tools/tiffcp.c:903: error: Integer Overflow L2
  ([0, 4294967294] + [0, 4294967294]):unsigned32 by call to `TIFFSetDirectory`.

tools/tiffcp.c:861:22: Call
859. {
860. 	if (spp == 1) {
861. 		tsize_t biasSize = TIFFScanlineSize(bias);
                          ^
862. 		tsize_t bufSize = TIFFScanlineSize(in);
863. 		tdata_t buf, biasBuf;

libtiff/tif_strip.c:321:1: Parameter `tif->tif_dir.td_imagewidth`
  319. 	return(scanline_size);
  320. }
  321. tmsize_t
       ^
  322. TIFFScanlineSize(TIFF* tif)
  323. {

libtiff/tif_strip.c:327:4: Call
  325. 	uint64 m;
  326. 	tmsize_t n;
  327. 	m=TIFFScanlineSize64(tif);
          ^
  328. 	n=(tmsize_t)m;
  329. 	if ((uint64)n!=m)

libtiff/tif_strip.c:271:1: Parameter `tif->tif_dir.td_imagewidth`
    269.  * sense when multiplied by a multiple of vertical subsampling.
    270.  */
    271. uint64
         ^
    272. TIFFScanlineSize64(TIFF* tif)
    273. {

tools/tiffcp.c:903:5: Call
901. 				_TIFFfree(buf);
902. 				_TIFFfree(biasBuf);
903. 				TIFFSetDirectory(bias,
         ^
904. 				    TIFFCurrentDirectory(bias)); /* rewind */
905. 				return 1;

libtiff/tif_dir.c:1372:1: Parameter `tif->tif_dir.td_imagewidth`
  1370.  * NB: Directories are numbered starting at 0.
  1371.  */
  1372. int
        ^
  1373. TIFFSetDirectory(TIFF* tif, uint16 dirn)
  1374. {

libtiff/tif_dir.c:1397:10: Call
  1395. 	 */
  1396. 	tif->tif_dirnumber = 0;
  1397. 	return (TIFFReadDirectory(tif));
                 ^
  1398. }
  1399. 

libtiff/tif_dirread.c:3404:1: Parameter `tif->tif_dir.td_imagewidth`
    3402.  * format. We read directories sequentially.
    3403.  */
    3404. int
          ^
    3405. TIFFReadDirectory(TIFF* tif)
    3406. {

libtiff/tif_dirread.c:3600:29: Call
    3598. 		tif->tif_flags &= ~TIFF_ISTILED;
    3599. 	} else {
    3600. 		tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);
                                      ^
    3601. 		tif->tif_flags |= TIFF_ISTILED;
    3602. 	}

libtiff/tif_tile.c:114:1: <LHS trace>
112.  * Compute how many tiles are in an image.
113.  */
114. uint32
     ^
115. TIFFNumberOfTiles(TIFF* tif)
116. {

libtiff/tif_tile.c:114:1: Parameter `tif->tif_dir.td_imagewidth`
      112.  * Compute how many tiles are in an image.
      113.  */
      114. uint32
           ^
      115. TIFFNumberOfTiles(TIFF* tif)
      116. {

libtiff/tif_tile.c:114:1: <RHS trace>
112.  * Compute how many tiles are in an image.
113.  */
114. uint32
     ^
115. TIFFNumberOfTiles(TIFF* tif)
116. {

libtiff/tif_tile.c:114:1: Parameter `tif->tif_dir.td_imagewidth`
      112.  * Compute how many tiles are in an image.
      113.  */
      114. uint32
           ^
      115. TIFFNumberOfTiles(TIFF* tif)
      116. {

libtiff/tif_tile.c:130:48: Binary operation: ([0, 4294967294] + [0, 4294967294]):unsigned32 by call to `TIFFSetDirectory` 
      128. 		dz = td->td_imagedepth;
      129. 	ntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :
      130. 	    _TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),
                                                          ^
      131. 	    TIFFhowmany_32(td->td_imagelength, dy),
      132. 	    "TIFFNumberOfTiles"),

uint32
TIFFNumberOfTiles(TIFF* tif)
{
	TIFFDirectory *td = &tif->tif_dir;
	uint32 dx = td->td_tilewidth;
	uint32 dy = td->td_tilelength;
	uint32 dz = td->td_tiledepth;
	uint32 ntiles;
	if (dx == (uint32) -1)
		dx = td->td_imagewidth;
	if (dy == (uint32) -1)
		dy = td->td_imagelength;
	if (dz == (uint32) -1)
		dz = td->td_imagedepth;
	ntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :
	    _TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),
	    TIFFhowmany_32(td->td_imagelength, dy),
	    "TIFFNumberOfTiles"),
	    TIFFhowmany_32(td->td_imagedepth, dz), "TIFFNumberOfTiles");
	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
		ntiles = _TIFFMultiply32(tif, ntiles, td->td_samplesperpixel,
		    "TIFFNumberOfTiles");
	return (ntiles);
}
['DECLAREcpFunc(cpBiasedContig2Contig)\n{\n\tif (spp == 1) {\n\t\ttsize_t biasSize = TIFFScanlineSize(bias);\n\t\ttsize_t bufSize = TIFFScanlineSize(in);\n\t\ttdata_t buf, biasBuf;\n\t\tuint32 biasWidth = 0, biasLength = 0;\n\t\tTIFFGetField(bias, TIFFTAG_IMAGEWIDTH, &biasWidth);\n\t\tTIFFGetField(bias, TIFFTAG_IMAGELENGTH, &biasLength);\n\t\tif (biasSize == bufSize &&\n\t\t    imagelength == biasLength && imagewidth == biasWidth) {\n\t\t\tuint16 sampleBits = 0;\n\t\t\tbiasFn *subtractLine;\n\t\t\tTIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &sampleBits);\n\t\t\tsubtractLine = lineSubtractFn (sampleBits);\n\t\t\tif (subtractLine) {\n\t\t\t\tuint32 row;\n\t\t\t\tbuf = _TIFFmalloc(bufSize);\n\t\t\t\tbiasBuf = _TIFFmalloc(bufSize);\n\t\t\t\tfor (row = 0; row < imagelength; row++) {\n\t\t\t\t\tif (TIFFReadScanline(in, buf, row, 0) < 0\n\t\t\t\t\t    && !ignore) {\n\t\t\t\t\t\tTIFFError(TIFFFileName(in),\n\t\t\t\t\t\t    "Error, can\'t read scanline %lu",\n\t\t\t\t\t\t    (unsigned long) row);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tif (TIFFReadScanline(bias, biasBuf, row, 0) < 0\n\t\t\t\t\t    && !ignore) {\n\t\t\t\t\t\tTIFFError(TIFFFileName(in),\n\t\t\t\t\t\t    "Error, can\'t read biased scanline %lu",\n\t\t\t\t\t\t    (unsigned long) row);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tsubtractLine (buf, biasBuf, imagewidth);\n\t\t\t\t\tif (TIFFWriteScanline(out, buf, row, 0) < 0) {\n\t\t\t\t\t\tTIFFError(TIFFFileName(out),\n\t\t\t\t\t\t    "Error, can\'t write scanline %lu",\n\t\t\t\t\t\t    (unsigned long) row);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t_TIFFfree(buf);\n\t\t\t\t_TIFFfree(biasBuf);\n\t\t\t\tTIFFSetDirectory(bias,\n\t\t\t\t    TIFFCurrentDirectory(bias));\n\t\t\t\treturn 1;\nbad:\n\t\t\t\t_TIFFfree(buf);\n\t\t\t\t_TIFFfree(biasBuf);\n\t\t\t\treturn 0;\n\t\t\t} else {\n\t\t\t\tTIFFError(TIFFFileName(in),\n\t\t\t\t    "No support for biasing %d bit pixels\\n",\n\t\t\t\t    sampleBits);\n\t\t\t\treturn 0;\n\t\t\t}\n\t\t}\n\t\tTIFFError(TIFFFileName(in),\n\t\t    "Bias image %s,%d\\nis not the same size as %s,%d\\n",\n\t\t    TIFFFileName(bias), TIFFCurrentDirectory(bias),\n\t\t    TIFFFileName(in), TIFFCurrentDirectory(in));\n\t\treturn 0;\n\t} else {\n\t\tTIFFError(TIFFFileName(in),\n\t\t    "Can\'t bias %s,%d as it has >1 Sample/Pixel\\n",\n\t\t    TIFFFileName(in), TIFFCurrentDirectory(in));\n\t\treturn 0;\n\t}\n}', 'tmsize_t\nTIFFScanlineSize(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFScanlineSize";\n\tuint64 m;\n\ttmsize_t n;\n\tm=TIFFScanlineSize64(tif);\n\tn=(tmsize_t)m;\n\tif ((uint64)n!=m)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow");\n\t\tn=0;\n\t}\n\treturn(n);\n}', 'uint64\nTIFFScanlineSize64(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFScanlineSize64";\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint64 scanline_size;\n\tif (td->td_planarconfig==PLANARCONFIG_CONTIG)\n\t{\n\t\tif ((td->td_photometric==PHOTOMETRIC_YCBCR)&&\n\t\t    (td->td_samplesperpixel==3)&&\n\t\t    (!isUpSampled(tif)))\n\t\t{\n\t\t\tuint16 ycbcrsubsampling[2];\n\t\t\tuint16 samplingblock_samples;\n\t\t\tuint32 samplingblocks_hor;\n\t\t\tuint64 samplingrow_samples;\n\t\t\tuint64 samplingrow_size;\n\t\t\tif(td->td_samplesperpixel!=3)\n\t\t\t{\n                            TIFFErrorExt(tif->tif_clientdata,module,\n                                         "Invalid td_samplesperpixel value");\n                            return 0;\n\t\t\t}\n\t\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,\n                                              ycbcrsubsampling+0,\n                                              ycbcrsubsampling+1);\n\t\t\tif (((ycbcrsubsampling[0]!=1)&&(ycbcrsubsampling[0]!=2)&&(ycbcrsubsampling[0]!=4)) ||\n\t\t\t    ((ycbcrsubsampling[1]!=1)&&(ycbcrsubsampling[1]!=2)&&(ycbcrsubsampling[1]!=4)))\n\t\t\t{\n                            TIFFErrorExt(tif->tif_clientdata,module,\n                                         "Invalid YCbCr subsampling");\n                            return 0;\n\t\t\t}\n\t\t\tsamplingblock_samples = ycbcrsubsampling[0]*ycbcrsubsampling[1]+2;\n\t\t\tsamplingblocks_hor = TIFFhowmany_32(td->td_imagewidth,ycbcrsubsampling[0]);\n\t\t\tsamplingrow_samples = _TIFFMultiply64(tif,samplingblocks_hor,samplingblock_samples,module);\n\t\t\tsamplingrow_size = TIFFhowmany_64(_TIFFMultiply64(tif,samplingrow_samples,td->td_bitspersample,module),8);\n\t\t\tscanline_size = (samplingrow_size/ycbcrsubsampling[1]);\n\t\t}\n\t\telse\n\t\t{\n\t\t\tuint64 scanline_samples;\n\t\t\tscanline_samples=_TIFFMultiply64(tif,td->td_imagewidth,td->td_samplesperpixel,module);\n\t\t\tscanline_size=TIFFhowmany_64(_TIFFMultiply64(tif,scanline_samples,td->td_bitspersample,module),8);\n\t\t}\n\t}\n\telse\n\t\tscanline_size=TIFFhowmany_64(_TIFFMultiply64(tif,td->td_imagewidth,td->td_bitspersample,module),8);\n\treturn(scanline_size);\n}', 'int\nTIFFSetDirectory(TIFF* tif, uint16 dirn)\n{\n\tuint64 nextdir;\n\tuint16 n;\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\tnextdir = tif->tif_header.classic.tiff_diroff;\n\telse\n\t\tnextdir = tif->tif_header.big.tiff_diroff;\n\tfor (n = dirn; n > 0 && nextdir != 0; n--)\n\t\tif (!TIFFAdvanceDirectory(tif, &nextdir, NULL))\n\t\t\treturn (0);\n\ttif->tif_nextdiroff = nextdir;\n\ttif->tif_curdir = (dirn - n) - 1;\n\ttif->tif_dirnumber = 0;\n\treturn (TIFFReadDirectory(tif));\n}', 'int\nTIFFReadDirectory(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFReadDirectory";\n\tTIFFDirEntry* dir;\n\tuint16 dircount;\n\tTIFFDirEntry* dp;\n\tuint16 di;\n\tconst TIFFField* fip;\n\tuint32 fii;\n        toff_t nextdiroff;\n\ttif->tif_diroff=tif->tif_nextdiroff;\n\tif (!TIFFCheckDirOffset(tif,tif->tif_nextdiroff))\n\t\treturn 0;\n\t(*tif->tif_cleanup)(tif);\n\ttif->tif_curdir++;\n        nextdiroff = tif->tif_nextdiroff;\n\tdircount=TIFFFetchDirectory(tif,nextdiroff,&dir,&tif->tif_nextdiroff);\n\tif (!dircount)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t    "Failed to read directory at offset " TIFF_UINT64_FORMAT,nextdiroff);\n\t\treturn 0;\n\t}\n\tTIFFReadDirectoryCheckOrder(tif,dir,dircount);\n\ttif->tif_flags &= ~TIFF_BEENWRITING;\n\ttif->tif_flags &= ~TIFF_BUF4WRITE;\n\tTIFFFreeDirectory(tif);\n\tTIFFDefaultDirectory(tif);\n\tTIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG);\n\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_SAMPLESPERPIXEL);\n\tif (dp)\n\t{\n\t\tif (!TIFFFetchNormalTag(tif,dp,0))\n\t\t\tgoto bad;\n\t\tdp->tdir_tag=IGNORE;\n\t}\n\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_COMPRESSION);\n\tif (dp)\n\t{\n\t\tuint16 value;\n\t\tenum TIFFReadDirEntryErr err;\n\t\terr=TIFFReadDirEntryShort(tif,dp,&value);\n\t\tif (err==TIFFReadDirEntryErrCount)\n\t\t\terr=TIFFReadDirEntryPersampleShort(tif,dp,&value);\n\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t{\n\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,"Compression",0);\n\t\t\tgoto bad;\n\t\t}\n\t\tif (!TIFFSetField(tif,TIFFTAG_COMPRESSION,value))\n\t\t\tgoto bad;\n\t\tdp->tdir_tag=IGNORE;\n\t}\n\telse\n\t{\n\t\tif (!TIFFSetField(tif,TIFFTAG_COMPRESSION,COMPRESSION_NONE))\n\t\t\tgoto bad;\n\t}\n\tfor (di=0, dp=dir; di<dircount; di++, dp++)\n\t{\n\t\tif (dp->tdir_tag!=IGNORE)\n\t\t{\n\t\t\tTIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);\n\t\t\tif (fii == FAILED_FII)\n\t\t\t{\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t\t    "Unknown field with tag %d (0x%x) encountered",\n\t\t\t\t    dp->tdir_tag,dp->tdir_tag);\n\t\t\t\tif (!_TIFFMergeFields(tif,\n\t\t\t\t\t_TIFFCreateAnonField(tif,\n\t\t\t\t\t\tdp->tdir_tag,\n\t\t\t\t\t\t(TIFFDataType) dp->tdir_type),\n\t\t\t\t\t1)) {\n\t\t\t\t\tTIFFWarningExt(tif->tif_clientdata,\n\t\t\t\t\t    module,\n\t\t\t\t\t    "Registering anonymous field with tag %d (0x%x) failed",\n\t\t\t\t\t    dp->tdir_tag,\n\t\t\t\t\t    dp->tdir_tag);\n\t\t\t\t\tdp->tdir_tag=IGNORE;\n\t\t\t\t} else {\n\t\t\t\t\tTIFFReadDirectoryFindFieldInfo(tif,dp->tdir_tag,&fii);\n\t\t\t\t\tassert(fii != FAILED_FII);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif (dp->tdir_tag!=IGNORE)\n\t\t{\n\t\t\tfip=tif->tif_fields[fii];\n\t\t\tif (fip->field_bit==FIELD_IGNORE)\n\t\t\t\tdp->tdir_tag=IGNORE;\n\t\t\telse\n\t\t\t{\n\t\t\t\tswitch (dp->tdir_tag)\n\t\t\t\t{\n\t\t\t\t\tcase TIFFTAG_STRIPOFFSETS:\n\t\t\t\t\tcase TIFFTAG_STRIPBYTECOUNTS:\n\t\t\t\t\tcase TIFFTAG_TILEOFFSETS:\n\t\t\t\t\tcase TIFFTAG_TILEBYTECOUNTS:\n\t\t\t\t\t\tTIFFSetFieldBit(tif,fip->field_bit);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase TIFFTAG_IMAGEWIDTH:\n\t\t\t\t\tcase TIFFTAG_IMAGELENGTH:\n\t\t\t\t\tcase TIFFTAG_IMAGEDEPTH:\n\t\t\t\t\tcase TIFFTAG_TILELENGTH:\n\t\t\t\t\tcase TIFFTAG_TILEWIDTH:\n\t\t\t\t\tcase TIFFTAG_TILEDEPTH:\n\t\t\t\t\tcase TIFFTAG_PLANARCONFIG:\n\t\t\t\t\tcase TIFFTAG_ROWSPERSTRIP:\n\t\t\t\t\tcase TIFFTAG_EXTRASAMPLES:\n\t\t\t\t\t\tif (!TIFFFetchNormalTag(tif,dp,0))\n\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\tdp->tdir_tag=IGNORE;\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\tif ((tif->tif_dir.td_compression==COMPRESSION_OJPEG)&&\n\t    (tif->tif_dir.td_planarconfig==PLANARCONFIG_SEPARATE))\n\t{\n\t\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,TIFFTAG_STRIPOFFSETS);\n\t\tif ((dp!=0)&&(dp->tdir_count==1))\n\t\t{\n\t\t\tdp=TIFFReadDirectoryFindEntry(tif,dir,dircount,\n\t\t\t    TIFFTAG_STRIPBYTECOUNTS);\n\t\t\tif ((dp!=0)&&(dp->tdir_count==1))\n\t\t\t{\n\t\t\t\ttif->tif_dir.td_planarconfig=PLANARCONFIG_CONTIG;\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t    "Planarconfig tag value assumed incorrect, "\n\t\t\t\t    "assuming data is contig instead of chunky");\n\t\t\t}\n\t\t}\n\t}\n\tif (!TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))\n\t{\n\t\tMissingRequired(tif,"ImageLength");\n\t\tgoto bad;\n\t}\n\tif (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) {\n\t\ttif->tif_dir.td_nstrips = TIFFNumberOfStrips(tif);\n\t\ttif->tif_dir.td_tilewidth = tif->tif_dir.td_imagewidth;\n\t\ttif->tif_dir.td_tilelength = tif->tif_dir.td_rowsperstrip;\n\t\ttif->tif_dir.td_tiledepth = tif->tif_dir.td_imagedepth;\n\t\ttif->tif_flags &= ~TIFF_ISTILED;\n\t} else {\n\t\ttif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);\n\t\ttif->tif_flags |= TIFF_ISTILED;\n\t}\n\tif (!tif->tif_dir.td_nstrips) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t    "Cannot handle zero number of %s",\n\t\t    isTiled(tif) ? "tiles" : "strips");\n\t\tgoto bad;\n\t}\n\ttif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips;\n\tif (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\ttif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel;\n\tif (!TIFFFieldSet(tif, FIELD_STRIPOFFSETS)) {\n\t\tif ((tif->tif_dir.td_compression==COMPRESSION_OJPEG) &&\n\t\t    (isTiled(tif)==0) &&\n\t\t    (tif->tif_dir.td_nstrips==1)) {\n\t\t\tTIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);\n\t\t} else {\n\t\t\tMissingRequired(tif,\n\t\t\t\tisTiled(tif) ? "TileOffsets" : "StripOffsets");\n\t\t\tgoto bad;\n\t\t}\n\t}\n\tfor (di=0, dp=dir; di<dircount; di++, dp++)\n\t{\n\t\tswitch (dp->tdir_tag)\n\t\t{\n\t\t\tcase IGNORE:\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_MINSAMPLEVALUE:\n\t\t\tcase TIFFTAG_MAXSAMPLEVALUE:\n\t\t\tcase TIFFTAG_BITSPERSAMPLE:\n\t\t\tcase TIFFTAG_DATATYPE:\n\t\t\tcase TIFFTAG_SAMPLEFORMAT:\n\t\t\t\t{\n\t\t\t\t\tuint16 value;\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\terr=TIFFReadDirEntryShort(tif,dp,&value);\n\t\t\t\t\tif (err==TIFFReadDirEntryErrCount)\n\t\t\t\t\t\terr=TIFFReadDirEntryPersampleShort(tif,dp,&value);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,TIFFFieldWithTag(tif,dp->tdir_tag)->field_name,0);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tif (!TIFFSetField(tif,dp->tdir_tag,value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_SMINSAMPLEVALUE:\n\t\t\tcase TIFFTAG_SMAXSAMPLEVALUE:\n\t\t\t\t{\n\t\t\t\t\tdouble value;\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\terr=TIFFReadDirEntryPersampleDouble(tif,dp,&value);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,TIFFFieldWithTag(tif,dp->tdir_tag)->field_name,0);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tif (!TIFFSetField(tif,dp->tdir_tag,value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_STRIPOFFSETS:\n\t\t\tcase TIFFTAG_TILEOFFSETS:\n\t\t\t\tif (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripoffset))\n\t\t\t\t\tgoto bad;\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_STRIPBYTECOUNTS:\n\t\t\tcase TIFFTAG_TILEBYTECOUNTS:\n\t\t\t\tif (!TIFFFetchStripThing(tif,dp,tif->tif_dir.td_nstrips,&tif->tif_dir.td_stripbytecount))\n\t\t\t\t\tgoto bad;\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_COLORMAP:\n\t\t\tcase TIFFTAG_TRANSFERFUNCTION:\n\t\t\t\t{\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\tuint32 countpersample;\n\t\t\t\t\tuint32 countrequired;\n\t\t\t\t\tuint32 incrementpersample;\n\t\t\t\t\tuint16* value;\n\t\t\t\t\tcountpersample=(1L<<tif->tif_dir.td_bitspersample);\n\t\t\t\t\tif ((dp->tdir_tag==TIFFTAG_TRANSFERFUNCTION)&&(dp->tdir_count==(uint64)countpersample))\n\t\t\t\t\t{\n\t\t\t\t\t\tcountrequired=countpersample;\n\t\t\t\t\t\tincrementpersample=0;\n\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\t\tcountrequired=3*countpersample;\n\t\t\t\t\t\tincrementpersample=countpersample;\n\t\t\t\t\t}\n\t\t\t\t\tif (dp->tdir_count!=(uint64)countrequired)\n\t\t\t\t\t\terr=TIFFReadDirEntryErrCount;\n\t\t\t\t\telse\n\t\t\t\t\t\terr=TIFFReadDirEntryShortArray(tif,dp,&value);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,TIFFFieldWithTag(tif,dp->tdir_tag)->field_name,1);\n\t\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\t\tTIFFSetField(tif,dp->tdir_tag,value,value+incrementpersample,value+2*incrementpersample);\n\t\t\t\t\t\t_TIFFfree(value);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_OSUBFILETYPE:\n\t\t\t\t{\n\t\t\t\t\tuint16 valueo;\n\t\t\t\t\tuint32 value;\n\t\t\t\t\tif (TIFFReadDirEntryShort(tif,dp,&valueo)==TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tswitch (valueo)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcase OFILETYPE_REDUCEDIMAGE: value=FILETYPE_REDUCEDIMAGE; break;\n\t\t\t\t\t\t\tcase OFILETYPE_PAGE: value=FILETYPE_PAGE; break;\n\t\t\t\t\t\t\tdefault: value=0; break;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (value!=0)\n\t\t\t\t\t\t\tTIFFSetField(tif,TIFFTAG_SUBFILETYPE,value);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\t(void) TIFFFetchNormalTag(tif, dp, TRUE);\n\t\t\t\tbreak;\n\t\t}\n\t}\n\tif (tif->tif_dir.td_compression==COMPRESSION_OJPEG)\n\t{\n\t\tif (!TIFFFieldSet(tif,FIELD_PHOTOMETRIC))\n\t\t{\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t    "Photometric tag is missing, assuming data is YCbCr");\n\t\t\tif (!TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,PHOTOMETRIC_YCBCR))\n\t\t\t\tgoto bad;\n\t\t}\n\t\telse if (tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)\n\t\t{\n\t\t\ttif->tif_dir.td_photometric=PHOTOMETRIC_YCBCR;\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t    "Photometric tag value assumed incorrect, "\n\t\t\t    "assuming data is YCbCr instead of RGB");\n\t\t}\n\t\tif (!TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))\n\t\t{\n\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t    "BitsPerSample tag is missing, assuming 8 bits per sample");\n\t\t\tif (!TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,8))\n\t\t\t\tgoto bad;\n\t\t}\n\t\tif (!TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))\n\t\t{\n\t\t\tif ((tif->tif_dir.td_photometric==PHOTOMETRIC_RGB)\n\t\t\t    || (tif->tif_dir.td_photometric==PHOTOMETRIC_YCBCR))\n\t\t\t{\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t    "SamplesPerPixel tag is missing, "\n\t\t\t\t    "assuming correct SamplesPerPixel value is 3");\n\t\t\t\tif (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,3))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\telse if ((tif->tif_dir.td_photometric==PHOTOMETRIC_MINISWHITE)\n\t\t\t\t || (tif->tif_dir.td_photometric==PHOTOMETRIC_MINISBLACK))\n\t\t\t{\n\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t    "SamplesPerPixel tag is missing, "\n\t\t\t\t    "assuming correct SamplesPerPixel value is 1");\n\t\t\t\tif (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,1))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t}\n\t}\n\tif (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&\n\t    !TIFFFieldSet(tif, FIELD_COLORMAP)) {\n\t\tMissingRequired(tif, "Colormap");\n\t\tgoto bad;\n\t}\n\tif (tif->tif_dir.td_compression!=COMPRESSION_OJPEG)\n\t{\n\t\tif (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) {\n\t\t\tif ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&\n\t\t\t    tif->tif_dir.td_nstrips > 1) ||\n\t\t\t    (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE &&\n\t\t\t     tif->tif_dir.td_nstrips != (uint32)tif->tif_dir.td_samplesperpixel)) {\n\t\t\t    MissingRequired(tif, "StripByteCounts");\n\t\t\t    goto bad;\n\t\t\t}\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t\t"TIFF directory is missing required "\n\t\t\t\t"\\"%s\\" field, calculating from imagelength",\n\t\t\t\tTIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name);\n\t\t\tif (EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t    goto bad;\n\t\t#define\tBYTECOUNTLOOKSBAD \\\n\t\t    ( (tif->tif_dir.td_stripbytecount[0] == 0 && tif->tif_dir.td_stripoffset[0] != 0) || \\\n\t\t      (tif->tif_dir.td_compression == COMPRESSION_NONE && \\\n\t\t       tif->tif_dir.td_stripbytecount[0] > TIFFGetFileSize(tif) - tif->tif_dir.td_stripoffset[0]) || \\\n\t\t      (tif->tif_mode == O_RDONLY && \\\n\t\t       tif->tif_dir.td_compression == COMPRESSION_NONE && \\\n\t\t       tif->tif_dir.td_stripbytecount[0] < TIFFScanlineSize64(tif) * tif->tif_dir.td_imagelength) )\n\t\t} else if (tif->tif_dir.td_nstrips == 1\n\t\t\t   && tif->tif_dir.td_stripoffset[0] != 0\n\t\t\t   && BYTECOUNTLOOKSBAD) {\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t    "Bogus \\"%s\\" field, ignoring and calculating from imagelength",\n\t\t\t    TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name);\n\t\t\tif(EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t    goto bad;\n\t\t} else if (tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG\n\t\t\t   && tif->tif_dir.td_nstrips > 2\n\t\t\t   && tif->tif_dir.td_compression == COMPRESSION_NONE\n\t\t\t   && tif->tif_dir.td_stripbytecount[0] != tif->tif_dir.td_stripbytecount[1]\n\t\t\t   && tif->tif_dir.td_stripbytecount[0] != 0\n\t\t\t   && tif->tif_dir.td_stripbytecount[1] != 0 ) {\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t    "Wrong \\"%s\\" field, ignoring and calculating from imagelength",\n\t\t\t    TIFFFieldWithTag(tif,TIFFTAG_STRIPBYTECOUNTS)->field_name);\n\t\t\tif (EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t    goto bad;\n\t\t}\n\t}\n\tif (dir)\n\t{\n\t\t_TIFFfree(dir);\n\t\tdir=NULL;\n\t}\n\tif (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE))\n\t{\n\t\tif (tif->tif_dir.td_bitspersample>=16)\n\t\t\ttif->tif_dir.td_maxsamplevalue=0xFFFF;\n\t\telse\n\t\t\ttif->tif_dir.td_maxsamplevalue = (uint16)((1L<<tif->tif_dir.td_bitspersample)-1);\n\t}\n\tif (tif->tif_dir.td_nstrips > 1) {\n\t\tuint32 strip;\n\t\ttif->tif_dir.td_stripbytecountsorted = 1;\n\t\tfor (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) {\n\t\t\tif (tif->tif_dir.td_stripoffset[strip - 1] >\n\t\t\t    tif->tif_dir.td_stripoffset[strip]) {\n\t\t\t\ttif->tif_dir.td_stripbytecountsorted = 0;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\t(*tif->tif_fixuptags)(tif);\n\tif ((tif->tif_dir.td_planarconfig==PLANARCONFIG_CONTIG)&&\n\t    (tif->tif_dir.td_nstrips==1)&&\n\t    (tif->tif_dir.td_compression==COMPRESSION_NONE)&&\n\t    ((tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED))==TIFF_STRIPCHOP))\n\t\tChopUpSingleUncompressedStrip(tif);\n\ttif->tif_flags &= ~TIFF_DIRTYDIRECT;\n\ttif->tif_flags &= ~TIFF_DIRTYSTRIP;\n\ttif->tif_row = (uint32) -1;\n\ttif->tif_curstrip = (uint32) -1;\n\ttif->tif_col = (uint32) -1;\n\ttif->tif_curtile = (uint32) -1;\n\ttif->tif_tilesize = (tmsize_t) -1;\n\ttif->tif_scanlinesize = TIFFScanlineSize(tif);\n\tif (!tif->tif_scanlinesize) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t    "Cannot handle zero scanline size");\n\t\treturn (0);\n\t}\n\tif (isTiled(tif)) {\n\t\ttif->tif_tilesize = TIFFTileSize(tif);\n\t\tif (!tif->tif_tilesize) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t     "Cannot handle zero tile size");\n\t\t\treturn (0);\n\t\t}\n\t} else {\n\t\tif (!TIFFStripSize(tif)) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t    "Cannot handle zero strip size");\n\t\t\treturn (0);\n\t\t}\n\t}\n\treturn (1);\nbad:\n\tif (dir)\n\t\t_TIFFfree(dir);\n\treturn (0);\n}', 'uint32\nTIFFNumberOfTiles(TIFF* tif)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint32 dx = td->td_tilewidth;\n\tuint32 dy = td->td_tilelength;\n\tuint32 dz = td->td_tiledepth;\n\tuint32 ntiles;\n\tif (dx == (uint32) -1)\n\t\tdx = td->td_imagewidth;\n\tif (dy == (uint32) -1)\n\t\tdy = td->td_imagelength;\n\tif (dz == (uint32) -1)\n\t\tdz = td->td_imagedepth;\n\tntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :\n\t    _TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),\n\t    TIFFhowmany_32(td->td_imagelength, dy),\n\t    "TIFFNumberOfTiles"),\n\t    TIFFhowmany_32(td->td_imagedepth, dz), "TIFFNumberOfTiles");\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\tntiles = _TIFFMultiply32(tif, ntiles, td->td_samplesperpixel,\n\t\t    "TIFFNumberOfTiles");\n\treturn (ntiles);\n}']