
4681 if ((uint64)count > dir->tdir_count) {
4682 const TIFFField* fip = TIFFFieldWithTag(tif, dir->tdir_tag);
4683 TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
4684 "incorrect count for field \"%s\" (" TIFF_UINT64_FORMAT ", expecting %u); tag ignored",
4685 fip ? fip->field_name : "unknown tagname",
4686 dir->tdir_count, count);
4687 return (0);
4688 } else if ((uint64)count < dir->tdir_count) {
4689 const TIFFField* fip = TIFFFieldWithTag(tif, dir->tdir_tag);
4690 TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
4691 "incorrect count for field \"%s\" (" TIFF_UINT64_FORMAT ", expecting %u); tag trimmed",
4692 fip ? fip->field_name : "unknown tagname",
4693 dir->tdir_count, count);
4694 dir->tdir_count = count;
4695 return (1);
4696 }
4697 return (1);
4698}
4699
4700/*
4701 * Read IFD structure from the specified offset. If the pointer to
4702 * nextdiroff variable has been specified, read it too. Function returns a
4703 * number of fields in the directory or 0 if failed.
4704 */
4705static uint16
4706TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir,
4707 uint64 *nextdiroff)
4708{
4709 static const char module[] = "TIFFFetchDirectory";
4710
4711 void* origdir;
4712 uint16 dircount16;
4713 uint32 dirsize;
4714 TIFFDirEntry* dir;
4715 uint8* ma;
4716 TIFFDirEntry* mb;
4717 uint16 n;
4718
4719 assert(pdir);
4720
4721 tif->tif_diroff = diroff;
4722 if (nextdiroff)
4723 *nextdiroff = 0;
4724 if (!isMapped(tif)) {
4725 if (!SeekOK(tif, tif->tif_diroff)) {
4726 TIFFErrorExt(tif->tif_clientdata, module,
4727 "%s: Seek error accessing TIFF directory",
4728 tif->tif_name);
4729 return 0;
4730 }
4731 if (!(tif->tif_flags&TIFF_BIGTIFF))
4732 {
4733 if (!ReadOK(tif, &dircount16, sizeof (uint16))) {
4734 TIFFErrorExt(tif->tif_clientdata, module,
4735 "%s: Can not read TIFF directory count",
4736 tif->tif_name);
4737 return 0;
4738 }
4739 if (tif->tif_flags & TIFF_SWAB)
4740 TIFFSwabShort(&dircount16);
4741 if (dircount16>4096)
4742 {
4743 TIFFErrorExt(tif->tif_clientdata, module,
4744 "Sanity check on directory count failed, this is probably not a valid IFD offset");
4745 return 0;
4746 }
4747 dirsize = 12;
4748 } else {
4749 uint64 dircount64;
4750 if (!ReadOK(tif, &dircount64, sizeof (uint64))) {
4751 TIFFErrorExt(tif->tif_clientdata, module,
4752 "%s: Can not read TIFF directory count",
4753 tif->tif_name);
4754 return 0;
4755 }
4756 if (tif->tif_flags & TIFF_SWAB)
4757 TIFFSwabLong8(&dircount64);
4758 if (dircount64>4096)
4759 {
4760 TIFFErrorExt(tif->tif_clientdata, module,
4761 "Sanity check on directory count failed, this is probably not a valid IFD offset");
4762 return 0;
4763 }
4764 dircount16 = (uint16)dircount64;
4765 dirsize = 20;
4766 }
4767 origdir = _TIFFCheckMalloc(tif, dircount16,
4768 dirsize, "to read TIFF directory");
4769 if (origdir == NULL)
4770 return 0;
4771 if (!ReadOK(tif, origdir, (tmsize_t)(dircount16*dirsize))) {
4772 TIFFErrorExt(tif->tif_clientdata, module,
4773 "%.100s: Can not read TIFF directory",
4774 tif->tif_name);
4775 _TIFFfree(origdir);
4776 return 0;
4777 }
4778 /*
4779 * Read offset to next directory for sequential scans if
4780 * needed.
4781 */
4782 if (nextdiroff)
4783 {
4784 if (!(tif->tif_flags&TIFF_BIGTIFF))
4785 {
4786 uint32 nextdiroff32;
4787 if (!ReadOK(tif, &nextdiroff32, sizeof(uint32)))
4788 nextdiroff32 = 0;
4789 if (tif->tif_flags&TIFF_SWAB)
4790 TIFFSwabLong(&nextdiroff32);
4791 *nextdiroff=nextdiroff32;
4792 } else {
4793 if (!ReadOK(tif, nextdiroff, sizeof(uint64)))
4794 *nextdiroff = 0;
4795 if (tif->tif_flags&TIFF_SWAB)
4796 TIFFSwabLong8(nextdiroff);
4797 }
4798 }
4799 } else {
4800 tmsize_t m;
4801 tmsize_t off;
4802 if (tif->tif_diroff > (uint64)TIFF_INT64_MAX)
4803 {
4804 TIFFErrorExt(tif->tif_clientdata,module,"Can not read TIFF directory count");
4805 return(0);
4806 }
4807 off = (tmsize_t) tif->tif_diroff;
4808
4809 /*
4810 * Check for integer overflow when validating the dir_off,
4811 * otherwise a very high offset may cause an OOB read and
4812 * crash the client. Make two comparisons instead of
4813 *
4814 * off + sizeof(uint16) > tif->tif_size
4815 *
4816 * to avoid overflow.
4817 */
4818 if (!(tif->tif_flags&TIFF_BIGTIFF))
4819 {
4820 m=off+sizeof(uint16);
4821 if ((m<off)||(m<(tmsize_t)sizeof(uint16))||(m>tif->tif_size)) {
4822 TIFFErrorExt(tif->tif_clientdata, module,
4823 "Can not read TIFF directory count");
4824 return 0;
4825 } else {
4826 _TIFFmemcpy(&dircount16, tif->tif_base + off,
4827 sizeof(uint16));
4828 }
4829 off += sizeof (uint16);
4830 if (tif->tif_flags & TIFF_SWAB)
4831 TIFFSwabShort(&dircount16);
4832 if (dircount16>4096)
4833 {
4834 TIFFErrorExt(tif->tif_clientdata, module,
4835 "Sanity check on directory count failed, this is probably not a valid IFD offset");
4836 return 0;
4837 }
4838 dirsize = 12;
4839 }
4840 else
4841 {
4842 uint64 dircount64;
4843 m=off+sizeof(uint64);
4844 if ((m<off)||(m<(tmsize_t)sizeof(uint64))||(m>tif->tif_size)) {
4845 TIFFErrorExt(tif->tif_clientdata, module,
4846 "Can not read TIFF directory count");
4847 return 0;
4848 } else {
4849 _TIFFmemcpy(&dircount64, tif->tif_base + off,
4850 sizeof(uint64));
4851 }
4852 off += sizeof (uint64);
4853 if (tif->tif_flags & TIFF_SWAB)
4854 TIFFSwabLong8(&dircount64);
4855 if (dircount64>4096)
4856 {
4857 TIFFErrorExt(tif->tif_clientdata, module,
4858 "Sanity check on directory count failed, this is probably not a valid IFD offset");
4859 return 0;
4860 }
4861 dircount16 = (uint16)dircount64;
4862 dirsize = 20;
4863 }
4864 if (dircount16 == 0 )
4865 {
4866 TIFFErrorExt(tif->tif_clientdata, module,
4867 "Sanity check on directory count failed, zero tag directories not supported");
4868 return 0;
4869 }
4870 origdir = _TIFFCheckMalloc(tif, dircount16,
4871 dirsize,
4872 "to read TIFF directory");
4873 if (origdir == NULL)
4874 return 0;
4875 m=off+dircount16*dirsize;
4876 if ((m<off)||(m<(tmsize_t)(dircount16*dirsize))||(m>tif->tif_size)) {
4877 TIFFErrorExt(tif->tif_clientdata, module,
4878 "Can not read TIFF directory");
4879 _TIFFfree(origdir);
4880 return 0;
4881 } else {
4882 _TIFFmemcpy(origdir, tif->tif_base + off,
4883 dircount16 * dirsize);
4884 }
4885 if (nextdiroff) {
4886 off += dircount16 * dirsize;
4887 if (!(tif->tif_flags&TIFF_BIGTIFF))
4888 {
4889 uint32 nextdiroff32;
4890 m=off+sizeof(uint32);
4891 if ((m<off)||(m<(tmsize_t)sizeof(uint32))||(m>tif->tif_size))
4892 nextdiroff32 = 0;
4893 else
4894 _TIFFmemcpy(&nextdiroff32, tif->tif_base + off,
4895 sizeof (uint32));
4896 if (tif->tif_flags&TIFF_SWAB)
4897 TIFFSwabLong(&nextdiroff32);
4898 *nextdiroff = nextdiroff32;
4899 }
4900 else
4901 {
4902 m=off+sizeof(uint64);
4903 if ((m<off)||(m<(tmsize_t)sizeof(uint64))||(m>tif->tif_size))
4904 *nextdiroff = 0;
4905 else
4906 _TIFFmemcpy(nextdiroff, tif->tif_base + off,
4907 sizeof (uint64));
4908 if (tif->tif_flags&TIFF_SWAB)
4909 TIFFSwabLong8(nextdiroff);
4910 }
4911 }
4912 }
4913 dir = (TIFFDirEntry*)_TIFFCheckMalloc(tif, dircount16,
4914 sizeof(TIFFDirEntry),
4915 "to read TIFF directory");
4916 if (dir==0)
4917 {
4918 _TIFFfree(origdir);
4919 return 0;
4920 }
4921 ma=(uint8*)origdir;
4922 mb=dir;
4923 for (n=0; n<dircount16; n++)
4924 {
4925 mb->tdir_ignore = FALSE;
4926 if (tif->tif_flags&TIFF_SWAB)
4927 TIFFSwabShort((uint16*)ma);
4928 mb->tdir_tag=*(uint16*)ma;
4929 ma+=sizeof(uint16);
4930 if (tif->tif_flags&TIFF_SWAB)
4931 TIFFSwabShort((uint16*)ma);
4932 mb->tdir_type=*(uint16*)ma;
4933 ma+=sizeof(uint16);
4934 if (!(tif->tif_flags&TIFF_BIGTIFF))
4935 {
4936 if (tif->tif_flags&TIFF_SWAB)
4937 TIFFSwabLong((uint32*)ma);
4938 mb->tdir_count=(uint64)(*(uint32*)ma);
4939 ma+=sizeof(uint32);
4940 mb->tdir_offset.toff_long8=0;
4941 *(uint32*)(&mb->tdir_offset)=*(uint32*)ma;
4942 ma+=sizeof(uint32);
4943 }
4944 else
4945 {
4946 if (tif->tif_flags&TIFF_SWAB)
4947 TIFFSwabLong8((uint64*)ma);
4948 mb->tdir_count=TIFFReadUInt64(ma);
4949 ma+=sizeof(uint64);
4950 mb->tdir_offset.toff_long8=TIFFReadUInt64(ma);
4951 ma+=sizeof(uint64);
4952 }
4953 mb++;
4954 }
4955 _TIFFfree(origdir);
4956 *pdir = dir;
4957 return dircount16;
4958}
4959
4960/*
4961 * Fetch a tag that is not handled by special case code.
4962 */
4963static int
4964TIFFFetchNormalTag(TIFF* tif, TIFFDirEntry* dp, int recover)
4965{
4966 static const char module[] = "TIFFFetchNormalTag";
4967 enum TIFFReadDirEntryErr err;
4968 uint32 fii;
4969 const TIFFField* fip = NULL;
4970 TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
4971 if( fii == FAILED_FII )
4972 {
4973 TIFFErrorExt(tif->tif_clientdata, "TIFFFetchNormalTag",
4974 "No definition found for tag %d",
4975 dp->tdir_tag);
4976 return 0;
4977 }
4978 fip=tif->tif_fields[fii];
4979 assert(fip != NULL); /* should not happen */
4980 assert(fip->set_field_type!=TIFF_SETGET_OTHER); /* if so, we shouldn't arrive here but deal with this in specialized code */
4981 assert(fip->set_field_type!=TIFF_SETGET_INT); /* if so, we shouldn't arrive here as this is only the case for pseudo-tags */
4982 err=TIFFReadDirEntryErrOk;
4983 switch (fip->set_field_type)
4984 {
4985 case TIFF_SETGET_UNDEFINED:
4986 break;
4987 case TIFF_SETGET_ASCII:
4988 {
4989 uint8* data;
4990 assert(fip->field_passcount==0);
4991 err=TIFFReadDirEntryByteArray(tif,dp,&data);
4992 if (err==TIFFReadDirEntryErrOk)
4993 {
4994 uint32 mb = 0;
4995 int n;
4996 if (data != NULL)
4997 {
4998 uint8* ma = data;
4999 while (mb<(uint32)dp->tdir_count)
5000 {
5001 if (*ma==0)
5002 break;
5003 ma++;
5004 mb++;
5005 }
5006 }
5007 if (mb+1<(uint32)dp->tdir_count)
5008 TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" contains null byte in value; value incorrectly truncated during reading due to implementation limitations",fip->field_name);
5009 else if (mb+1>(uint32)dp->tdir_count)
5010 {
5011 uint8* o;
5012 TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte",fip->field_name);
5013 if ((uint32)dp->tdir_count+1!=dp->tdir_count+1)
5014 o=NULL;
5015 else
5016 o=_TIFFmalloc((uint32)dp->tdir_count+1);
5017 if (o==NULL)
5018 {
5019 if (data!=NULL)
5020 _TIFFfree(data);
5021 return(0);
5022 }
5023 _TIFFmemcpy(o,data,(uint32)dp->tdir_count);
5024 o[(uint32)dp->tdir_count]=0;
5025 if (data!=0)
5026 _TIFFfree(data);
5027 data=o;
5028 }
5029 n=TIFFSetField(tif,dp->tdir_tag,data);
5030 if (data!=0)
5031 _TIFFfree(data);
5032 if (!n)
5033 return(0);
5034 }
5035 }
5036 break;
5037 case TIFF_SETGET_UINT8:
5038 {
5039 uint8 data=0;
5040 assert(fip->field_readcount==1);
5041 assert(fip->field_passcount==0);
5042 err=TIFFReadDirEntryByte(tif,dp,&data);
5043 if (err==TIFFReadDirEntryErrOk)
5044 {
5045 if (!TIFFSetField(tif,dp->tdir_tag,data))
5046 return(0);
5047 }
5048 }
5049 break;
5050 case TIFF_SETGET_UINT16:
5051 {
5052 uint16 data;
5053 assert(fip->field_readcount==1);
5054 assert(fip->field_passcount==0);
5055 err=TIFFReadDirEntryShort(tif,dp,&data);
5056 if (err==TIFFReadDirEntryErrOk)
5057 {
5058 if (!TIFFSetField(tif,dp->tdir_tag,data))
5059 return(0);
5060 }
5061 }
5062 break;
5063 case TIFF_SETGET_UINT32:
5064 {
5065 uint32 data;
5066 assert(fip->field_readcount==1);
5067 assert(fip->field_passcount==0);
5068 err=TIFFReadDirEntryLong(tif,dp,&data);
5069 if (err==TIFFReadDirEntryErrOk)
5070 {
5071 if (!TIFFSetField(tif,dp->tdir_tag,data))
5072 return(0);
5073 }
5074 }
5075 break;
5076 case TIFF_SETGET_UINT64:
5077 {
5078 uint64 data;
5079 assert(fip->field_readcount==1);
5080 assert(fip->field_passcount==0);
5081 err=TIFFReadDirEntryLong8(tif,dp,&data);
5082 if (err==TIFFReadDirEntryErrOk)
5083 {
5084 if (!TIFFSetField(tif,dp->tdir_tag,data))
5085 return(0);
5086 }
5087 }
5088 break;
5089 case TIFF_SETGET_FLOAT:
5090 {
5091 float data;
5092 assert(fip->field_readcount==1);
5093 assert(fip->field_passcount==0);
5094 err=TIFFReadDirEntryFloat(tif,dp,&data);
5095 if (err==TIFFReadDirEntryErrOk)
5096 {
5097 if (!TIFFSetField(tif,dp->tdir_tag,data))
5098 return(0);
5099 }
5100 }
5101 break;
5102 case TIFF_SETGET_DOUBLE:
5103 {
5104 double data;
5105 assert(fip->field_readcount==1);
5106 assert(fip->field_passcount==0);
5107 err=TIFFReadDirEntryDouble(tif,dp,&data);
5108 if (err==TIFFReadDirEntryErrOk)
5109 {
5110 if (!TIFFSetField(tif,dp->tdir_tag,data))
5111 return(0);
5112 }
5113 }
5114 break;
5115 case TIFF_SETGET_IFD8:
5116 {
5117 uint64 data;
5118 assert(fip->field_readcount==1);
5119 assert(fip->field_passcount==0);
5120 err=TIFFReadDirEntryIfd8(tif,dp,&data);
5121 if (err==TIFFReadDirEntryErrOk)
5122 {
5123 if (!TIFFSetField(tif,dp->tdir_tag,data))
5124 return(0);
5125 }
5126 }
5127 break;
5128 case TIFF_SETGET_UINT16_PAIR:
5129 {
5130 uint16* data;
5131 assert(fip->field_readcount==2);
5132 assert(fip->field_passcount==0);
5133 if (dp->tdir_count!=2) {
5134 TIFFWarningExt(tif->tif_clientdata,module,
5135 "incorrect count for field \"%s\", expected 2, got %d",
5136 fip->field_name,(int)dp->tdir_count);
5137 return(0);
5138 }
5139 err=TIFFReadDirEntryShortArray(tif,dp,&data);
5140 if (err==TIFFReadDirEntryErrOk)
5141 {
5142 int m;
5143 m=TIFFSetField(tif,dp->tdir_tag,data[0],data[1]);
5144 _TIFFfree(data);
5145 if (!m)
5146 return(0);
5147 }
5148 }
5149 break;
5150 case TIFF_SETGET_C0_UINT8:
5151 {
5152 uint8* data;
5153 assert(fip->field_readcount>=1);
5154 assert(fip->field_passcount==0);
5155 if (dp->tdir_count!=(uint64)fip->field_readcount) {
5156 TIFFWarningExt(tif->tif_clientdata,module,
5157 "incorrect count for field \"%s\", expected %d, got %d",
5158 fip->field_name,(int) fip->field_readcount, (int)dp->tdir_count);
5159 return 0;
5160 }
5161 else
5162 {
5163 err=TIFFReadDirEntryByteArray(tif,dp,&data);
5164 if (err==TIFFReadDirEntryErrOk)
5165 {
5166 int m;
5167 m=TIFFSetField(tif,dp->tdir_tag,data);
5168 if (data!=0)
5169 _TIFFfree(data);
5170 if (!m)
5171 return(0);
5172 }
5173 }
5174 }
5175 break;
5176 case TIFF_SETGET_C0_UINT16:
5177 {
5178 uint16* data;
5179 assert(fip->field_readcount>=1);
5180 assert(fip->field_passcount==0);
5181 if (dp->tdir_count!=(uint64)fip->field_readcount)
5182 /* corrupt file */;
5183 else
5184 {
5185 err=TIFFReadDirEntryShortArray(tif,dp,&data);
5186 if (err==TIFFReadDirEntryErrOk)
5187 {
5188 int m;
5189 m=TIFFSetField(tif,dp->tdir_tag,data);
5190 if (data!=0)
5191 _TIFFfree(data);
5192 if (!m)
5193 return(0);
5194 }
5195 }
5196 }
5197 break;
5198 case TIFF_SETGET_C0_UINT32:
5199 {
5200 uint32* data;
5201 assert(fip->field_readcount>=1);
5202 assert(fip->field_passcount==0);
5203 if (dp->tdir_count!=(uint64)fip->field_readcount)
5204 /* corrupt file */;
5205 else
5206 {
5207 err=TIFFReadDirEntryLongArray(tif,dp,&data);
5208 if (err==TIFFReadDirEntryErrOk)
5209 {
5210 int m;
5211 m=TIFFSetField(tif,dp->tdir_tag,data);
5212 if (data!=0)
5213 _TIFFfree(data);
5214 if (!m)
5215 return(0);
5216 }
5217 }
5218 }
5219 break;
5220 case TIFF_SETGET_C0_FLOAT:
5221 {
5222 float* data;
5223 assert(fip->field_readcount>=1);
5224 assert(fip->field_passcount==0);
5225 if (dp->tdir_count!=(uint64)fip->field_readcount)
5226 /* corrupt file */;
5227 else
5228 {
5229 err=TIFFReadDirEntryFloatArray(tif,dp,&data);
5230 if (err==TIFFReadDirEntryErrOk)
5231 {
5232 int m;
5233 m=TIFFSetField(tif,dp->tdir_tag,data);
5234 if (data!=0)
5235 _TIFFfree(data);
5236 if (!m)
5237 return(0);
5238 }
5239 }
5240 }
5241 break;
5242 case TIFF_SETGET_C16_ASCII:
5243 {
5244 uint8* data;
5245 assert(fip->field_readcount==TIFF_VARIABLE);
5246 assert(fip->field_passcount==1);
5247 if (dp->tdir_count>0xFFFF)
5248 err=TIFFReadDirEntryErrCount;
5249 else
5250 {
5251 err=TIFFReadDirEntryByteArray(tif,dp,&data);
5252 if (err==TIFFReadDirEntryErrOk)
5253 {
5254 int m;
5255 if( data != 0 && dp->tdir_count > 0 && data[dp->tdir_count-1] != '\0' )
5256 {
5257 TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name);
5258 data[dp->tdir_count-1] = '\0';
5259 }
5260 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5261 if (data!=0)
5262 _TIFFfree(data);
5263 if (!m)
5264 return(0);
5265 }
5266 }
5267 }
5268 break;
5269 case TIFF_SETGET_C16_UINT8:
5270 {
5271 uint8* data;
5272 assert(fip->field_readcount==TIFF_VARIABLE);
5273 assert(fip->field_passcount==1);
5274 if (dp->tdir_count>0xFFFF)
5275 err=TIFFReadDirEntryErrCount;
5276 else
5277 {
5278 err=TIFFReadDirEntryByteArray(tif,dp,&data);
5279 if (err==TIFFReadDirEntryErrOk)
5280 {
5281 int m;
5282 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5283 if (data!=0)
5284 _TIFFfree(data);
5285 if (!m)
5286 return(0);
5287 }
5288 }
5289 }
5290 break;
5291 case TIFF_SETGET_C16_UINT16:
5292 {
5293 uint16* data;
5294 assert(fip->field_readcount==TIFF_VARIABLE);
5295 assert(fip->field_passcount==1);
5296 if (dp->tdir_count>0xFFFF)
5297 err=TIFFReadDirEntryErrCount;
5298 else
5299 {
5300 err=TIFFReadDirEntryShortArray(tif,dp,&data);
5301 if (err==TIFFReadDirEntryErrOk)
5302 {
5303 int m;
5304 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5305 if (data!=0)
5306 _TIFFfree(data);
5307 if (!m)
5308 return(0);
5309 }
5310 }
5311 }
5312 break;
5313 case TIFF_SETGET_C16_UINT32:
5314 {
5315 uint32* data;
5316 assert(fip->field_readcount==TIFF_VARIABLE);
5317 assert(fip->field_passcount==1);
5318 if (dp->tdir_count>0xFFFF)
5319 err=TIFFReadDirEntryErrCount;
5320 else
5321 {
5322 err=TIFFReadDirEntryLongArray(tif,dp,&data);
5323 if (err==TIFFReadDirEntryErrOk)
5324 {
5325 int m;
5326 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5327 if (data!=0)
5328 _TIFFfree(data);
5329 if (!m)
5330 return(0);
5331 }
5332 }
5333 }
5334 break;
5335 case TIFF_SETGET_C16_UINT64:
5336 {
5337 uint64* data;
5338 assert(fip->field_readcount==TIFF_VARIABLE);
5339 assert(fip->field_passcount==1);
5340 if (dp->tdir_count>0xFFFF)
5341 err=TIFFReadDirEntryErrCount;
5342 else
5343 {
5344 err=TIFFReadDirEntryLong8Array(tif,dp,&data);
5345 if (err==TIFFReadDirEntryErrOk)
5346 {
5347 int m;
5348 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5349 if (data!=0)
5350 _TIFFfree(data);
5351 if (!m)
5352 return(0);
5353 }
5354 }
5355 }
5356 break;
5357 case TIFF_SETGET_C16_FLOAT:
5358 {
5359 float* data;
5360 assert(fip->field_readcount==TIFF_VARIABLE);
5361 assert(fip->field_passcount==1);
5362 if (dp->tdir_count>0xFFFF)
5363 err=TIFFReadDirEntryErrCount;
5364 else
5365 {
5366 err=TIFFReadDirEntryFloatArray(tif,dp,&data);
5367 if (err==TIFFReadDirEntryErrOk)
5368 {
5369 int m;
5370 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5371 if (data!=0)
5372 _TIFFfree(data);
5373 if (!m)
5374 return(0);
5375 }
5376 }
5377 }
5378 break;
5379 case TIFF_SETGET_C16_DOUBLE:
5380 {
5381 double* data;
5382 assert(fip->field_readcount==TIFF_VARIABLE);
5383 assert(fip->field_passcount==1);
5384 if (dp->tdir_count>0xFFFF)
5385 err=TIFFReadDirEntryErrCount;
5386 else
5387 {
5388 err=TIFFReadDirEntryDoubleArray(tif,dp,&data);
5389 if (err==TIFFReadDirEntryErrOk)
5390 {
5391 int m;
5392 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5393 if (data!=0)
5394 _TIFFfree(data);
5395 if (!m)
5396 return(0);
5397 }
5398 }
5399 }
5400 break;
5401 case TIFF_SETGET_C16_IFD8:
5402 {
5403 uint64* data;
5404 assert(fip->field_readcount==TIFF_VARIABLE);
5405 assert(fip->field_passcount==1);
5406 if (dp->tdir_count>0xFFFF)
5407 err=TIFFReadDirEntryErrCount;
5408 else
5409 {
5410 err=TIFFReadDirEntryIfd8Array(tif,dp,&data);
5411 if (err==TIFFReadDirEntryErrOk)
5412 {
5413 int m;
5414 m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
5415 if (data!=0)
5416 _TIFFfree(data);
5417 if (!m)
5418 return(0);
5419 }
5420 }
5421 }
5422 break;
5423 case TIFF_SETGET_C32_ASCII:
5424 {
5425 uint8* data;
5426 assert(fip->field_readcount==TIFF_VARIABLE2);
5427 assert(fip->field_passcount==1);
5428 err=TIFFReadDirEntryByteArray(tif,dp,&data);
5429 if (err==TIFFReadDirEntryErrOk)
5430 {
5431 int m;
5432 if( data != 0 && dp->tdir_count > 0 && data[dp->tdir_count-1] != '\0' )
5433 {
5434 TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte. Forcing it to be null",fip->field_name);
5435 data[dp->tdir_count-1] = '\0';
5436 }
5437 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5438 if (data!=0)
5439 _TIFFfree(data);
5440 if (!m)
5441 return(0);
5442 }
5443 }
5444 break;
5445 case TIFF_SETGET_C32_UINT8:
5446 {
5447 uint8* data;
5448 assert(fip->field_readcount==TIFF_VARIABLE2);
5449 assert(fip->field_passcount==1);
5450 err=TIFFReadDirEntryByteArray(tif,dp,&data);
5451 if (err==TIFFReadDirEntryErrOk)
5452 {
5453 int m;
5454 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5455 if (data!=0)
5456 _TIFFfree(data);
5457 if (!m)
5458 return(0);
5459 }
5460 }
5461 break;
5462 case TIFF_SETGET_C32_SINT8:
5463 {
5464 int8* data = NULL;
5465 assert(fip->field_readcount==TIFF_VARIABLE2);
5466 assert(fip->field_passcount==1);
5467 err=TIFFReadDirEntrySbyteArray(tif,dp,&data);
5468 if (err==TIFFReadDirEntryErrOk)
5469 {
5470 int m;
5471 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5472 if (data!=0)
5473 _TIFFfree(data);
5474 if (!m)
5475 return(0);
5476 }
5477 }
5478 break;
5479 case TIFF_SETGET_C32_UINT16:
5480 {
5481 uint16* data;
5482 assert(fip->field_readcount==TIFF_VARIABLE2);
5483 assert(fip->field_passcount==1);
5484 err=TIFFReadDirEntryShortArray(tif,dp,&data);
5485 if (err==TIFFReadDirEntryErrOk)
5486 {
5487 int m;
5488 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5489 if (data!=0)
5490 _TIFFfree(data);
5491 if (!m)
5492 return(0);
5493 }
5494 }
5495 break;
5496 case TIFF_SETGET_C32_SINT16:
5497 {
5498 int16* data = NULL;
5499 assert(fip->field_readcount==TIFF_VARIABLE2);
5500 assert(fip->field_passcount==1);
5501 err=TIFFReadDirEntrySshortArray(tif,dp,&data);
5502 if (err==TIFFReadDirEntryErrOk)
5503 {
5504 int m;
5505 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5506 if (data!=0)
5507 _TIFFfree(data);
5508 if (!m)
5509 return(0);
5510 }
5511 }
5512 break;
5513 case TIFF_SETGET_C32_UINT32:
5514 {
5515 uint32* data;
5516 assert(fip->field_readcount==TIFF_VARIABLE2);
5517 assert(fip->field_passcount==1);
5518 err=TIFFReadDirEntryLongArray(tif,dp,&data);
5519 if (err==TIFFReadDirEntryErrOk)
5520 {
5521 int m;
5522 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5523 if (data!=0)
5524 _TIFFfree(data);
5525 if (!m)
5526 return(0);
5527 }
5528 }
5529 break;
5530 case TIFF_SETGET_C32_SINT32:
5531 {
5532 int32* data = NULL;
5533 assert(fip->field_readcount==TIFF_VARIABLE2);
5534 assert(fip->field_passcount==1);
5535 err=TIFFReadDirEntrySlongArray(tif,dp,&data);
5536 if (err==TIFFReadDirEntryErrOk)
5537 {
5538 int m;
5539 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5540 if (data!=0)
5541 _TIFFfree(data);
5542 if (!m)
5543 return(0);
5544 }
5545 }
5546 break;
5547 case TIFF_SETGET_C32_UINT64:
5548 {
5549 uint64* data;
5550 assert(fip->field_readcount==TIFF_VARIABLE2);
5551 assert(fip->field_passcount==1);
5552 err=TIFFReadDirEntryLong8Array(tif,dp,&data);
5553 if (err==TIFFReadDirEntryErrOk)
5554 {
5555 int m;
5556 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5557 if (data!=0)
5558 _TIFFfree(data);
5559 if (!m)
5560 return(0);
5561 }
5562 }
5563 break;
5564 case TIFF_SETGET_C32_SINT64:
5565 {
5566 int64* data = NULL;
5567 assert(fip->field_readcount==TIFF_VARIABLE2);
5568 assert(fip->field_passcount==1);
5569 err=TIFFReadDirEntrySlong8Array(tif,dp,&data);
5570 if (err==TIFFReadDirEntryErrOk)
5571 {
5572 int m;
5573 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5574 if (data!=0)
5575 _TIFFfree(data);
5576 if (!m)
5577 return(0);
5578 }
5579 }
5580 break;
5581 case TIFF_SETGET_C32_FLOAT:
5582 {
5583 float* data;
5584 assert(fip->field_readcount==TIFF_VARIABLE2);
5585 assert(fip->field_passcount==1);
5586 err=TIFFReadDirEntryFloatArray(tif,dp,&data);
5587 if (err==TIFFReadDirEntryErrOk)
5588 {
5589 int m;
5590 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5591 if (data!=0)
5592 _TIFFfree(data);
5593 if (!m)
5594 return(0);
5595 }
5596 }
5597 break;
5598 case TIFF_SETGET_C32_DOUBLE:
5599 {
5600 double* data;
5601 assert(fip->field_readcount==TIFF_VARIABLE2);
5602 assert(fip->field_passcount==1);
5603 err=TIFFReadDirEntryDoubleArray(tif,dp,&data);
5604 if (err==TIFFReadDirEntryErrOk)
5605 {
5606 int m;
5607 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5608 if (data!=0)
5609 _TIFFfree(data);
5610 if (!m)
5611 return(0);
5612 }
5613 }
5614 break;
5615 case TIFF_SETGET_C32_IFD8:
5616 {
5617 uint64* data;
5618 assert(fip->field_readcount==TIFF_VARIABLE2);
5619 assert(fip->field_passcount==1);
5620 err=TIFFReadDirEntryIfd8Array(tif,dp,&data);
5621 if (err==TIFFReadDirEntryErrOk)
5622 {
5623 int m;
5624 m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
5625 if (data!=0)
5626 _TIFFfree(data);
5627 if (!m)
5628 return(0);
5629 }
5630 }
5631 break;
5632 default:
5633 assert(0); /* we should never get here */
5634 break;
5635 }
5636 if (err!=TIFFReadDirEntryErrOk)
5637 {
5638 TIFFReadDirEntryOutputErr(tif,err,module,fip->field_name,recover);
5639 return(0);
5640 }
5641 return(1);
5642}
5643
5644/*
5645 * Fetch a set of offsets or lengths.
5646 * While this routine says "strips", in fact it's also used for tiles.
5647 */
5648static int
5649TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32 nstrips, uint64** lpp)
5650{
5651 static const char module[] = "TIFFFetchStripThing";
5652 enum TIFFReadDirEntryErr err;
5653 uint64* data;
5654 err=TIFFReadDirEntryLong8ArrayWithLimit(tif,dir,&data,nstrips);
5655 if (err!=TIFFReadDirEntryErrOk)
5656 {
5657 const TIFFField* fip = TIFFFieldWithTag(tif,dir->tdir_tag);
5658 TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
5659 return(0);
5660 }
5661 if (dir->tdir_count<(uint64)nstrips)
5662 {
5663 uint64* resizeddata;
5664 const TIFFField* fip = TIFFFieldWithTag(tif,dir->tdir_tag);
5665 const char* pszMax = getenv("LIBTIFF_STRILE_ARRAY_MAX_RESIZE_COUNT");
5666 uint32 max_nstrips = 1000000;
5667 if( pszMax )
5668 max_nstrips = (uint32) atoi(pszMax);
5669 TIFFReadDirEntryOutputErr(tif,TIFFReadDirEntryErrCount,
5670 module,
5671 fip ? fip->field_name : "unknown tagname",
5672 ( nstrips <= max_nstrips ) );
5673
5674 if( nstrips > max_nstrips )
5675 {
5676 _TIFFfree(data);
5677 return(0);
5678 }
5679
5680 resizeddata=(uint64*)_TIFFCheckMalloc(tif,nstrips,sizeof(uint64),"for strip array");
5681 if (resizeddata==0) {
5682 _TIFFfree(data);
5683 return(0);
5684 }
5685 _TIFFmemcpy(resizeddata,data,(uint32)dir->tdir_count*sizeof(uint64));
5686 _TIFFmemset(resizeddata+(uint32)dir->tdir_count,0,(nstrips-(uint32)dir->tdir_count)*sizeof(uint64));
5687 _TIFFfree(data);
5688 data=resizeddata;
5689 }
5690 *lpp=data;
5691 return(1);
5692}
5693
5694/*
5695 * Fetch and set the SubjectDistance EXIF tag.
5696 */
5697static int
5698TIFFFetchSubjectDistance(TIFF* tif, TIFFDirEntry* dir)
5699{
5700 static const char module[] = "TIFFFetchSubjectDistance";
5701 enum TIFFReadDirEntryErr err;
5702 UInt64Aligned_t m;
5703 m.l=0;
5704 assert(sizeof(double)==8);
5705 assert(sizeof(uint64)==8);
5706 assert(sizeof(uint32)==4);
5707 if (dir->tdir_count!=1)
5708 err=TIFFReadDirEntryErrCount;
5709 else if (dir->tdir_type!=TIFF_RATIONAL)
5710 err=TIFFReadDirEntryErrType;
5711 else
5712 {
5713 if (!(tif->tif_flags&TIFF_BIGTIFF))
5714 {
5715 uint32 offset;
5716 offset=*(uint32*)(&dir->tdir_offset);
5717 if (tif->tif_flags&TIFF_SWAB)
5718 TIFFSwabLong(&offset);
5719 err=TIFFReadDirEntryData(tif,offset,8,m.i);
5720 }
5721 else
5722 {
5723 m.l=dir->tdir_offset.toff_long8;
5724 err=TIFFReadDirEntryErrOk;
5725 }
5726 }
5727 if (err==TIFFReadDirEntryErrOk)
5728 {
5729 double n;
5730 if (tif->tif_flags&TIFF_SWAB)
5731 TIFFSwabArrayOfLong(m.i,2);
5732 if (m.i[0]==0)
5733 n=0.0;
5734 else if (m.i[0]==0xFFFFFFFF || m.i[1]==0)
5735 /*
5736 * XXX: Numerator 0xFFFFFFFF means that we have infinite
5737 * distance. Indicate that with a negative floating point
5738 * SubjectDistance value.
5739 */
5740 n=-1.0;
5741 else
5742 n=(double)m.i[0]/(double)m.i[1];
5743 return(TIFFSetField(tif,dir->tdir_tag,n));
5744 }
5745 else
5746 {
5747 TIFFReadDirEntryOutputErr(tif,err,module,"SubjectDistance",TRUE);
5748 return(0);
5749 }
5750}
5751
5752static void allocChoppedUpStripArrays(TIFF* tif, uint32 nstrips,
5753 uint64 stripbytes, uint32 rowsperstrip)
5754{
5755 TIFFDirectory *td = &tif->tif_dir;
5756 uint64 bytecount;
5757 uint64 offset;
5758 uint64 last_offset;
5759 uint64 last_bytecount;
5760 uint32 i;
5761 uint64 *newcounts;
5762 uint64 *newoffsets;
5763
5764 offset = TIFFGetStrileOffset(tif, 0);
5765 last_offset = TIFFGetStrileOffset(tif, td->td_nstrips-1);
5766 last_bytecount = TIFFGetStrileByteCount(tif, td->td_nstrips-1);
5767 if( last_offset > TIFF_UINT64_MAX - last_bytecount ||
5768 last_offset + last_bytecount < offset )
5769 {
5770 return;
5771 }
5772 bytecount = last_offset + last_bytecount - offset;
5773
5774 newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64),
5775 "for chopped \"StripByteCounts\" array");
5776 newoffsets = (uint64*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint64),
5777 "for chopped \"StripOffsets\" array");
5778 if (newcounts == NULL || newoffsets == NULL) {
5779 /*
5780 * Unable to allocate new strip information, give up and use
5781 * the original one strip information.
5782 */
5783 if (newcounts != NULL)
5784 _TIFFfree(newcounts);
5785 if (newoffsets != NULL)
5786 _TIFFfree(newoffsets);
5787 return;
5788 }
5789
5790 /*
5791 * Fill the strip information arrays with new bytecounts and offsets
5792 * that reflect the broken-up format.
5793 */
5794 for (i = 0; i < nstrips; i++)
5795 {
5796 if (stripbytes > bytecount)
5797 stripbytes = bytecount;
5798 newcounts[i] = stripbytes;
5799 newoffsets[i] = stripbytes ? offset : 0;
5800 offset += stripbytes;
5801 bytecount -= stripbytes;
5802 }
5803
5804 /*
5805 * Replace old single strip info with multi-strip info.
5806 */
5807 td->td_stripsperimage = td->td_nstrips = nstrips;
5808 TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
5809
5810 _TIFFfree(td->td_stripbytecount_p);
5811 _TIFFfree(td->td_stripoffset_p);
5812 td->td_stripbytecount_p = newcounts;
5813 td->td_stripoffset_p = newoffsets;
5814#ifdef STRIPBYTECOUNTSORTED_UNUSED
5815 td->td_stripbytecountsorted = 1;
5816#endif
5817 tif->tif_flags |= TIFF_CHOPPEDUPARRAYS;
5818}
5819
5820
5821/*
5822 * Replace a single strip (tile) of uncompressed data by multiple strips
5823 * (tiles), each approximately STRIP_SIZE_DEFAULT bytes. This is useful for
5824 * dealing with large images or for dealing with machines with a limited
5825 * amount memory.
5826 */
5827static void
5828ChopUpSingleUncompressedStrip(TIFF* tif)
5829{
5830 register TIFFDirectory *td = &tif->tif_dir;
5831 uint64 bytecount;
5832 uint64 offset;
5833 uint32 rowblock;
5834 uint64 rowblockbytes;
5835 uint64 stripbytes;
5836 uint32 nstrips;
5837 uint32 rowsperstrip;
5838
5839 bytecount = TIFFGetStrileByteCount(tif, 0);
5840 /* On a newly created file, just re-opened to be filled, we */
5841 /* don't want strip chop to trigger as it is going to cause issues */
5842 /* later ( StripOffsets and StripByteCounts improperly filled) . */
5843 if( bytecount == 0 && tif->tif_mode != O_RDONLY )
5844 return;
5845 offset = TIFFGetStrileByteCount(tif, 0);
5846 assert(td->td_planarconfig == PLANARCONFIG_CONTIG);
5847 if ((td->td_photometric == PHOTOMETRIC_YCBCR)&&
5848 (!isUpSampled(tif)))
5849 rowblock = td->td_ycbcrsubsampling[1];
5850 else
5851 rowblock = 1;
5852 rowblockbytes = TIFFVTileSize64(tif, rowblock);
5853 /*
5854 * Make the rows hold at least one scanline, but fill specified amount
5855 * of data if possible.
5856 */
5857 if (rowblockbytes > STRIP_SIZE_DEFAULT) {
5858 stripbytes = rowblockbytes;
5859 rowsperstrip = rowblock;
5860 } else if (rowblockbytes > 0 ) {
5861 uint32 rowblocksperstrip;
5862 rowblocksperstrip = (uint32) (STRIP_SIZE_DEFAULT / rowblockbytes);
5863 rowsperstrip = rowblocksperstrip * rowblock;
5864 stripbytes = rowblocksperstrip * rowblockbytes;
5865 }
5866 else
5867 return;
5868
5869 /*
5870 * never increase the number of rows per strip
5871 */
5872 if (rowsperstrip >= td->td_rowsperstrip)
5873 return;
5874 nstrips = TIFFhowmany_32(td->td_imagelength, rowsperstrip);
5875 if( nstrips == 0 )
5876 return;
5877
5878 /* If we are going to allocate a lot of memory, make sure that the */
5879 /* file is as big as needed */
5880 if( tif->tif_mode == O_RDONLY &&
5881 nstrips > 1000000 &&
5882 (offset >= TIFFGetFileSize(tif) ||
5883 stripbytes > (TIFFGetFileSize(tif) - offset) / (nstrips - 1)) )
5884 {
5885 return;
5886 }
5887
5888 allocChoppedUpStripArrays(tif, nstrips, stripbytes, rowsperstrip);
5889}
5890
5891
5892/*
5893 * Replace a file with contiguous strips > 2 GB of uncompressed data by
5894 * multiple smaller strips. This is useful for
5895 * dealing with large images or for dealing with machines with a limited
5896 * amount memory.
5897 */
5898static void TryChopUpUncompressedBigTiff( TIFF* tif )
5899{
5900 TIFFDirectory *td = &tif->tif_dir;
5901 uint32 rowblock;
5902 uint64 rowblockbytes;
5903 uint32 i;
5904 uint64 stripsize;
5905 uint32 rowblocksperstrip;
5906 uint32 rowsperstrip;
5907 uint64 stripbytes;
5908 uint32 nstrips;
5909
5910 stripsize = TIFFStripSize64(tif);
5911
5912 assert( tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG );
5913 assert( tif->tif_dir.td_compression == COMPRESSION_NONE );
5914 assert( (tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED)) == TIFF_STRIPCHOP );
5915 assert( stripsize > 0x7FFFFFFFUL );
5916
5917 /* On a newly created file, just re-opened to be filled, we */
5918 /* don't want strip chop to trigger as it is going to cause issues */
5919 /* later ( StripOffsets and StripByteCounts improperly filled) . */
5920 if( TIFFGetStrileByteCount(tif, 0) == 0 && tif->tif_mode != O_RDONLY )
5921 return;
5922
5923 if ((td->td_photometric == PHOTOMETRIC_YCBCR)&&
5924 (!isUpSampled(tif)))
5925 rowblock = td->td_ycbcrsubsampling[1];
5926 else
5927 rowblock = 1;
5928 rowblockbytes = TIFFVStripSize64(tif, rowblock);
5929 if( rowblockbytes == 0 || rowblockbytes > 0x7FFFFFFFUL )
5930 {
5931 /* In case of file with gigantic width */
5932 return;
5933 }
5934
5935 /* Check that the strips are contiguous and of the expected size */
5936 for( i = 0; i < td->td_nstrips; i++ )
5937 {
5938 if( i == td->td_nstrips - 1 )
5939 {
5940 if( TIFFGetStrileByteCount(tif, i) < TIFFVStripSize64(
5941 tif, td->td_imagelength - i * td->td_rowsperstrip ) )
5942 {
5943 return;
5944 }
5945 }
5946 else
5947 {
5948 if( TIFFGetStrileByteCount(tif, i) != stripsize )
5949 {
5950 return;
5951 }
5952 if( i > 0 && TIFFGetStrileOffset(tif, i) !=
5953 TIFFGetStrileOffset(tif, i-1) + TIFFGetStrileByteCount(tif, i-1) )
5954 {
5955 return;
5956 }
5957 }
5958 }
5959
5960 /* Aim for 512 MB strips (that will still be manageable by 32 bit builds */
5961 rowblocksperstrip = (uint32) (512 * 1024 * 1024 / rowblockbytes);
5962 if( rowblocksperstrip == 0 )
5963 rowblocksperstrip = 1;
5964 rowsperstrip = rowblocksperstrip * rowblock;
5965 stripbytes = rowblocksperstrip * rowblockbytes;
5966 assert( stripbytes <= 0x7FFFFFFFUL );
5967
5968 nstrips = TIFFhowmany_32(td->td_imagelength, rowsperstrip);
5969 if( nstrips == 0 )
5970 return;
5971
5972 /* If we are going to allocate a lot of memory, make sure that the */
5973 /* file is as big as needed */
5974 if( tif->tif_mode == O_RDONLY &&
5975 nstrips > 1000000 )
5976 {
5977 uint64 last_offset = TIFFGetStrileOffset(tif, td->td_nstrips-1);
5978 uint64 filesize = TIFFGetFileSize(tif);
5979 uint64 last_bytecount = TIFFGetStrileByteCount(tif, td->td_nstrips-1);
5980 if( last_offset > filesize ||
5981 last_bytecount > filesize - last_offset )
5982 {
5983 return;
5984 }
5985 }
5986
5987 allocChoppedUpStripArrays(tif, nstrips, stripbytes, rowsperstrip);
5988}
5989
5990
5991TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW
5992static uint64 _TIFFUnsanitizedAddUInt64AndInt(uint64 a, int b)
5993{
5994 return a + b;
5995}
5996
5997/* Read the value of [Strip|Tile]Offset or [Strip|Tile]ByteCount around
5998 * strip/tile of number strile. Also fetch the neighbouring values using a
5999 * 4096 byte page size.
6000 */
6001static
6002int _TIFFPartialReadStripArray( TIFF* tif, TIFFDirEntry* dirent,
6003 int strile, uint64* panVals )
6004{
6005 static const char module[] = "_TIFFPartialReadStripArray";
6006#define IO_CACHE_PAGE_SIZE 4096
6007
6008 size_t sizeofval;
6009 const int bSwab = (tif->tif_flags & TIFF_SWAB) != 0;
6010 int sizeofvalint;
6011 uint64 nBaseOffset;
6012 uint64 nOffset;
6013 uint64 nOffsetStartPage;
6014 uint64 nOffsetEndPage;
6015 tmsize_t nToRead;
6016 tmsize_t nRead;
6017 uint64 nLastStripOffset;
6018 int iStartBefore;
6019 int i;
6020 const uint32 arraySize = tif->tif_dir.td_stripoffsetbyteallocsize;
6021 unsigned char buffer[2 * IO_CACHE_PAGE_SIZE];
6022
6023 assert( dirent->tdir_count > 4 );
6024
6025 if( dirent->tdir_type == TIFF_SHORT )
6026 {
6027 sizeofval = sizeof(uint16);
6028 }
6029 else if( dirent->tdir_type == TIFF_LONG )
6030 {
6031 sizeofval = sizeof(uint32);
6032 }
6033 else if( dirent->tdir_type == TIFF_LONG8 )
6034 {
6035 sizeofval = sizeof(uint64);
6036 }
6037 else
6038 {
6039 TIFFErrorExt(tif->tif_clientdata, module,
6040 "Invalid type for [Strip|Tile][Offset/ByteCount] tag");
6041 panVals[strile] = 0;
6042 return 0;
6043 }
6044 sizeofvalint = (int)(sizeofval);
6045
6046 if( tif->tif_flags&TIFF_BIGTIFF )
6047 {
6048 uint64 offset = dirent->tdir_offset.toff_long8;
6049 if( bSwab )
6050 TIFFSwabLong8(&offset);
6051 nBaseOffset = offset;
6052 }
6053 else
6054 {
6055 uint32 offset = dirent->tdir_offset.toff_long;
6056 if( bSwab )
6057 TIFFSwabLong(&offset);
6058 nBaseOffset = offset;
6059 }
6060 /* To avoid later unsigned integer overflows */
6061 if( nBaseOffset > (uint64)TIFF_INT64_MAX )
6062 {
6063 TIFFErrorExt(tif->tif_clientdata, module,
6064 "Cannot read offset/size for strile %d", strile);
6065 panVals[strile] = 0;
6066 return 0;
6067 }
6068 nOffset = nBaseOffset + sizeofval * strile;
6069 nOffsetStartPage =
6070 (nOffset / IO_CACHE_PAGE_SIZE) * IO_CACHE_PAGE_SIZE;
6071 nOffsetEndPage = nOffsetStartPage + IO_CACHE_PAGE_SIZE;
6072
6073 if( nOffset + sizeofval > nOffsetEndPage )
6074 nOffsetEndPage += IO_CACHE_PAGE_SIZE;
6075#undef IO_CACHE_PAGE_SIZE
6076
6077 nLastStripOffset = nBaseOffset + arraySize * sizeofval;
6078 if( nLastStripOffset < nOffsetEndPage )
6079 nOffsetEndPage = nLastStripOffset;
6080 if( nOffsetStartPage >= nOffsetEndPage )
6081 {
6082 TIFFErrorExt(tif->tif_clientdata, module,
6083 "Cannot read offset/size for strile %d", strile);
6084 panVals[strile] = 0;
6085 return 0;
6086 }
6087 if (!SeekOK(tif,nOffsetStartPage))
6088 {
6089 panVals[strile] = 0;
6090 return 0;
6091 }
6092
6093 nToRead = (tmsize_t)(nOffsetEndPage - nOffsetStartPage);
6094 nRead = TIFFReadFile(tif, buffer, nToRead);
6095 if( nRead < nToRead )
6096 {
6097 TIFFErrorExt(tif->tif_clientdata, module,
6098 "Cannot read offset/size for strile around ~%d", strile);
6099 return 0;
6100 }
6101 iStartBefore = -(int)((nOffset - nOffsetStartPage) / sizeofval);
6102 if( strile + iStartBefore < 0 )
6103 iStartBefore = -strile;
6104 for( i = iStartBefore;
6105 (uint32)(strile + i) < arraySize &&
6106 _TIFFUnsanitizedAddUInt64AndInt(nOffset, (i + 1) * sizeofvalint) <= nOffsetEndPage;
6107 ++i )
6108 {
6109 if( sizeofval == sizeof(uint16) )
6110 {
6111 uint16 val;
6112 memcpy(&val,
6113 buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint,
6114 sizeof(val));
6115 if( bSwab )
6116 TIFFSwabShort(&val);
6117 panVals[strile + i] = val;
6118 }
6119 else if( sizeofval == sizeof(uint32) )
6120 {
6121 uint32 val;
6122 memcpy(&val,
6123 buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint,
6124 sizeof(val));
6125 if( bSwab )
6126 TIFFSwabLong(&val);
6127 panVals[strile + i] = val;
6128 }
6129 else
6130 {
6131 uint64 val;
6132 memcpy(&val,
6133 buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint,
6134 sizeof(val));
6135 if( bSwab )
6136 TIFFSwabLong8(&val);
6137 panVals[strile + i] = val;
6138 }
6139 }
6140 return 1;
6141}
6142
6143static int _TIFFFetchStrileValue(TIFF* tif,
6144 uint32 strile,
6145 TIFFDirEntry* dirent,
6146 uint64** parray)
6147{
6148 static const char module[] = "_TIFFFetchStrileValue";
6149 TIFFDirectory *td = &tif->tif_dir;
6150 if( strile >= dirent->tdir_count )
6151 {
6152 return 0;
6153 }
6154 if( strile >= td->td_stripoffsetbyteallocsize )
6155 {
6156 uint32 nStripArrayAllocBefore = td->td_stripoffsetbyteallocsize;
6157 uint32 nStripArrayAllocNew;
6158 uint64 nArraySize64;
6159 size_t nArraySize;
6160 uint64* offsetArray;
6161 uint64* bytecountArray;
6162
6163 if( strile > 1000000 )
6164 {
6165 uint64 filesize = TIFFGetFileSize(tif);
6166 /* Avoid excessive memory allocation attempt */
6167 /* For such a big blockid we need at least a TIFF_LONG per strile */
6168 /* for the offset array. */
6169 if( strile > filesize / sizeof(uint32) )
6170 {
6171 TIFFErrorExt(tif->tif_clientdata, module, "File too short");
6172 return 0;
6173 }
6174 }
6175
6176 if( td->td_stripoffsetbyteallocsize == 0 &&
6177 td->td_nstrips < 1024 * 1024 )
6178 {
6179 nStripArrayAllocNew = td->td_nstrips;
6180 }
6181 else
6182 {
6183#define TIFF_MAX(a,b) (((a)>(b)) ? (a) : (b))
6184#define TIFF_MIN(a,b) (((a)<(b)) ? (a) : (b))
6185 nStripArrayAllocNew = TIFF_MAX(strile + 1, 1024U * 512U );
6186 if( nStripArrayAllocNew < 0xFFFFFFFFU / 2 )
6187 nStripArrayAllocNew *= 2;
6188 nStripArrayAllocNew = TIFF_MIN(nStripArrayAllocNew, td->td_nstrips);
6189 }
6190 assert( strile < nStripArrayAllocNew );
6191 nArraySize64 = (uint64)sizeof(uint64) * nStripArrayAllocNew;
6192 nArraySize = (size_t)(nArraySize64);
6193#if SIZEOF_SIZE_T == 4
6194 if( nArraySize != nArraySize64 )
6195 {
6196 TIFFErrorExt(tif->tif_clientdata, module,
6197 "Cannot allocate strip offset and bytecount arrays");
6198 return 0;
6199 }
6200#endif
6201 offsetArray = (uint64*)(
6202 _TIFFrealloc( td->td_stripoffset_p, nArraySize ) );
6203 bytecountArray = (uint64*)(
6204 _TIFFrealloc( td->td_stripbytecount_p, nArraySize ) );
6205 if( offsetArray )
6206 td->td_stripoffset_p = offsetArray;
6207 if( bytecountArray )
6208 td->td_stripbytecount_p = bytecountArray;
6209 if( offsetArray && bytecountArray )
6210 {
6211 td->td_stripoffsetbyteallocsize = nStripArrayAllocNew;
6212 /* Initialize new entries to ~0 / -1 */
6213 memset(td->td_stripoffset_p + nStripArrayAllocBefore,
6214 0xFF,
6215 (td->td_stripoffsetbyteallocsize - nStripArrayAllocBefore) * sizeof(uint64) );
6216 memset(td->td_stripbytecount_p + nStripArrayAllocBefore,
6217 0xFF,
6218 (td->td_stripoffsetbyteallocsize - nStripArrayAllocBefore) * sizeof(uint64) );
6219 }
6220 else
6221 {
6222 TIFFErrorExt(tif->tif_clientdata, module,
6223 "Cannot allocate strip offset and bytecount arrays");
6224 _TIFFfree(td->td_stripoffset_p);
6225 td->td_stripoffset_p = NULL;
6226 _TIFFfree(td->td_stripbytecount_p);
6227 td->td_stripbytecount_p = NULL;
6228 td->td_stripoffsetbyteallocsize = 0;
6229 }
6230 }
6231 if( *parray == NULL || strile >= td->td_stripoffsetbyteallocsize )
6232 return 0;
6233
6234 if( ~((*parray)[strile]) == 0 )
6235 {
6236 if( !_TIFFPartialReadStripArray( tif, dirent, strile, *parray ) )
6237 {
6238 (*parray)[strile] = 0;
6239 return 0;
6240 }
6241 }
6242
6243 return 1;
6244}
6245
6246static uint64 _TIFFGetStrileOffsetOrByteCountValue(TIFF *tif, uint32 strile,
6247 TIFFDirEntry* dirent,
6248 uint64** parray,
6249 int *pbErr)
6250{
6251 TIFFDirectory *td = &tif->tif_dir;
6252 if( pbErr )
6253 *pbErr = 0;
6254 if( (tif->tif_flags&TIFF_DEFERSTRILELOAD) && !(tif->tif_flags&TIFF_CHOPPEDUPARRAYS) )
6255 {
6256 if( !(tif->tif_flags&TIFF_LAZYSTRILELOAD) ||
6257 /* If the values may fit in the toff_long/toff_long8 member */
6258 /* then use _TIFFFillStriles to simplify _TIFFFetchStrileValue */
6259 dirent->tdir_count <= 4 )
6260 {
6261 if( !_TIFFFillStriles(tif) )
6262 {
6263 if( pbErr )
6264 *pbErr = 1;
6265 /* Do not return, as we want this function to always */
6266 /* return the same value if called several times with */
6267 /* the same arguments */
6268 }
6269 }
6270 else
6271 {
6272 if( !_TIFFFetchStrileValue(tif, strile, dirent, parray) )
6273 {
6274 if( pbErr )
6275 *pbErr = 1;
6276 return 0;
6277 }
6278 }
6279 }
6280 if( *parray == NULL || strile >= td->td_nstrips )
6281 {
6282 if( pbErr )
6283 *pbErr = 1;
6284 return 0;
6285 }
6286 return (*parray)[strile];
6287}
6288
6289/* Return the value of the TileOffsets/StripOffsets array for the specified tile/strile */
6290uint64 TIFFGetStrileOffset(TIFF *tif, uint32 strile)
6291{
6292 return TIFFGetStrileOffsetWithErr(tif, strile, NULL);
6293}
6294
6295/* Return the value of the TileOffsets/StripOffsets array for the specified tile/strile */
6296uint64 TIFFGetStrileOffsetWithErr(TIFF *tif, uint32 strile, int *pbErr)
6297{
6298 TIFFDirectory *td = &tif->tif_dir;
6299 return _TIFFGetStrileOffsetOrByteCountValue(tif, strile,
6300 &(td->td_stripoffset_entry),
6301 &(td->td_stripoffset_p), pbErr);
6302}
6303
6304/* Return the value of the TileByteCounts/StripByteCounts array for the specified tile/strile */
6305uint64 TIFFGetStrileByteCount(TIFF *tif, uint32 strile)
6306{
6307 return TIFFGetStrileByteCountWithErr(tif, strile, NULL);
6308}
6309
6310/* Return the value of the TileByteCounts/StripByteCounts array for the specified tile/strile */
6311uint64 TIFFGetStrileByteCountWithErr(TIFF *tif, uint32 strile, int *pbErr)
6312{
6313 TIFFDirectory *td = &tif->tif_dir;
6314 return _TIFFGetStrileOffsetOrByteCountValue(tif, strile,
6315 &(td->td_stripbytecount_entry),
6316 &(td->td_stripbytecount_p), pbErr);
6317}
6318
6319
6320int _TIFFFillStriles( TIFF *tif )
6321{
6322 return _TIFFFillStrilesInternal( tif, 1 );
6323}
6324
6325static int _TIFFFillStrilesInternal( TIFF *tif, int loadStripByteCount )
6326{
6327 register TIFFDirectory *td = &tif->tif_dir;
6328 int return_value = 1;
6329
6330 /* Do not do anything if TIFF_DEFERSTRILELOAD is not set */
6331 if( !(tif->tif_flags&TIFF_DEFERSTRILELOAD) || (tif->tif_flags&TIFF_CHOPPEDUPARRAYS) != 0 )
6332 return 1;
6333
6334 if( tif->tif_flags&TIFF_LAZYSTRILELOAD )
6335 {
6336 /* In case of lazy loading, reload completely the arrays */
6337 _TIFFfree(td->td_stripoffset_p);
6338 _TIFFfree(td->td_stripbytecount_p);
6339 td->td_stripoffset_p = NULL;
6340 td->td_stripbytecount_p = NULL;
6341 td->td_stripoffsetbyteallocsize = 0;
6342 tif->tif_flags &= ~TIFF_LAZYSTRILELOAD;
6343 }
6344
6345 /* If stripoffset array is already loaded, exit with success */
6346 if( td->td_stripoffset_p != NULL )
6347 return 1;
6348
6349 /* If tdir_count was cancelled, then we already got there, but in error */
6350 if( td->td_stripoffset_entry.tdir_count == 0 )
6351 return 0;
6352
6353 if (!TIFFFetchStripThing(tif,&(td->td_stripoffset_entry),
6354 td->td_nstrips,&td->td_stripoffset_p))
6355 {
6356 return_value = 0;
6357 }
6358
6359 if (loadStripByteCount &&
6360 !TIFFFetchStripThing(tif,&(td->td_stripbytecount_entry),
6361 td->td_nstrips,&td->td_stripbytecount_p))
6362 {
6363 return_value = 0;
6364 }
6365
6366 _TIFFmemset( &(td->td_stripoffset_entry), 0, sizeof(TIFFDirEntry));
6367 _TIFFmemset( &(td->td_stripbytecount_entry), 0, sizeof(TIFFDirEntry));
6368
6369#ifdef STRIPBYTECOUNTSORTED_UNUSED
6370 if (tif->tif_dir.td_nstrips > 1 && return_value == 1 ) {
6371 uint32 strip;
6372
6373 tif->tif_dir.td_stripbytecountsorted = 1;
6374 for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {
6375 if (tif->tif_dir.td_stripoffset_p[strip - 1] >
6376 tif->tif_dir.td_stripoffset_p[strip]) {
6377 tif->tif_dir.td_stripbytecountsorted = 0;
6378 break;
6379 }
6380 }
6381 }
6382#endif
6383
6384 return return_value;
6385}
6386
6387
6388/* vim: set ts=8 sts=8 sw=8 noet: */
6389/*
6390 * Local Variables:
6391 * mode: c
6392 * c-basic-offset: 8
6393 * fill-column: 78
6394 * End:
6395 */
O_RDONLY
#define O_RDONLY
Definition: acwin.h:108
dir
unsigned int dir
Definition: maze.c:112
uint16
unsigned short uint16
Definition: types.h:30
uint32
unsigned int uint32
Definition: types.h:32
uint8
unsigned char uint8
Definition: types.h:28
while
while(CdLookupNextInitialFileDirent(IrpContext, Fcb, FileContext))
datasize
static SIZE_T datasize
Definition: asm.c:30
NULL
#define NULL
Definition: types.h:112
TRUE
#define TRUE
Definition: types.h:120
FALSE
#define FALSE
Definition: types.h:117
int
unsigned int(__cdecl typeof(jpeg_read_scanlines))(struct jpeg_decompress_struct *
Definition: typeof.h:31
assert
#define assert(x)
Definition: debug.h:53
to_read
ULONG to_read
Definition: btrfs.c:4260
uint64
unsigned long long uint64
Definition: platform.h:18
int16
short int16
Definition: platform.h:11
int32
long int32
Definition: platform.h:12
int8
char int8
Definition: platform.h:10
int64
long long int64
Definition: platform.h:13
size_t
__kernel_size_t size_t
Definition: linux.h:237
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
s
GLdouble s
Definition: gl.h:2039
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
n
GLdouble n
Definition: glext.h:7729
buffer
GLuint buffer
Definition: glext.h:5915
size
GLsizeiptr size
Definition: glext.h:5919
offset
GLintptr offset
Definition: glext.h:5920
c
const GLubyte * c
Definition: glext.h:8905
b
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
val
GLuint GLfloat * val
Definition: glext.h:7180
result
GLuint64EXT * result
Definition: glext.h:11304
a
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
m
const GLfloat * m
Definition: glext.h:10848
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
O_RDWR
#define O_RDWR
Definition: fcntl.h:36
FLT_MAX
#define FLT_MAX
Definition: float.h:91
FLT_MIN
#define FLT_MIN
Definition: float.h:94
f
#define f
Definition: ke_i.h:83
b
#define b
Definition: ke_i.h:79
if
if(dx< 0)
Definition: linetemp.h:194
memcpy
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
expected
BOOL expected
Definition: store.c:2063
double
static const char mbstate_t *static wchar_t const char mbstate_t *static const wchar_t int *static double
Definition: string.c:91
dest
static char * dest
Definition: rtl.c:135
float
static float(__cdecl *square_half_float)(float x
err
#define err(...)
Definition: reactos_support_code.h:30
tagname
static char tagname[200]
Definition: rgenstat.c:63
atoi
_Check_return_ int __cdecl atoi(_In_z_ const char *_Str)
getenv
_Check_return_ char *__cdecl getenv(_In_z_ const char *_VarName)
memset
#define memset(x, y, z)
Definition: compat.h:39
TIFFDirEntry::toff_long8
uint64 toff_long8
Definition: tif_dir.h:59
TIFFDirEntry::tdir_ignore
uint8 tdir_ignore
Definition: tif_dir.h:61
TIFFDirEntry::tdir_count
uint64 tdir_count
Definition: tif_dir.h:55
TIFFDirEntry::tdir_offset
union TIFFDirEntry::@3650 tdir_offset
TIFFDirEntry::tdir_tag
uint16 tdir_tag
Definition: tif_dir.h:53
TIFFDirEntry::toff_long
uint32 toff_long
Definition: tif_dir.h:58
TIFFDirEntry::tdir_type
uint16 tdir_type
Definition: tif_dir.h:54
TIFFDirEntry::toff_short
uint16 toff_short
Definition: tif_dir.h:57
TIFFDirectory::td_stripbytecount_p
uint64 * td_stripbytecount_p
Definition: tif_dir.h:102
TIFFDirectory::td_samplesperpixel
uint16 td_samplesperpixel
Definition: tif_dir.h:82
TIFFDirectory::td_imagedepth
uint32 td_imagedepth
Definition: tif_dir.h:72
TIFFDirectory::td_bitspersample
uint16 td_bitspersample
Definition: tif_dir.h:75
TIFFDirectory::td_imagewidth
uint32 td_imagewidth
Definition: tif_dir.h:72
TIFFDirectory::td_maxsamplevalue
uint16 td_maxsamplevalue
Definition: tif_dir.h:84
TIFFDirectory::td_rowsperstrip
uint32 td_rowsperstrip
Definition: tif_dir.h:83
TIFFDirectory::td_tiledepth
uint32 td_tiledepth
Definition: tif_dir.h:73
TIFFDirectory::td_photometric
uint16 td_photometric
Definition: tif_dir.h:78
TIFFDirectory::td_stripoffsetbyteallocsize
uint32 td_stripoffsetbyteallocsize
Definition: tif_dir.h:103
TIFFDirectory::td_stripoffset_entry
TIFFDirEntry td_stripoffset_entry
Definition: tif_dir.h:107
TIFFDirectory::td_planarconfig
uint16 td_planarconfig
Definition: tif_dir.h:89
TIFFDirectory::td_tilelength
uint32 td_tilelength
Definition: tif_dir.h:73
TIFFDirectory::td_nstrips
uint32 td_nstrips
Definition: tif_dir.h:100
TIFFDirectory::td_sampleinfo
uint16 * td_sampleinfo
Definition: tif_dir.h:95
TIFFDirectory::td_stripsperimage
uint32 td_stripsperimage
Definition: tif_dir.h:99
TIFFDirectory::td_compression
uint16 td_compression
Definition: tif_dir.h:77
TIFFDirectory::td_tilewidth
uint32 td_tilewidth
Definition: tif_dir.h:73
TIFFDirectory::td_imagelength
uint32 td_imagelength
Definition: tif_dir.h:72
TIFFDirectory::td_extrasamples
uint16 td_extrasamples
Definition: tif_dir.h:94
TIFFDirectory::td_stripoffset_p
uint64 * td_stripoffset_p
Definition: tif_dir.h:101
TIFFDirectory::td_stripbytecount_entry
TIFFDirEntry td_stripbytecount_entry
Definition: tif_dir.h:108
TIFFDirectory::td_ycbcrsubsampling
uint16 td_ycbcrsubsampling[2]
Definition: tif_dir.h:112
_TIFFFieldArray
Definition: tif_dir.h:275
_TIFFField
Definition: tif_dir.h:282
_TIFFField::field_tag
uint32 field_tag
Definition: tif_dir.h:283
_TIFFField::field_type
TIFFDataType field_type
Definition: tif_dir.h:286
_TIFFField::field_passcount
unsigned char field_passcount
Definition: tif_dir.h:292
_TIFFField::field_name
char * field_name
Definition: tif_dir.h:293
_TIFFField::set_field_type
TIFFSetGetFieldType set_field_type
Definition: tif_dir.h:288
_TIFFField::field_bit
unsigned short field_bit
Definition: tif_dir.h:290
_TIFFField::field_readcount
short field_readcount
Definition: tif_dir.h:284
dirent
Definition: fatfs.h:198
tiff
Definition: tiffiop.h:115
tiff::tif_dirlist
uint64 * tif_dirlist
Definition: tiffiop.h:148
tiff::tif_dirnumber
uint16 tif_dirnumber
Definition: tiffiop.h:150
tiff::tif_scanlinesize
tmsize_t tif_scanlinesize
Definition: tiffiop.h:193
tiff::tif_fixuptags
TIFFBoolMethod tif_fixuptags
Definition: tiffiop.h:173
tiff::tif_nfields
size_t tif_nfields
Definition: tiffiop.h:217
tiff::tif_fields
TIFFField ** tif_fields
Definition: tiffiop.h:216
tiff::tif_clientdata
thandle_t tif_clientdata
Definition: tiffiop.h:207
tiff::tif_base
uint8 * tif_base
Definition: tiffiop.h:202
tiff::tif_name
char * tif_name
Definition: tiffiop.h:116
tiff::tif_curdir
uint16 tif_curdir
Definition: tiffiop.h:160
tiff::tif_flags
uint32 tif_flags
Definition: tiffiop.h:119
tiff::tif_dir
TIFFDirectory tif_dir
Definition: tiffiop.h:151
tiff::tif_size
tmsize_t tif_size
Definition: tiffiop.h:203
tiff::tif_nextdiroff
uint64 tif_nextdiroff
Definition: tiffiop.h:147
tiff::tif_cleanup
TIFFVoidMethod tif_cleanup
Definition: tiffiop.h:188
tiff::tif_curstrip
uint32 tif_curstrip
Definition: tiffiop.h:161
tiff::tif_row
uint32 tif_row
Definition: tiffiop.h:159
tiff::tif_curtile
uint32 tif_curtile
Definition: tiffiop.h:169
tiff::tif_diroff
uint64 tif_diroff
Definition: tiffiop.h:146
tiff::tif_tilesize
tmsize_t tif_tilesize
Definition: tiffiop.h:170
tiff::tif_col
uint32 tif_col
Definition: tiffiop.h:168
tiff::tif_mode
int tif_mode
Definition: tiffiop.h:118
tiff::tif_dirlistsize
uint16 tif_dirlistsize
Definition: tiffiop.h:149
_TIFFUInt64ToFloat
float _TIFFUInt64ToFloat(uint64 ui64)
Definition: tif_aux.c:366
_TIFFUInt64ToDouble
double _TIFFUInt64ToDouble(uint64 ui64)
Definition: tif_aux.c:382
_TIFFCheckRealloc
void * _TIFFCheckRealloc(TIFF *tif, void *buffer, tmsize_t nmemb, tmsize_t elem_size, const char *what)
Definition: tif_aux.c:97
_TIFFCheckMalloc
void * _TIFFCheckMalloc(TIFF *tif, tmsize_t nmemb, tmsize_t elem_size, const char *what)
Definition: tif_aux.c:121
TIFF_UINT64_FORMAT
#define TIFF_UINT64_FORMAT
Definition: tif_config.h:52
TIFFFreeDirectory
void TIFFFreeDirectory(TIFF *tif)
Definition: tif_dir.c:1268
TIFFDefaultDirectory
int TIFFDefaultDirectory(TIFF *tif)
Definition: tif_dir.c:1372
TIFFSetField
int TIFFSetField(TIFF *tif, uint32 tag,...)
Definition: tif_dir.c:807
_TIFFsetShortArray
void _TIFFsetShortArray(uint16 **wpp, uint16 *wp, uint32 n)
Definition: tif_dir.c:63
FIELD_STRIPOFFSETS
#define FIELD_STRIPOFFSETS
Definition: tif_dir.h:162
FIELD_IMAGEDIMENSIONS
#define FIELD_IMAGEDIMENSIONS
Definition: tif_dir.h:141
FIELD_COLORMAP
#define FIELD_COLORMAP
Definition: tif_dir.h:163
FIELD_IGNORE
#define FIELD_IGNORE
Definition: tif_dir.h:138
TIFFFieldSet
#define TIFFFieldSet(tif, field)
Definition: tif_dir.h:196
FIELD_MAXSAMPLEVALUE
#define FIELD_MAXSAMPLEVALUE
Definition: tif_dir.h:157
FIELD_TILEDIMENSIONS
#define FIELD_TILEDIMENSIONS
Definition: tif_dir.h:142
FIELD_ROWSPERSTRIP
#define FIELD_ROWSPERSTRIP
Definition: tif_dir.h:155
FIELD_STRIPBYTECOUNTS
#define FIELD_STRIPBYTECOUNTS
Definition: tif_dir.h:161
FIELD_BITSPERSAMPLE
#define FIELD_BITSPERSAMPLE
Definition: tif_dir.h:148
TIFF_SETGET_C16_UINT8
@ TIFF_SETGET_C16_UINT8
Definition: tif_dir.h:232
TIFF_SETGET_DOUBLE
@ TIFF_SETGET_DOUBLE
Definition: tif_dir.h:215
TIFF_SETGET_C32_SINT32
@ TIFF_SETGET_C32_SINT32
Definition: tif_dir.h:249
TIFF_SETGET_C16_FLOAT
@ TIFF_SETGET_C16_FLOAT
Definition: tif_dir.h:240
TIFF_SETGET_UNDEFINED
@ TIFF_SETGET_UNDEFINED
Definition: tif_dir.h:204
TIFF_SETGET_C32_ASCII
@ TIFF_SETGET_C32_ASCII
Definition: tif_dir.h:243
TIFF_SETGET_INT
@ TIFF_SETGET_INT
Definition: tif_dir.h:217
TIFF_SETGET_C32_UINT8
@ TIFF_SETGET_C32_UINT8
Definition: tif_dir.h:244
TIFF_SETGET_IFD8
@ TIFF_SETGET_IFD8
Definition: tif_dir.h:216
TIFF_SETGET_C32_UINT16
@ TIFF_SETGET_C32_UINT16
Definition: tif_dir.h:246
TIFF_SETGET_C16_DOUBLE
@ TIFF_SETGET_C16_DOUBLE
Definition: tif_dir.h:241
TIFF_SETGET_UINT64
@ TIFF_SETGET_UINT64
Definition: tif_dir.h:212
TIFF_SETGET_C0_UINT32
@ TIFF_SETGET_C0_UINT32
Definition: tif_dir.h:224
TIFF_SETGET_C16_UINT32
@ TIFF_SETGET_C16_UINT32
Definition: tif_dir.h:236
TIFF_SETGET_UINT16_PAIR
@ TIFF_SETGET_UINT16_PAIR
Definition: tif_dir.h:218
TIFF_SETGET_C32_SINT16
@ TIFF_SETGET_C32_SINT16
Definition: tif_dir.h:247
TIFF_SETGET_C16_UINT16
@ TIFF_SETGET_C16_UINT16
Definition: tif_dir.h:234
TIFF_SETGET_C0_FLOAT
@ TIFF_SETGET_C0_FLOAT
Definition: tif_dir.h:228
TIFF_SETGET_C16_UINT64
@ TIFF_SETGET_C16_UINT64
Definition: tif_dir.h:238
TIFF_SETGET_C32_UINT32
@ TIFF_SETGET_C32_UINT32
Definition: tif_dir.h:248
TIFF_SETGET_C32_SINT8
@ TIFF_SETGET_C32_SINT8
Definition: tif_dir.h:245
TIFF_SETGET_UINT16
@ TIFF_SETGET_UINT16
Definition: tif_dir.h:208
TIFF_SETGET_C0_UINT8
@ TIFF_SETGET_C0_UINT8
Definition: tif_dir.h:220
TIFF_SETGET_ASCII
@ TIFF_SETGET_ASCII
Definition: tif_dir.h:205
TIFF_SETGET_OTHER
@ TIFF_SETGET_OTHER
Definition: tif_dir.h:255
TIFF_SETGET_FLOAT
@ TIFF_SETGET_FLOAT
Definition: tif_dir.h:214
TIFF_SETGET_C32_IFD8
@ TIFF_SETGET_C32_IFD8
Definition: tif_dir.h:254
TIFF_SETGET_UINT32
@ TIFF_SETGET_UINT32
Definition: tif_dir.h:210
TIFF_SETGET_C32_SINT64
@ TIFF_SETGET_C32_SINT64
Definition: tif_dir.h:251
TIFF_SETGET_C16_ASCII
@ TIFF_SETGET_C16_ASCII
Definition: tif_dir.h:231
TIFF_SETGET_C32_DOUBLE
@ TIFF_SETGET_C32_DOUBLE
Definition: tif_dir.h:253
TIFF_SETGET_UINT8
@ TIFF_SETGET_UINT8
Definition: tif_dir.h:206
TIFF_SETGET_C0_UINT16
@ TIFF_SETGET_C0_UINT16
Definition: tif_dir.h:222
TIFF_SETGET_C32_UINT64
@ TIFF_SETGET_C32_UINT64
Definition: tif_dir.h:250
TIFF_SETGET_C16_IFD8
@ TIFF_SETGET_C16_IFD8
Definition: tif_dir.h:242
TIFF_SETGET_C32_FLOAT
@ TIFF_SETGET_C32_FLOAT
Definition: tif_dir.h:252
TIFFSetFieldBit
#define TIFFSetFieldBit(tif, field)
Definition: tif_dir.h:197
FIELD_SAMPLESPERPIXEL
#define FIELD_SAMPLESPERPIXEL
Definition: tif_dir.h:154
FIELD_PHOTOMETRIC
#define FIELD_PHOTOMETRIC
Definition: tif_dir.h:150
TIFFDataWidth
int TIFFDataWidth(TIFFDataType type)
Definition: tif_dirinfo.c:438
exifFieldArray
static const TIFFFieldArray exifFieldArray
Definition: tif_dirinfo.c:49
TIFFFieldWithTag
const TIFFField * TIFFFieldWithTag(TIFF *tif, uint32 tag)
Definition: tif_dirinfo.c:558
_TIFFCreateAnonField
TIFFField * _TIFFCreateAnonField(TIFF *tif, uint32 tag, TIFFDataType field_type)
Definition: tif_dirinfo.c:634
_TIFFSetupFields
void _TIFFSetupFields(TIFF *tif, const TIFFFieldArray *fieldarray)
Definition: tif_dirinfo.c:317
_TIFFMergeFields
int _TIFFMergeFields(TIFF *tif, const TIFFField info[], uint32 n)
Definition: tif_dirinfo.c:369
_TIFFCheckFieldIsValidForCodec
int _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
Definition: tif_dirinfo.c:958
_TIFFGetExifFields
const TIFFFieldArray * _TIFFGetExifFields(void)
Definition: tif_dirinfo.c:311
TIFFReadDirEntryCheckRangeByteSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong8(int64 value)
Definition: tif_dirread.c:3117
FAILED_FII
#define FAILED_FII
Definition: tif_dirread.c:41
TIFFReadDirEntryCheckedSrational
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSrational(TIFF *tif, TIFFDirEntry *direntry, double *value)
Definition: tif_dirread.c:2996
TIFF_INT64_MAX
#define TIFF_INT64_MAX
Definition: tif_dirread.c:46
MissingRequired
static void MissingRequired(TIFF *, const char *)
Definition: tif_dirread.c:4616
TIFFReadDirEntryCheckRangeLongLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongLong8(uint64 value)
Definition: tif_dirread.c:3294
TIFFReadDirEntryCheckRangeByteLong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong(uint32 value)
Definition: tif_dirread.c:3093
TIFFReadDirEntryLong8Array
static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8Array(TIFF *tif, TIFFDirEntry *direntry, uint64 **value)
Definition: tif_dirread.c:2130
INITIAL_THRESHOLD
#define INITIAL_THRESHOLD
Definition: tif_dirread.c:774
TIFFGetStrileOffsetWithErr
uint64 TIFFGetStrileOffsetWithErr(TIFF *tif, uint32 strile, int *pbErr)
Definition: tif_dirread.c:6296
TIFFReadDirEntryLongArray
static enum TIFFReadDirEntryErr TIFFReadDirEntryLongArray(TIFF *tif, TIFFDirEntry *direntry, uint32 **value)
Definition: tif_dirread.c:1633
TIFFReadDirEntryCheckRangeShortSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong8(int64 value)
Definition: tif_dirread.c:3221
TIFFReadDirEntryCheckedSshort
static void TIFFReadDirEntryCheckedSshort(TIFF *tif, TIFFDirEntry *direntry, int16 *value)
Definition: tif_dirread.c:2906
TIFFReadDirEntryData
static enum TIFFReadDirEntryErr TIFFReadDirEntryData(TIFF *tif, uint64 offset, tmsize_t size, void *dest)
Definition: tif_dirread.c:3386
TIFFReadDirEntryCheckRangeSbyteSlong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong(int32 value)
Definition: tif_dirread.c:3157
TIFFGetStrileOffset
uint64 TIFFGetStrileOffset(TIFF *tif, uint32 strile)
Definition: tif_dirread.c:6290
TIFFCheckDirOffset
static int TIFFCheckDirOffset(TIFF *tif, uint64 diroff)
Definition: tif_dirread.c:4632
TIFFReadDirEntryCheckRangeSshortSlong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong(int32 value)
Definition: tif_dirread.c:3245
MAX_THRESHOLD
#define MAX_THRESHOLD
Definition: tif_dirread.c:776
_TIFFFetchStrileValue
static int _TIFFFetchStrileValue(TIFF *tif, uint32 strile, TIFFDirEntry *dirent, uint64 **parray)
Definition: tif_dirread.c:6143
TryChopUpUncompressedBigTiff
static void TryChopUpUncompressedBigTiff(TIFF *)
Definition: tif_dirread.c:5898
TIFFReadDirectoryCheckOrder
static void TIFFReadDirectoryCheckOrder(TIFF *tif, TIFFDirEntry *dir, uint16 dircount)
Definition: tif_dirread.c:4324
TIFFReadDirEntryCheckRangeSshortSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong8(int64 value)
Definition: tif_dirread.c:3261
TIFFReadDirEntryCheckedSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSlong8(TIFF *tif, TIFFDirEntry *direntry, int64 *value)
Definition: tif_dirread.c:2946
TIFFReadDirEntryCheckRangeLong8Slong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Slong8(int64 value)
Definition: tif_dirread.c:3368
TIFFReadDirEntryCheckRangeByteSlong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong(int32 value)
Definition: tif_dirread.c:3101
TIFFReadDirEntrySlongArray
static enum TIFFReadDirEntryErr TIFFReadDirEntrySlongArray(TIFF *tif, TIFFDirEntry *direntry, int32 **value)
Definition: tif_dirread.c:1802
TIFFReadDirEntryCheckRangeShortLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong8(uint64 value)
Definition: tif_dirread.c:3213
TIFFReadDirEntryCheckRangeByteShort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteShort(uint16 value)
Definition: tif_dirread.c:3077
TIFFReadDirEntryCheckedShort
static void TIFFReadDirEntryCheckedShort(TIFF *tif, TIFFDirEntry *direntry, uint16 *value)
Definition: tif_dirread.c:2898
TIFFReadDirEntryCheckRangeLong8Sbyte
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Sbyte(int8 value)
Definition: tif_dirread.c:3341
ByteCountLooksBad
static int ByteCountLooksBad(TIFF *tif)
Definition: tif_dirread.c:3526
TIFFReadDirEntryDoubleArray
static enum TIFFReadDirEntryErr TIFFReadDirEntryDoubleArray(TIFF *tif, TIFFDirEntry *direntry, double **value)
Definition: tif_dirread.c:2530
TIFFReadDirEntryLong8ArrayWithLimit
static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8ArrayWithLimit(TIFF *tif, TIFFDirEntry *direntry, uint64 **value, uint64 maxcount)
Definition: tif_dirread.c:1963
TIFFReadUInt64
static uint64 TIFFReadUInt64(const uint8 *value)
Definition: tif_dirread.c:186
TIFFReadDirEntryCheckRangeLongSbyte
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSbyte(int8 value)
Definition: tif_dirread.c:3269
TIFFReadDirectoryFindFieldInfo
static void TIFFReadDirectoryFindFieldInfo(TIFF *tif, uint16 tagid, uint32 *fii)
Definition: tif_dirread.c:4358
TIFFCvtIEEEFloatToNative
void TIFFCvtIEEEFloatToNative(TIFF *, uint32, float *)
TIFFReadDirEntryLong
static enum TIFFReadDirEntryErr TIFFReadDirEntryLong(TIFF *tif, TIFFDirEntry *direntry, uint32 *value)
Definition: tif_dirread.c:378
TIFFReadDirEntryCheckRangeShortSbyte
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSbyte(int8 value)
Definition: tif_dirread.c:3181
TIFFReadDirEntrySshortArray
static enum TIFFReadDirEntryErr TIFFReadDirEntrySshortArray(TIFF *tif, TIFFDirEntry *direntry, int16 **value)
Definition: tif_dirread.c:1466
TIFFGetStrileByteCountWithErr
uint64 TIFFGetStrileByteCountWithErr(TIFF *tif, uint32 strile, int *pbErr)
Definition: tif_dirread.c:6311
TIFFReadDirEntryOutputErr
static void TIFFReadDirEntryOutputErr(TIFF *tif, enum TIFFReadDirEntryErr err, const char *module, const char *tagname, int recover)
Definition: tif_dirread.c:3410
TIFFReadDirEntryCheckRangeSshortLong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong(uint32 value)
Definition: tif_dirread.c:3237
TIFFReadDirEntryByte
static enum TIFFReadDirEntryErr TIFFReadDirEntryByte(TIFF *tif, TIFFDirEntry *direntry, uint8 *value)
Definition: tif_dirread.c:202
TIFFReadDirEntryCheckRangeSlongLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongLong8(uint64 value)
Definition: tif_dirread.c:3322
TIFFReadDirEntryCheckedLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedLong8(TIFF *tif, TIFFDirEntry *direntry, uint64 *value)
Definition: tif_dirread.c:2927
TIFFReadDirEntryFloat
static enum TIFFReadDirEntryErr TIFFReadDirEntryFloat(TIFF *tif, TIFFDirEntry *direntry, float *value)
Definition: tif_dirread.c:539
EstimateStripByteCounts
static int EstimateStripByteCounts(TIFF *tif, TIFFDirEntry *dir, uint16 dircount)
Definition: tif_dirread.c:4509
allocChoppedUpStripArrays
static void allocChoppedUpStripArrays(TIFF *tif, uint32 nstrips, uint64 stripbytes, uint32 rowsperstrip)
Definition: tif_dirread.c:5752
ChopUpSingleUncompressedStrip
static void ChopUpSingleUncompressedStrip(TIFF *)
Definition: tif_dirread.c:5828
TIFFReadDirEntryErr
TIFFReadDirEntryErr
Definition: tif_dirread.c:56
TIFFReadDirEntryErrPsdif
@ TIFFReadDirEntryErrPsdif
Definition: tif_dirread.c:62
TIFFReadDirEntryErrIo
@ TIFFReadDirEntryErrIo
Definition: tif_dirread.c:60
TIFFReadDirEntryErrRange
@ TIFFReadDirEntryErrRange
Definition: tif_dirread.c:61
TIFFReadDirEntryErrSizesan
@ TIFFReadDirEntryErrSizesan
Definition: tif_dirread.c:63
TIFFReadDirEntryErrAlloc
@ TIFFReadDirEntryErrAlloc
Definition: tif_dirread.c:64
TIFFReadDirEntryErrType
@ TIFFReadDirEntryErrType
Definition: tif_dirread.c:59
TIFFReadDirEntryErrCount
@ TIFFReadDirEntryErrCount
Definition: tif_dirread.c:58
TIFFReadDirEntryErrOk
@ TIFFReadDirEntryErrOk
Definition: tif_dirread.c:57
TIFFReadCustomDirectory
int TIFFReadCustomDirectory(TIFF *tif, toff_t diroff, const TIFFFieldArray *infoarray)
Definition: tif_dirread.c:4394
TIFFReadDirEntryArray
static enum TIFFReadDirEntryErr TIFFReadDirEntryArray(TIFF *tif, TIFFDirEntry *direntry, uint32 *count, uint32 desttypesize, void **value)
Definition: tif_dirread.c:928
TIFFReadDirEntryCheckRangeShortLong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong(uint32 value)
Definition: tif_dirread.c:3197
TIFFReadDirEntryCheckRangeShortSshort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSshort(int16 value)
Definition: tif_dirread.c:3189
TIFFReadDirEntryCheckRangeByteSshort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSshort(int16 value)
Definition: tif_dirread.c:3085
TIFFReadDirEntryCheckedLong
static void TIFFReadDirEntryCheckedLong(TIFF *tif, TIFFDirEntry *direntry, uint32 *value)
Definition: tif_dirread.c:2913
TIFFReadDirEntryCheckRangeSbyteLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong8(uint64 value)
Definition: tif_dirread.c:3165
_TIFFFillStriles
int _TIFFFillStriles(TIFF *tif)
Definition: tif_dirread.c:6320
TIFFReadDirEntryCheckRangeLongSlong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong(int32 value)
Definition: tif_dirread.c:3285
TIFFReadDirEntryIfd8
static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8(TIFF *tif, TIFFDirEntry *direntry, uint64 *value)
Definition: tif_dirread.c:749
TIFFReadDirEntryCheckedByte
static void TIFFReadDirEntryCheckedByte(TIFF *tif, TIFFDirEntry *direntry, uint8 *value)
Definition: tif_dirread.c:2886
TIFFReadDirEntryCheckRangeLong8Slong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Slong(int32 value)
Definition: tif_dirread.c:3359
TIFFReadDirEntryShort
static enum TIFFReadDirEntryErr TIFFReadDirEntryShort(TIFF *tif, TIFFDirEntry *direntry, uint16 *value)
Definition: tif_dirread.c:292
IO_CACHE_PAGE_SIZE
#define IO_CACHE_PAGE_SIZE
_TIFFPartialReadStripArray
static int _TIFFPartialReadStripArray(TIFF *tif, TIFFDirEntry *dirent, int strile, uint64 *panVals)
Definition: tif_dirread.c:6002
TIFFReadDirEntryCheckRangeLongSshort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSshort(int16 value)
Definition: tif_dirread.c:3277
TIFFReadDirEntryCheckRangeSshortLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong8(uint64 value)
Definition: tif_dirread.c:3253
TIFFReadDirEntryDouble
static enum TIFFReadDirEntryErr TIFFReadDirEntryDouble(TIFF *tif, TIFFDirEntry *direntry, double *value)
Definition: tif_dirread.c:652
TIFF_MIN
#define TIFF_MIN(a, b)
TIFFReadDirEntrySlong8Array
static enum TIFFReadDirEntryErr TIFFReadDirEntrySlong8Array(TIFF *tif, TIFFDirEntry *direntry, int64 **value)
Definition: tif_dirread.c:2135
TIFFReadDirEntryCheckedFloat
static void TIFFReadDirEntryCheckedFloat(TIFF *tif, TIFFDirEntry *direntry, float *value)
Definition: tif_dirread.c:3027
TIFFReadDirEntryShortArray
static enum TIFFReadDirEntryErr TIFFReadDirEntryShortArray(TIFF *tif, TIFFDirEntry *direntry, uint16 **value)
Definition: tif_dirread.c:1294
TIFFReadDirEntryCheckRangeByteLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong8(uint64 value)
Definition: tif_dirread.c:3109
TIFFGetStrileByteCount
uint64 TIFFGetStrileByteCount(TIFF *tif, uint32 strile)
Definition: tif_dirread.c:6305
CheckDirCount
static int CheckDirCount(TIFF *, TIFFDirEntry *, uint32)
Definition: tif_dirread.c:4679
THRESHOLD_MULTIPLIER
#define THRESHOLD_MULTIPLIER
Definition: tif_dirread.c:775
_TIFFUnsanitizedAddUInt64AndInt
static TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW uint64 _TIFFUnsanitizedAddUInt64AndInt(uint64 a, int b)
Definition: tif_dirread.c:5992
TIFF_MAX
#define TIFF_MAX(a, b)
TIFFFetchDirectory
static uint16 TIFFFetchDirectory(TIFF *tif, uint64 diroff, TIFFDirEntry **pdir, uint64 *nextdiroff)
Definition: tif_dirread.c:4706
TIFFReadDirEntryCheckRangeSshortShort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortShort(uint16 value)
Definition: tif_dirread.c:3229
TIFFReadDirEntryLong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8(TIFF *tif, TIFFDirEntry *direntry, uint64 *value)
Definition: tif_dirread.c:461
TIFFReadDirEntryCheckRangeSbyteSshort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSshort(int16 value)
Definition: tif_dirread.c:3141
TIFFReadDirEntryPersampleShort
static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleShort(TIFF *tif, TIFFDirEntry *direntry, uint16 *value)
Definition: tif_dirread.c:2828
TIFFReadDirEntryCheckRangeSbyteByte
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteByte(uint8 value)
Definition: tif_dirread.c:3125
TIFFReadDirEntryByteArray
static enum TIFFReadDirEntryErr TIFFReadDirEntryByteArray(TIFF *tif, TIFFDirEntry *direntry, uint8 **value)
Definition: tif_dirread.c:934
TIFFCvtIEEEDoubleToNative
void TIFFCvtIEEEDoubleToNative(TIFF *, uint32, double *)
TIFFFetchStripThing
static int TIFFFetchStripThing(TIFF *tif, TIFFDirEntry *dir, uint32 nstrips, uint64 **lpp)
Definition: tif_dirread.c:5649
TIFFReadDirEntryCheckRangeSlongLong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongLong(uint32 value)
Definition: tif_dirread.c:3312
TIFFReadDirEntryCheckRangeLongSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong8(int64 value)
Definition: tif_dirread.c:3303
_TIFFGetMaxColorChannels
static int _TIFFGetMaxColorChannels(uint16 photometric)
Definition: tif_dirread.c:3502
TIFFReadDirEntryFloatArray
static enum TIFFReadDirEntryErr TIFFReadDirEntryFloatArray(TIFF *tif, TIFFDirEntry *direntry, float **value)
Definition: tif_dirread.c:2285
TIFFReadDirEntryIfd8Array
static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8Array(TIFF *tif, TIFFDirEntry *direntry, uint64 **value)
Definition: tif_dirread.c:2767
TIFFReadDirEntryCheckedSbyte
static void TIFFReadDirEntryCheckedSbyte(TIFF *tif, TIFFDirEntry *direntry, int8 *value)
Definition: tif_dirread.c:2892
TIFFReadDirEntryCheckRangeShortSlong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong(int32 value)
Definition: tif_dirread.c:3205
TIFFReadDirEntryCheckRangeByteSbyte
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSbyte(int8 value)
Definition: tif_dirread.c:3069
TIFFReadDirectoryFindEntry
static TIFFDirEntry * TIFFReadDirectoryFindEntry(TIFF *tif, TIFFDirEntry *dir, uint16 dircount, uint16 tagid)
Definition: tif_dirread.c:4344
TIFFReadDirEntryDataAndRealloc
static enum TIFFReadDirEntryErr TIFFReadDirEntryDataAndRealloc(TIFF *tif, uint64 offset, tmsize_t size, void **pdest)
Definition: tif_dirread.c:778
TIFFFetchSubjectDistance
static int TIFFFetchSubjectDistance(TIFF *, TIFFDirEntry *)
Definition: tif_dirread.c:5698
TIFFReadDirEntryCheckRangeSbyteLong
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong(uint32 value)
Definition: tif_dirread.c:3149
TIFFReadDirEntrySbyteArray
static enum TIFFReadDirEntryErr TIFFReadDirEntrySbyteArray(TIFF *tif, TIFFDirEntry *direntry, int8 **value)
Definition: tif_dirread.c:1115
_TIFFGetStrileOffsetOrByteCountValue
static uint64 _TIFFGetStrileOffsetOrByteCountValue(TIFF *tif, uint32 strile, TIFFDirEntry *dirent, uint64 **parray, int *pbErr)
Definition: tif_dirread.c:6246
TIFFReadEXIFDirectory
int TIFFReadEXIFDirectory(TIFF *tif, toff_t diroff)
Definition: tif_dirread.c:4501
TIFFReadDirEntryCheckRangeSlong8Long8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlong8Long8(uint64 value)
Definition: tif_dirread.c:3377
TIFFReadDirEntryCheckedDouble
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedDouble(TIFF *tif, TIFFDirEntry *direntry, double *value)
Definition: tif_dirread.c:3043
_TIFFFillStrilesInternal
static int _TIFFFillStrilesInternal(TIFF *tif, int loadStripByteCount)
Definition: tif_dirread.c:6325
TIFFReadDirectory
int TIFFReadDirectory(TIFF *tif)
Definition: tif_dirread.c:3574
TIFFReadDirEntryCheckRangeSlongSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongSlong8(int64 value)
Definition: tif_dirread.c:3332
TIFFReadDirEntryCheckedSlong
static void TIFFReadDirEntryCheckedSlong(TIFF *tif, TIFFDirEntry *direntry, int32 *value)
Definition: tif_dirread.c:2920
TIFFReadDirEntryCheckRangeLong8Sshort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Sshort(int16 value)
Definition: tif_dirread.c:3350
TIFFReadDirEntryCheckedRational
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedRational(TIFF *tif, TIFFDirEntry *direntry, double *value)
Definition: tif_dirread.c:2965
UInt64Aligned_t
union _UInt64Aligned_t UInt64Aligned_t
TIFFReadDirEntryCheckRangeSbyteShort
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteShort(uint16 value)
Definition: tif_dirread.c:3133
TIFFReadDirEntryCheckRangeSbyteSlong8
static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong8(int64 value)
Definition: tif_dirread.c:3173
TIFFReadDirEntryArrayWithLimit
static enum TIFFReadDirEntryErr TIFFReadDirEntryArrayWithLimit(TIFF *tif, TIFFDirEntry *direntry, uint32 *count, uint32 desttypesize, void **value, uint64 maxcount)
Definition: tif_dirread.c:833
TIFFFetchNormalTag
static int TIFFFetchNormalTag(TIFF *, TIFFDirEntry *, int recover)
Definition: tif_dirread.c:4964
TIFFErrorExt
void TIFFErrorExt(thandle_t fd, const char *module, const char *fmt,...)
Definition: tif_error.c:65
TIFFStripSize
tmsize_t TIFFStripSize(TIFF *tif)
Definition: tif_strip.c:202
TIFFScanlineSize
tmsize_t TIFFScanlineSize(TIFF *tif)
Definition: tif_strip.c:314
TIFFScanlineSize64
uint64 TIFFScanlineSize64(TIFF *tif)
Definition: tif_strip.c:257
TIFFVStripSize64
uint64 TIFFVStripSize64(TIFF *tif, uint32 nrows)
Definition: tif_strip.c:76
TIFFStripSize64
uint64 TIFFStripSize64(TIFF *tif)
Definition: tif_strip.c:193
TIFFNumberOfStrips
uint32 TIFFNumberOfStrips(TIFF *tif)
Definition: tif_strip.c:59
TIFFSwabArrayOfShort
void TIFFSwabArrayOfShort(register uint16 *wp, tmsize_t n)
Definition: tif_swab.c:71
TIFFSwabLong
void TIFFSwabLong(uint32 *lp)
Definition: tif_swab.c:45
TIFFSwabShort
void TIFFSwabShort(uint16 *wp)
Definition: tif_swab.c:34
TIFFSwabArrayOfLong8
void TIFFSwabArrayOfLong8(register uint64 *lp, tmsize_t n)
Definition: tif_swab.c:120
TIFFSwabLong8
void TIFFSwabLong8(uint64 *lp)
Definition: tif_swab.c:57
TIFFSwabArrayOfLong
void TIFFSwabArrayOfLong(register uint32 *lp, tmsize_t n)
Definition: tif_swab.c:103
TIFFTileSize
tmsize_t TIFFTileSize(TIFF *tif)
Definition: tif_tile.c:257
TIFFVTileSize64
uint64 TIFFVTileSize64(TIFF *tif, uint32 nrows)
Definition: tif_tile.c:192
TIFFNumberOfTiles
uint32 TIFFNumberOfTiles(TIFF *tif)
Definition: tif_tile.c:113
TIFFTileSize64
uint64 TIFFTileSize64(TIFF *tif)
Definition: tif_tile.c:252
_TIFFfree
void _TIFFfree(void *p)
Definition: tif_unix.c:326
_TIFFcalloc
void * _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
Definition: tif_unix.c:317
_TIFFmemset
void _TIFFmemset(void *p, int v, tmsize_t c)
Definition: tif_unix.c:338
_TIFFmalloc
void * _TIFFmalloc(tmsize_t s)
Definition: tif_unix.c:309
_TIFFmemcpy
void _TIFFmemcpy(void *d, const void *s, tmsize_t c)
Definition: tif_unix.c:344
_TIFFrealloc
void * _TIFFrealloc(void *p, tmsize_t s)
Definition: tif_unix.c:332
TIFFWarningExt
void TIFFWarningExt(thandle_t fd, const char *module, const char *fmt,...)
Definition: tif_warning.c:65
TIFFSetupStrips
int TIFFSetupStrips(TIFF *tif)
Definition: tif_write.c:523
COMPRESSION_NONE
#define COMPRESSION_NONE
Definition: tiff.h:158
TIFFTAG_BITSPERSAMPLE
#define TIFFTAG_BITSPERSAMPLE
Definition: tiff.h:156
PLANARCONFIG_SEPARATE
#define PLANARCONFIG_SEPARATE
Definition: tiff.h:240
PHOTOMETRIC_CFA
#define PHOTOMETRIC_CFA
Definition: tiff.h:205
OFILETYPE_REDUCEDIMAGE
#define OFILETYPE_REDUCEDIMAGE
Definition: tiff.h:152
OFILETYPE_PAGE
#define OFILETYPE_PAGE
Definition: tiff.h:153
COMPRESSION_OJPEG
#define COMPRESSION_OJPEG
Definition: tiff.h:165
PHOTOMETRIC_MASK
#define PHOTOMETRIC_MASK
Definition: tiff.h:199
TIFFTAG_SAMPLESPERPIXEL
#define TIFFTAG_SAMPLESPERPIXEL
Definition: tiff.h:231
PHOTOMETRIC_LOGL
#define PHOTOMETRIC_LOGL
Definition: tiff.h:206
TIFFTAG_DATATYPE
#define TIFFTAG_DATATYPE
Definition: tiff.h:377
PHOTOMETRIC_ITULAB
#define PHOTOMETRIC_ITULAB
Definition: tiff.h:204
TIFFTAG_COLORMAP
#define TIFFTAG_COLORMAP
Definition: tiff.h:283
PHOTOMETRIC_CIELAB
#define PHOTOMETRIC_CIELAB
Definition: tiff.h:202
TIFFDataType
TIFFDataType
Definition: tiff.h:123
TIFF_SSHORT
@ TIFF_SSHORT
Definition: tiff.h:132
TIFF_SLONG
@ TIFF_SLONG
Definition: tiff.h:133
TIFF_BYTE
@ TIFF_BYTE
Definition: tiff.h:125
TIFF_SBYTE
@ TIFF_SBYTE
Definition: tiff.h:130
TIFF_IFD
@ TIFF_IFD
Definition: tiff.h:137
TIFF_SHORT
@ TIFF_SHORT
Definition: tiff.h:127
TIFF_UNDEFINED
@ TIFF_UNDEFINED
Definition: tiff.h:131
TIFF_LONG
@ TIFF_LONG
Definition: tiff.h:128
TIFF_SLONG8
@ TIFF_SLONG8
Definition: tiff.h:139
TIFF_LONG8
@ TIFF_LONG8
Definition: tiff.h:138
TIFF_ASCII
@ TIFF_ASCII
Definition: tiff.h:126
TIFF_FLOAT
@ TIFF_FLOAT
Definition: tiff.h:135
TIFF_DOUBLE
@ TIFF_DOUBLE
Definition: tiff.h:136
TIFF_IFD8
@ TIFF_IFD8
Definition: tiff.h:140
TIFF_SRATIONAL
@ TIFF_SRATIONAL
Definition: tiff.h:134
TIFF_RATIONAL
@ TIFF_RATIONAL
Definition: tiff.h:129
TIFFTAG_IMAGEDEPTH
#define TIFFTAG_IMAGEDEPTH
Definition: tiff.h:378
TIFFTAG_PHOTOMETRIC
#define TIFFTAG_PHOTOMETRIC
Definition: tiff.h:194
EXIFTAG_SUBJECTDISTANCE
#define EXIFTAG_SUBJECTDISTANCE
Definition: tiff.h:599
TIFFTAG_TILELENGTH
#define TIFFTAG_TILELENGTH
Definition: tiff.h:286
TIFFTAG_OSUBFILETYPE
#define TIFFTAG_OSUBFILETYPE
Definition: tiff.h:150
TIFFTAG_MAXSAMPLEVALUE
#define TIFFTAG_MAXSAMPLEVALUE
Definition: tiff.h:235
TIFFTAG_TILEDEPTH
#define TIFFTAG_TILEDEPTH
Definition: tiff.h:379
PHOTOMETRIC_PALETTE
#define PHOTOMETRIC_PALETTE
Definition: tiff.h:198
TIFFTAG_EXTRASAMPLES
#define TIFFTAG_EXTRASAMPLES
Definition: tiff.h:303
TIFFTAG_IMAGEWIDTH
#define TIFFTAG_IMAGEWIDTH
Definition: tiff.h:154
PHOTOMETRIC_SEPARATED
#define PHOTOMETRIC_SEPARATED
Definition: tiff.h:200
FILETYPE_REDUCEDIMAGE
#define FILETYPE_REDUCEDIMAGE
Definition: tiff.h:147
PHOTOMETRIC_LOGLUV
#define PHOTOMETRIC_LOGLUV
Definition: tiff.h:207
TIFFTAG_MINSAMPLEVALUE
#define TIFFTAG_MINSAMPLEVALUE
Definition: tiff.h:234
FILETYPE_PAGE
#define FILETYPE_PAGE
Definition: tiff.h:148
PHOTOMETRIC_ICCLAB
#define PHOTOMETRIC_ICCLAB
Definition: tiff.h:203
PHOTOMETRIC_YCBCR
#define PHOTOMETRIC_YCBCR
Definition: tiff.h:201
TIFFTAG_TRANSFERFUNCTION
#define TIFFTAG_TRANSFERFUNCTION
Definition: tiff.h:272
TIFFTAG_TILEBYTECOUNTS
#define TIFFTAG_TILEBYTECOUNTS
Definition: tiff.h:288
PHOTOMETRIC_MINISWHITE
#define PHOTOMETRIC_MINISWHITE
Definition: tiff.h:195
TIFFTAG_STRIPBYTECOUNTS
#define TIFFTAG_STRIPBYTECOUNTS
Definition: tiff.h:233
TIFFTAG_SMINSAMPLEVALUE
#define TIFFTAG_SMINSAMPLEVALUE
Definition: tiff.h:314
TIFFTAG_TILEOFFSETS
#define TIFFTAG_TILEOFFSETS
Definition: tiff.h:287
TIFFTAG_ROWSPERSTRIP
#define TIFFTAG_ROWSPERSTRIP
Definition: tiff.h:232
TIFFTAG_SMAXSAMPLEVALUE
#define TIFFTAG_SMAXSAMPLEVALUE
Definition: tiff.h:315
TIFFTAG_SAMPLEFORMAT
#define TIFFTAG_SAMPLEFORMAT
Definition: tiff.h:307
TIFFTAG_TILEWIDTH
#define TIFFTAG_TILEWIDTH
Definition: tiff.h:285
TIFFTAG_IMAGELENGTH
#define TIFFTAG_IMAGELENGTH
Definition: tiff.h:155
TIFFTAG_COMPRESSION
#define TIFFTAG_COMPRESSION
Definition: tiff.h:157
PHOTOMETRIC_MINISBLACK
#define PHOTOMETRIC_MINISBLACK
Definition: tiff.h:196
PHOTOMETRIC_RGB
#define PHOTOMETRIC_RGB
Definition: tiff.h:197
TIFFTAG_PLANARCONFIG
#define TIFFTAG_PLANARCONFIG
Definition: tiff.h:238
TIFFTAG_STRIPOFFSETS
#define TIFFTAG_STRIPOFFSETS
Definition: tiff.h:221
TIFFTAG_SUBFILETYPE
#define TIFFTAG_SUBFILETYPE
Definition: tiff.h:146
PLANARCONFIG_CONTIG
#define PLANARCONFIG_CONTIG
Definition: tiff.h:239
toff_t
uint64 toff_t
Definition: tiffio.h:66
tmsize_t
TIFF_SSIZE_T tmsize_t
Definition: tiffio.h:65
TIFF_SPP
#define TIFF_SPP
Definition: tiffio.h:309
TIFF_VARIABLE
#define TIFF_VARIABLE
Definition: tiffio.h:308
TIFF_ANY
#define TIFF_ANY
Definition: tiffio.h:307
TIFF_VARIABLE2
#define TIFF_VARIABLE2
Definition: tiffio.h:310
TIFFReadFile
#define TIFFReadFile(tif, buf, size)
Definition: tiffiop.h:233
TIFF_CHOPPEDUPARRAYS
#define TIFF_CHOPPEDUPARRAYS
Definition: tiffiop.h:145
isTiled
#define isTiled(tif)
Definition: tiffiop.h:229
TIFF_LAZYSTRILELOAD
#define TIFF_LAZYSTRILELOAD
Definition: tiffiop.h:144
isUpSampled
#define isUpSampled(tif)
Definition: tiffiop.h:232
TIFF_UINT64_MAX
#define TIFF_UINT64_MAX
Definition: tiffiop.h:91
TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW
#define TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW
Definition: tiffiop.h:339
ReadOK
#define ReadOK(tif, buf, size)
Definition: tiffiop.h:252
STRIP_SIZE_DEFAULT
#define STRIP_SIZE_DEFAULT
Definition: tiffiop.h:69
TIFF_PERSAMPLE
#define TIFF_PERSAMPLE
Definition: tiffiop.h:141
SeekOK
#define SeekOK(tif, off)
Definition: tiffiop.h:256
TIFF_STRIPCHOP
#define TIFF_STRIPCHOP
Definition: tiffiop.h:134
isMapped
#define isMapped(tif)
Definition: tiffiop.h:230
TIFF_DEFERSTRILELOAD
#define TIFF_DEFERSTRILELOAD
Definition: tiffiop.h:143
TIFFGetFileSize
#define TIFFGetFileSize(tif)
Definition: tiffiop.h:241
TIFF_BIGTIFF
#define TIFF_BIGTIFF
Definition: tiffiop.h:138
TIFF_UINT32_MAX
#define TIFF_UINT32_MAX
Definition: tiffiop.h:86
TIFF_SWAB
#define TIFF_SWAB
Definition: tiffiop.h:126
TIFFhowmany_32
#define TIFFhowmany_32(x, y)
Definition: tiffiop.h:264
TIFF_ISTILED
#define TIFF_ISTILED
Definition: tiffiop.h:129
_UInt64Aligned_t
Definition: tif_dirread.c:175
_UInt64Aligned_t::d
double d
Definition: tif_dirread.c:176
_UInt64Aligned_t::i
uint32 i[2]
Definition: tif_dirread.c:178
_UInt64Aligned_t::l
uint64 l
Definition: tif_dirread.c:177
value
Definition: pdh_main.c:96
sizeof
ActualNumberDriverObjects * sizeof(PDRIVER_OBJECT)) PDRIVER_OBJECT *DriverObjectList