-/* $Id: tif_dirread.c,v 1.92.2.9 2010-06-14 00:21:46 fwarmerdam Exp $ */
+/* $Id: tif_dirread.c,v 1.178 2012-08-19 16:56:34 bfriesen Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
- * Permission to use, copy, modify, distribute, and sell this software and
+ * Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
*
* Directory Read Support Routines.
*/
+
+/* Suggested pending improvements:
+ * - add a field 'ignore' to the TIFFDirEntry structure, to flag status,
+ * eliminating current use of the IGNORE value, and therefore eliminating
+ * current irrational behaviour on tags with tag id code 0
+ * - add a field 'field_info' to the TIFFDirEntry structure, and set that with
+ * the pointer to the appropriate TIFFField structure early on in
+ * TIFFReadDirectory, so as to eliminate current possibly repetitive lookup.
+ */
+
#include "tiffiop.h"
-#define IGNORE 0 /* tag placeholder used below */
+#define IGNORE 0 /* tag placeholder used below */
+#define FAILED_FII ((uint32) -1)
#ifdef HAVE_IEEEFP
-# define TIFFCvtIEEEFloatToNative(tif, n, fp)
-# define TIFFCvtIEEEDoubleToNative(tif, n, dp)
+# define TIFFCvtIEEEFloatToNative(tif, n, fp)
+# define TIFFCvtIEEEDoubleToNative(tif, n, dp)
#else
-extern void TIFFCvtIEEEFloatToNative(TIFF*, uint32, float*);
-extern void TIFFCvtIEEEDoubleToNative(TIFF*, uint32, double*);
+extern void TIFFCvtIEEEFloatToNative(TIFF*, uint32, float*);
+extern void TIFFCvtIEEEDoubleToNative(TIFF*, uint32, double*);
+#endif
+
+enum TIFFReadDirEntryErr {
+ TIFFReadDirEntryErrOk = 0,
+ TIFFReadDirEntryErrCount = 1,
+ TIFFReadDirEntryErrType = 2,
+ TIFFReadDirEntryErrIo = 3,
+ TIFFReadDirEntryErrRange = 4,
+ TIFFReadDirEntryErrPsdif = 5,
+ TIFFReadDirEntryErrSizesan = 6,
+ TIFFReadDirEntryErrAlloc = 7,
+};
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryFloat(TIFF* tif, TIFFDirEntry* direntry, float* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryDouble(TIFF* tif, TIFFDirEntry* direntry, double* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8(TIFF* tif, TIFFDirEntry* direntry, uint64* value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryArray(TIFF* tif, TIFFDirEntry* direntry, uint32* count, uint32 desttypesize, void** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryByteArray(TIFF* tif, TIFFDirEntry* direntry, uint8** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySbyteArray(TIFF* tif, TIFFDirEntry* direntry, int8** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryShortArray(TIFF* tif, TIFFDirEntry* direntry, uint16** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySshortArray(TIFF* tif, TIFFDirEntry* direntry, int16** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLongArray(TIFF* tif, TIFFDirEntry* direntry, uint32** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySlongArray(TIFF* tif, TIFFDirEntry* direntry, int32** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySlong8Array(TIFF* tif, TIFFDirEntry* direntry, int64** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryFloatArray(TIFF* tif, TIFFDirEntry* direntry, float** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryDoubleArray(TIFF* tif, TIFFDirEntry* direntry, double** value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value);
+#if 0
+static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleDouble(TIFF* tif, TIFFDirEntry* direntry, double* value);
#endif
-static TIFFDirEntry* TIFFReadDirectoryFind(TIFFDirEntry* dir,
- uint16 dircount, uint16 tagid);
-static int EstimateStripByteCounts(TIFF*, TIFFDirEntry*, uint16);
-static void MissingRequired(TIFF*, const char*);
-static int TIFFCheckDirOffset(TIFF*, toff_t);
-static int CheckDirCount(TIFF*, TIFFDirEntry*, uint32);
-static uint16 TIFFFetchDirectory(TIFF*, toff_t, TIFFDirEntry**, toff_t *);
-static tsize_t TIFFFetchData(TIFF*, TIFFDirEntry*, char*);
-static tsize_t TIFFFetchString(TIFF*, TIFFDirEntry*, char*);
-static float TIFFFetchRational(TIFF*, TIFFDirEntry*);
-static int TIFFFetchNormalTag(TIFF*, TIFFDirEntry*);
-static int TIFFFetchPerSampleShorts(TIFF*, TIFFDirEntry*, uint16*);
-static int TIFFFetchPerSampleLongs(TIFF*, TIFFDirEntry*, uint32*);
-static int TIFFFetchPerSampleAnys(TIFF*, TIFFDirEntry*, double*);
-static int TIFFFetchShortArray(TIFF*, TIFFDirEntry*, uint16*);
-static int TIFFFetchStripThing(TIFF*, TIFFDirEntry*, long, uint32**);
-static int TIFFFetchRefBlackWhite(TIFF*, TIFFDirEntry*);
-static int TIFFFetchSubjectDistance(TIFF*, TIFFDirEntry*);
-static float TIFFFetchFloat(TIFF*, TIFFDirEntry*);
-static int TIFFFetchFloatArray(TIFF*, TIFFDirEntry*, float*);
-static int TIFFFetchDoubleArray(TIFF*, TIFFDirEntry*, double*);
-static int TIFFFetchAnyArray(TIFF*, TIFFDirEntry*, double*);
-static int TIFFFetchShortPair(TIFF*, TIFFDirEntry*);
-static void ChopUpSingleUncompressedStrip(TIFF*);
+static void TIFFReadDirEntryCheckedByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value);
+static void TIFFReadDirEntryCheckedSbyte(TIFF* tif, TIFFDirEntry* direntry, int8* value);
+static void TIFFReadDirEntryCheckedShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value);
+static void TIFFReadDirEntryCheckedSshort(TIFF* tif, TIFFDirEntry* direntry, int16* value);
+static void TIFFReadDirEntryCheckedLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value);
+static void TIFFReadDirEntryCheckedSlong(TIFF* tif, TIFFDirEntry* direntry, int32* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSlong8(TIFF* tif, TIFFDirEntry* direntry, int64* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedRational(TIFF* tif, TIFFDirEntry* direntry, double* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSrational(TIFF* tif, TIFFDirEntry* direntry, double* value);
+static void TIFFReadDirEntryCheckedFloat(TIFF* tif, TIFFDirEntry* direntry, float* value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedDouble(TIFF* tif, TIFFDirEntry* direntry, double* value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSbyte(int8 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteShort(uint16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSshort(int16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong(uint32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong(int32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong8(uint64 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteByte(uint8 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteShort(uint16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSshort(int16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong(uint32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong(int32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong8(uint64 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSbyte(int8 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSshort(int16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong(uint32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong(int32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong8(uint64 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortShort(uint16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong(uint32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong(int32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong8(uint64 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSbyte(int8 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSshort(int16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong(int32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongLong8(uint64 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongLong(uint32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongLong8(uint64 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlongSlong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Sbyte(int8 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Sshort(int16 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Slong(int32 value);
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLong8Slong8(int64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSlong8Long8(uint64 value);
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryData(TIFF* tif, uint64 offset, tmsize_t size, void* dest);
+static void TIFFReadDirEntryOutputErr(TIFF* tif, enum TIFFReadDirEntryErr err, const char* module, const char* tagname, int recover);
+
+static void TIFFReadDirectoryCheckOrder(TIFF* tif, TIFFDirEntry* dir, uint16 dircount);
+static TIFFDirEntry* TIFFReadDirectoryFindEntry(TIFF* tif, TIFFDirEntry* dir, uint16 dircount, uint16 tagid);
+static void TIFFReadDirectoryFindFieldInfo(TIFF* tif, uint16 tagid, uint32* fii);
+
+static int EstimateStripByteCounts(TIFF* tif, TIFFDirEntry* dir, uint16 dircount);
+static void MissingRequired(TIFF*, const char*);
+static int TIFFCheckDirOffset(TIFF* tif, uint64 diroff);
+static int CheckDirCount(TIFF*, TIFFDirEntry*, uint32);
+static uint16 TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir, uint64* nextdiroff);
+static int TIFFFetchNormalTag(TIFF*, TIFFDirEntry*, int recover);
+static int TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32 nstrips, uint64** lpp);
+static int TIFFFetchSubjectDistance(TIFF*, TIFFDirEntry*);
+static void ChopUpSingleUncompressedStrip(TIFF*);
+static uint64 TIFFReadUInt64(const uint8 *value);
+
+typedef union _UInt64Aligned_t
+{
+ double d;
+ uint64 l;
+ uint32 i[2];
+ uint16 s[4];
+ uint8 c[8];
+} UInt64Aligned_t;
/*
- * Read the next TIFF directory from a file and convert it to the internal
- * format. We read directories sequentially.
- */
-int
-TIFFReadDirectory(TIFF* tif)
+ Unaligned safe copy of a uint64 value from an octet array.
+*/
+static uint64 TIFFReadUInt64(const uint8 *value)
{
- static const char module[] = "TIFFReadDirectory";
+ UInt64Aligned_t result;
- int n;
- TIFFDirectory* td;
- TIFFDirEntry *dp, *dir = NULL;
- uint16 iv;
- uint32 v;
- const TIFFFieldInfo* fip;
- size_t fix;
- uint16 dircount;
- int diroutoforderwarning = 0, compressionknown = 0;
- int haveunknowntags = 0;
+ result.c[0]=value[0];
+ result.c[1]=value[1];
+ result.c[2]=value[2];
+ result.c[3]=value[3];
+ result.c[4]=value[4];
+ result.c[5]=value[5];
+ result.c[6]=value[6];
+ result.c[7]=value[7];
- tif->tif_diroff = tif->tif_nextdiroff;
- /*
- * Check whether we have the last offset or bad offset (IFD looping).
- */
- if (!TIFFCheckDirOffset(tif, tif->tif_nextdiroff))
- return 0;
- /*
- * Cleanup any previous compression state.
- */
- (*tif->tif_cleanup)(tif);
+ return result.l;
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ TIFFReadDirEntryCheckedByte(tif,direntry,value);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SBYTE:
+ {
+ int8 m;
+ TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeByteSbyte(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SHORT:
+ {
+ uint16 m;
+ TIFFReadDirEntryCheckedShort(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeByteShort(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SSHORT:
+ {
+ int16 m;
+ TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeByteSshort(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG:
+ {
+ uint32 m;
+ TIFFReadDirEntryCheckedLong(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeByteLong(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG:
+ {
+ int32 m;
+ TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeByteSlong(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ {
+ uint64 m;
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeByteLong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG8:
+ {
+ int64 m;
+ err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeByteSlong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint8)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8 m;
+ TIFFReadDirEntryCheckedByte(tif,direntry,&m);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SBYTE:
+ {
+ int8 m;
+ TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeShortSbyte(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SHORT:
+ TIFFReadDirEntryCheckedShort(tif,direntry,value);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SSHORT:
+ {
+ int16 m;
+ TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeShortSshort(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG:
+ {
+ uint32 m;
+ TIFFReadDirEntryCheckedLong(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeShortLong(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG:
+ {
+ int32 m;
+ TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeShortSlong(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ {
+ uint64 m;
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeShortLong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG8:
+ {
+ int64 m;
+ err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeShortSlong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint16)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8 m;
+ TIFFReadDirEntryCheckedByte(tif,direntry,&m);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SBYTE:
+ {
+ int8 m;
+ TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeLongSbyte(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SHORT:
+ {
+ uint16 m;
+ TIFFReadDirEntryCheckedShort(tif,direntry,&m);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SSHORT:
+ {
+ int16 m;
+ TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeLongSshort(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG:
+ TIFFReadDirEntryCheckedLong(tif,direntry,value);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SLONG:
+ {
+ int32 m;
+ TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeLongSlong(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ {
+ uint64 m;
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeLongLong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG8:
+ {
+ int64 m;
+ err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeLongSlong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint32)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8 m;
+ TIFFReadDirEntryCheckedByte(tif,direntry,&m);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SBYTE:
+ {
+ int8 m;
+ TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeLong8Sbyte(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SHORT:
+ {
+ uint16 m;
+ TIFFReadDirEntryCheckedShort(tif,direntry,&m);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SSHORT:
+ {
+ int16 m;
+ TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeLong8Sshort(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG:
+ {
+ uint32 m;
+ TIFFReadDirEntryCheckedLong(tif,direntry,&m);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG:
+ {
+ int32 m;
+ TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
+ err=TIFFReadDirEntryCheckRangeLong8Slong(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,value);
+ return(err);
+ case TIFF_SLONG8:
+ {
+ int64 m;
+ err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ err=TIFFReadDirEntryCheckRangeLong8Slong8(m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryFloat(TIFF* tif, TIFFDirEntry* direntry, float* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8 m;
+ TIFFReadDirEntryCheckedByte(tif,direntry,&m);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SBYTE:
+ {
+ int8 m;
+ TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SHORT:
+ {
+ uint16 m;
+ TIFFReadDirEntryCheckedShort(tif,direntry,&m);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SSHORT:
+ {
+ int16 m;
+ TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG:
+ {
+ uint32 m;
+ TIFFReadDirEntryCheckedLong(tif,direntry,&m);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG:
+ {
+ int32 m;
+ TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ {
+ uint64 m;
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+#if defined(__WIN32__) && (_MSC_VER < 1500)
+ /*
+ * XXX: MSVC 6.0 does not support conversion
+ * of 64-bit integers into floating point
+ * values.
+ */
+ *value = _TIFFUInt64ToFloat(m);
+#else
+ *value=(float)m;
+#endif
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG8:
+ {
+ int64 m;
+ err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_RATIONAL:
+ {
+ double m;
+ err=TIFFReadDirEntryCheckedRational(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SRATIONAL:
+ {
+ double m;
+ err=TIFFReadDirEntryCheckedSrational(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_FLOAT:
+ TIFFReadDirEntryCheckedFloat(tif,direntry,value);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_DOUBLE:
+ {
+ double m;
+ err=TIFFReadDirEntryCheckedDouble(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(float)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryDouble(TIFF* tif, TIFFDirEntry* direntry, double* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8 m;
+ TIFFReadDirEntryCheckedByte(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SBYTE:
+ {
+ int8 m;
+ TIFFReadDirEntryCheckedSbyte(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SHORT:
+ {
+ uint16 m;
+ TIFFReadDirEntryCheckedShort(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SSHORT:
+ {
+ int16 m;
+ TIFFReadDirEntryCheckedSshort(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG:
+ {
+ uint32 m;
+ TIFFReadDirEntryCheckedLong(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG:
+ {
+ int32 m;
+ TIFFReadDirEntryCheckedSlong(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ {
+ uint64 m;
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+#if defined(__WIN32__) && (_MSC_VER < 1500)
+ /*
+ * XXX: MSVC 6.0 does not support conversion
+ * of 64-bit integers into floating point
+ * values.
+ */
+ *value = _TIFFUInt64ToDouble(m);
+#else
+ *value = (double)m;
+#endif
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG8:
+ {
+ int64 m;
+ err=TIFFReadDirEntryCheckedSlong8(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_RATIONAL:
+ err=TIFFReadDirEntryCheckedRational(tif,direntry,value);
+ return(err);
+ case TIFF_SRATIONAL:
+ err=TIFFReadDirEntryCheckedSrational(tif,direntry,value);
+ return(err);
+ case TIFF_FLOAT:
+ {
+ float m;
+ TIFFReadDirEntryCheckedFloat(tif,direntry,&m);
+ *value=(double)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_DOUBLE:
+ err=TIFFReadDirEntryCheckedDouble(tif,direntry,value);
+ return(err);
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8(TIFF* tif, TIFFDirEntry* direntry, uint64* value)
+{
+ enum TIFFReadDirEntryErr err;
+ if (direntry->tdir_count!=1)
+ return(TIFFReadDirEntryErrCount);
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG:
+ case TIFF_IFD:
+ {
+ uint32 m;
+ TIFFReadDirEntryCheckedLong(tif,direntry,&m);
+ *value=(uint64)m;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_LONG8:
+ case TIFF_IFD8:
+ err=TIFFReadDirEntryCheckedLong8(tif,direntry,value);
+ return(err);
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryArray(TIFF* tif, TIFFDirEntry* direntry, uint32* count, uint32 desttypesize, void** value)
+{
+ int typesize;
+ uint32 datasize;
+ void* data;
+ typesize=TIFFDataWidth(direntry->tdir_type);
+ if ((direntry->tdir_count==0)||(typesize==0))
+ {
+ *value=0;
+ return(TIFFReadDirEntryErrOk);
+ }
+ (void) desttypesize;
+
+ /*
+ * As a sanity check, make sure we have no more than a 2GB tag array
+ * in either the current data type or the dest data type. This also
+ * avoids problems with overflow of tmsize_t on 32bit systems.
+ */
+ if ((uint64)(2147483647/typesize)<direntry->tdir_count)
+ return(TIFFReadDirEntryErrSizesan);
+ if ((uint64)(2147483647/desttypesize)<direntry->tdir_count)
+ return(TIFFReadDirEntryErrSizesan);
+
+ *count=(uint32)direntry->tdir_count;
+ datasize=(*count)*typesize;
+ assert((tmsize_t)datasize>0);
+ data=_TIFFCheckMalloc(tif, *count, typesize, "ReadDirEntryArray");
+ if (data==0)
+ return(TIFFReadDirEntryErrAlloc);
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ if (datasize<=4)
+ _TIFFmemcpy(data,&direntry->tdir_offset,datasize);
+ else
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 offset = direntry->tdir_offset.toff_long;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,(uint64)offset,(tmsize_t)datasize,data);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ }
+ }
+ else
+ {
+ if (datasize<=8)
+ _TIFFmemcpy(data,&direntry->tdir_offset,datasize);
+ else
+ {
+ enum TIFFReadDirEntryErr err;
+ uint64 offset = direntry->tdir_offset.toff_long8;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(&offset);
+ err=TIFFReadDirEntryData(tif,offset,(tmsize_t)datasize,data);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ }
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryByteArray(TIFF* tif, TIFFDirEntry* direntry, uint8** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ uint8* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_ASCII:
+ case TIFF_UNDEFINED:
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,1,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_ASCII:
+ case TIFF_UNDEFINED:
+ case TIFF_BYTE:
+ *value=(uint8*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SBYTE:
+ {
+ int8* m;
+ uint32 n;
+ m=(int8*)origdata;
+ for (n=0; n<count; n++)
+ {
+ err=TIFFReadDirEntryCheckRangeByteSbyte(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(uint8*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ }
+ data=(uint8*)_TIFFmalloc(count);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ uint8* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ err=TIFFReadDirEntryCheckRangeByteShort(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ uint8* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ err=TIFFReadDirEntryCheckRangeByteSshort(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ uint8* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ err=TIFFReadDirEntryCheckRangeByteLong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ uint8* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ err=TIFFReadDirEntryCheckRangeByteSlong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ uint8* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+ err=TIFFReadDirEntryCheckRangeByteLong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ uint8* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ err=TIFFReadDirEntryCheckRangeByteSlong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint8)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySbyteArray(TIFF* tif, TIFFDirEntry* direntry, int8** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ int8* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_UNDEFINED:
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,1,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_UNDEFINED:
+ case TIFF_BYTE:
+ {
+ uint8* m;
+ uint32 n;
+ m=(uint8*)origdata;
+ for (n=0; n<count; n++)
+ {
+ err=TIFFReadDirEntryCheckRangeSbyteByte(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(int8*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SBYTE:
+ *value=(int8*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(int8*)_TIFFmalloc(count);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ int8* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ err=TIFFReadDirEntryCheckRangeSbyteShort(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ int8* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ err=TIFFReadDirEntryCheckRangeSbyteSshort(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ int8* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ err=TIFFReadDirEntryCheckRangeSbyteLong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ int8* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ err=TIFFReadDirEntryCheckRangeSbyteSlong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ int8* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+ err=TIFFReadDirEntryCheckRangeSbyteLong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int8)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ int8* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ err=TIFFReadDirEntryCheckRangeSbyteSlong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int8)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryShortArray(TIFF* tif, TIFFDirEntry* direntry, uint16** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ uint16* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,2,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_SHORT:
+ *value=(uint16*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfShort(*value,count);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SSHORT:
+ {
+ int16* m;
+ uint32 n;
+ m=(int16*)origdata;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)m);
+ err=TIFFReadDirEntryCheckRangeShortSshort(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(uint16*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ }
+ data=(uint16*)_TIFFmalloc(count*2);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ uint16* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(uint16)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ uint16* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ err=TIFFReadDirEntryCheckRangeShortSbyte(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ uint16* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ err=TIFFReadDirEntryCheckRangeShortLong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ uint16* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ err=TIFFReadDirEntryCheckRangeShortSlong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ uint16* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+ err=TIFFReadDirEntryCheckRangeShortLong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ uint16* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ err=TIFFReadDirEntryCheckRangeShortSlong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint16)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySshortArray(TIFF* tif, TIFFDirEntry* direntry, int16** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ int16* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,2,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_SHORT:
+ {
+ uint16* m;
+ uint32 n;
+ m=(uint16*)origdata;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(m);
+ err=TIFFReadDirEntryCheckRangeSshortShort(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(int16*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SSHORT:
+ *value=(int16*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfShort((uint16*)(*value),count);
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(int16*)_TIFFmalloc(count*2);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ int16* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(int16)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ int16* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(int16)(*ma++);
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ int16* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ err=TIFFReadDirEntryCheckRangeSshortLong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ int16* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ err=TIFFReadDirEntryCheckRangeSshortSlong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ int16* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+ err=TIFFReadDirEntryCheckRangeSshortLong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int16)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ int16* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ err=TIFFReadDirEntryCheckRangeSshortSlong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int16)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLongArray(TIFF* tif, TIFFDirEntry* direntry, uint32** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ uint32* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,4,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG:
+ *value=(uint32*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong(*value,count);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SLONG:
+ {
+ int32* m;
+ uint32 n;
+ m=(int32*)origdata;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)m);
+ err=TIFFReadDirEntryCheckRangeLongSlong(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(uint32*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ }
+ data=(uint32*)_TIFFmalloc(count*4);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ uint32* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(uint32)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ uint32* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ err=TIFFReadDirEntryCheckRangeLongSbyte(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ uint32* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ *mb++=(uint32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ uint32* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ err=TIFFReadDirEntryCheckRangeLongSshort(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ uint32* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+ err=TIFFReadDirEntryCheckRangeLongLong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ uint32* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ err=TIFFReadDirEntryCheckRangeLongSlong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint32)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySlongArray(TIFF* tif, TIFFDirEntry* direntry, int32** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ int32* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,4,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG:
+ {
+ uint32* m;
+ uint32 n;
+ m=(uint32*)origdata;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)m);
+ err=TIFFReadDirEntryCheckRangeSlongLong(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(int32*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG:
+ *value=(int32*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong((uint32*)(*value),count);
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(int32*)_TIFFmalloc(count*4);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ int32* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(int32)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ int32* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(int32)(*ma++);
+ }
+ break;
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ int32* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ *mb++=(int32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ int32* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ *mb++=(int32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ int32* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+ err=TIFFReadDirEntryCheckRangeSlongLong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int32)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ int32* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ err=TIFFReadDirEntryCheckRangeSlongSlong8(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(int32)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryLong8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ uint64* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG8:
+ *value=(uint64*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong8(*value,count);
+ return(TIFFReadDirEntryErrOk);
+ case TIFF_SLONG8:
+ {
+ int64* m;
+ uint32 n;
+ m=(int64*)origdata;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)m);
+ err=TIFFReadDirEntryCheckRangeLong8Slong8(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(uint64*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ }
+ data=(uint64*)_TIFFmalloc(count*8);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(uint64)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ err=TIFFReadDirEntryCheckRangeLong8Sbyte(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ *mb++=(uint64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ err=TIFFReadDirEntryCheckRangeLong8Sshort(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ *mb++=(uint64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ err=TIFFReadDirEntryCheckRangeLong8Slong(*ma);
+ if (err!=TIFFReadDirEntryErrOk)
+ break;
+ *mb++=(uint64)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntrySlong8Array(TIFF* tif, TIFFDirEntry* direntry, int64** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ int64* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG8:
+ {
+ uint64* m;
+ uint32 n;
+ m=(uint64*)origdata;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(m);
+ err=TIFFReadDirEntryCheckRangeSlong8Long8(*m);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(origdata);
+ return(err);
+ }
+ m++;
+ }
+ *value=(int64*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ case TIFF_SLONG8:
+ *value=(int64*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong8((uint64*)(*value),count);
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(int64*)_TIFFmalloc(count*8);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ int64* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(int64)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ int64* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(int64)(*ma++);
+ }
+ break;
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ int64* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ *mb++=(int64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ int64* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ *mb++=(int64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ int64* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ *mb++=(int64)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ int64* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ *mb++=(int64)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryFloatArray(TIFF* tif, TIFFDirEntry* direntry, float** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ float* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ case TIFF_RATIONAL:
+ case TIFF_SRATIONAL:
+ case TIFF_FLOAT:
+ case TIFF_DOUBLE:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,4,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_FLOAT:
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong((uint32*)origdata,count);
+ TIFFCvtIEEEDoubleToNative(tif,count,(float*)origdata);
+ *value=(float*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(float*)_TIFFmalloc(count*sizeof(float));
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ float* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(float)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ float* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(float)(*ma++);
+ }
+ break;
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ float* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ *mb++=(float)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ float* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ *mb++=(float)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ float* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ *mb++=(float)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ float* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ *mb++=(float)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ float* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+#if defined(__WIN32__) && (_MSC_VER < 1500)
+ /*
+ * XXX: MSVC 6.0 does not support
+ * conversion of 64-bit integers into
+ * floating point values.
+ */
+ *mb++ = _TIFFUInt64ToFloat(*ma++);
+#else
+ *mb++ = (float)(*ma++);
+#endif
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ float* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ *mb++=(float)(*ma++);
+ }
+ }
+ break;
+ case TIFF_RATIONAL:
+ {
+ uint32* ma;
+ uint32 maa;
+ uint32 mab;
+ float* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ maa=*ma++;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ mab=*ma++;
+ if (mab==0)
+ *mb++=0.0;
+ else
+ *mb++=(float)maa/(float)mab;
+ }
+ }
+ break;
+ case TIFF_SRATIONAL:
+ {
+ uint32* ma;
+ int32 maa;
+ uint32 mab;
+ float* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ maa=*(int32*)ma;
+ ma++;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ mab=*ma++;
+ if (mab==0)
+ *mb++=0.0;
+ else
+ *mb++=(float)maa/(float)mab;
+ }
+ }
+ break;
+ case TIFF_DOUBLE:
+ {
+ double* ma;
+ float* mb;
+ uint32 n;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong8((uint64*)origdata,count);
+ TIFFCvtIEEEDoubleToNative(tif,count,(double*)origdata);
+ ma=(double*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(float)(*ma++);
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryDoubleArray(TIFF* tif, TIFFDirEntry* direntry, double** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ double* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ case TIFF_SBYTE:
+ case TIFF_SHORT:
+ case TIFF_SSHORT:
+ case TIFF_LONG:
+ case TIFF_SLONG:
+ case TIFF_LONG8:
+ case TIFF_SLONG8:
+ case TIFF_RATIONAL:
+ case TIFF_SRATIONAL:
+ case TIFF_FLOAT:
+ case TIFF_DOUBLE:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_DOUBLE:
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong8((uint64*)origdata,count);
+ TIFFCvtIEEEDoubleToNative(tif,count,(double*)origdata);
+ *value=(double*)origdata;
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(double*)_TIFFmalloc(count*sizeof(double));
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_BYTE:
+ {
+ uint8* ma;
+ double* mb;
+ uint32 n;
+ ma=(uint8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(double)(*ma++);
+ }
+ break;
+ case TIFF_SBYTE:
+ {
+ int8* ma;
+ double* mb;
+ uint32 n;
+ ma=(int8*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(double)(*ma++);
+ }
+ break;
+ case TIFF_SHORT:
+ {
+ uint16* ma;
+ double* mb;
+ uint32 n;
+ ma=(uint16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(ma);
+ *mb++=(double)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SSHORT:
+ {
+ int16* ma;
+ double* mb;
+ uint32 n;
+ ma=(int16*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ *mb++=(double)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG:
+ {
+ uint32* ma;
+ double* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ *mb++=(double)(*ma++);
+ }
+ }
+ break;
+ case TIFF_SLONG:
+ {
+ int32* ma;
+ double* mb;
+ uint32 n;
+ ma=(int32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ *mb++=(double)(*ma++);
+ }
+ }
+ break;
+ case TIFF_LONG8:
+ {
+ uint64* ma;
+ double* mb;
+ uint32 n;
+ ma=(uint64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(ma);
+#if defined(__WIN32__) && (_MSC_VER < 1500)
+ /*
+ * XXX: MSVC 6.0 does not support
+ * conversion of 64-bit integers into
+ * floating point values.
+ */
+ *mb++ = _TIFFUInt64ToDouble(*ma++);
+#else
+ *mb++ = (double)(*ma++);
+#endif
+ }
+ }
+ break;
+ case TIFF_SLONG8:
+ {
+ int64* ma;
+ double* mb;
+ uint32 n;
+ ma=(int64*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ *mb++=(double)(*ma++);
+ }
+ }
+ break;
+ case TIFF_RATIONAL:
+ {
+ uint32* ma;
+ uint32 maa;
+ uint32 mab;
+ double* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ maa=*ma++;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ mab=*ma++;
+ if (mab==0)
+ *mb++=0.0;
+ else
+ *mb++=(double)maa/(double)mab;
+ }
+ }
+ break;
+ case TIFF_SRATIONAL:
+ {
+ uint32* ma;
+ int32 maa;
+ uint32 mab;
+ double* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ maa=*(int32*)ma;
+ ma++;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ mab=*ma++;
+ if (mab==0)
+ *mb++=0.0;
+ else
+ *mb++=(double)maa/(double)mab;
+ }
+ }
+ break;
+ case TIFF_FLOAT:
+ {
+ float* ma;
+ double* mb;
+ uint32 n;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong((uint32*)origdata,count);
+ TIFFCvtIEEEFloatToNative(tif,count,(float*)origdata);
+ ma=(float*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ *mb++=(double)(*ma++);
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryIfd8Array(TIFF* tif, TIFFDirEntry* direntry, uint64** value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint32 count;
+ void* origdata;
+ uint64* data;
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG:
+ case TIFF_LONG8:
+ case TIFF_IFD:
+ case TIFF_IFD8:
+ break;
+ default:
+ return(TIFFReadDirEntryErrType);
+ }
+ err=TIFFReadDirEntryArray(tif,direntry,&count,8,&origdata);
+ if ((err!=TIFFReadDirEntryErrOk)||(origdata==0))
+ {
+ *value=0;
+ return(err);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG8:
+ case TIFF_IFD8:
+ *value=(uint64*)origdata;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong8(*value,count);
+ return(TIFFReadDirEntryErrOk);
+ }
+ data=(uint64*)_TIFFmalloc(count*8);
+ if (data==0)
+ {
+ _TIFFfree(origdata);
+ return(TIFFReadDirEntryErrAlloc);
+ }
+ switch (direntry->tdir_type)
+ {
+ case TIFF_LONG:
+ case TIFF_IFD:
+ {
+ uint32* ma;
+ uint64* mb;
+ uint32 n;
+ ma=(uint32*)origdata;
+ mb=data;
+ for (n=0; n<count; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(ma);
+ *mb++=(uint64)(*ma++);
+ }
+ }
+ break;
+ }
+ _TIFFfree(origdata);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ _TIFFfree(data);
+ return(err);
+ }
+ *value=data;
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value)
+{
+ enum TIFFReadDirEntryErr err;
+ uint16* m;
+ uint16* na;
+ uint16 nb;
+ if (direntry->tdir_count<(uint64)tif->tif_dir.td_samplesperpixel)
+ return(TIFFReadDirEntryErrCount);
+ err=TIFFReadDirEntryShortArray(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ na=m;
+ nb=tif->tif_dir.td_samplesperpixel;
+ *value=*na++;
+ nb--;
+ while (nb>0)
+ {
+ if (*na++!=*value)
+ {
+ err=TIFFReadDirEntryErrPsdif;
+ break;
+ }
+ nb--;
+ }
+ _TIFFfree(m);
+ return(err);
+}
+
+#if 0
+static enum TIFFReadDirEntryErr TIFFReadDirEntryPersampleDouble(TIFF* tif, TIFFDirEntry* direntry, double* value)
+{
+ enum TIFFReadDirEntryErr err;
+ double* m;
+ double* na;
+ uint16 nb;
+ if (direntry->tdir_count<(uint64)tif->tif_dir.td_samplesperpixel)
+ return(TIFFReadDirEntryErrCount);
+ err=TIFFReadDirEntryDoubleArray(tif,direntry,&m);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ na=m;
+ nb=tif->tif_dir.td_samplesperpixel;
+ *value=*na++;
+ nb--;
+ while (nb>0)
+ {
+ if (*na++!=*value)
+ {
+ err=TIFFReadDirEntryErrPsdif;
+ break;
+ }
+ nb--;
+ }
+ _TIFFfree(m);
+ return(err);
+}
+#endif
+
+static void TIFFReadDirEntryCheckedByte(TIFF* tif, TIFFDirEntry* direntry, uint8* value)
+{
+ (void) tif;
+ *value=*(uint8*)(&direntry->tdir_offset);
+}
+
+static void TIFFReadDirEntryCheckedSbyte(TIFF* tif, TIFFDirEntry* direntry, int8* value)
+{
+ (void) tif;
+ *value=*(int8*)(&direntry->tdir_offset);
+}
+
+static void TIFFReadDirEntryCheckedShort(TIFF* tif, TIFFDirEntry* direntry, uint16* value)
+{
+ *value = direntry->tdir_offset.toff_short;
+ /* *value=*(uint16*)(&direntry->tdir_offset); */
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort(value);
+}
+
+static void TIFFReadDirEntryCheckedSshort(TIFF* tif, TIFFDirEntry* direntry, int16* value)
+{
+ *value=*(int16*)(&direntry->tdir_offset);
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)value);
+}
+
+static void TIFFReadDirEntryCheckedLong(TIFF* tif, TIFFDirEntry* direntry, uint32* value)
+{
+ *value=*(uint32*)(&direntry->tdir_offset);
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(value);
+}
+
+static void TIFFReadDirEntryCheckedSlong(TIFF* tif, TIFFDirEntry* direntry, int32* value)
+{
+ *value=*(int32*)(&direntry->tdir_offset);
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)value);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedLong8(TIFF* tif, TIFFDirEntry* direntry, uint64* value)
+{
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 offset = direntry->tdir_offset.toff_long;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,offset,8,value);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ }
+ else
+ *value = direntry->tdir_offset.toff_long8;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(value);
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSlong8(TIFF* tif, TIFFDirEntry* direntry, int64* value)
+{
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 offset = direntry->tdir_offset.toff_long;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,offset,8,value);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ }
+ else
+ *value=*(int64*)(&direntry->tdir_offset);
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)value);
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedRational(TIFF* tif, TIFFDirEntry* direntry, double* value)
+{
+ UInt64Aligned_t m;
+
+ assert(sizeof(double)==8);
+ assert(sizeof(uint64)==8);
+ assert(sizeof(uint32)==4);
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 offset = direntry->tdir_offset.toff_long;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,offset,8,m.i);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ }
+ else
+ m.l = direntry->tdir_offset.toff_long8;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong(m.i,2);
+ if (m.i[0]==0)
+ *value=0.0;
+ else
+ *value=(double)m.i[0]/(double)m.i[1];
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedSrational(TIFF* tif, TIFFDirEntry* direntry, double* value)
+{
+ UInt64Aligned_t m;
+ assert(sizeof(double)==8);
+ assert(sizeof(uint64)==8);
+ assert(sizeof(int32)==4);
+ assert(sizeof(uint32)==4);
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 offset = direntry->tdir_offset.toff_long;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,offset,8,m.i);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ }
+ else
+ m.l=direntry->tdir_offset.toff_long8;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong(m.i,2);
+ if ((int32)m.i[0]==0)
+ *value=0.0;
+ else
+ *value=(double)((int32)m.i[0])/(double)m.i[1];
+ return(TIFFReadDirEntryErrOk);
+}
+
+static void TIFFReadDirEntryCheckedFloat(TIFF* tif, TIFFDirEntry* direntry, float* value)
+{
+ union
+ {
+ float f;
+ uint32 i;
+ } float_union;
+ assert(sizeof(float)==4);
+ assert(sizeof(uint32)==4);
+ assert(sizeof(float_union)==4);
+ float_union.i=*(uint32*)(&direntry->tdir_offset);
+ *value=float_union.f;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)value);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckedDouble(TIFF* tif, TIFFDirEntry* direntry, double* value)
+{
+ assert(sizeof(double)==8);
+ assert(sizeof(uint64)==8);
+ assert(sizeof(UInt64Aligned_t)==8);
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 offset = direntry->tdir_offset.toff_long;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,offset,8,value);
+ if (err!=TIFFReadDirEntryErrOk)
+ return(err);
+ }
+ else
+ {
+ UInt64Aligned_t uint64_union;
+ uint64_union.l=direntry->tdir_offset.toff_long8;
+ *value=uint64_union.d;
+ }
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)value);
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSbyte(int8 value)
+{
+ if (value<0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteShort(uint16 value)
+{
+ if (value>0xFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSshort(int16 value)
+{
+ if ((value<0)||(value>0xFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong(uint32 value)
+{
+ if (value>0xFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong(int32 value)
+{
+ if ((value<0)||(value>0xFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteLong8(uint64 value)
+{
+ if (value>0xFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeByteSlong8(int64 value)
+{
+ if ((value<0)||(value>0xFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteByte(uint8 value)
+{
+ if (value>0x7F)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteShort(uint16 value)
+{
+ if (value>0x7F)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSshort(int16 value)
+{
+ if ((value<-0x80)||(value>0x7F))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong(uint32 value)
+{
+ if (value>0x7F)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong(int32 value)
+{
+ if ((value<-0x80)||(value>0x7F))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteLong8(uint64 value)
+{
+ if (value>0x7F)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSbyteSlong8(int64 value)
+{
+ if ((value<-0x80)||(value>0x7F))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSbyte(int8 value)
+{
+ if (value<0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSshort(int16 value)
+{
+ if (value<0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong(uint32 value)
+{
+ if (value>0xFFFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong(int32 value)
+{
+ if ((value<0)||(value>0xFFFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortLong8(uint64 value)
+{
+ if (value>0xFFFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeShortSlong8(int64 value)
+{
+ if ((value<0)||(value>0xFFFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortShort(uint16 value)
+{
+ if (value>0x7FFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong(uint32 value)
+{
+ if (value>0x7FFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong(int32 value)
+{
+ if ((value<-0x8000)||(value>0x7FFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortLong8(uint64 value)
+{
+ if (value>0x7FFF)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeSshortSlong8(int64 value)
+{
+ if ((value<-0x8000)||(value>0x7FFF))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSbyte(int8 value)
+{
+ if (value<0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSshort(int16 value)
+{
+ if (value<0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr TIFFReadDirEntryCheckRangeLongSlong(int32 value)
+{
+ if (value<0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+/*
+ * Largest 32-bit unsigned integer value.
+ */
+#if defined(__WIN32__) && defined(_MSC_VER)
+# define TIFF_UINT32_MAX 0xFFFFFFFFI64
+#else
+# define TIFF_UINT32_MAX 0xFFFFFFFFLL
+#endif
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeLongLong8(uint64 value)
+{
+ if (value > TIFF_UINT32_MAX)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeLongSlong8(int64 value)
+{
+ if ((value<0) || (value > TIFF_UINT32_MAX))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+#undef TIFF_UINT32_MAX
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeSlongLong(uint32 value)
+{
+ if (value > 0x7FFFFFFFUL)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeSlongLong8(uint64 value)
+{
+ if (value > 0x7FFFFFFFUL)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeSlongSlong8(int64 value)
+{
+ if ((value < 0L-0x80000000L) || (value > 0x7FFFFFFFL))
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeLong8Sbyte(int8 value)
+{
+ if (value < 0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeLong8Sshort(int16 value)
+{
+ if (value < 0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeLong8Slong(int32 value)
+{
+ if (value < 0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeLong8Slong8(int64 value)
+{
+ if (value < 0)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+/*
+ * Largest 64-bit signed integer value.
+ */
+#if defined(__WIN32__) && defined(_MSC_VER)
+# define TIFF_INT64_MAX 0x7FFFFFFFFFFFFFFFI64
+#else
+# define TIFF_INT64_MAX 0x7FFFFFFFFFFFFFFFLL
+#endif
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryCheckRangeSlong8Long8(uint64 value)
+{
+ if (value > TIFF_INT64_MAX)
+ return(TIFFReadDirEntryErrRange);
+ else
+ return(TIFFReadDirEntryErrOk);
+}
+
+#undef TIFF_INT64_MAX
+
+static enum TIFFReadDirEntryErr
+TIFFReadDirEntryData(TIFF* tif, uint64 offset, tmsize_t size, void* dest)
+{
+ assert(size>0);
+ if (!isMapped(tif)) {
+ if (!SeekOK(tif,offset))
+ return(TIFFReadDirEntryErrIo);
+ if (!ReadOK(tif,dest,size))
+ return(TIFFReadDirEntryErrIo);
+ } else {
+ size_t ma,mb;
+ ma=(size_t)offset;
+ mb=ma+size;
+ if (((uint64)ma!=offset)
+ || (mb < ma)
+ || (mb - ma != (size_t) size)
+ || (mb < (size_t)size)
+ || (mb > (size_t)tif->tif_size)
+ )
+ return(TIFFReadDirEntryErrIo);
+ _TIFFmemcpy(dest,tif->tif_base+ma,size);
+ }
+ return(TIFFReadDirEntryErrOk);
+}
+
+static void TIFFReadDirEntryOutputErr(TIFF* tif, enum TIFFReadDirEntryErr err, const char* module, const char* tagname, int recover)
+{
+ if (!recover) {
+ switch (err) {
+ case TIFFReadDirEntryErrCount:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Incorrect count for \"%s\"",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrType:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Incompatible type for \"%s\"",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrIo:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "IO error during reading of \"%s\"",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrRange:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Incorrect value for \"%s\"",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrPsdif:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Cannot handle different values per sample for \"%s\"",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrSizesan:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Sanity check on size of \"%s\" value failed",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrAlloc:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Out of memory reading of \"%s\"",
+ tagname);
+ break;
+ default:
+ assert(0); /* we should never get here */
+ break;
+ }
+ } else {
+ switch (err) {
+ case TIFFReadDirEntryErrCount:
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Incorrect count for \"%s\"; tag ignored",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrType:
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Incompatible type for \"%s\"; tag ignored",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrIo:
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "IO error during reading of \"%s\"; tag ignored",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrRange:
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Incorrect value for \"%s\"; tag ignored",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrPsdif:
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Cannot handle different values per sample for \"%s\"; tag ignored",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrSizesan:
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Sanity check on size of \"%s\" value failed; tag ignored",
+ tagname);
+ break;
+ case TIFFReadDirEntryErrAlloc:
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Out of memory reading of \"%s\"; tag ignored",
+ tagname);
+ break;
+ default:
+ assert(0); /* we should never get here */
+ break;
+ }
+ }
+}
+
+/*
+ * Read the next TIFF directory from a file and convert it to the internal
+ * format. We read directories sequentially.
+ */
+int
+TIFFReadDirectory(TIFF* tif)
+{
+ static const char module[] = "TIFFReadDirectory";
+ TIFFDirEntry* dir;
+ uint16 dircount;
+ TIFFDirEntry* dp;
+ uint16 di;
+ const TIFFField* fip;
+ uint32 fii=FAILED_FII;
+ toff_t nextdiroff;
+ tif->tif_diroff=tif->tif_nextdiroff;
+ if (!TIFFCheckDirOffset(tif,tif->tif_nextdiroff))
+ return 0; /* last offset or bad offset (IFD looping) */
+ (*tif->tif_cleanup)(tif); /* cleanup any previous compression state */
tif->tif_curdir++;
- dircount = TIFFFetchDirectory(tif, tif->tif_nextdiroff,
- &dir, &tif->tif_nextdiroff);
- if (!dircount) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Failed to read directory at offset %u",
- tif->tif_name, tif->tif_nextdiroff);
+ nextdiroff = tif->tif_nextdiroff;
+ dircount=TIFFFetchDirectory(tif,nextdiroff,&dir,&tif->tif_nextdiroff);
+ if (!dircount)
+ {
+ TIFFErrorExt(tif->tif_clientdata,module,
+ "Failed to read directory at offset " TIFF_UINT64_FORMAT,nextdiroff);
return 0;
}
+ TIFFReadDirectoryCheckOrder(tif,dir,dircount);
- tif->tif_flags &= ~TIFF_BEENWRITING; /* reset before new dir */
- /*
- * Setup default value and then make a pass over
- * the fields to check type and tag information,
- * and to extract info required to size data
- * structures. A second pass is made afterwards
- * to read in everthing not taken in the first pass.
- */
- td = &tif->tif_dir;
+ /*
+ * Mark duplicates of any tag to be ignored (bugzilla 1994)
+ * to avoid certain pathological problems.
+ */
+ {
+ TIFFDirEntry* ma;
+ uint16 mb;
+ for (ma=dir, mb=0; mb<dircount; ma++, mb++)
+ {
+ TIFFDirEntry* na;
+ uint16 nb;
+ for (na=ma+1, nb=mb+1; nb<dircount; na++, nb++)
+ {
+ if (ma->tdir_tag==na->tdir_tag)
+ na->tdir_tag=IGNORE;
+ }
+ }
+ }
+
+ tif->tif_flags &= ~TIFF_BEENWRITING; /* reset before new dir */
+ tif->tif_flags &= ~TIFF_BUF4WRITE; /* reset before new dir */
/* free any old stuff and reinit */
TIFFFreeDirectory(tif);
TIFFDefaultDirectory(tif);
* Thus we setup a default value here, even though
* the TIFF spec says there is no default value.
*/
- TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
-
+ TIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG);
/*
- * Sigh, we must make a separate pass through the
- * directory for the following reason:
- *
- * We must process the Compression tag in the first pass
+ * Setup default value and then make a pass over
+ * the fields to check type and tag information,
+ * and to extract info required to size data
+ * structures. A second pass is made afterwards
+ * to read in everthing not taken in the first pass.
+ * But we must process the Compression tag first
* in order to merge in codec-private tag definitions (otherwise
* we may get complaints about unknown tags). However, the
* Compression tag may be dependent on the SamplesPerPixel
* tag value then we may end up ignoring the Compression tag
* value because it has an incorrect count value (if the
* true value of SamplesPerPixel is not 1).
- *
- * It sure would have been nice if Aldus had really thought
- * this stuff through carefully.
*/
- for (dp = dir, n = dircount; n > 0; n--, dp++) {
- if (tif->tif_flags & TIFF_SWAB) {
- TIFFSwabArrayOfShort(&dp->tdir_tag, 2);
- TIFFSwabArrayOfLong(&dp->tdir_count, 2);
- }
- if (dp->tdir_tag == TIFFTAG_SAMPLESPERPIXEL) {
- if (!TIFFFetchNormalTag(tif, dp))
- goto bad;
- dp->tdir_tag = IGNORE;
- }
+ dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_SAMPLESPERPIXEL);
+ if (dp)
+ {
+ if (!TIFFFetchNormalTag(tif,dp,0))
+ goto bad;
+ dp->tdir_tag=IGNORE;
}
- /*
- * First real pass over the directory.
- */
- fix = 0;
- for (dp = dir, n = dircount; n > 0; n--, dp++) {
-
- if (dp->tdir_tag == IGNORE)
- continue;
- if (fix >= tif->tif_nfields)
- fix = 0;
-
- /*
- * Silicon Beach (at least) writes unordered
- * directory tags (violating the spec). Handle
- * it here, but be obnoxious (maybe they'll fix it?).
- */
- if (dp->tdir_tag < tif->tif_fieldinfo[fix]->field_tag) {
- if (!diroutoforderwarning) {
- TIFFWarningExt(tif->tif_clientdata, module,
- "%s: invalid TIFF directory; tags are not sorted in ascending order",
- tif->tif_name);
- diroutoforderwarning = 1;
- }
- fix = 0; /* O(n^2) */
- }
- while (fix < tif->tif_nfields &&
- tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag)
- fix++;
- if (fix >= tif->tif_nfields ||
- tif->tif_fieldinfo[fix]->field_tag != dp->tdir_tag) {
- /* Unknown tag ... we'll deal with it below */
- haveunknowntags = 1;
- continue;
- }
- /*
- * Null out old tags that we ignore.
- */
- if (tif->tif_fieldinfo[fix]->field_bit == FIELD_IGNORE) {
- ignore:
- dp->tdir_tag = IGNORE;
- continue;
- }
- /*
- * Check data type.
- */
- fip = tif->tif_fieldinfo[fix];
- while (dp->tdir_type != (unsigned short) fip->field_type
- && fix < tif->tif_nfields) {
- if (fip->field_type == TIFF_ANY) /* wildcard */
- break;
- fip = tif->tif_fieldinfo[++fix];
- if (fix >= tif->tif_nfields ||
- fip->field_tag != dp->tdir_tag) {
- TIFFWarningExt(tif->tif_clientdata, module,
- "%s: wrong data type %d for \"%s\"; tag ignored",
- tif->tif_name, dp->tdir_type,
- tif->tif_fieldinfo[fix-1]->field_name);
- goto ignore;
- }
- }
+ dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_COMPRESSION);
+ if (dp)
+ {
/*
- * Check count if known in advance.
+ * The 5.0 spec says the Compression tag has one value, while
+ * earlier specs say it has one value per sample. Because of
+ * this, we accept the tag if one value is supplied with either
+ * count.
*/
- if (fip->field_readcount != TIFF_VARIABLE
- && fip->field_readcount != TIFF_VARIABLE2) {
- uint32 expected = (fip->field_readcount == TIFF_SPP) ?
- (uint32) td->td_samplesperpixel :
- (uint32) fip->field_readcount;
- if (!CheckDirCount(tif, dp, expected))
- goto ignore;
- }
-
- switch (dp->tdir_tag) {
- case TIFFTAG_COMPRESSION:
- /*
- * The 5.0 spec says the Compression tag has
- * one value, while earlier specs say it has
- * one value per sample. Because of this, we
- * accept the tag if one value is supplied.
- */
- if (dp->tdir_count == 1) {
- v = TIFFExtractData(tif,
- dp->tdir_type, dp->tdir_offset);
- if (!TIFFSetField(tif, dp->tdir_tag, (uint16)v))
- goto bad;
- else
- compressionknown = 1;
- break;
- /* XXX: workaround for broken TIFFs */
- } else if (dp->tdir_type == TIFF_LONG) {
- if (!TIFFFetchPerSampleLongs(tif, dp, &v) ||
- !TIFFSetField(tif, dp->tdir_tag, (uint16)v))
- goto bad;
- } else {
- if (!TIFFFetchPerSampleShorts(tif, dp, &iv)
- || !TIFFSetField(tif, dp->tdir_tag, iv))
- goto bad;
- }
- dp->tdir_tag = IGNORE;
- break;
- case TIFFTAG_STRIPOFFSETS:
- case TIFFTAG_STRIPBYTECOUNTS:
- case TIFFTAG_TILEOFFSETS:
- case TIFFTAG_TILEBYTECOUNTS:
- TIFFSetFieldBit(tif, fip->field_bit);
- break;
- case TIFFTAG_IMAGEWIDTH:
- case TIFFTAG_IMAGELENGTH:
- case TIFFTAG_IMAGEDEPTH:
- case TIFFTAG_TILELENGTH:
- case TIFFTAG_TILEWIDTH:
- case TIFFTAG_TILEDEPTH:
- case TIFFTAG_PLANARCONFIG:
- case TIFFTAG_ROWSPERSTRIP:
- case TIFFTAG_EXTRASAMPLES:
- if (!TIFFFetchNormalTag(tif, dp))
- goto bad;
- dp->tdir_tag = IGNORE;
- break;
+ uint16 value;
+ enum TIFFReadDirEntryErr err;
+ err=TIFFReadDirEntryShort(tif,dp,&value);
+ if (err==TIFFReadDirEntryErrCount)
+ err=TIFFReadDirEntryPersampleShort(tif,dp,&value);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ TIFFReadDirEntryOutputErr(tif,err,module,"Compression",0);
+ goto bad;
}
+ if (!TIFFSetField(tif,TIFFTAG_COMPRESSION,value))
+ goto bad;
+ dp->tdir_tag=IGNORE;
+ }
+ else
+ {
+ if (!TIFFSetField(tif,TIFFTAG_COMPRESSION,COMPRESSION_NONE))
+ goto bad;
}
-
/*
- * If we saw any unknown tags, make an extra pass over the directory
- * to deal with them. This must be done separately because the tags
- * could have become known when we registered a codec after finding
- * the Compression tag. In a correctly-sorted directory there's
- * no problem because Compression will come before any codec-private
- * tags, but if the sorting is wrong that might not hold.
+ * First real pass over the directory.
*/
- if (haveunknowntags) {
- fix = 0;
- for (dp = dir, n = dircount; n > 0; n--, dp++) {
- if (dp->tdir_tag == IGNORE)
- continue;
- if (fix >= tif->tif_nfields ||
- dp->tdir_tag < tif->tif_fieldinfo[fix]->field_tag)
- fix = 0; /* O(n^2) */
- while (fix < tif->tif_nfields &&
- tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag)
- fix++;
- if (fix >= tif->tif_nfields ||
- tif->tif_fieldinfo[fix]->field_tag != dp->tdir_tag) {
-
- TIFFWarningExt(tif->tif_clientdata,
- module,
- "%s: unknown field with tag %d (0x%x) encountered",
- tif->tif_name,
- dp->tdir_tag,
- dp->tdir_tag);
-
- if (!_TIFFMergeFieldInfo(tif,
- _TIFFCreateAnonFieldInfo(tif,
+ for (di=0, dp=dir; di<dircount; di++, dp++)
+ {
+ if (dp->tdir_tag!=IGNORE)
+ {
+ TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
+ if (fii == FAILED_FII)
+ {
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Unknown field with tag %d (0x%x) encountered",
+ dp->tdir_tag,dp->tdir_tag);
+ /* the following knowingly leaks the
+ anonymous field structure */
+ if (!_TIFFMergeFields(tif,
+ _TIFFCreateAnonField(tif,
dp->tdir_tag,
(TIFFDataType) dp->tdir_type),
- 1))
- {
+ 1)) {
TIFFWarningExt(tif->tif_clientdata,
- module,
- "Registering anonymous field with tag %d (0x%x) failed",
- dp->tdir_tag,
- dp->tdir_tag);
- dp->tdir_tag = IGNORE;
- continue;
- }
- fix = 0;
- while (fix < tif->tif_nfields &&
- tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag)
- fix++;
+ module,
+ "Registering anonymous field with tag %d (0x%x) failed",
+ dp->tdir_tag,
+ dp->tdir_tag);
+ dp->tdir_tag=IGNORE;
+ } else {
+ TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
+ assert(fii != FAILED_FII);
+ }
+ }
}
- /*
- * Check data type.
- */
- fip = tif->tif_fieldinfo[fix];
- while (dp->tdir_type != (unsigned short) fip->field_type
- && fix < tif->tif_nfields) {
- if (fip->field_type == TIFF_ANY) /* wildcard */
- break;
- fip = tif->tif_fieldinfo[++fix];
- if (fix >= tif->tif_nfields ||
- fip->field_tag != dp->tdir_tag) {
- TIFFWarningExt(tif->tif_clientdata, module,
- "%s: wrong data type %d for \"%s\"; tag ignored",
- tif->tif_name, dp->tdir_type,
- tif->tif_fieldinfo[fix-1]->field_name);
- dp->tdir_tag = IGNORE;
- break;
+ if (dp->tdir_tag!=IGNORE)
+ {
+ fip=tif->tif_fields[fii];
+ if (fip->field_bit==FIELD_IGNORE)
+ dp->tdir_tag=IGNORE;
+ else
+ {
+ switch (dp->tdir_tag)
+ {
+ case TIFFTAG_STRIPOFFSETS:
+ case TIFFTAG_STRIPBYTECOUNTS:
+ case TIFFTAG_TILEOFFSETS:
+ case TIFFTAG_TILEBYTECOUNTS:
+ TIFFSetFieldBit(tif,fip->field_bit);
+ break;
+ case TIFFTAG_IMAGEWIDTH:
+ case TIFFTAG_IMAGELENGTH:
+ case TIFFTAG_IMAGEDEPTH:
+ case TIFFTAG_TILELENGTH:
+ case TIFFTAG_TILEWIDTH:
+ case TIFFTAG_TILEDEPTH:
+ case TIFFTAG_PLANARCONFIG:
+ case TIFFTAG_ROWSPERSTRIP:
+ case TIFFTAG_EXTRASAMPLES:
+ if (!TIFFFetchNormalTag(tif,dp,0))
+ goto bad;
+ dp->tdir_tag=IGNORE;
+ break;
+ }
}
}
- }
}
-
/*
* XXX: OJPEG hack.
* If a) compression is OJPEG, b) planarconfig tag says it's separate,
* that the buggy implementation of the buggy compression scheme
* matches contig planarconfig best. So we 'fix-up' the tag here
*/
- if ((td->td_compression==COMPRESSION_OJPEG) &&
- (td->td_planarconfig==PLANARCONFIG_SEPARATE)) {
- dp = TIFFReadDirectoryFind(dir,dircount,TIFFTAG_STRIPOFFSETS);
- if ((dp!=0) && (dp->tdir_count==1)) {
- dp = TIFFReadDirectoryFind(dir, dircount,
- TIFFTAG_STRIPBYTECOUNTS);
- if ((dp!=0) && (dp->tdir_count==1)) {
- td->td_planarconfig=PLANARCONFIG_CONTIG;
- TIFFWarningExt(tif->tif_clientdata,
- "TIFFReadDirectory",
- "Planarconfig tag value assumed incorrect, "
- "assuming data is contig instead of chunky");
+ if ((tif->tif_dir.td_compression==COMPRESSION_OJPEG)&&
+ (tif->tif_dir.td_planarconfig==PLANARCONFIG_SEPARATE))
+ {
+ if (!_TIFFFillStriles(tif))
+ goto bad;
+ dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_STRIPOFFSETS);
+ if ((dp!=0)&&(dp->tdir_count==1))
+ {
+ dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,
+ TIFFTAG_STRIPBYTECOUNTS);
+ if ((dp!=0)&&(dp->tdir_count==1))
+ {
+ tif->tif_dir.td_planarconfig=PLANARCONFIG_CONTIG;
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "Planarconfig tag value assumed incorrect, "
+ "assuming data is contig instead of chunky");
}
}
}
-
/*
* Allocate directory structure and setup defaults.
*/
- if (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS)) {
- MissingRequired(tif, "ImageLength");
+ if (!TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))
+ {
+ MissingRequired(tif,"ImageLength");
goto bad;
}
- /*
+ /*
* Setup appropriate structures (by strip or by tile)
*/
if (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) {
- td->td_nstrips = TIFFNumberOfStrips(tif);
- td->td_tilewidth = td->td_imagewidth;
- td->td_tilelength = td->td_rowsperstrip;
- td->td_tiledepth = td->td_imagedepth;
+ tif->tif_dir.td_nstrips = TIFFNumberOfStrips(tif);
+ tif->tif_dir.td_tilewidth = tif->tif_dir.td_imagewidth;
+ tif->tif_dir.td_tilelength = tif->tif_dir.td_rowsperstrip;
+ tif->tif_dir.td_tiledepth = tif->tif_dir.td_imagedepth;
tif->tif_flags &= ~TIFF_ISTILED;
} else {
- td->td_nstrips = TIFFNumberOfTiles(tif);
+ tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);
tif->tif_flags |= TIFF_ISTILED;
}
- if (!td->td_nstrips) {
+ if (!tif->tif_dir.td_nstrips) {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: cannot handle zero number of %s",
- tif->tif_name, isTiled(tif) ? "tiles" : "strips");
+ "Cannot handle zero number of %s",
+ isTiled(tif) ? "tiles" : "strips");
goto bad;
}
- td->td_stripsperimage = td->td_nstrips;
- if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
- td->td_stripsperimage /= td->td_samplesperpixel;
+ tif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips;
+ if (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE)
+ tif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel;
if (!TIFFFieldSet(tif, FIELD_STRIPOFFSETS)) {
- if ((td->td_compression==COMPRESSION_OJPEG) &&
+ if ((tif->tif_dir.td_compression==COMPRESSION_OJPEG) &&
(isTiled(tif)==0) &&
- (td->td_nstrips==1)) {
+ (tif->tif_dir.td_nstrips==1)) {
/*
* XXX: OJPEG hack.
* If a) compression is OJPEG, b) it's not a tiled TIFF,
goto bad;
}
}
-
/*
* Second pass: extract other information.
*/
- for (dp = dir, n = dircount; n > 0; n--, dp++) {
- if (dp->tdir_tag == IGNORE)
- continue;
- switch (dp->tdir_tag) {
- case TIFFTAG_MINSAMPLEVALUE:
- case TIFFTAG_MAXSAMPLEVALUE:
- case TIFFTAG_BITSPERSAMPLE:
- case TIFFTAG_DATATYPE:
- case TIFFTAG_SAMPLEFORMAT:
- /*
- * The 5.0 spec says the Compression tag has
- * one value, while earlier specs say it has
- * one value per sample. Because of this, we
- * accept the tag if one value is supplied.
- *
- * The MinSampleValue, MaxSampleValue, BitsPerSample
- * DataType and SampleFormat tags are supposed to be
- * written as one value/sample, but some vendors
- * incorrectly write one value only -- so we accept
- * that as well (yech). Other vendors write correct
- * value for NumberOfSamples, but incorrect one for
- * BitsPerSample and friends, and we will read this
- * too.
- */
- if (dp->tdir_count == 1) {
- v = TIFFExtractData(tif,
- dp->tdir_type, dp->tdir_offset);
- if (!TIFFSetField(tif, dp->tdir_tag, (uint16)v))
- goto bad;
- /* XXX: workaround for broken TIFFs */
- } else if (dp->tdir_tag == TIFFTAG_BITSPERSAMPLE
- && dp->tdir_type == TIFF_LONG) {
- if (!TIFFFetchPerSampleLongs(tif, dp, &v) ||
- !TIFFSetField(tif, dp->tdir_tag, (uint16)v))
- goto bad;
- } else {
- if (!TIFFFetchPerSampleShorts(tif, dp, &iv) ||
- !TIFFSetField(tif, dp->tdir_tag, iv))
- goto bad;
- }
- break;
- case TIFFTAG_SMINSAMPLEVALUE:
- case TIFFTAG_SMAXSAMPLEVALUE:
- {
- double dv = 0.0;
- if (!TIFFFetchPerSampleAnys(tif, dp, &dv) ||
- !TIFFSetField(tif, dp->tdir_tag, dv))
- goto bad;
- }
- break;
- case TIFFTAG_STRIPOFFSETS:
- case TIFFTAG_TILEOFFSETS:
- if (!TIFFFetchStripThing(tif, dp,
- td->td_nstrips, &td->td_stripoffset))
- goto bad;
- break;
- case TIFFTAG_STRIPBYTECOUNTS:
- case TIFFTAG_TILEBYTECOUNTS:
- if (!TIFFFetchStripThing(tif, dp,
- td->td_nstrips, &td->td_stripbytecount))
- goto bad;
- break;
- case TIFFTAG_COLORMAP:
- case TIFFTAG_TRANSFERFUNCTION:
- {
- char* cp;
+ for (di=0, dp=dir; di<dircount; di++, dp++)
+ {
+ switch (dp->tdir_tag)
+ {
+ case IGNORE:
+ break;
+ case TIFFTAG_MINSAMPLEVALUE:
+ case TIFFTAG_MAXSAMPLEVALUE:
+ case TIFFTAG_BITSPERSAMPLE:
+ case TIFFTAG_DATATYPE:
+ case TIFFTAG_SAMPLEFORMAT:
/*
- * TransferFunction can have either 1x or 3x
- * data values; Colormap can have only 3x
- * items.
+ * The MinSampleValue, MaxSampleValue, BitsPerSample
+ * DataType and SampleFormat tags are supposed to be
+ * written as one value/sample, but some vendors
+ * incorrectly write one value only -- so we accept
+ * that as well (yech). Other vendors write correct
+ * value for NumberOfSamples, but incorrect one for
+ * BitsPerSample and friends, and we will read this
+ * too.
*/
- v = 1L<<td->td_bitspersample;
- if (dp->tdir_tag == TIFFTAG_COLORMAP ||
- dp->tdir_count != v) {
- if (!CheckDirCount(tif, dp, 3 * v))
- break;
+ {
+ uint16 value;
+ enum TIFFReadDirEntryErr err;
+ err=TIFFReadDirEntryShort(tif,dp,&value);
+ if (err==TIFFReadDirEntryErrCount)
+ err=TIFFReadDirEntryPersampleShort(tif,dp,&value);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ fip = TIFFFieldWithTag(tif,dp->tdir_tag);
+ TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
+ goto bad;
+ }
+ if (!TIFFSetField(tif,dp->tdir_tag,value))
+ goto bad;
}
- v *= sizeof(uint16);
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count,
- sizeof (uint16),
- "to read \"TransferFunction\" tag");
- if (cp != NULL) {
- if (TIFFFetchData(tif, dp, cp)) {
- /*
- * This deals with there being
- * only one array to apply to
- * all samples.
- */
- uint32 c = 1L << td->td_bitspersample;
- if (dp->tdir_count == c)
- v = 0L;
- TIFFSetField(tif, dp->tdir_tag,
- cp, cp+v, cp+2*v);
+ break;
+ case TIFFTAG_SMINSAMPLEVALUE:
+ case TIFFTAG_SMAXSAMPLEVALUE:
+ {
+
+ double *data;
+ enum TIFFReadDirEntryErr err;
+ uint32 saved_flags;
+ int m;
+ if (dp->tdir_count != (uint64)tif->tif_dir.td_samplesperpixel)
+ err = TIFFReadDirEntryErrCount;
+ else
+ err = TIFFReadDirEntryDoubleArray(tif, dp, &data);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ fip = TIFFFieldWithTag(tif,dp->tdir_tag);
+ TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
+ goto bad;
}
- _TIFFfree(cp);
+ saved_flags = tif->tif_flags;
+ tif->tif_flags |= TIFF_PERSAMPLE;
+ m = TIFFSetField(tif,dp->tdir_tag,data);
+ tif->tif_flags = saved_flags;
+ _TIFFfree(data);
+ if (!m)
+ goto bad;
}
break;
- }
- case TIFFTAG_PAGENUMBER:
- case TIFFTAG_HALFTONEHINTS:
- case TIFFTAG_YCBCRSUBSAMPLING:
- case TIFFTAG_DOTRANGE:
- (void) TIFFFetchShortPair(tif, dp);
- break;
- case TIFFTAG_REFERENCEBLACKWHITE:
- (void) TIFFFetchRefBlackWhite(tif, dp);
- break;
-/* BEGIN REV 4.0 COMPATIBILITY */
- case TIFFTAG_OSUBFILETYPE:
- v = 0L;
- switch (TIFFExtractData(tif, dp->tdir_type,
- dp->tdir_offset)) {
- case OFILETYPE_REDUCEDIMAGE:
- v = FILETYPE_REDUCEDIMAGE;
+ case TIFFTAG_STRIPOFFSETS:
+ case TIFFTAG_TILEOFFSETS:
+#if defined(DEFER_STRILE_LOAD)
+ _TIFFmemcpy( &(tif->tif_dir.td_stripoffset_entry),
+ dp, sizeof(TIFFDirEntry) );
+#else
+ if (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripoffset))
+ goto bad;
+#endif
break;
- case OFILETYPE_PAGE:
- v = FILETYPE_PAGE;
+ case TIFFTAG_STRIPBYTECOUNTS:
+ case TIFFTAG_TILEBYTECOUNTS:
+#if defined(DEFER_STRILE_LOAD)
+ _TIFFmemcpy( &(tif->tif_dir.td_stripbytecount_entry),
+ dp, sizeof(TIFFDirEntry) );
+#else
+ if (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripbytecount))
+ goto bad;
+#endif
+ break;
+ case TIFFTAG_COLORMAP:
+ case TIFFTAG_TRANSFERFUNCTION:
+ {
+ enum TIFFReadDirEntryErr err;
+ uint32 countpersample;
+ uint32 countrequired;
+ uint32 incrementpersample;
+ uint16* value=NULL;
+ countpersample=(1L<<tif->tif_dir.td_bitspersample);
+ if ((dp->tdir_tag==TIFFTAG_TRANSFERFUNCTION)&&(dp->tdir_count==(uint64)countpersample))
+ {
+ countrequired=countpersample;
+ incrementpersample=0;
+ }
+ else
+ {
+ countrequired=3*countpersample;
+ incrementpersample=countpersample;
+ }
+ if (dp->tdir_count!=(uint64)countrequired)
+ err=TIFFReadDirEntryErrCount;
+ else
+ err=TIFFReadDirEntryShortArray(tif,dp,&value);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ fip = TIFFFieldWithTag(tif,dp->tdir_tag);
+ TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",1);
+ }
+ else
+ {
+ TIFFSetField(tif,dp->tdir_tag,value,value+incrementpersample,value+2*incrementpersample);
+ _TIFFfree(value);
+ }
+ }
+ break;
+/* BEGIN REV 4.0 COMPATIBILITY */
+ case TIFFTAG_OSUBFILETYPE:
+ {
+ uint16 valueo;
+ uint32 value;
+ if (TIFFReadDirEntryShort(tif,dp,&valueo)==TIFFReadDirEntryErrOk)
+ {
+ switch (valueo)
+ {
+ case OFILETYPE_REDUCEDIMAGE: value=FILETYPE_REDUCEDIMAGE; break;
+ case OFILETYPE_PAGE: value=FILETYPE_PAGE; break;
+ default: value=0; break;
+ }
+ if (value!=0)
+ TIFFSetField(tif,TIFFTAG_SUBFILETYPE,value);
+ }
+ }
break;
- }
- if (v)
- TIFFSetField(tif, TIFFTAG_SUBFILETYPE, v);
- break;
/* END REV 4.0 COMPATIBILITY */
- default:
- (void) TIFFFetchNormalTag(tif, dp);
- break;
+ default:
+ (void) TIFFFetchNormalTag(tif, dp, TRUE);
+ break;
}
}
/*
* and c) photometric is MINISWHITE or MINISBLACK, then we consistently
* find samplesperpixel should be 3
*/
- if (td->td_compression==COMPRESSION_OJPEG)
+ if (tif->tif_dir.td_compression==COMPRESSION_OJPEG)
{
if (!TIFFFieldSet(tif,FIELD_PHOTOMETRIC))
{
- TIFFWarningExt(tif->tif_clientdata, "TIFFReadDirectory",
- "Photometric tag is missing, assuming data is YCbCr");
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Photometric tag is missing, assuming data is YCbCr");
if (!TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,PHOTOMETRIC_YCBCR))
goto bad;
}
- else if (td->td_photometric==PHOTOMETRIC_RGB)
+ else if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)
{
- td->td_photometric=PHOTOMETRIC_YCBCR;
- TIFFWarningExt(tif->tif_clientdata, "TIFFReadDirectory",
- "Photometric tag value assumed incorrect, "
- "assuming data is YCbCr instead of RGB");
+ tif->tif_dir.td_photometric=PHOTOMETRIC_YCBCR;
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Photometric tag value assumed incorrect, "
+ "assuming data is YCbCr instead of RGB");
}
if (!TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))
{
- TIFFWarningExt(tif->tif_clientdata,"TIFFReadDirectory",
- "BitsPerSample tag is missing, assuming 8 bits per sample");
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "BitsPerSample tag is missing, assuming 8 bits per sample");
if (!TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,8))
goto bad;
}
if (!TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))
{
- if ((td->td_photometric==PHOTOMETRIC_RGB)
- || (td->td_photometric==PHOTOMETRIC_YCBCR))
+ if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)
+ {
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "SamplesPerPixel tag is missing, "
+ "assuming correct SamplesPerPixel value is 3");
+ if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
+ goto bad;
+ }
+ if (tif->tif_dir.td_photometric==PHOTOMETRIC_YCBCR)
{
- TIFFWarningExt(tif->tif_clientdata,
- "TIFFReadDirectory",
- "SamplesPerPixel tag is missing, "
- "assuming correct SamplesPerPixel value is 3");
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "SamplesPerPixel tag is missing, "
+ "applying correct SamplesPerPixel value of 3");
if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
goto bad;
}
- else if ((td->td_photometric==PHOTOMETRIC_MINISWHITE)
- || (td->td_photometric==PHOTOMETRIC_MINISBLACK))
+ else if ((tif->tif_dir.td_photometric==PHOTOMETRIC_MINISWHITE)
+ || (tif->tif_dir.td_photometric==PHOTOMETRIC_MINISBLACK))
{
- TIFFWarningExt(tif->tif_clientdata,
- "TIFFReadDirectory",
- "SamplesPerPixel tag is missing, "
- "assuming correct SamplesPerPixel value is 1");
+ /*
+ * SamplesPerPixel tag is missing, but is not required
+ * by spec. Assume correct SamplesPerPixel value of 1.
+ */
if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,1))
goto bad;
}
/*
* Verify Palette image has a Colormap.
*/
- if (td->td_photometric == PHOTOMETRIC_PALETTE &&
+ if (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&
!TIFFFieldSet(tif, FIELD_COLORMAP)) {
- MissingRequired(tif, "Colormap");
- goto bad;
+ if ( tif->tif_dir.td_bitspersample>=8 && tif->tif_dir.td_samplesperpixel==3)
+ tif->tif_dir.td_photometric = PHOTOMETRIC_RGB;
+ else if (tif->tif_dir.td_bitspersample>=8)
+ tif->tif_dir.td_photometric = PHOTOMETRIC_MINISBLACK;
+ else {
+ MissingRequired(tif, "Colormap");
+ goto bad;
+ }
}
/*
* OJPEG hack:
* We do no further messing with strip/tile offsets/bytecounts in OJPEG
* TIFFs
*/
- if (td->td_compression!=COMPRESSION_OJPEG)
+ if (tif->tif_dir.td_compression!=COMPRESSION_OJPEG)
{
/*
* Attempt to deal with a missing StripByteCounts tag.
* the size of the strips. In this case, assume there
* is one uncompressed strip of data.
*/
- if ((td->td_planarconfig == PLANARCONFIG_CONTIG &&
- td->td_nstrips > 1) ||
- (td->td_planarconfig == PLANARCONFIG_SEPARATE &&
- td->td_nstrips != td->td_samplesperpixel)) {
+ if ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&
+ tif->tif_dir.td_nstrips > 1) ||
+ (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE &&
+ tif->tif_dir.td_nstrips != (uint32)tif->tif_dir.td_samplesperpixel)) {
MissingRequired(tif, "StripByteCounts");
goto bad;
}
TIFFWarningExt(tif->tif_clientdata, module,
- "%s: TIFF directory is missing required "
- "\"%s\" field, calculating from imagelength",
- tif->tif_name,
- _TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name);
+ "TIFF directory is missing required "
+ "\"StripByteCounts\" field, calculating from imagelength");
if (EstimateStripByteCounts(tif, dir, dircount) < 0)
goto bad;
/*
* dumped out.
*/
#define BYTECOUNTLOOKSBAD \
- ( (td->td_stripbytecount[0] == 0 && td->td_stripoffset[0] != 0) || \
- (td->td_compression == COMPRESSION_NONE && \
- td->td_stripbytecount[0] > TIFFGetFileSize(tif) - td->td_stripoffset[0]) || \
+ ( (tif->tif_dir.td_stripbytecount[0] == 0 && tif->tif_dir.td_stripoffset[0] != 0) || \
+ (tif->tif_dir.td_compression == COMPRESSION_NONE && \
+ tif->tif_dir.td_stripbytecount[0] > TIFFGetFileSize(tif) - tif->tif_dir.td_stripoffset[0]) || \
(tif->tif_mode == O_RDONLY && \
- td->td_compression == COMPRESSION_NONE && \
- td->td_stripbytecount[0] < TIFFScanlineSize(tif) * td->td_imagelength) )
+ tif->tif_dir.td_compression == COMPRESSION_NONE && \
+ tif->tif_dir.td_stripbytecount[0] < TIFFScanlineSize64(tif) * tif->tif_dir.td_imagelength) )
- } else if (td->td_nstrips == 1
- && td->td_stripoffset[0] != 0
+ } else if (tif->tif_dir.td_nstrips == 1
+ && _TIFFFillStriles(tif)
+ && tif->tif_dir.td_stripoffset[0] != 0
&& BYTECOUNTLOOKSBAD) {
/*
* XXX: Plexus (and others) sometimes give a value of
* of estimating the size of a one strip image.
*/
TIFFWarningExt(tif->tif_clientdata, module,
- "%s: Bogus \"%s\" field, ignoring and calculating from imagelength",
- tif->tif_name,
- _TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name);
+ "Bogus \"StripByteCounts\" field, ignoring and calculating from imagelength");
if(EstimateStripByteCounts(tif, dir, dircount) < 0)
goto bad;
- } else if (td->td_planarconfig == PLANARCONFIG_CONTIG
- && td->td_nstrips > 2
- && td->td_compression == COMPRESSION_NONE
- && td->td_stripbytecount[0] != td->td_stripbytecount[1]
- && td->td_stripbytecount[0] != 0
- && td->td_stripbytecount[1] != 0 ) {
+
+#if !defined(DEFER_STRILE_LOAD)
+ } else if (tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG
+ && tif->tif_dir.td_nstrips > 2
+ && tif->tif_dir.td_compression == COMPRESSION_NONE
+ && tif->tif_dir.td_stripbytecount[0] != tif->tif_dir.td_stripbytecount[1]
+ && tif->tif_dir.td_stripbytecount[0] != 0
+ && tif->tif_dir.td_stripbytecount[1] != 0 ) {
/*
- * XXX: Some vendors fill StripByteCount array with
- * absolutely wrong values (it can be equal to
- * StripOffset array, for example). Catch this case
- * here.
+ * XXX: Some vendors fill StripByteCount array with
+ * absolutely wrong values (it can be equal to
+ * StripOffset array, for example). Catch this case
+ * here.
+ *
+ * We avoid this check if deferring strile loading
+ * as it would always force us to load the strip/tile
+ * information.
*/
TIFFWarningExt(tif->tif_clientdata, module,
- "%s: Wrong \"%s\" field, ignoring and calculating from imagelength",
- tif->tif_name,
- _TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name);
+ "Wrong \"StripByteCounts\" field, ignoring and calculating from imagelength");
if (EstimateStripByteCounts(tif, dir, dircount) < 0)
goto bad;
+#endif /* !defined(DEFER_STRILE_LOAD) */
}
}
- if (dir) {
- _TIFFfree((char *)dir);
- dir = NULL;
+ if (dir)
+ {
+ _TIFFfree(dir);
+ dir=NULL;
}
if (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE))
- td->td_maxsamplevalue = (uint16)((1L<<td->td_bitspersample)-1);
- /*
- * Setup default compression scheme.
- */
-
+ {
+ if (tif->tif_dir.td_bitspersample>=16)
+ tif->tif_dir.td_maxsamplevalue=0xFFFF;
+ else
+ tif->tif_dir.td_maxsamplevalue = (uint16)((1L<<tif->tif_dir.td_bitspersample)-1);
+ }
/*
* XXX: We can optimize checking for the strip bounds using the sorted
* bytecounts array. See also comments for TIFFAppendToStrip()
* function in tif_write.c.
*/
- if (td->td_nstrips > 1) {
- tstrip_t strip;
-
- td->td_stripbytecountsorted = 1;
- for (strip = 1; strip < td->td_nstrips; strip++) {
- if (td->td_stripoffset[strip - 1] >
- td->td_stripoffset[strip]) {
- td->td_stripbytecountsorted = 0;
+#if !defined(DEFER_STRILE_LOAD)
+ if (tif->tif_dir.td_nstrips > 1) {
+ uint32 strip;
+
+ tif->tif_dir.td_stripbytecountsorted = 1;
+ for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {
+ if (tif->tif_dir.td_stripoffset[strip - 1] >
+ tif->tif_dir.td_stripoffset[strip]) {
+ tif->tif_dir.td_stripbytecountsorted = 0;
break;
}
}
}
+#endif /* !defined(DEFER_STRILE_LOAD) */
+
+ /*
+ * An opportunity for compression mode dependent tag fixup
+ */
+ (*tif->tif_fixuptags)(tif);
- if (!TIFFFieldSet(tif, FIELD_COMPRESSION))
- TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
/*
* Some manufacturers make life difficult by writing
* large amounts of uncompressed data as a single strip.
* side effect, however, is that the RowsPerStrip tag
* value may be changed.
*/
- if (td->td_nstrips == 1 && td->td_compression == COMPRESSION_NONE &&
- (tif->tif_flags & (TIFF_STRIPCHOP|TIFF_ISTILED)) == TIFF_STRIPCHOP)
+ if ((tif->tif_dir.td_planarconfig==PLANARCONFIG_CONTIG)&&
+ (tif->tif_dir.td_nstrips==1)&&
+ (tif->tif_dir.td_compression==COMPRESSION_NONE)&&
+ ((tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED))==TIFF_STRIPCHOP))
+ {
+ if ( !_TIFFFillStriles(tif) || !tif->tif_dir.td_stripbytecount )
+ return 0;
ChopUpSingleUncompressedStrip(tif);
+ }
+
+ /*
+ * Clear the dirty directory flag.
+ */
+ tif->tif_flags &= ~TIFF_DIRTYDIRECT;
+ tif->tif_flags &= ~TIFF_DIRTYSTRIP;
/*
* Reinitialize i/o since we are starting on a new directory.
*/
tif->tif_row = (uint32) -1;
- tif->tif_curstrip = (tstrip_t) -1;
+ tif->tif_curstrip = (uint32) -1;
tif->tif_col = (uint32) -1;
- tif->tif_curtile = (ttile_t) -1;
- tif->tif_tilesize = (tsize_t) -1;
+ tif->tif_curtile = (uint32) -1;
+ tif->tif_tilesize = (tmsize_t) -1;
tif->tif_scanlinesize = TIFFScanlineSize(tif);
if (!tif->tif_scanlinesize) {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: cannot handle zero scanline size",
- tif->tif_name);
+ "Cannot handle zero scanline size");
return (0);
}
tif->tif_tilesize = TIFFTileSize(tif);
if (!tif->tif_tilesize) {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: cannot handle zero tile size",
- tif->tif_name);
+ "Cannot handle zero tile size");
return (0);
}
} else {
if (!TIFFStripSize(tif)) {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: cannot handle zero strip size",
- tif->tif_name);
+ "Cannot handle zero strip size");
return (0);
}
}
return (0);
}
+static void
+TIFFReadDirectoryCheckOrder(TIFF* tif, TIFFDirEntry* dir, uint16 dircount)
+{
+ static const char module[] = "TIFFReadDirectoryCheckOrder";
+ uint16 m;
+ uint16 n;
+ TIFFDirEntry* o;
+ m=0;
+ for (n=0, o=dir; n<dircount; n++, o++)
+ {
+ if (o->tdir_tag<m)
+ {
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "Invalid TIFF directory; tags are not sorted in ascending order");
+ break;
+ }
+ m=o->tdir_tag+1;
+ }
+}
+
static TIFFDirEntry*
-TIFFReadDirectoryFind(TIFFDirEntry* dir, uint16 dircount, uint16 tagid)
+TIFFReadDirectoryFindEntry(TIFF* tif, TIFFDirEntry* dir, uint16 dircount, uint16 tagid)
{
TIFFDirEntry* m;
uint16 n;
+ (void) tif;
for (m=dir, n=0; n<dircount; m++, n++)
{
if (m->tdir_tag==tagid)
return(0);
}
+static void
+TIFFReadDirectoryFindFieldInfo(TIFF* tif, uint16 tagid, uint32* fii)
+{
+ int32 ma,mb,mc;
+ ma=-1;
+ mc=(int32)tif->tif_nfields;
+ while (1)
+ {
+ if (ma+1==mc)
+ {
+ *fii = FAILED_FII;
+ return;
+ }
+ mb=(ma+mc)/2;
+ if (tif->tif_fields[mb]->field_tag==(uint32)tagid)
+ break;
+ if (tif->tif_fields[mb]->field_tag<(uint32)tagid)
+ ma=mb;
+ else
+ mc=mb;
+ }
+ while (1)
+ {
+ if (mb==0)
+ break;
+ if (tif->tif_fields[mb-1]->field_tag!=(uint32)tagid)
+ break;
+ mb--;
+ }
+ *fii=mb;
+}
+
/*
* Read custom directory from the arbitarry offset.
* The code is very similar to TIFFReadDirectory().
*/
int
TIFFReadCustomDirectory(TIFF* tif, toff_t diroff,
- const TIFFFieldInfo info[], size_t n)
+ const TIFFFieldArray* infoarray)
{
static const char module[] = "TIFFReadCustomDirectory";
-
- TIFFDirectory* td = &tif->tif_dir;
- TIFFDirEntry *dp, *dir = NULL;
- const TIFFFieldInfo* fip;
- size_t fix;
- uint16 i, dircount;
-
- _TIFFSetupFieldInfo(tif, info, n);
-
- dircount = TIFFFetchDirectory(tif, diroff, &dir, NULL);
- if (!dircount) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Failed to read custom directory at offset %u",
- tif->tif_name, diroff);
+ TIFFDirEntry* dir;
+ uint16 dircount;
+ TIFFDirEntry* dp;
+ uint16 di;
+ const TIFFField* fip;
+ uint32 fii;
+ _TIFFSetupFields(tif, infoarray);
+ dircount=TIFFFetchDirectory(tif,diroff,&dir,NULL);
+ if (!dircount)
+ {
+ TIFFErrorExt(tif->tif_clientdata,module,
+ "Failed to read custom directory at offset " TIFF_UINT64_FORMAT,diroff);
return 0;
}
-
TIFFFreeDirectory(tif);
- _TIFFmemset(&tif->tif_dir, 0, sizeof(TIFFDirectory));
-
- fix = 0;
- for (dp = dir, i = dircount; i > 0; i--, dp++) {
- if (tif->tif_flags & TIFF_SWAB) {
- TIFFSwabArrayOfShort(&dp->tdir_tag, 2);
- TIFFSwabArrayOfLong(&dp->tdir_count, 2);
- }
-
- if (fix >= tif->tif_nfields || dp->tdir_tag == IGNORE)
- continue;
-
- while (fix < tif->tif_nfields &&
- tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag)
- fix++;
-
- if (fix >= tif->tif_nfields ||
- tif->tif_fieldinfo[fix]->field_tag != dp->tdir_tag) {
-
+ _TIFFmemset(&tif->tif_dir, 0, sizeof(TIFFDirectory));
+ TIFFReadDirectoryCheckOrder(tif,dir,dircount);
+ for (di=0, dp=dir; di<dircount; di++, dp++)
+ {
+ TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
+ if (fii == FAILED_FII)
+ {
TIFFWarningExt(tif->tif_clientdata, module,
- "%s: unknown field with tag %d (0x%x) encountered",
- tif->tif_name, dp->tdir_tag, dp->tdir_tag);
- if (!_TIFFMergeFieldInfo(tif,
- _TIFFCreateAnonFieldInfo(tif,
- dp->tdir_tag,
- (TIFFDataType) dp->tdir_type),
- 1))
- {
+ "Unknown field with tag %d (0x%x) encountered",
+ dp->tdir_tag, dp->tdir_tag);
+ if (!_TIFFMergeFields(tif, _TIFFCreateAnonField(tif,
+ dp->tdir_tag,
+ (TIFFDataType) dp->tdir_type),
+ 1)) {
TIFFWarningExt(tif->tif_clientdata, module,
- "Registering anonymous field with tag %d (0x%x) failed",
- dp->tdir_tag, dp->tdir_tag);
- goto ignore;
+ "Registering anonymous field with tag %d (0x%x) failed",
+ dp->tdir_tag, dp->tdir_tag);
+ dp->tdir_tag=IGNORE;
+ } else {
+ TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
+ assert( fii != FAILED_FII );
}
-
- fix = 0;
- while (fix < tif->tif_nfields &&
- tif->tif_fieldinfo[fix]->field_tag < dp->tdir_tag)
- fix++;
- }
- /*
- * Null out old tags that we ignore.
- */
- if (tif->tif_fieldinfo[fix]->field_bit == FIELD_IGNORE) {
- ignore:
- dp->tdir_tag = IGNORE;
- continue;
}
- /*
- * Check data type.
- */
- fip = tif->tif_fieldinfo[fix];
- while (dp->tdir_type != (unsigned short) fip->field_type
- && fix < tif->tif_nfields) {
- if (fip->field_type == TIFF_ANY) /* wildcard */
- break;
- fip = tif->tif_fieldinfo[++fix];
- if (fix >= tif->tif_nfields ||
- fip->field_tag != dp->tdir_tag) {
- TIFFWarningExt(tif->tif_clientdata, module,
- "%s: wrong data type %d for \"%s\"; tag ignored",
- tif->tif_name, dp->tdir_type,
- tif->tif_fieldinfo[fix-1]->field_name);
- goto ignore;
+ if (dp->tdir_tag!=IGNORE)
+ {
+ fip=tif->tif_fields[fii];
+ if (fip->field_bit==FIELD_IGNORE)
+ dp->tdir_tag=IGNORE;
+ else
+ {
+ /* check data type */
+ while ((fip->field_type!=TIFF_ANY)&&(fip->field_type!=dp->tdir_type))
+ {
+ fii++;
+ if ((fii==tif->tif_nfields)||
+ (tif->tif_fields[fii]->field_tag!=(uint32)dp->tdir_tag))
+ {
+ fii=0xFFFF;
+ break;
+ }
+ fip=tif->tif_fields[fii];
+ }
+ if (fii==0xFFFF)
+ {
+ TIFFWarningExt(tif->tif_clientdata, module,
+ "Wrong data type %d for \"%s\"; tag ignored",
+ dp->tdir_type,fip->field_name);
+ dp->tdir_tag=IGNORE;
+ }
+ else
+ {
+ /* check count if known in advance */
+ if ((fip->field_readcount!=TIFF_VARIABLE)&&
+ (fip->field_readcount!=TIFF_VARIABLE2))
+ {
+ uint32 expected;
+ if (fip->field_readcount==TIFF_SPP)
+ expected=(uint32)tif->tif_dir.td_samplesperpixel;
+ else
+ expected=(uint32)fip->field_readcount;
+ if (!CheckDirCount(tif,dp,expected))
+ dp->tdir_tag=IGNORE;
+ }
+ }
+ }
+ switch (dp->tdir_tag)
+ {
+ case IGNORE:
+ break;
+ case EXIFTAG_SUBJECTDISTANCE:
+ (void) TIFFFetchSubjectDistance(tif,dp);
+ break;
+ default:
+ (void) TIFFFetchNormalTag(tif, dp, TRUE);
+ break;
}
- }
- /*
- * Check count if known in advance.
- */
- if (fip->field_readcount != TIFF_VARIABLE
- && fip->field_readcount != TIFF_VARIABLE2) {
- uint32 expected = (fip->field_readcount == TIFF_SPP) ?
- (uint32) td->td_samplesperpixel :
- (uint32) fip->field_readcount;
- if (!CheckDirCount(tif, dp, expected))
- goto ignore;
- }
-
- /*
- * EXIF tags which need to be specifically processed.
- */
- switch (dp->tdir_tag) {
- case EXIFTAG_SUBJECTDISTANCE:
- (void) TIFFFetchSubjectDistance(tif, dp);
- break;
- default:
- (void) TIFFFetchNormalTag(tif, dp);
- break;
}
}
-
if (dir)
_TIFFfree(dir);
return 1;
int
TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff)
{
- size_t exifFieldInfoCount;
- const TIFFFieldInfo *exifFieldInfo =
- _TIFFGetExifFieldInfo(&exifFieldInfoCount);
- return TIFFReadCustomDirectory(tif, diroff, exifFieldInfo,
- exifFieldInfoCount);
+ const TIFFFieldArray* exifFieldArray;
+ exifFieldArray = _TIFFGetExifFields();
+ return TIFFReadCustomDirectory(tif, diroff, exifFieldArray);
}
static int
TIFFDirectory *td = &tif->tif_dir;
uint32 strip;
+ _TIFFFillStriles( tif );
+
if (td->td_stripbytecount)
_TIFFfree(td->td_stripbytecount);
- td->td_stripbytecount = (uint32*)
- _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint32),
+ td->td_stripbytecount = (uint64*)
+ _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),
"for \"StripByteCounts\" array");
if( td->td_stripbytecount == NULL )
return -1;
if (td->td_compression != COMPRESSION_NONE) {
- uint32 space = (uint32)(sizeof (TIFFHeader)
- + sizeof (uint16)
- + (dircount * sizeof (TIFFDirEntry))
- + sizeof (uint32));
- toff_t filesize = TIFFGetFileSize(tif);
+ uint64 space;
+ uint64 filesize;
uint16 n;
-
+ filesize = TIFFGetFileSize(tif);
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ space=sizeof(TIFFHeaderClassic)+2+dircount*12+4;
+ else
+ space=sizeof(TIFFHeaderBig)+8+dircount*20+8;
/* calculate amount of space used by indirect values */
for (dp = dir, n = dircount; n > 0; n--, dp++)
{
- uint32 cc = TIFFDataWidth((TIFFDataType) dp->tdir_type);
- if (cc == 0) {
+ uint32 typewidth = TIFFDataWidth((TIFFDataType) dp->tdir_type);
+ uint64 datasize;
+ typewidth = TIFFDataWidth((TIFFDataType) dp->tdir_type);
+ if (typewidth == 0) {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Cannot determine size of unknown tag type %d",
- tif->tif_name, dp->tdir_type);
+ "Cannot determine size of unknown tag type %d",
+ dp->tdir_type);
return -1;
}
- cc = cc * dp->tdir_count;
- if (cc > sizeof (uint32))
- space += cc;
+ datasize=(uint64)typewidth*dp->tdir_count;
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ if (datasize<=4)
+ datasize=0;
+ }
+ else
+ {
+ if (datasize<=8)
+ datasize=0;
+ }
+ space+=datasize;
}
space = filesize - space;
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
* should begin. Since a strip of data must be contiguous,
* it's safe to assume that we've overestimated the amount
* of data in the strip and trim this number back accordingly.
- */
+ */
strip--;
- if (((toff_t)(td->td_stripoffset[strip]+
- td->td_stripbytecount[strip])) > filesize)
- td->td_stripbytecount[strip] =
- filesize - td->td_stripoffset[strip];
+ if (td->td_stripoffset[strip]+td->td_stripbytecount[strip] > filesize)
+ td->td_stripbytecount[strip] = filesize - td->td_stripoffset[strip];
} else if (isTiled(tif)) {
- uint32 bytespertile = TIFFTileSize(tif);
+ uint64 bytespertile = TIFFTileSize64(tif);
for (strip = 0; strip < td->td_nstrips; strip++)
- td->td_stripbytecount[strip] = bytespertile;
+ td->td_stripbytecount[strip] = bytespertile;
} else {
- uint32 rowbytes = TIFFScanlineSize(tif);
+ uint64 rowbytes = TIFFScanlineSize64(tif);
uint32 rowsperstrip = td->td_imagelength/td->td_stripsperimage;
for (strip = 0; strip < td->td_nstrips; strip++)
td->td_stripbytecount[strip] = rowbytes * rowsperstrip;
static const char module[] = "MissingRequired";
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: TIFF directory is missing required \"%s\" field",
- tif->tif_name, tagname);
+ "TIFF directory is missing required \"%s\" field",
+ tagname);
}
/*
* seen directories and check every IFD offset against that list.
*/
static int
-TIFFCheckDirOffset(TIFF* tif, toff_t diroff)
+TIFFCheckDirOffset(TIFF* tif, uint64 diroff)
{
uint16 n;
tif->tif_dirnumber++;
if (tif->tif_dirnumber > tif->tif_dirlistsize) {
- toff_t* new_dirlist;
+ uint64* new_dirlist;
/*
* XXX: Reduce memory allocation granularity of the dirlist
* array.
*/
- new_dirlist = (toff_t *)_TIFFCheckRealloc(tif,
- tif->tif_dirlist,
- tif->tif_dirnumber,
- 2 * sizeof(toff_t),
- "for IFD list");
+ new_dirlist = (uint64*)_TIFFCheckRealloc(tif, tif->tif_dirlist,
+ tif->tif_dirnumber, 2 * sizeof(uint64), "for IFD list");
if (!new_dirlist)
return 0;
tif->tif_dirlistsize = 2 * tif->tif_dirnumber;
static int
CheckDirCount(TIFF* tif, TIFFDirEntry* dir, uint32 count)
{
- if (count > dir->tdir_count) {
+ if ((uint64)count > dir->tdir_count) {
+ const TIFFField* fip = TIFFFieldWithTag(tif, dir->tdir_tag);
TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
- "incorrect count for field \"%s\" (%u, expecting %u); tag ignored",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name,
+ "incorrect count for field \"%s\" (" TIFF_UINT64_FORMAT ", expecting %u); tag ignored",
+ fip ? fip->field_name : "unknown tagname",
dir->tdir_count, count);
return (0);
- } else if (count < dir->tdir_count) {
+ } else if ((uint64)count < dir->tdir_count) {
+ const TIFFField* fip = TIFFFieldWithTag(tif, dir->tdir_tag);
TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
- "incorrect count for field \"%s\" (%u, expecting %u); tag trimmed",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name,
+ "incorrect count for field \"%s\" (" TIFF_UINT64_FORMAT ", expecting %u); tag trimmed",
+ fip ? fip->field_name : "unknown tagname",
dir->tdir_count, count);
+ dir->tdir_count = count;
return (1);
}
return (1);
* number of fields in the directory or 0 if failed.
*/
static uint16
-TIFFFetchDirectory(TIFF* tif, toff_t diroff, TIFFDirEntry **pdir,
- toff_t *nextdiroff)
+TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir,
+ uint64 *nextdiroff)
{
static const char module[] = "TIFFFetchDirectory";
- TIFFDirEntry *dir;
- uint16 dircount;
+ void* origdir;
+ uint16 dircount16;
+ uint32 dirsize;
+ TIFFDirEntry* dir;
+ uint8* ma;
+ TIFFDirEntry* mb;
+ uint16 n;
assert(pdir);
tif->tif_name);
return 0;
}
- if (!ReadOK(tif, &dircount, sizeof (uint16))) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Can not read TIFF directory count",
- tif->tif_name);
- return 0;
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ if (!ReadOK(tif, &dircount16, sizeof (uint16))) {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "%s: Can not read TIFF directory count",
+ tif->tif_name);
+ return 0;
+ }
+ if (tif->tif_flags & TIFF_SWAB)
+ TIFFSwabShort(&dircount16);
+ if (dircount16>4096)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Sanity check on directory count failed, this is probably not a valid IFD offset");
+ return 0;
+ }
+ dirsize = 12;
+ } else {
+ uint64 dircount64;
+ if (!ReadOK(tif, &dircount64, sizeof (uint64))) {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "%s: Can not read TIFF directory count",
+ tif->tif_name);
+ return 0;
+ }
+ if (tif->tif_flags & TIFF_SWAB)
+ TIFFSwabLong8(&dircount64);
+ if (dircount64>4096)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Sanity check on directory count failed, this is probably not a valid IFD offset");
+ return 0;
+ }
+ dircount16 = (uint16)dircount64;
+ dirsize = 20;
}
- if (tif->tif_flags & TIFF_SWAB)
- TIFFSwabShort(&dircount);
- dir = (TIFFDirEntry *)_TIFFCheckMalloc(tif, dircount,
- sizeof (TIFFDirEntry),
- "to read TIFF directory");
- if (dir == NULL)
+ origdir = _TIFFCheckMalloc(tif, dircount16,
+ dirsize, "to read TIFF directory");
+ if (origdir == NULL)
return 0;
- if (!ReadOK(tif, dir, dircount*sizeof (TIFFDirEntry))) {
+ if (!ReadOK(tif, origdir, (tmsize_t)(dircount16*dirsize))) {
TIFFErrorExt(tif->tif_clientdata, module,
"%.100s: Can not read TIFF directory",
tif->tif_name);
- _TIFFfree(dir);
+ _TIFFfree(origdir);
return 0;
}
/*
* needed.
*/
if (nextdiroff)
- (void) ReadOK(tif, nextdiroff, sizeof(uint32));
+ {
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ uint32 nextdiroff32;
+ if (!ReadOK(tif, &nextdiroff32, sizeof(uint32)))
+ nextdiroff32 = 0;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&nextdiroff32);
+ *nextdiroff=nextdiroff32;
+ } else {
+ if (!ReadOK(tif, nextdiroff, sizeof(uint64)))
+ *nextdiroff = 0;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(nextdiroff);
+ }
+ }
} else {
- toff_t off = tif->tif_diroff;
+ tmsize_t m;
+ tmsize_t off = (tmsize_t) tif->tif_diroff;
+ if ((uint64)off!=tif->tif_diroff)
+ {
+ TIFFErrorExt(tif->tif_clientdata,module,"Can not read TIFF directory count");
+ return(0);
+ }
/*
* Check for integer overflow when validating the dir_off,
*
* to avoid overflow.
*/
- if (tif->tif_size < sizeof (uint16) ||
- off > tif->tif_size - sizeof(uint16)) {
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ m=off+sizeof(uint16);
+ if ((m<off)||(m<(tmsize_t)sizeof(uint16))||(m>tif->tif_size)) {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Can not read TIFF directory count");
+ return 0;
+ } else {
+ _TIFFmemcpy(&dircount16, tif->tif_base + off,
+ sizeof(uint16));
+ }
+ off += sizeof (uint16);
+ if (tif->tif_flags & TIFF_SWAB)
+ TIFFSwabShort(&dircount16);
+ if (dircount16>4096)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Sanity check on directory count failed, this is probably not a valid IFD offset");
+ return 0;
+ }
+ dirsize = 12;
+ }
+ else
+ {
+ tmsize_t m;
+ uint64 dircount64;
+ m=off+sizeof(uint64);
+ if ((m<off)||(m<(tmsize_t)sizeof(uint64))||(m>tif->tif_size)) {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Can not read TIFF directory count");
+ return 0;
+ } else {
+ _TIFFmemcpy(&dircount64, tif->tif_base + off,
+ sizeof(uint64));
+ }
+ off += sizeof (uint64);
+ if (tif->tif_flags & TIFF_SWAB)
+ TIFFSwabLong8(&dircount64);
+ if (dircount64>4096)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "Sanity check on directory count failed, this is probably not a valid IFD offset");
+ return 0;
+ }
+ dircount16 = (uint16)dircount64;
+ dirsize = 20;
+ }
+ if (dircount16 == 0 )
+ {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Can not read TIFF directory count",
- tif->tif_name);
+ "Sanity check on directory count failed, zero tag directories not supported");
return 0;
- } else {
- _TIFFmemcpy(&dircount, tif->tif_base + off,
- sizeof(uint16));
}
- off += sizeof (uint16);
- if (tif->tif_flags & TIFF_SWAB)
- TIFFSwabShort(&dircount);
- dir = (TIFFDirEntry *)_TIFFCheckMalloc(tif, dircount,
- sizeof(TIFFDirEntry),
+ origdir = _TIFFCheckMalloc(tif, dircount16,
+ dirsize,
"to read TIFF directory");
- if (dir == NULL)
+ if (origdir == NULL)
return 0;
- if (off + dircount * sizeof (TIFFDirEntry) > tif->tif_size) {
+ m=off+dircount16*dirsize;
+ if ((m<off)||(m<(tmsize_t)(dircount16*dirsize))||(m>tif->tif_size)) {
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Can not read TIFF directory",
- tif->tif_name);
- _TIFFfree(dir);
+ "Can not read TIFF directory");
+ _TIFFfree(origdir);
return 0;
} else {
- _TIFFmemcpy(dir, tif->tif_base + off,
- dircount * sizeof(TIFFDirEntry));
+ _TIFFmemcpy(origdir, tif->tif_base + off,
+ dircount16 * dirsize);
}
if (nextdiroff) {
- off += dircount * sizeof (TIFFDirEntry);
- if (off + sizeof (uint32) <= tif->tif_size) {
- _TIFFmemcpy(nextdiroff, tif->tif_base + off,
- sizeof (uint32));
+ off += dircount16 * dirsize;
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ uint32 nextdiroff32;
+ m=off+sizeof(uint32);
+ if ((m<off)||(m<(tmsize_t)sizeof(uint32))||(m>tif->tif_size))
+ nextdiroff32 = 0;
+ else
+ _TIFFmemcpy(&nextdiroff32, tif->tif_base + off,
+ sizeof (uint32));
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&nextdiroff32);
+ *nextdiroff = nextdiroff32;
+ }
+ else
+ {
+ m=off+sizeof(uint64);
+ if ((m<off)||(m<(tmsize_t)sizeof(uint64))||(m>tif->tif_size))
+ *nextdiroff = 0;
+ else
+ _TIFFmemcpy(nextdiroff, tif->tif_base + off,
+ sizeof (uint64));
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8(nextdiroff);
}
}
}
- if (nextdiroff && tif->tif_flags & TIFF_SWAB)
- TIFFSwabLong(nextdiroff);
- *pdir = dir;
- return dircount;
-}
-
-/*
- * Fetch a contiguous directory item.
- */
-static tsize_t
-TIFFFetchData(TIFF* tif, TIFFDirEntry* dir, char* cp)
-{
- uint32 w = TIFFDataWidth((TIFFDataType) dir->tdir_type);
- /*
- * FIXME: butecount should have tsize_t type, but for now libtiff
- * defines tsize_t as a signed 32-bit integer and we are losing
- * ability to read arrays larger than 2^31 bytes. So we are using
- * uint32 instead of tsize_t here.
- */
- uint32 cc = dir->tdir_count * w;
-
- /* Check for overflow. */
- if (!dir->tdir_count || !w || cc / w != dir->tdir_count)
- goto bad;
-
- if (!isMapped(tif)) {
- if (!SeekOK(tif, dir->tdir_offset))
- goto bad;
- if (!ReadOK(tif, cp, cc))
- goto bad;
- } else {
- /* Check for overflow. */
- if (dir->tdir_offset + cc < dir->tdir_offset
- || dir->tdir_offset + cc < cc
- || dir->tdir_offset + cc > tif->tif_size)
- goto bad;
- _TIFFmemcpy(cp, tif->tif_base + dir->tdir_offset, cc);
+ dir = (TIFFDirEntry*)_TIFFCheckMalloc(tif, dircount16,
+ sizeof(TIFFDirEntry),
+ "to read TIFF directory");
+ if (dir==0)
+ {
+ _TIFFfree(origdir);
+ return 0;
}
- if (tif->tif_flags & TIFF_SWAB) {
- switch (dir->tdir_type) {
- case TIFF_SHORT:
- case TIFF_SSHORT:
- TIFFSwabArrayOfShort((uint16*) cp, dir->tdir_count);
- break;
- case TIFF_LONG:
- case TIFF_SLONG:
- case TIFF_FLOAT:
- TIFFSwabArrayOfLong((uint32*) cp, dir->tdir_count);
- break;
- case TIFF_RATIONAL:
- case TIFF_SRATIONAL:
- TIFFSwabArrayOfLong((uint32*) cp, 2*dir->tdir_count);
- break;
- case TIFF_DOUBLE:
- TIFFSwabArrayOfDouble((double*) cp, dir->tdir_count);
- break;
+ ma=(uint8*)origdir;
+ mb=dir;
+ for (n=0; n<dircount16; n++)
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ mb->tdir_tag=*(uint16*)ma;
+ ma+=sizeof(uint16);
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabShort((uint16*)ma);
+ mb->tdir_type=*(uint16*)ma;
+ ma+=sizeof(uint16);
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong((uint32*)ma);
+ mb->tdir_count=(uint64)(*(uint32*)ma);
+ ma+=sizeof(uint32);
+ *(uint32*)(&mb->tdir_offset)=*(uint32*)ma;
+ ma+=sizeof(uint32);
}
- }
- return (cc);
-bad:
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "Error fetching data for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- return (tsize_t) 0;
-}
-
-/*
- * Fetch an ASCII item from the file.
- */
-static tsize_t
-TIFFFetchString(TIFF* tif, TIFFDirEntry* dir, char* cp)
-{
- if (dir->tdir_count <= 4) {
- uint32 l = dir->tdir_offset;
- if (tif->tif_flags & TIFF_SWAB)
- TIFFSwabLong(&l);
- _TIFFmemcpy(cp, &l, dir->tdir_count);
- return (1);
- }
- return (TIFFFetchData(tif, dir, cp));
-}
-
-/*
- * Convert numerator+denominator to float.
- */
-static int
-cvtRational(TIFF* tif, TIFFDirEntry* dir, uint32 num, uint32 denom, float* rv)
-{
- if (denom == 0) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "%s: Rational with zero denominator (num = %u)",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name, num);
- return (0);
- } else {
- if (dir->tdir_type == TIFF_RATIONAL)
- *rv = ((float)num / (float)denom);
else
- *rv = ((float)(int32)num / (float)(int32)denom);
- return (1);
- }
-}
-
-/*
- * Fetch a rational item from the file at offset off and return the value as a
- * floating point number.
- */
-static float
-TIFFFetchRational(TIFF* tif, TIFFDirEntry* dir)
-{
- uint32 l[2];
- float v;
-
- return (!TIFFFetchData(tif, dir, (char *)l) ||
- !cvtRational(tif, dir, l[0], l[1], &v) ? 1.0f : v);
-}
-
-/*
- * Fetch a single floating point value from the offset field and return it as
- * a native float.
- */
-static float
-TIFFFetchFloat(TIFF* tif, TIFFDirEntry* dir)
-{
- float v;
- int32 l = TIFFExtractData(tif, dir->tdir_type, dir->tdir_offset);
- _TIFFmemcpy(&v, &l, sizeof(float));
- TIFFCvtIEEEFloatToNative(tif, 1, &v);
- return (v);
-}
-
-/*
- * Fetch an array of BYTE or SBYTE values.
- */
-static int
-TIFFFetchByteArray(TIFF* tif, TIFFDirEntry* dir, uint8* v)
-{
- if (dir->tdir_count <= 4) {
- /*
- * Extract data from offset field.
- */
- if (tif->tif_header.tiff_magic == TIFF_BIGENDIAN) {
- if (dir->tdir_type == TIFF_SBYTE)
- switch (dir->tdir_count) {
- case 4: v[3] = dir->tdir_offset & 0xff;
- case 3: v[2] = (dir->tdir_offset >> 8) & 0xff;
- case 2: v[1] = (dir->tdir_offset >> 16) & 0xff;
- case 1: v[0] = dir->tdir_offset >> 24;
- }
- else
- switch (dir->tdir_count) {
- case 4: v[3] = dir->tdir_offset & 0xff;
- case 3: v[2] = (dir->tdir_offset >> 8) & 0xff;
- case 2: v[1] = (dir->tdir_offset >> 16) & 0xff;
- case 1: v[0] = dir->tdir_offset >> 24;
- }
- } else {
- if (dir->tdir_type == TIFF_SBYTE)
- switch (dir->tdir_count) {
- case 4: v[3] = dir->tdir_offset >> 24;
- case 3: v[2] = (dir->tdir_offset >> 16) & 0xff;
- case 2: v[1] = (dir->tdir_offset >> 8) & 0xff;
- case 1: v[0] = dir->tdir_offset & 0xff;
- }
- else
- switch (dir->tdir_count) {
- case 4: v[3] = dir->tdir_offset >> 24;
- case 3: v[2] = (dir->tdir_offset >> 16) & 0xff;
- case 2: v[1] = (dir->tdir_offset >> 8) & 0xff;
- case 1: v[0] = dir->tdir_offset & 0xff;
+ {
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong8((uint64*)ma);
+ mb->tdir_count=TIFFReadUInt64(ma);
+ ma+=sizeof(uint64);
+ mb->tdir_offset.toff_long8=TIFFReadUInt64(ma);
+ ma+=sizeof(uint64);
}
+ mb++;
}
- return (1);
- } else
- return (TIFFFetchData(tif, dir, (char*) v) != 0); /* XXX */
+ _TIFFfree(origdir);
+ *pdir = dir;
+ return dircount16;
}
/*
- * Fetch an array of SHORT or SSHORT values.
+ * Fetch a tag that is not handled by special case code.
*/
static int
-TIFFFetchShortArray(TIFF* tif, TIFFDirEntry* dir, uint16* v)
+TIFFFetchNormalTag(TIFF* tif, TIFFDirEntry* dp, int recover)
{
- if (dir->tdir_count <= 2) {
- if (tif->tif_header.tiff_magic == TIFF_BIGENDIAN) {
- switch (dir->tdir_count) {
- case 2: v[1] = (uint16) (dir->tdir_offset & 0xffff);
- case 1: v[0] = (uint16) (dir->tdir_offset >> 16);
+ static const char module[] = "TIFFFetchNormalTag";
+ enum TIFFReadDirEntryErr err;
+ uint32 fii;
+ const TIFFField* fip = NULL;
+ TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
+ if( fii == FAILED_FII )
+ {
+ TIFFErrorExt(tif->tif_clientdata, "TIFFFetchNormalTag",
+ "No definition found for tag %d",
+ dp->tdir_tag);
+ return 0;
+ }
+ fip=tif->tif_fields[fii];
+ assert(fip->set_field_type!=TIFF_SETGET_OTHER); /* if so, we shouldn't arrive here but deal with this in specialized code */
+ assert(fip->set_field_type!=TIFF_SETGET_INT); /* if so, we shouldn't arrive here as this is only the case for pseudo-tags */
+ err=TIFFReadDirEntryErrOk;
+ switch (fip->set_field_type)
+ {
+ case TIFF_SETGET_UNDEFINED:
+ break;
+ case TIFF_SETGET_ASCII:
+ {
+ uint8* data;
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryByteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ uint8* ma;
+ uint32 mb;
+ int n;
+ ma=data;
+ mb=0;
+ while (mb<(uint32)dp->tdir_count)
+ {
+ if (*ma==0)
+ break;
+ ma++;
+ mb++;
+ }
+ if (mb+1<(uint32)dp->tdir_count)
+ 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);
+ else if (mb+1>(uint32)dp->tdir_count)
+ {
+ uint8* o;
+ TIFFWarningExt(tif->tif_clientdata,module,"ASCII value for tag \"%s\" does not end in null byte",fip->field_name);
+ if ((uint32)dp->tdir_count+1!=dp->tdir_count+1)
+ o=NULL;
+ else
+ o=_TIFFmalloc((uint32)dp->tdir_count+1);
+ if (o==NULL)
+ {
+ if (data!=NULL)
+ _TIFFfree(data);
+ return(0);
+ }
+ _TIFFmemcpy(o,data,(uint32)dp->tdir_count);
+ o[(uint32)dp->tdir_count]=0;
+ if (data!=0)
+ _TIFFfree(data);
+ data=o;
+ }
+ n=TIFFSetField(tif,dp->tdir_tag,data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!n)
+ return(0);
+ }
}
- } else {
- switch (dir->tdir_count) {
- case 2: v[1] = (uint16) (dir->tdir_offset >> 16);
- case 1: v[0] = (uint16) (dir->tdir_offset & 0xffff);
+ break;
+ case TIFF_SETGET_UINT8:
+ {
+ uint8 data=0;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryByte(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
}
- }
- return (1);
- } else
- return (TIFFFetchData(tif, dir, (char *)v) != 0);
-}
-
-/*
- * Fetch a pair of SHORT or BYTE values. Some tags may have either BYTE
- * or SHORT type and this function works with both ones.
- */
-static int
-TIFFFetchShortPair(TIFF* tif, TIFFDirEntry* dir)
-{
- /*
- * Prevent overflowing the v stack arrays below by performing a sanity
- * check on tdir_count, this should never be greater than two.
- */
- if (dir->tdir_count > 2) {
- TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
- "unexpected count for field \"%s\", %u, expected 2; ignored",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name,
- dir->tdir_count);
- return 0;
- }
-
- switch (dir->tdir_type) {
- case TIFF_BYTE:
- case TIFF_SBYTE:
+ break;
+ case TIFF_SETGET_UINT16:
+ {
+ uint16 data;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryShort(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_UINT32:
+ {
+ uint32 data;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryLong(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_UINT64:
+ {
+ uint64 data;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryLong8(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_FLOAT:
+ {
+ float data;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryFloat(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_DOUBLE:
+ {
+ double data;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryDouble(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_IFD8:
+ {
+ uint64 data;
+ assert(fip->field_readcount==1);
+ assert(fip->field_passcount==0);
+ err=TIFFReadDirEntryIfd8(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ if (!TIFFSetField(tif,dp->tdir_tag,data))
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_UINT16_PAIR:
+ {
+ uint16* data;
+ assert(fip->field_readcount==2);
+ assert(fip->field_passcount==0);
+ if (dp->tdir_count!=2) {
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "incorrect count for field \"%s\", expected 2, got %d",
+ fip->field_name,(int)dp->tdir_count);
+ return(0);
+ }
+ err=TIFFReadDirEntryShortArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,data[0],data[1]);
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ break;
+ case TIFF_SETGET_C0_UINT8:
+ {
+ uint8* data;
+ assert(fip->field_readcount>=1);
+ assert(fip->field_passcount==0);
+ if (dp->tdir_count!=(uint64)fip->field_readcount) {
+ TIFFWarningExt(tif->tif_clientdata,module,
+ "incorrect count for field \"%s\", expected %d, got %d",
+ fip->field_name,(int) fip->field_readcount, (int)dp->tdir_count);
+ return 0;
+ }
+ else
+ {
+ err=TIFFReadDirEntryByteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C0_UINT16:
+ {
+ uint16* data;
+ assert(fip->field_readcount>=1);
+ assert(fip->field_passcount==0);
+ if (dp->tdir_count!=(uint64)fip->field_readcount)
+ /* corrupt file */;
+ else
+ {
+ err=TIFFReadDirEntryShortArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C0_UINT32:
+ {
+ uint32* data;
+ assert(fip->field_readcount>=1);
+ assert(fip->field_passcount==0);
+ if (dp->tdir_count!=(uint64)fip->field_readcount)
+ /* corrupt file */;
+ else
+ {
+ err=TIFFReadDirEntryLongArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C0_FLOAT:
+ {
+ float* data;
+ assert(fip->field_readcount>=1);
+ assert(fip->field_passcount==0);
+ if (dp->tdir_count!=(uint64)fip->field_readcount)
+ /* corrupt file */;
+ else
+ {
+ err=TIFFReadDirEntryFloatArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C16_ASCII:
+ {
+ uint8* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryByteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C16_UINT8:
+ {
+ uint8* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryByteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C16_UINT16:
+ {
+ uint16* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryShortArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C16_UINT32:
+ {
+ uint32* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryLongArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C16_UINT64:
+ {
+ uint64* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryLong8Array(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ }
+ break;
+ case TIFF_SETGET_C16_FLOAT:
{
- uint8 v[4];
- return TIFFFetchByteArray(tif, dir, v)
- && TIFFSetField(tif, dir->tdir_tag, v[0], v[1]);
+ float* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryFloatArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
}
- case TIFF_SHORT:
- case TIFF_SSHORT:
+ break;
+ case TIFF_SETGET_C16_DOUBLE:
{
- uint16 v[2];
- return TIFFFetchShortArray(tif, dir, v)
- && TIFFSetField(tif, dir->tdir_tag, v[0], v[1]);
+ double* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryDoubleArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
}
- default:
- return 0;
- }
-}
-
-/*
- * Fetch an array of LONG or SLONG values.
- */
-static int
-TIFFFetchLongArray(TIFF* tif, TIFFDirEntry* dir, uint32* v)
-{
- if (dir->tdir_count == 1) {
- v[0] = dir->tdir_offset;
- return (1);
- } else
- return (TIFFFetchData(tif, dir, (char*) v) != 0);
-}
-
-/*
- * Fetch an array of RATIONAL or SRATIONAL values.
- */
-static int
-TIFFFetchRationalArray(TIFF* tif, TIFFDirEntry* dir, float* v)
-{
- int ok = 0;
- uint32* l;
-
- l = (uint32*)_TIFFCheckMalloc(tif,
- dir->tdir_count, TIFFDataWidth((TIFFDataType) dir->tdir_type),
- "to fetch array of rationals");
- if (l) {
- if (TIFFFetchData(tif, dir, (char *)l)) {
- uint32 i;
- for (i = 0; i < dir->tdir_count; i++) {
- ok = cvtRational(tif, dir,
- l[2*i+0], l[2*i+1], &v[i]);
- if (!ok)
- break;
+ break;
+ case TIFF_SETGET_C16_IFD8:
+ {
+ uint64* data;
+ assert(fip->field_readcount==TIFF_VARIABLE);
+ assert(fip->field_passcount==1);
+ if (dp->tdir_count>0xFFFF)
+ err=TIFFReadDirEntryErrCount;
+ else
+ {
+ err=TIFFReadDirEntryIfd8Array(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint16)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
}
- }
- _TIFFfree((char *)l);
- }
- return (ok);
-}
-
-/*
- * Fetch an array of FLOAT values.
- */
-static int
-TIFFFetchFloatArray(TIFF* tif, TIFFDirEntry* dir, float* v)
-{
-
- if (dir->tdir_count == 1) {
- union
- {
- float f;
- uint32 i;
- } float_union;
-
- float_union.i=dir->tdir_offset;
- v[0]=float_union.f;
- TIFFCvtIEEEFloatToNative(tif, dir->tdir_count, v);
- return (1);
- } else if (TIFFFetchData(tif, dir, (char*) v)) {
- TIFFCvtIEEEFloatToNative(tif, dir->tdir_count, v);
- return (1);
- } else
- return (0);
-}
-
-/*
- * Fetch an array of DOUBLE values.
- */
-static int
-TIFFFetchDoubleArray(TIFF* tif, TIFFDirEntry* dir, double* v)
-{
- if (TIFFFetchData(tif, dir, (char*) v)) {
- TIFFCvtIEEEDoubleToNative(tif, dir->tdir_count, v);
- return (1);
- } else
- return (0);
-}
-
-/*
- * Fetch an array of ANY values. The actual values are returned as doubles
- * which should be able hold all the types. Yes, there really should be an
- * tany_t to avoid this potential non-portability ... Note in particular that
- * we assume that the double return value vector is large enough to read in
- * any fundamental type. We use that vector as a buffer to read in the base
- * type vector and then convert it in place to double (from end to front of
- * course).
- */
-static int
-TIFFFetchAnyArray(TIFF* tif, TIFFDirEntry* dir, double* v)
-{
- int i;
-
- switch (dir->tdir_type) {
- case TIFF_BYTE:
- case TIFF_SBYTE:
- if (!TIFFFetchByteArray(tif, dir, (uint8*) v))
- return (0);
- if (dir->tdir_type == TIFF_BYTE) {
- uint8* vp = (uint8*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- } else {
- int8* vp = (int8*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- }
- break;
- case TIFF_SHORT:
- case TIFF_SSHORT:
- if (!TIFFFetchShortArray(tif, dir, (uint16*) v))
- return (0);
- if (dir->tdir_type == TIFF_SHORT) {
- uint16* vp = (uint16*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- } else {
- int16* vp = (int16*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- }
- break;
- case TIFF_LONG:
- case TIFF_SLONG:
- if (!TIFFFetchLongArray(tif, dir, (uint32*) v))
- return (0);
- if (dir->tdir_type == TIFF_LONG) {
- uint32* vp = (uint32*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- } else {
- int32* vp = (int32*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- }
- break;
- case TIFF_RATIONAL:
- case TIFF_SRATIONAL:
- if (!TIFFFetchRationalArray(tif, dir, (float*) v))
- return (0);
- { float* vp = (float*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- }
- break;
- case TIFF_FLOAT:
- if (!TIFFFetchFloatArray(tif, dir, (float*) v))
- return (0);
- { float* vp = (float*) v;
- for (i = dir->tdir_count-1; i >= 0; i--)
- v[i] = vp[i];
- }
- break;
- case TIFF_DOUBLE:
- return (TIFFFetchDoubleArray(tif, dir, (double*) v));
- default:
- /* TIFF_NOTYPE */
- /* TIFF_ASCII */
- /* TIFF_UNDEFINED */
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "cannot read TIFF_ANY type %d for field \"%s\"",
- dir->tdir_type,
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- return (0);
- }
- return (1);
-}
-
-/*
- * Fetch a tag that is not handled by special case code.
- */
-static int
-TIFFFetchNormalTag(TIFF* tif, TIFFDirEntry* dp)
-{
- static const char mesg[] = "to fetch tag value";
- int ok = 0;
- const TIFFFieldInfo* fip = _TIFFFieldWithTag(tif, dp->tdir_tag);
-
- if (dp->tdir_count > 1) { /* array of values */
- char* cp = NULL;
-
- switch (dp->tdir_type) {
- case TIFF_BYTE:
- case TIFF_SBYTE:
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count, sizeof (uint8), mesg);
- ok = cp && TIFFFetchByteArray(tif, dp, (uint8*) cp);
break;
- case TIFF_SHORT:
- case TIFF_SSHORT:
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count, sizeof (uint16), mesg);
- ok = cp && TIFFFetchShortArray(tif, dp, (uint16*) cp);
+ case TIFF_SETGET_C32_ASCII:
+ {
+ uint8* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryByteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
break;
- case TIFF_LONG:
- case TIFF_SLONG:
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count, sizeof (uint32), mesg);
- ok = cp && TIFFFetchLongArray(tif, dp, (uint32*) cp);
+ case TIFF_SETGET_C32_UINT8:
+ {
+ uint8* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryByteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
break;
- case TIFF_RATIONAL:
- case TIFF_SRATIONAL:
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count, sizeof (float), mesg);
- ok = cp && TIFFFetchRationalArray(tif, dp, (float*) cp);
+ case TIFF_SETGET_C32_SINT8:
+ {
+ int8* data = NULL;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntrySbyteArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
break;
- case TIFF_FLOAT:
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count, sizeof (float), mesg);
- ok = cp && TIFFFetchFloatArray(tif, dp, (float*) cp);
+ case TIFF_SETGET_C32_UINT16:
+ {
+ uint16* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryShortArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
break;
- case TIFF_DOUBLE:
- cp = (char *)_TIFFCheckMalloc(tif,
- dp->tdir_count, sizeof (double), mesg);
- ok = cp && TIFFFetchDoubleArray(tif, dp, (double*) cp);
+ case TIFF_SETGET_C32_SINT16:
+ {
+ int16* data = NULL;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntrySshortArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
break;
- case TIFF_ASCII:
- case TIFF_UNDEFINED: /* bit of a cheat... */
- /*
- * Some vendors write strings w/o the trailing
- * NULL byte, so always append one just in case.
- */
- cp = (char *)_TIFFCheckMalloc(tif, dp->tdir_count + 1,
- 1, mesg);
- if( (ok = (cp && TIFFFetchString(tif, dp, cp))) != 0 )
- cp[dp->tdir_count] = '\0'; /* XXX */
+ case TIFF_SETGET_C32_UINT32:
+ {
+ uint32* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryLongArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
break;
- }
- if (ok) {
- ok = (fip->field_passcount ?
- TIFFSetField(tif, dp->tdir_tag, dp->tdir_count, cp)
- : TIFFSetField(tif, dp->tdir_tag, cp));
- }
- if (cp != NULL)
- _TIFFfree(cp);
- } else if (CheckDirCount(tif, dp, 1)) { /* singleton value */
- switch (dp->tdir_type) {
- case TIFF_BYTE:
- case TIFF_SBYTE:
- case TIFF_SHORT:
- case TIFF_SSHORT:
- /*
- * If the tag is also acceptable as a LONG or SLONG
- * then TIFFSetField will expect an uint32 parameter
- * passed to it (through varargs). Thus, for machines
- * where sizeof (int) != sizeof (uint32) we must do
- * a careful check here. It's hard to say if this
- * is worth optimizing.
- *
- * NB: We use TIFFFieldWithTag here knowing that
- * it returns us the first entry in the table
- * for the tag and that that entry is for the
- * widest potential data type the tag may have.
- */
- { TIFFDataType type = fip->field_type;
- if (type != TIFF_LONG && type != TIFF_SLONG) {
- uint16 v = (uint16)
- TIFFExtractData(tif, dp->tdir_type, dp->tdir_offset);
- ok = (fip->field_passcount ?
- TIFFSetField(tif, dp->tdir_tag, 1, &v)
- : TIFFSetField(tif, dp->tdir_tag, v));
- break;
- }
+ case TIFF_SETGET_C32_SINT32:
+ {
+ int32* data = NULL;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntrySlongArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
}
- /* fall thru... */
- case TIFF_LONG:
- case TIFF_SLONG:
- { uint32 v32 =
- TIFFExtractData(tif, dp->tdir_type, dp->tdir_offset);
- ok = (fip->field_passcount ?
- TIFFSetField(tif, dp->tdir_tag, 1, &v32)
- : TIFFSetField(tif, dp->tdir_tag, v32));
+ break;
+ case TIFF_SETGET_C32_UINT64:
+ {
+ uint64* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryLong8Array(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
}
break;
- case TIFF_RATIONAL:
- case TIFF_SRATIONAL:
- case TIFF_FLOAT:
- { float v = (dp->tdir_type == TIFF_FLOAT ?
- TIFFFetchFloat(tif, dp)
- : TIFFFetchRational(tif, dp));
- ok = (fip->field_passcount ?
- TIFFSetField(tif, dp->tdir_tag, 1, &v)
- : TIFFSetField(tif, dp->tdir_tag, v));
+ case TIFF_SETGET_C32_SINT64:
+ {
+ int64* data = NULL;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntrySlong8Array(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
}
break;
- case TIFF_DOUBLE:
- { double v;
- ok = (TIFFFetchDoubleArray(tif, dp, &v) &&
- (fip->field_passcount ?
- TIFFSetField(tif, dp->tdir_tag, 1, &v)
- : TIFFSetField(tif, dp->tdir_tag, v))
- );
+ case TIFF_SETGET_C32_FLOAT:
+ {
+ float* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryFloatArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
}
break;
- case TIFF_ASCII:
- case TIFF_UNDEFINED: /* bit of a cheat... */
- { char c[2];
- if( (ok = (TIFFFetchString(tif, dp, c) != 0)) != 0 ) {
- c[1] = '\0'; /* XXX paranoid */
- ok = (fip->field_passcount ?
- TIFFSetField(tif, dp->tdir_tag, 1, c)
- : TIFFSetField(tif, dp->tdir_tag, c));
- }
+ case TIFF_SETGET_C32_DOUBLE:
+ {
+ double* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryDoubleArray(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
}
break;
- }
+ case TIFF_SETGET_C32_IFD8:
+ {
+ uint64* data;
+ assert(fip->field_readcount==TIFF_VARIABLE2);
+ assert(fip->field_passcount==1);
+ err=TIFFReadDirEntryIfd8Array(tif,dp,&data);
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ int m;
+ m=TIFFSetField(tif,dp->tdir_tag,(uint32)(dp->tdir_count),data);
+ if (data!=0)
+ _TIFFfree(data);
+ if (!m)
+ return(0);
+ }
+ }
+ break;
+ default:
+ assert(0); /* we should never get here */
+ break;
}
- return (ok);
-}
-
-#define NITEMS(x) (sizeof (x) / sizeof (x[0]))
-/*
- * Fetch samples/pixel short values for
- * the specified tag and verify that
- * all values are the same.
- */
-static int
-TIFFFetchPerSampleShorts(TIFF* tif, TIFFDirEntry* dir, uint16* pl)
-{
- uint16 samples = tif->tif_dir.td_samplesperpixel;
- int status = 0;
-
- if (CheckDirCount(tif, dir, (uint32) samples)) {
- uint16 buf[10];
- uint16* v = buf;
-
- if (dir->tdir_count > NITEMS(buf))
- v = (uint16*) _TIFFCheckMalloc(tif, dir->tdir_count, sizeof(uint16),
- "to fetch per-sample values");
- if (v && TIFFFetchShortArray(tif, dir, v)) {
- uint16 i;
- int check_count = dir->tdir_count;
- if( samples < check_count )
- check_count = samples;
-
- for (i = 1; i < check_count; i++)
- if (v[i] != v[0]) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "Cannot handle different per-sample values for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- goto bad;
- }
- *pl = v[0];
- status = 1;
- }
- bad:
- if (v && v != buf)
- _TIFFfree(v);
- }
- return (status);
-}
-
-/*
- * Fetch samples/pixel long values for
- * the specified tag and verify that
- * all values are the same.
- */
-static int
-TIFFFetchPerSampleLongs(TIFF* tif, TIFFDirEntry* dir, uint32* pl)
-{
- uint16 samples = tif->tif_dir.td_samplesperpixel;
- int status = 0;
-
- if (CheckDirCount(tif, dir, (uint32) samples)) {
- uint32 buf[10];
- uint32* v = buf;
-
- if (dir->tdir_count > NITEMS(buf))
- v = (uint32*) _TIFFCheckMalloc(tif, dir->tdir_count, sizeof(uint32),
- "to fetch per-sample values");
- if (v && TIFFFetchLongArray(tif, dir, v)) {
- uint16 i;
- int check_count = dir->tdir_count;
-
- if( samples < check_count )
- check_count = samples;
- for (i = 1; i < check_count; i++)
- if (v[i] != v[0]) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "Cannot handle different per-sample values for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- goto bad;
- }
- *pl = v[0];
- status = 1;
- }
- bad:
- if (v && v != buf)
- _TIFFfree(v);
- }
- return (status);
-}
-
-/*
- * Fetch samples/pixel ANY values for the specified tag and verify that all
- * values are the same.
- */
-static int
-TIFFFetchPerSampleAnys(TIFF* tif, TIFFDirEntry* dir, double* pl)
-{
- uint16 samples = tif->tif_dir.td_samplesperpixel;
- int status = 0;
-
- if (CheckDirCount(tif, dir, (uint32) samples)) {
- double buf[10];
- double* v = buf;
-
- if (dir->tdir_count > NITEMS(buf))
- v = (double*) _TIFFCheckMalloc(tif, dir->tdir_count, sizeof (double),
- "to fetch per-sample values");
- if (v && TIFFFetchAnyArray(tif, dir, v)) {
- uint16 i;
- int check_count = dir->tdir_count;
- if( samples < check_count )
- check_count = samples;
-
- for (i = 1; i < check_count; i++)
- if (v[i] != v[0]) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "Cannot handle different per-sample values for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- goto bad;
- }
- *pl = v[0];
- status = 1;
- }
- bad:
- if (v && v != buf)
- _TIFFfree(v);
- }
- return (status);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",recover);
+ return(0);
+ }
+ return(1);
}
-#undef NITEMS
/*
* Fetch a set of offsets or lengths.
* While this routine says "strips", in fact it's also used for tiles.
*/
static int
-TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, long nstrips, uint32** lpp)
+TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32 nstrips, uint64** lpp)
{
- register uint32* lp;
- int status;
-
- CheckDirCount(tif, dir, (uint32) nstrips);
-
- /*
- * Allocate space for strip information.
- */
- if (*lpp == NULL &&
- (*lpp = (uint32 *)_TIFFCheckMalloc(tif,
- nstrips, sizeof (uint32), "for strip array")) == NULL)
- return (0);
- lp = *lpp;
- _TIFFmemset( lp, 0, sizeof(uint32) * nstrips );
-
- if (dir->tdir_type == (int)TIFF_SHORT) {
- /*
- * Handle uint16->uint32 expansion.
- */
- uint16* dp = (uint16*) _TIFFCheckMalloc(tif,
- dir->tdir_count, sizeof (uint16), "to fetch strip tag");
- if (dp == NULL)
- return (0);
- if( (status = TIFFFetchShortArray(tif, dir, dp)) != 0 ) {
- int i;
-
- for( i = 0; i < nstrips && i < (int) dir->tdir_count; i++ )
- {
- lp[i] = dp[i];
- }
+ static const char module[] = "TIFFFetchStripThing";
+ enum TIFFReadDirEntryErr err;
+ uint64* data;
+ err=TIFFReadDirEntryLong8Array(tif,dir,&data);
+ if (err!=TIFFReadDirEntryErrOk)
+ {
+ const TIFFField* fip = TIFFFieldWithTag(tif,dir->tdir_tag);
+ TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);
+ return(0);
+ }
+ if (dir->tdir_count!=(uint64)nstrips)
+ {
+ uint64* resizeddata;
+ resizeddata=(uint64*)_TIFFCheckMalloc(tif,nstrips,sizeof(uint64),"for strip array");
+ if (resizeddata==0) {
+ _TIFFfree(data);
+ return(0);
}
- _TIFFfree((char*) dp);
-
- } else if( nstrips != (int) dir->tdir_count ) {
- /* Special case to correct length */
-
- uint32* dp = (uint32*) _TIFFCheckMalloc(tif,
- dir->tdir_count, sizeof (uint32), "to fetch strip tag");
- if (dp == NULL)
- return (0);
-
- status = TIFFFetchLongArray(tif, dir, dp);
- if( status != 0 ) {
- int i;
-
- for( i = 0; i < nstrips && i < (int) dir->tdir_count; i++ )
- {
- lp[i] = dp[i];
- }
- }
-
- _TIFFfree( (char *) dp );
- } else
- status = TIFFFetchLongArray(tif, dir, lp);
-
- return (status);
-}
-
-/*
- * Fetch and set the RefBlackWhite tag.
- */
-static int
-TIFFFetchRefBlackWhite(TIFF* tif, TIFFDirEntry* dir)
-{
- static const char mesg[] = "for \"ReferenceBlackWhite\" array";
- char* cp;
- int ok;
-
- if (dir->tdir_type == TIFF_RATIONAL)
- return (TIFFFetchNormalTag(tif, dir));
- /*
- * Handle LONG's for backward compatibility.
- */
- cp = (char *)_TIFFCheckMalloc(tif, dir->tdir_count,
- sizeof (uint32), mesg);
- if( (ok = (cp && TIFFFetchLongArray(tif, dir, (uint32*) cp))) != 0) {
- float* fp = (float*)
- _TIFFCheckMalloc(tif, dir->tdir_count, sizeof (float), mesg);
- if( (ok = (fp != NULL)) != 0 ) {
- uint32 i;
- for (i = 0; i < dir->tdir_count; i++)
- fp[i] = (float)((uint32*) cp)[i];
- ok = TIFFSetField(tif, dir->tdir_tag, fp);
- _TIFFfree((char*) fp);
+ if (dir->tdir_count<(uint64)nstrips)
+ {
+ _TIFFmemcpy(resizeddata,data,(uint32)dir->tdir_count*sizeof(uint64));
+ _TIFFmemset(resizeddata+(uint32)dir->tdir_count,0,(nstrips-(uint32)dir->tdir_count)*sizeof(uint64));
}
+ else
+ _TIFFmemcpy(resizeddata,data,nstrips*sizeof(uint64));
+ _TIFFfree(data);
+ data=resizeddata;
}
- if (cp)
- _TIFFfree(cp);
- return (ok);
+ *lpp=data;
+ return(1);
}
/*
static int
TIFFFetchSubjectDistance(TIFF* tif, TIFFDirEntry* dir)
{
- uint32 l[2];
- float v;
- int ok = 0;
-
- if( dir->tdir_count != 1 || dir->tdir_type != TIFF_RATIONAL )
- {
- TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
- "incorrect count or type for SubjectDistance, tag ignored" );
- return (0);
- }
-
- if (TIFFFetchData(tif, dir, (char *)l)
- && cvtRational(tif, dir, l[0], l[1], &v)) {
- /*
- * XXX: Numerator 0xFFFFFFFF means that we have infinite
- * distance. Indicate that with a negative floating point
- * SubjectDistance value.
- */
- ok = TIFFSetField(tif, dir->tdir_tag,
- (l[0] != 0xFFFFFFFF) ? v : -v);
+ static const char module[] = "TIFFFetchSubjectDistance";
+ enum TIFFReadDirEntryErr err;
+ UInt64Aligned_t m;
+ m.l=0;
+ assert(sizeof(double)==8);
+ assert(sizeof(uint64)==8);
+ assert(sizeof(uint32)==4);
+ if (dir->tdir_count!=1)
+ err=TIFFReadDirEntryErrCount;
+ else if (dir->tdir_type!=TIFF_RATIONAL)
+ err=TIFFReadDirEntryErrType;
+ else
+ {
+ if (!(tif->tif_flags&TIFF_BIGTIFF))
+ {
+ uint32 offset;
+ offset=*(uint32*)(&dir->tdir_offset);
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabLong(&offset);
+ err=TIFFReadDirEntryData(tif,offset,8,m.i);
+ }
+ else
+ {
+ m.l=dir->tdir_offset.toff_long8;
+ err=TIFFReadDirEntryErrOk;
+ }
+ }
+ if (err==TIFFReadDirEntryErrOk)
+ {
+ double n;
+ if (tif->tif_flags&TIFF_SWAB)
+ TIFFSwabArrayOfLong(m.i,2);
+ if (m.i[0]==0)
+ n=0.0;
+ else if (m.i[0]==0xFFFFFFFF)
+ /*
+ * XXX: Numerator 0xFFFFFFFF means that we have infinite
+ * distance. Indicate that with a negative floating point
+ * SubjectDistance value.
+ */
+ n=-1.0;
+ else
+ n=(double)m.i[0]/(double)m.i[1];
+ return(TIFFSetField(tif,dir->tdir_tag,n));
+ }
+ else
+ {
+ TIFFReadDirEntryOutputErr(tif,err,module,"SubjectDistance",TRUE);
+ return(0);
}
-
- return ok;
}
/*
ChopUpSingleUncompressedStrip(TIFF* tif)
{
register TIFFDirectory *td = &tif->tif_dir;
- uint32 bytecount = td->td_stripbytecount[0];
- uint32 offset = td->td_stripoffset[0];
- tsize_t rowbytes = TIFFVTileSize(tif, 1), stripbytes;
- tstrip_t strip, nstrips, rowsperstrip;
- uint32* newcounts;
- uint32* newoffsets;
+ uint64 bytecount;
+ uint64 offset;
+ uint32 rowblock;
+ uint64 rowblockbytes;
+ uint64 stripbytes;
+ uint32 strip;
+ uint64 nstrips64;
+ uint32 nstrips32;
+ uint32 rowsperstrip;
+ uint64* newcounts;
+ uint64* newoffsets;
+ bytecount = td->td_stripbytecount[0];
+ offset = td->td_stripoffset[0];
+ assert(td->td_planarconfig == PLANARCONFIG_CONTIG);
+ if ((td->td_photometric == PHOTOMETRIC_YCBCR)&&
+ (!isUpSampled(tif)))
+ rowblock = td->td_ycbcrsubsampling[1];
+ else
+ rowblock = 1;
+ rowblockbytes = TIFFVTileSize64(tif, rowblock);
/*
* Make the rows hold at least one scanline, but fill specified amount
* of data if possible.
*/
- if (rowbytes > STRIP_SIZE_DEFAULT) {
- stripbytes = rowbytes;
- rowsperstrip = 1;
- } else if (rowbytes > 0 ) {
- rowsperstrip = STRIP_SIZE_DEFAULT / rowbytes;
- stripbytes = rowbytes * rowsperstrip;
+ if (rowblockbytes > STRIP_SIZE_DEFAULT) {
+ stripbytes = rowblockbytes;
+ rowsperstrip = rowblock;
+ } else if (rowblockbytes > 0 ) {
+ uint32 rowblocksperstrip;
+ rowblocksperstrip = (uint32) (STRIP_SIZE_DEFAULT / rowblockbytes);
+ rowsperstrip = rowblocksperstrip * rowblock;
+ stripbytes = rowblocksperstrip * rowblockbytes;
}
- else
- return;
+ else
+ return;
- /*
+ /*
* never increase the number of strips in an image
*/
if (rowsperstrip >= td->td_rowsperstrip)
return;
- nstrips = (tstrip_t) TIFFhowmany(bytecount, stripbytes);
- if( nstrips == 0 ) /* something is wonky, do nothing. */
- return;
+ nstrips64 = TIFFhowmany_64(bytecount, stripbytes);
+ if ((nstrips64==0)||(nstrips64>0xFFFFFFFF)) /* something is wonky, do nothing. */
+ return;
+ nstrips32 = (uint32)nstrips64;
- newcounts = (uint32*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint32),
+ newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips32, sizeof (uint64),
"for chopped \"StripByteCounts\" array");
- newoffsets = (uint32*) _TIFFCheckMalloc(tif, nstrips, sizeof (uint32),
+ newoffsets = (uint64*) _TIFFCheckMalloc(tif, nstrips32, sizeof (uint64),
"for chopped \"StripOffsets\" array");
if (newcounts == NULL || newoffsets == NULL) {
- /*
+ /*
* Unable to allocate new strip information, give up and use
* the original one strip information.
*/
* Fill the strip information arrays with new bytecounts and offsets
* that reflect the broken-up format.
*/
- for (strip = 0; strip < nstrips; strip++) {
- if ((uint32)stripbytes > bytecount)
+ for (strip = 0; strip < nstrips32; strip++) {
+ if (stripbytes > bytecount)
stripbytes = bytecount;
newcounts[strip] = stripbytes;
newoffsets[strip] = offset;
/*
* Replace old single strip info with multi-strip info.
*/
- td->td_stripsperimage = td->td_nstrips = nstrips;
+ td->td_stripsperimage = td->td_nstrips = nstrips32;
TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
_TIFFfree(td->td_stripbytecount);
td->td_stripbytecountsorted = 1;
}
+int _TIFFFillStriles( TIFF *tif )
+{
+#if defined(DEFER_STRILE_LOAD)
+ register TIFFDirectory *td = &tif->tif_dir;
+ int return_value = 1;
+
+ if( td->td_stripoffset != NULL )
+ return 1;
+
+ if( td->td_stripoffset_entry.tdir_count == 0 )
+ return 0;
+
+ if (!TIFFFetchStripThing(tif,&(td->td_stripoffset_entry),
+ td->td_nstrips,&td->td_stripoffset))
+ {
+ return_value = 0;
+ }
+
+ if (!TIFFFetchStripThing(tif,&(td->td_stripbytecount_entry),
+ td->td_nstrips,&td->td_stripbytecount))
+ {
+ return_value = 0;
+ }
+
+ _TIFFmemset( &(td->td_stripoffset_entry), 0, sizeof(TIFFDirEntry));
+ _TIFFmemset( &(td->td_stripbytecount_entry), 0, sizeof(TIFFDirEntry));
+
+ if (tif->tif_dir.td_nstrips > 1 && return_value == 1 ) {
+ uint32 strip;
+
+ tif->tif_dir.td_stripbytecountsorted = 1;
+ for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {
+ if (tif->tif_dir.td_stripoffset[strip - 1] >
+ tif->tif_dir.td_stripoffset[strip]) {
+ tif->tif_dir.td_stripbytecountsorted = 0;
+ break;
+ }
+ }
+ }
+
+ return return_value;
+#else /* !defined(DEFER_STRILE_LOAD) */
+ (void) tif;
+ return 1;
+#endif
+}
+
+
/* vim: set ts=8 sts=8 sw=8 noet: */
/*
* Local Variables:
projects / reactos.git / blobdiff