tools/tiffcp.c:165: error: Integer Overflow L2
  ([0, 4294967294] + [0, 4294967294]):unsigned32 by call to `nextSrcImage`.

tools/tiffcp.c:165:9: Call
163. 		if (tif) {
164. 			**imageSpec = comma;  /* replace the comma */
165. 			if (!nextSrcImage(tif, imageSpec)) {
             ^
166. 				TIFFClose (tif);
167. 				tif = NULL;

tools/tiffcp.c:117:1: Parameter `tif->tif_dir.td_imagewidth`
  115. }
  116. 
  117. static int nextSrcImage (TIFF *tif, char **imageSpec)
       ^
  118. /*
  119.   seek to the next image specified in *imageSpec

tools/tiffcp.c:140:7: Call
  138. 			}
  139. 		}
  140. 		if (TIFFSetDirectory (tif, nextImage)) return 1;
             ^
  141. 		fprintf (stderr, "%s%c%d not found!\n",
  142. 		    TIFFFileName(tif), comma, (int) nextImage);

libtiff/tif_dir.c:1665:1: Parameter `tif->tif_dir.td_imagewidth`
    1663.  * NB: Directories are numbered starting at 0.
    1664.  */
    1665. int
          ^
    1666. TIFFSetDirectory(TIFF* tif, uint16 dirn)
    1667. {

libtiff/tif_dir.c:1690:10: Call
    1688. 	 */
    1689. 	tif->tif_dirnumber = 0;
    1690. 	return (TIFFReadDirectory(tif));
                   ^
    1691. }
    1692. 

libtiff/tif_dirread.c:3573:1: Parameter `tif->tif_dir.td_imagewidth`
      3571.  * format. We read directories sequentially.
      3572.  */
      3573. int
            ^
      3574. TIFFReadDirectory(TIFF* tif)
      3575. {

libtiff/tif_dirread.c:3801:29: Call
      3799. 		tif->tif_flags &= ~TIFF_ISTILED;
      3800. 	} else {
      3801. 		tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif);
                                        ^
      3802. 		tif->tif_flags |= TIFF_ISTILED;
      3803. 	}

libtiff/tif_tile.c:112:1: <LHS trace>
110.  * Compute how many tiles are in an image.
111.  */
112. uint32
     ^
113. TIFFNumberOfTiles(TIFF* tif)
114. {

libtiff/tif_tile.c:112:1: Parameter `tif->tif_dir.td_imagewidth`
        110.  * Compute how many tiles are in an image.
        111.  */
        112. uint32
             ^
        113. TIFFNumberOfTiles(TIFF* tif)
        114. {

libtiff/tif_tile.c:112:1: <RHS trace>
110.  * Compute how many tiles are in an image.
111.  */
112. uint32
     ^
113. TIFFNumberOfTiles(TIFF* tif)
114. {

libtiff/tif_tile.c:112:1: Parameter `tif->tif_dir.td_imagewidth`
        110.  * Compute how many tiles are in an image.
        111.  */
        112. uint32
             ^
        113. TIFFNumberOfTiles(TIFF* tif)
        114. {

libtiff/tif_tile.c:128:48: Binary operation: ([0, 4294967294] + [0, 4294967294]):unsigned32 by call to `nextSrcImage` 
        126. 		dz = td->td_imagedepth;
        127. 	ntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :
        128. 	    _TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),
                                                            ^
        129. 	    TIFFhowmany_32(td->td_imagelength, dy),
        130. 	    "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);
}
['static TIFF* openSrcImage (char **imageSpec)\n{\n\tTIFF *tif;\n\tchar *fn = *imageSpec;\n\t*imageSpec = strchr (fn, comma);\n\tif (*imageSpec) {\n\t\t**imageSpec = \'\\0\';\n\t\ttif = TIFFOpen (fn, "r");\n\t\tif (!(*imageSpec)[1]) {*imageSpec = NULL; return tif;}\n\t\tif (tif) {\n\t\t\t**imageSpec = comma;\n\t\t\tif (!nextSrcImage(tif, imageSpec)) {\n\t\t\t\tTIFFClose (tif);\n\t\t\t\ttif = NULL;\n\t\t\t}\n\t\t}\n\t}else\n\t\ttif = TIFFOpen (fn, "r");\n\treturn tif;\n}', 'static int nextSrcImage (TIFF *tif, char **imageSpec)\n{\n\tif (**imageSpec == comma) {\n\t\tchar *start = *imageSpec + 1;\n\t\ttdir_t nextImage = (tdir_t)strtol(start, imageSpec, 0);\n\t\tif (start == *imageSpec) nextImage = TIFFCurrentDirectory (tif);\n\t\tif (**imageSpec)\n\t\t{\n\t\t\tif (**imageSpec == comma) {\n\t\t\t\tif ((*imageSpec)[1] == \'\\0\') *imageSpec = NULL;\n\t\t\t}else{\n\t\t\t\tfprintf (stderr,\n\t\t\t\t    "Expected a %c separated image # list after %s\\n",\n\t\t\t\t    comma, TIFFFileName (tif));\n\t\t\t\texit (-4);\n\t\t\t}\n\t\t}\n\t\tif (TIFFSetDirectory (tif, nextImage)) return 1;\n\t\tfprintf (stderr, "%s%c%d not found!\\n",\n\t\t    TIFFFileName(tif), comma, (int) nextImage);\n\t}\n\treturn 0;\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=FAILED_FII;\n        toff_t nextdiroff;\n    int bitspersample_read = FALSE;\n        int color_channels;\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\t{\n\t\tTIFFDirEntry* ma;\n\t\tuint16 mb;\n\t\tfor (ma=dir, mb=0; mb<dircount; ma++, mb++)\n\t\t{\n\t\t\tTIFFDirEntry* na;\n\t\t\tuint16 nb;\n\t\t\tfor (na=ma+1, nb=mb+1; nb<dircount; na++, nb++)\n\t\t\t{\n\t\t\t\tif (ma->tdir_tag == na->tdir_tag) {\n\t\t\t\t\tna->tdir_ignore = TRUE;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\ttif->tif_flags &= ~TIFF_BEENWRITING;\n\ttif->tif_flags &= ~TIFF_BUF4WRITE;\n\ttif->tif_flags &= ~TIFF_CHOPPEDUPARRAYS;\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_ignore = TRUE;\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_ignore = TRUE;\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_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_ignore = TRUE;\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_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_ignore = TRUE;\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_ignore = TRUE;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tif( !_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag) )\n\t\t\t\t\t\t\tdp->tdir_ignore = TRUE;\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\tif (!_TIFFFillStriles(tif))\n\t\t    goto bad;\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#ifdef OJPEG_SUPPORT\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#endif\n        {\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\tif (!dp->tdir_ignore) {\n\t\t\tswitch (dp->tdir_tag)\n\t\t\t{\n\t\t\t\tcase TIFFTAG_MINSAMPLEVALUE:\n\t\t\t\tcase TIFFTAG_MAXSAMPLEVALUE:\n\t\t\t\tcase TIFFTAG_BITSPERSAMPLE:\n\t\t\t\tcase TIFFTAG_DATATYPE:\n\t\t\t\tcase TIFFTAG_SAMPLEFORMAT:\n\t\t\t\t\t{\n\t\t\t\t\t\tuint16 value;\n\t\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\t\terr=TIFFReadDirEntryShort(tif,dp,&value);\n\t\t\t\t\t\tif (err==TIFFReadDirEntryErrCount)\n\t\t\t\t\t\t\terr=TIFFReadDirEntryPersampleShort(tif,dp,&value);\n\t\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);\n\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (!TIFFSetField(tif,dp->tdir_tag,value))\n\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\tif( dp->tdir_tag == TIFFTAG_BITSPERSAMPLE )\n\t\t\t\t\t\t    bitspersample_read = TRUE;\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFFTAG_SMINSAMPLEVALUE:\n\t\t\t\tcase TIFFTAG_SMAXSAMPLEVALUE:\n\t\t\t\t\t{\n\t\t\t\t\t\tdouble *data = NULL;\n\t\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\t\tuint32 saved_flags;\n\t\t\t\t\t\tint m;\n\t\t\t\t\t\tif (dp->tdir_count != (uint64)tif->tif_dir.td_samplesperpixel)\n\t\t\t\t\t\t\terr = TIFFReadDirEntryErrCount;\n\t\t\t\t\t\telse\n\t\t\t\t\t\t\terr = TIFFReadDirEntryDoubleArray(tif, dp, &data);\n\t\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);\n\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tsaved_flags = tif->tif_flags;\n\t\t\t\t\t\ttif->tif_flags |= TIFF_PERSAMPLE;\n\t\t\t\t\t\tm = TIFFSetField(tif,dp->tdir_tag,data);\n\t\t\t\t\t\ttif->tif_flags = saved_flags;\n\t\t\t\t\t\t_TIFFfree(data);\n\t\t\t\t\t\tif (!m)\n\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFFTAG_STRIPOFFSETS:\n\t\t\t\tcase TIFFTAG_TILEOFFSETS:\n\t\t\t\t\tswitch( dp->tdir_type )\n\t\t\t\t\t{\n\t\t\t\t\t    case TIFF_SHORT:\n\t\t\t\t\t    case TIFF_LONG:\n\t\t\t\t\t    case TIFF_LONG8:\n\t\t\t\t\t        break;\n\t\t\t\t\t    default:\n                                                if( !(tif->tif_mode == O_RDWR &&\n                                                      dp->tdir_count == 0 &&\n                                                      dp->tdir_type == 0 &&\n                                                      dp->tdir_offset.toff_long8 == 0) )\n                                                {\n                                                    fip = TIFFFieldWithTag(tif,dp->tdir_tag);\n                                                    TIFFWarningExt(tif->tif_clientdata,module,\n                                                                   "Invalid data type for tag %s",\n                                                                   fip ? fip->field_name : "unknown tagname");\n                                                }\n                                                break;\n                                        }\n\t\t\t\t\t_TIFFmemcpy( &(tif->tif_dir.td_stripoffset_entry),\n\t\t\t\t\t   dp, sizeof(TIFFDirEntry) );\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFFTAG_STRIPBYTECOUNTS:\n\t\t\t\tcase TIFFTAG_TILEBYTECOUNTS:\n\t\t\t\t\tswitch( dp->tdir_type )\n\t\t\t\t\t{\n\t\t\t\t\t    case TIFF_SHORT:\n\t\t\t\t\t    case TIFF_LONG:\n\t\t\t\t\t    case TIFF_LONG8:\n\t\t\t\t\t        break;\n\t\t\t\t\t    default:\n                                                if( !(tif->tif_mode == O_RDWR &&\n                                                      dp->tdir_count == 0 &&\n                                                      dp->tdir_type == 0 &&\n                                                      dp->tdir_offset.toff_long8 == 0) )\n                                                {\n                                                    fip = TIFFFieldWithTag(tif,dp->tdir_tag);\n                                                    TIFFWarningExt(tif->tif_clientdata,module,\n                                                                   "Invalid data type for tag %s",\n                                                                   fip ? fip->field_name : "unknown tagname");\n                                                }\n                                                break;\n                                        }\n\t\t\t\t\t_TIFFmemcpy( &(tif->tif_dir.td_stripbytecount_entry),\n\t\t\t\t\t   dp, sizeof(TIFFDirEntry) );\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFFTAG_COLORMAP:\n\t\t\t\tcase TIFFTAG_TRANSFERFUNCTION:\n\t\t\t\t\t{\n\t\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\t\tuint32 countpersample;\n\t\t\t\t\t\tuint32 countrequired;\n\t\t\t\t\t\tuint32 incrementpersample;\n\t\t\t\t\t\tuint16* value=NULL;\n\t\t\t\t\t\tif( !bitspersample_read )\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t\t\t\t\t"Ignoring %s since BitsPerSample tag not found",\n\t\t\t\t\t\t\t\tfip ? fip->field_name : "unknown tagname");\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (tif->tif_dir.td_bitspersample > 24)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\t\tTIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t\t\t\t\t"Ignoring %s because BitsPerSample=%d>24",\n\t\t\t\t\t\t\t\tfip ? fip->field_name : "unknown tagname",\n\t\t\t\t\t\t\t\ttif->tif_dir.td_bitspersample);\n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcountpersample=(1U<<tif->tif_dir.td_bitspersample);\n\t\t\t\t\t\tif ((dp->tdir_tag==TIFFTAG_TRANSFERFUNCTION)&&(dp->tdir_count==(uint64)countpersample))\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcountrequired=countpersample;\n\t\t\t\t\t\t\tincrementpersample=0;\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcountrequired=3*countpersample;\n\t\t\t\t\t\t\tincrementpersample=countpersample;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif (dp->tdir_count!=(uint64)countrequired)\n\t\t\t\t\t\t\terr=TIFFReadDirEntryErrCount;\n\t\t\t\t\t\telse\n\t\t\t\t\t\t\terr=TIFFReadDirEntryShortArray(tif,dp,&value);\n\t\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",1);\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tTIFFSetField(tif,dp->tdir_tag,value,value+incrementpersample,value+2*incrementpersample);\n\t\t\t\t\t\t\t_TIFFfree(value);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFFTAG_OSUBFILETYPE:\n\t\t\t\t\t{\n\t\t\t\t\t\tuint16 valueo;\n\t\t\t\t\t\tuint32 value;\n\t\t\t\t\t\tif (TIFFReadDirEntryShort(tif,dp,&valueo)==TIFFReadDirEntryErrOk)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tswitch (valueo)\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tcase OFILETYPE_REDUCEDIMAGE: value=FILETYPE_REDUCEDIMAGE; break;\n\t\t\t\t\t\t\t\tcase OFILETYPE_PAGE: value=FILETYPE_PAGE; break;\n\t\t\t\t\t\t\t\tdefault: value=0; break;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif (value!=0)\n\t\t\t\t\t\t\t\tTIFFSetField(tif,TIFFTAG_SUBFILETYPE,value);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\t(void) TIFFFetchNormalTag(tif, dp, TRUE);\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n        if( tif->tif_mode == O_RDWR &&\n            tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 &&\n            tif->tif_dir.td_stripoffset_entry.tdir_count == 0 &&\n            tif->tif_dir.td_stripoffset_entry.tdir_type == 0 &&\n            tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 &&\n            tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 &&\n            tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 &&\n            tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 &&\n            tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0 )\n        {\n            TIFFSetupStrips(tif);\n        }\n        else if( !(tif->tif_flags&TIFF_DEFERSTRILELOAD) )\n        {\n            if( tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 )\n            {\n                if (!TIFFFetchStripThing(tif,&(tif->tif_dir.td_stripoffset_entry),\n                                         tif->tif_dir.td_nstrips,\n                                         &tif->tif_dir.td_stripoffset_p))\n                {\n                    goto bad;\n                }\n            }\n            if( tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 )\n            {\n                if (!TIFFFetchStripThing(tif,&(tif->tif_dir.td_stripbytecount_entry),\n                                         tif->tif_dir.td_nstrips,\n                                         &tif->tif_dir.td_stripbytecount_p))\n                {\n                    goto bad;\n                }\n            }\n        }\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{\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\tif (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    "applying correct SamplesPerPixel value of 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\tif (!TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,1))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t}\n\t}\n        color_channels = _TIFFGetMaxColorChannels(tif->tif_dir.td_photometric);\n        if (color_channels && tif->tif_dir.td_samplesperpixel - tif->tif_dir.td_extrasamples > color_channels) {\n                uint16 old_extrasamples;\n                uint16 *new_sampleinfo;\n                TIFFWarningExt(tif->tif_clientdata,module, "Sum of Photometric type-related "\n                    "color channels and ExtraSamples doesn\'t match SamplesPerPixel. "\n                    "Defining non-color channels as ExtraSamples.");\n                old_extrasamples = tif->tif_dir.td_extrasamples;\n                tif->tif_dir.td_extrasamples = (uint16) (tif->tif_dir.td_samplesperpixel - color_channels);\n                new_sampleinfo = (uint16*) _TIFFcalloc(tif->tif_dir.td_extrasamples, sizeof(uint16));\n                if (!new_sampleinfo) {\n                    TIFFErrorExt(tif->tif_clientdata, module, "Failed to allocate memory for "\n                                "temporary new sampleinfo array (%d 16 bit elements)",\n                                tif->tif_dir.td_extrasamples);\n                    goto bad;\n                }\n                memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16));\n                _TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples);\n                _TIFFfree(new_sampleinfo);\n        }\n\tif (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE &&\n\t    !TIFFFieldSet(tif, FIELD_COLORMAP)) {\n\t\tif ( tif->tif_dir.td_bitspersample>=8 && tif->tif_dir.td_samplesperpixel==3)\n\t\t\ttif->tif_dir.td_photometric = PHOTOMETRIC_RGB;\n\t\telse if (tif->tif_dir.td_bitspersample>=8)\n\t\t\ttif->tif_dir.td_photometric = PHOTOMETRIC_MINISBLACK;\n\t\telse {\n\t\t\tMissingRequired(tif, "Colormap");\n\t\t\tgoto bad;\n\t\t}\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"\\"StripByteCounts\\" field, calculating from imagelength");\n\t\t\tif (EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t    goto bad;\n\t\t} else if (tif->tif_dir.td_nstrips == 1\n                           && !(tif->tif_flags&TIFF_ISTILED)\n\t\t\t   && ByteCountLooksBad(tif)) {\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t    "Bogus \\"StripByteCounts\\" field, ignoring and calculating from imagelength");\n\t\t\tif(EstimateStripByteCounts(tif, dir, dircount) < 0)\n\t\t\t    goto bad;\n\t\t} else if (!(tif->tif_flags&TIFF_DEFERSTRILELOAD)\n\t\t\t   && 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   && TIFFGetStrileByteCount(tif, 0) != TIFFGetStrileByteCount(tif, 1)\n\t\t\t   && TIFFGetStrileByteCount(tif, 0) != 0\n\t\t\t   && TIFFGetStrileByteCount(tif, 1) != 0 ) {\n\t\t\tTIFFWarningExt(tif->tif_clientdata, module,\n\t\t\t    "Wrong \\"StripByteCounts\\" field, ignoring and calculating from imagelength");\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#ifdef STRIPBYTECOUNTSORTED_UNUSED\n\tif (!(tif->tif_flags&TIFF_DEFERSTRILELOAD) && 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 (TIFFGetStrileOffset(tif, strip - 1) >\n\t\t\t    TIFFGetStrileOffset(tif, 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#endif\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        {\n            ChopUpSingleUncompressedStrip(tif);\n        }\n        if( tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG &&\n            tif->tif_dir.td_compression == COMPRESSION_NONE &&\n            (tif->tif_flags&(TIFF_STRIPCHOP|TIFF_ISTILED)) == TIFF_STRIPCHOP &&\n            TIFFStripSize64(tif) > 0x7FFFFFFFUL )\n        {\n            TryChopUpUncompressedBigTiff(tif);\n        }\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}']