XFA: Upgrade to libtiff 4.0.6.

R=jun_fang@foxitsoftware.com, tsepez@chromium.org

Review URL: https://codereview.chromium.org/1563103002 .

1 files changed, 0 insertions, 5614 deletions

diff --git a/third_party/tiff_v403/tif_dirread.c b/third_party/tiff_v403/tif_dirread.c
deleted file mode 100644
index b9e4ffae09..0000000000
--- a/third_party/tiff_v403/tif_dirread.c
+++ /dev/null
@@ -1,5614 +0,0 @@
-/* $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
- * 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.
- *
- * 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
- * OF THIS SOFTWARE.
- */
-
-/*
- * TIFF Library.
- *
- * 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 FAILED_FII    ((uint32) -1)
-
-#ifdef HAVE_IEEEFP
-# define TIFFCvtIEEEFloatToNative(tif, n, fp)
-# define TIFFCvtIEEEDoubleToNative(tif, n, dp)
-#else
-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 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;
-
-/*
-  Unaligned safe copy of a uint64 value from an octet array.
-*/
-static uint64 TIFFReadUInt64(const uint8 *value)
-{
-	UInt64Aligned_t result;
-
-	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];
-
-	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++;
-        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);
-
-        /*
-         * 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);
-	/*
-	 * Electronic Arts writes gray-scale TIFF files
-	 * without a PlanarConfiguration directory entry.
-	 * Thus we setup a default value here, even though
-	 * the TIFF spec says there is no default value.
-	 */
-	TIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG);
-	/*
-	 * 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 because older TIFF specs permited Compression
-	 * to be written as a SamplesPerPixel-count tag entry.
-	 * Thus if we don't first figure out the correct 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).
-	 */
-	dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_SAMPLESPERPIXEL);
-	if (dp)
-	{
-		if (!TIFFFetchNormalTag(tif,dp,0))
-			goto bad;
-		dp->tdir_tag=IGNORE;
-	}
-	dp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_COMPRESSION);
-	if (dp)
-	{
-		/*
-		 * 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.
-		 */
-		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;
-	}
-	/*
-	 * First real pass over the directory.
-	 */
-	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)) {
-					TIFFWarningExt(tif->tif_clientdata,
-					    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);
-				}
-			}
-		}
-		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,
-	 * c) strip offsets/bytecounts tag are both present and
-	 * d) both contain exactly one value, then we consistently find
-	 * that the buggy implementation of the buggy compression scheme
-	 * matches contig planarconfig best. So we 'fix-up' the tag here
-	 */
-	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");
-		goto bad;
-	}
-	/*
-	 * Setup appropriate structures (by strip or by tile)
-	 */
-	if (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) {
-		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 {
-		tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);
-		tif->tif_flags |= TIFF_ISTILED;
-	}
-	if (!tif->tif_dir.td_nstrips) {
-		TIFFErrorExt(tif->tif_clientdata, module,
-		    "Cannot handle zero number of %s",
-		    isTiled(tif) ? "tiles" : "strips");
-		goto bad;
-	}
-	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 ((tif->tif_dir.td_compression==COMPRESSION_OJPEG) &&
-		    (isTiled(tif)==0) &&
-		    (tif->tif_dir.td_nstrips==1)) {
-			/*
-			 * XXX: OJPEG hack.
-			 * If a) compression is OJPEG, b) it's not a tiled TIFF,
-			 * and c) the number of strips is 1,
-			 * then we tolerate the absence of stripoffsets tag,
-			 * because, presumably, all required data is in the
-			 * JpegInterchangeFormat stream.
-			 */
-			TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);
-		} else {
-			MissingRequired(tif,
-				isTiled(tif) ? "TileOffsets" : "StripOffsets");
-			goto bad;
-		}
-	}
-	/*
-	 * Second pass: extract other information.
-	 */
-	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:
-				/*
-				 * 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.
-				 */
-				{
-					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;
-				}
-				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;
-					}
-					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_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 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;
-/* END REV 4.0 COMPATIBILITY */
-			default:
-				(void) TIFFFetchNormalTag(tif, dp, TRUE);
-				break;
-		}
-	}
-	/*
-	 * OJPEG hack:
-	 * - If a) compression is OJPEG, and b) photometric tag is missing,
-	 * then we consistently find that photometric should be YCbCr
-	 * - If a) compression is OJPEG, and b) photometric tag says it's RGB,
-	 * then we consistently find that the buggy implementation of the
-	 * buggy compression scheme matches photometric YCbCr instead.
-	 * - If a) compression is OJPEG, and b) bitspersample tag is missing,
-	 * then we consistently find bitspersample should be 8.
-	 * - If a) compression is OJPEG, b) samplesperpixel tag is missing,
-	 * and c) photometric is RGB or YCbCr, then we consistently find
-	 * samplesperpixel should be 3
-	 * - If a) compression is OJPEG, b) samplesperpixel tag is missing,
-	 * and c) photometric is MINISWHITE or MINISBLACK, then we consistently
-	 * find samplesperpixel should be 3
-	 */
-	if (tif->tif_dir.td_compression==COMPRESSION_OJPEG)
-	{
-		if (!TIFFFieldSet(tif,FIELD_PHOTOMETRIC))
-		{
-			TIFFWarningExt(tif->tif_clientdata, module,
-			    "Photometric tag is missing, assuming data is YCbCr");
-			if (!TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,PHOTOMETRIC_YCBCR))
-				goto bad;
-		}
-		else if (tif->tif_dir.td_photometric==PHOTOMETRIC_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,module,
-			    "BitsPerSample tag is missing, assuming 8 bits per sample");
-			if (!TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,8))
-				goto bad;
-		}
-		if (!TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))
-		{
-			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,module,
-				    "SamplesPerPixel tag is missing, "
-				    "applying correct SamplesPerPixel value of 3");
-				if (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))
-					goto bad;
-			}
-			else if ((tif->tif_dir.td_photometric==PHOTOMETRIC_MINISWHITE)
-				 || (tif->tif_dir.td_photometric==PHOTOMETRIC_MINISBLACK))
-			{
-				/*
-				 * 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 (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&
-	    !TIFFFieldSet(tif, FIELD_COLORMAP)) {
-		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 (tif->tif_dir.td_compression!=COMPRESSION_OJPEG)
-	{
-		/*
-		 * Attempt to deal with a missing StripByteCounts tag.
-		 */
-		if (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) {
-			/*
-			 * Some manufacturers violate the spec by not giving
-			 * the size of the strips.  In this case, assume there
-			 * is one uncompressed strip of data.
-			 */
-			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,
-				"TIFF directory is missing required "
-				"\"StripByteCounts\" field, calculating from imagelength");
-			if (EstimateStripByteCounts(tif, dir, dircount) < 0)
-			    goto bad;
-		/*
-		 * Assume we have wrong StripByteCount value (in case
-		 * of single strip) in following cases:
-		 *   - it is equal to zero along with StripOffset;
-		 *   - it is larger than file itself (in case of uncompressed
-		 *     image);
-		 *   - it is smaller than the size of the bytes per row
-		 *     multiplied on the number of rows.  The last case should
-		 *     not be checked in the case of writing new image,
-		 *     because we may do not know the exact strip size
-		 *     until the whole image will be written and directory
-		 *     dumped out.
-		 */
-		#define	BYTECOUNTLOOKSBAD \
-		    ( (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 && \
-		       tif->tif_dir.td_compression == COMPRESSION_NONE && \
-		       tif->tif_dir.td_stripbytecount[0] < TIFFScanlineSize64(tif) * tif->tif_dir.td_imagelength) )
-
-		} 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
-			 * zero for a tag when they don't know what the
-			 * correct value is!  Try and handle the simple case
-			 * of estimating the size of a one strip image.
-			 */
-			TIFFWarningExt(tif->tif_clientdata, module,
-			    "Bogus \"StripByteCounts\" field, ignoring and calculating from imagelength");
-			if(EstimateStripByteCounts(tif, dir, dircount) < 0)
-			    goto bad;
-
-#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.
-                         *
-                         * 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,
-			    "Wrong \"StripByteCounts\" field, ignoring and calculating from imagelength");
-			if (EstimateStripByteCounts(tif, dir, dircount) < 0)
-			    goto bad;
-#endif /* !defined(DEFER_STRILE_LOAD) */                        
-		}
-	}
-	if (dir)
-	{
-		_TIFFfree(dir);
-		dir=NULL;
-	}
-	if (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE))
-	{
-		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 !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);
-
-	/*
-	 * Some manufacturers make life difficult by writing
-	 * large amounts of uncompressed data as a single strip.
-	 * This is contrary to the recommendations of the spec.
-	 * The following makes an attempt at breaking such images
-	 * into strips closer to the recommended 8k bytes.  A
-	 * side effect, however, is that the RowsPerStrip tag
-	 * value may be changed.
-	 */
-	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 = (uint32) -1;
-	tif->tif_col = (uint32) -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,
-		    "Cannot handle zero scanline size");
-		return (0);
-	}
-
-	if (isTiled(tif)) {
-		tif->tif_tilesize = TIFFTileSize(tif);
-		if (!tif->tif_tilesize) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			     "Cannot handle zero tile size");
-			return (0);
-		}
-	} else {
-		if (!TIFFStripSize(tif)) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-			    "Cannot handle zero strip size");
-			return (0);
-		}
-	}
-	return (1);
-bad:
-	if (dir)
-		_TIFFfree(dir);
-	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*
-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(m);
-	}
-	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 TIFFFieldArray* infoarray)
-{
-	static const char module[] = "TIFFReadCustomDirectory";
-	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));
-	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,
-			    "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);
-				dp->tdir_tag=IGNORE;
-			} else {
-				TIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);
-				assert( fii != FAILED_FII );
-			}
-		}
-		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;
-			}
-		}
-	}
-	if (dir)
-		_TIFFfree(dir);
-	return 1;
-}
-
-/*
- * EXIF is important special case of custom IFD, so we have a special
- * function to read it.
- */
-int
-TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff)
-{
-	const TIFFFieldArray* exifFieldArray;
-	exifFieldArray = _TIFFGetExifFields();
-	return TIFFReadCustomDirectory(tif, diroff, exifFieldArray);  
-}
-
-static int
-EstimateStripByteCounts(TIFF* tif, TIFFDirEntry* dir, uint16 dircount)
-{
-	static const char module[] = "EstimateStripByteCounts";
-
-	TIFFDirEntry *dp;
-	TIFFDirectory *td = &tif->tif_dir;
-	uint32 strip;
-
-    _TIFFFillStriles( tif );
-
-	if (td->td_stripbytecount)
-		_TIFFfree(td->td_stripbytecount);
-	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) {
-		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 typewidth = TIFFDataWidth((TIFFDataType) dp->tdir_type);
-			uint64 datasize;
-			typewidth = TIFFDataWidth((TIFFDataType) dp->tdir_type);
-			if (typewidth == 0) {
-				TIFFErrorExt(tif->tif_clientdata, module,
-				    "Cannot determine size of unknown tag type %d",
-				    dp->tdir_type);
-				return -1;
-			}
-			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)
-			space /= td->td_samplesperpixel;
-		for (strip = 0; strip < td->td_nstrips; strip++)
-			td->td_stripbytecount[strip] = space;
-		/*
-		 * This gross hack handles the case were the offset to
-		 * the last strip is past the place where we think the strip
-		 * 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 (td->td_stripoffset[strip]+td->td_stripbytecount[strip] > filesize)
-			td->td_stripbytecount[strip] = filesize - td->td_stripoffset[strip];
-	} else if (isTiled(tif)) {
-		uint64 bytespertile = TIFFTileSize64(tif);
-
-		for (strip = 0; strip < td->td_nstrips; strip++)
-		    td->td_stripbytecount[strip] = bytespertile;
-	} else {
-		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;
-	}
-	TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);
-	if (!TIFFFieldSet(tif, FIELD_ROWSPERSTRIP))
-		td->td_rowsperstrip = td->td_imagelength;
-	return 1;
-}
-
-static void
-MissingRequired(TIFF* tif, const char* tagname)
-{
-	static const char module[] = "MissingRequired";
-
-	TIFFErrorExt(tif->tif_clientdata, module,
-	    "TIFF directory is missing required \"%s\" field",
-	    tagname);
-}
-
-/*
- * Check the directory offset against the list of already seen directory
- * offsets. This is a trick to prevent IFD looping. The one can create TIFF
- * file with looped directory pointers. We will maintain a list of already
- * seen directories and check every IFD offset against that list.
- */
-static int
-TIFFCheckDirOffset(TIFF* tif, uint64 diroff)
-{
-	uint16 n;
-
-	if (diroff == 0)			/* no more directories */
-		return 0;
-
-	for (n = 0; n < tif->tif_dirnumber && tif->tif_dirlist; n++) {
-		if (tif->tif_dirlist[n] == diroff)
-			return 0;
-	}
-
-	tif->tif_dirnumber++;
-
-	if (tif->tif_dirnumber > tif->tif_dirlistsize) {
-		uint64* new_dirlist;
-
-		/*
-		 * XXX: Reduce memory allocation granularity of the dirlist
-		 * array.
-		 */
-		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;
-		tif->tif_dirlist = new_dirlist;
-	}
-
-	tif->tif_dirlist[tif->tif_dirnumber - 1] = diroff;
-
-	return 1;
-}
-
-/*
- * Check the count field of a directory entry against a known value.  The
- * caller is expected to skip/ignore the tag if there is a mismatch.
- */
-static int
-CheckDirCount(TIFF* tif, TIFFDirEntry* dir, uint32 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\" (" TIFF_UINT64_FORMAT ", expecting %u); tag ignored",
-		    fip ? fip->field_name : "unknown tagname",
-		    dir->tdir_count, count);
-		return (0);
-	} 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\" (" 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);
-}
-
-/*
- * Read IFD structure from the specified offset. If the pointer to
- * nextdiroff variable has been specified, read it too. Function returns a
- * number of fields in the directory or 0 if failed.
- */
-static uint16
-TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir,
-                   uint64 *nextdiroff)
-{
-	static const char module[] = "TIFFFetchDirectory";
-
-	void* origdir;
-	uint16 dircount16;
-	uint32 dirsize;
-	TIFFDirEntry* dir;
-	uint8* ma;
-	TIFFDirEntry* mb;
-	uint16 n;
-
-	assert(pdir);
-
-	tif->tif_diroff = diroff;
-	if (nextdiroff)
-		*nextdiroff = 0;
-	if (!isMapped(tif)) {
-		if (!SeekOK(tif, tif->tif_diroff)) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-				"%s: Seek error accessing TIFF directory",
-				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;
-		}
-		origdir = _TIFFCheckMalloc(tif, dircount16,
-		    dirsize, "to read TIFF directory");
-		if (origdir == NULL)
-			return 0;
-		if (!ReadOK(tif, origdir, (tmsize_t)(dircount16*dirsize))) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-				"%.100s: Can not read TIFF directory",
-				tif->tif_name);
-			_TIFFfree(origdir);
-			return 0;
-		}
-		/*
-		 * Read offset to next directory for sequential scans if
-		 * needed.
-		 */
-		if (nextdiroff)
-		{
-			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 {
-		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,
-		 * otherwise a very high offset may cause an OOB read and
-		 * crash the client. Make two comparisons instead of
-		 *
-		 *  off + sizeof(uint16) > tif->tif_size
-		 *
-		 * to avoid overflow.
-		 */
-		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,
-			             "Sanity check on directory count failed, zero tag directories not supported");
-			return 0;
-		}
-		origdir = _TIFFCheckMalloc(tif, dircount16,
-						dirsize,
-						"to read TIFF directory");
-		if (origdir == NULL)
-			return 0;
-		m=off+dircount16*dirsize;
-		if ((m<off)||(m<(tmsize_t)(dircount16*dirsize))||(m>tif->tif_size)) {
-			TIFFErrorExt(tif->tif_clientdata, module,
-				     "Can not read TIFF directory");
-			_TIFFfree(origdir);
-			return 0;
-		} else {
-			_TIFFmemcpy(origdir, tif->tif_base + off,
-				    dircount16 * dirsize);
-		}
-		if (nextdiroff) {
-			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);
-			}
-		}
-	}
-	dir = (TIFFDirEntry*)_TIFFCheckMalloc(tif, dircount16,
-						sizeof(TIFFDirEntry),
-						"to read TIFF directory");
-	if (dir==0)
-	{
-		_TIFFfree(origdir);
-		return 0;
-	}
-	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);
-		}
-		else
-		{
-			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++;
-	}
-	_TIFFfree(origdir);
-	*pdir = dir;
-	return dircount16;
-}
-
-/*
- * Fetch a tag that is not handled by special case code.
- */
-static int
-TIFFFetchNormalTag(TIFF* tif, TIFFDirEntry* dp, int recover)
-{
-	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);
-				}
-			}
-			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);
-				}
-			}
-			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:
-			{
-				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);
-					}
-				}
-			}
-			break;
-		case TIFF_SETGET_C16_DOUBLE:
-			{
-				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);
-					}
-				}
-			}
-			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);
-					}
-				}
-			}
-			break;
-		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_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_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_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_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_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;
-		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);
-				}
-			}
-			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_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_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_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;
-	}
-	if (err!=TIFFReadDirEntryErrOk)
-	{
-		TIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",recover);
-		return(0);
-	}
-	return(1);
-}
-
-/*
- * 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, uint32 nstrips, uint64** lpp)
-{
-	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);
-		}
-		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;
-	}
-	*lpp=data;
-	return(1);
-}
-
-/*
- * Fetch and set the SubjectDistance EXIF tag.
- */
-static int
-TIFFFetchSubjectDistance(TIFF* tif, TIFFDirEntry* dir)
-{
-	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);
-	}
-}
-
-/*
- * Replace a single strip (tile) of uncompressed data by multiple strips
- * (tiles), each approximately STRIP_SIZE_DEFAULT bytes. This is useful for
- * dealing with large images or for dealing with machines with a limited
- * amount memory.
- */
-static void
-ChopUpSingleUncompressedStrip(TIFF* tif)
-{
-	register TIFFDirectory *td = &tif->tif_dir;
-	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 (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;
-
-	/*
-	 * never increase the number of strips in an image
-	 */
-	if (rowsperstrip >= td->td_rowsperstrip)
-		return;
-	nstrips64 = TIFFhowmany_64(bytecount, stripbytes);
-	if ((nstrips64==0)||(nstrips64>0xFFFFFFFF)) /* something is wonky, do nothing. */
-	    return;
-	nstrips32 = (uint32)nstrips64;
-
-	newcounts = (uint64*) _TIFFCheckMalloc(tif, nstrips32, sizeof (uint64),
-				"for chopped \"StripByteCounts\" array");
-	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.
-		 */
-		if (newcounts != NULL)
-			_TIFFfree(newcounts);
-		if (newoffsets != NULL)
-			_TIFFfree(newoffsets);
-		return;
-	}
-	/*
-	 * Fill the strip information arrays with new bytecounts and offsets
-	 * that reflect the broken-up format.
-	 */
-	for (strip = 0; strip < nstrips32; strip++) {
-		if (stripbytes > bytecount)
-			stripbytes = bytecount;
-		newcounts[strip] = stripbytes;
-		newoffsets[strip] = offset;
-		offset += stripbytes;
-		bytecount -= stripbytes;
-	}
-	/*
-	 * Replace old single strip info with multi-strip info.
-	 */
-	td->td_stripsperimage = td->td_nstrips = nstrips32;
-	TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
-
-	_TIFFfree(td->td_stripbytecount);
-	_TIFFfree(td->td_stripoffset);
-	td->td_stripbytecount = newcounts;
-	td->td_stripoffset = newoffsets;
-	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:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
-