contrib/addtiffo/tif_ovrcache.c:255: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `TIFFFlush`.

contrib/addtiffo/tif_ovrcache.c:168:12: Call
166. /* -------------------------------------------------------------------- */
167.     nBaseDirOffset = TIFFCurrentDirOffset( psCache->hTIFF );
168.     nRet = TIFFSetSubDirectory( psCache->hTIFF, psCache->nDirOffset );
                ^
169.     assert( nRet == 1 );
170. 

libtiff/tif_dir.c:1658:10: Call
  1656. 	 */
  1657. 	tif->tif_dirnumber = 0;
  1658. 	return (TIFFReadDirectory(tif));
                 ^
  1659. }
  1660. 

libtiff/tif_dirread.c:3578:1: Parameter `tif->tif_dir.td_rowsperstrip`
    3576.  * format. We read directories sequentially.
    3577.  */
    3578. int
          ^
    3579. TIFFReadDirectory(TIFF* tif)
    3580. {

contrib/addtiffo/tif_ovrcache.c:255:5: Call
253. /*      Restore access to original directory.                           */
254. /* -------------------------------------------------------------------- */
255.     TIFFFlush( psCache->hTIFF );
         ^
256.     /* TODO: add checks on error status return of TIFFFlush */
257.     TIFFSetSubDirectory( psCache->hTIFF, nBaseDirOffset );

libtiff/tif_flush.c:30:1: Parameter `tif->tif_dir.td_rowsperstrip`
  28. #include "tiffiop.h"
  29. 
  30. int
      ^
  31. TIFFFlush(TIFF* tif)
  32. {

libtiff/tif_flush.c:48:13: Call
  46.         && tif->tif_mode == O_RDWR )
  47.     {
  48.         if( TIFFForceStrileArrayWriting(tif) )
                  ^
  49.             return 1;
  50.     }

libtiff/tif_flush.c:78:1: Parameter `tif->tif_dir.td_rowsperstrip`
    76.  * Returns 1 in case of success, 0 otherwise.
    77.  */
    78. int TIFFForceStrileArrayWriting(TIFF* tif)
        ^
    79. {
    80.     static const char module[] = "TIFFForceStrileArrayWriting";

libtiff/tif_flush.c:120:55: Call
    118.         }
    119. 
    120.         if (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif))
                                                               ^
    121.             return 0;
    122.     }

libtiff/tif_write.c:522:1: Parameter `tif->tif_dir.td_rowsperstrip`
      520.     (TIFFFieldSet(tif,f) && (tif)->tif_dir.td_imagelength == 0)
      521. 
      522. int
           ^
      523. TIFFSetupStrips(TIFF* tif)
      524. {

libtiff/tif_write.c:534:29: Call
      532. 		td->td_stripsperimage =
      533. 		    isUnspecified(tif, FIELD_ROWSPERSTRIP) ?
      534. 			td->td_samplesperpixel : TIFFNumberOfStrips(tif);
                                       ^
      535. 	td->td_nstrips = td->td_stripsperimage;
      536. 	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)

libtiff/tif_strip.c:58:1: <LHS trace>
56.  * Compute how many strips are in an image.
57.  */
58. uint32
    ^
59. TIFFNumberOfStrips(TIFF* tif)
60. {

libtiff/tif_strip.c:58:1: Parameter `tif->tif_dir.td_imagelength`
        56.  * Compute how many strips are in an image.
        57.  */
        58. uint32
            ^
        59. TIFFNumberOfStrips(TIFF* tif)
        60. {

libtiff/tif_strip.c:65:7: Binary operation: ([0, +oo] - 1):unsigned32 by call to `TIFFFlush` 
        63. 
        64. 	nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :
        65. 	     TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));
                  ^
        66. 	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
        67. 		nstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel,

uint32
TIFFNumberOfStrips(TIFF* tif)
{
	TIFFDirectory *td = &tif->tif_dir;
	uint32 nstrips;
	nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :
	     TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));
	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
		nstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel,
		    "TIFFNumberOfStrips");
	return (nstrips);
}
['static void TIFFWriteOvrRow( TIFFOvrCache * psCache )\n{\n    int\t\tnRet, iTileX, iTileY = psCache->nBlockOffset;\n    unsigned char *pabyData;\n    toff_t\tnBaseDirOffset;\n    uint32      RowsInStrip;\n    if( TIFFIsByteSwapped(psCache->hTIFF) )\n    {\n        if( psCache->nBitsPerPixel == 16 )\n            TIFFSwabArrayOfShort( (uint16 *) psCache->pabyRow1Blocks,\n                      (psCache->nBytesPerBlock * psCache->nSamples) / 2 );\n        else if( psCache->nBitsPerPixel == 32 )\n            TIFFSwabArrayOfLong( (uint32 *) psCache->pabyRow1Blocks,\n                         (psCache->nBytesPerBlock * psCache->nSamples) / 4 );\n        else if( psCache->nBitsPerPixel == 64 )\n            TIFFSwabArrayOfDouble( (double *) psCache->pabyRow1Blocks,\n                         (psCache->nBytesPerBlock * psCache->nSamples) / 8 );\n    }\n    nBaseDirOffset = TIFFCurrentDirOffset( psCache->hTIFF );\n    nRet = TIFFSetSubDirectory( psCache->hTIFF, psCache->nDirOffset );\n    assert( nRet == 1 );\n\tfor( iTileX = 0; iTileX < psCache->nBlocksPerRow; iTileX++ )\n\t{\n\t\tint nTileID;\n\t\tif (psCache->nPlanarConfig == PLANARCONFIG_SEPARATE)\n\t\t{\n\t\t\tint iSample;\n\t\t\tfor( iSample = 0; iSample < psCache->nSamples; iSample++ )\n\t\t\t{\n\t\t\t\tpabyData = TIFFGetOvrBlock( psCache, iTileX, iTileY, iSample );\n\t\t\t\tif( psCache->bTiled )\n\t\t\t\t{\n\t\t\t\t\tnTileID = TIFFComputeTile( psCache->hTIFF,\n\t\t\t\t\t    iTileX * psCache->nBlockXSize,\n\t\t\t\t\t    iTileY * psCache->nBlockYSize,\n\t\t\t\t\t    0, (tsample_t) iSample );\n\t\t\t\t\tTIFFWriteEncodedTile( psCache->hTIFF, nTileID,\n\t\t\t\t\t    pabyData,\n\t\t\t\t\t    TIFFTileSize(psCache->hTIFF) );\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tnTileID = TIFFComputeStrip( psCache->hTIFF,\n\t\t\t\t\t    iTileY * psCache->nBlockYSize,\n\t\t\t\t\t    (tsample_t) iSample );\n\t\t\t\t\tRowsInStrip=psCache->nBlockYSize;\n\t\t\t\t\tif ((iTileY+1)*psCache->nBlockYSize>psCache->nYSize)\n\t\t\t\t\t\tRowsInStrip=psCache->nYSize-iTileY*psCache->nBlockYSize;\n\t\t\t\t\tTIFFWriteEncodedStrip( psCache->hTIFF, nTileID,\n\t\t\t\t\t    pabyData,\n\t\t\t\t\t    TIFFVStripSize(psCache->hTIFF,RowsInStrip) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tpabyData = TIFFGetOvrBlock( psCache, iTileX, iTileY, 0 );\n\t\t\tif( psCache->bTiled )\n\t\t\t{\n\t\t\t\tnTileID = TIFFComputeTile( psCache->hTIFF,\n\t\t\t\t    iTileX * psCache->nBlockXSize,\n\t\t\t\t    iTileY * psCache->nBlockYSize,\n\t\t\t\t    0, 0 );\n\t\t\t\tTIFFWriteEncodedTile( psCache->hTIFF, nTileID,\n\t\t\t\t    pabyData,\n\t\t\t\t    TIFFTileSize(psCache->hTIFF) );\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tnTileID = TIFFComputeStrip( psCache->hTIFF,\n\t\t\t\t    iTileY * psCache->nBlockYSize,\n\t\t\t\t    0 );\n\t\t\t\tRowsInStrip=psCache->nBlockYSize;\n\t\t\t\tif ((iTileY+1)*psCache->nBlockYSize>psCache->nYSize)\n\t\t\t\t\tRowsInStrip=psCache->nYSize-iTileY*psCache->nBlockYSize;\n\t\t\t\tTIFFWriteEncodedStrip( psCache->hTIFF, nTileID,\n\t\t\t\t    pabyData,\n\t\t\t\t    TIFFVStripSize(psCache->hTIFF,RowsInStrip) );\n\t\t\t}\n\t\t}\n\t}\n    pabyData = psCache->pabyRow1Blocks;\n    psCache->pabyRow1Blocks = psCache->pabyRow2Blocks;\n    psCache->pabyRow2Blocks = pabyData;\n    _TIFFmemset( pabyData, 0, psCache->nBytesPerRow );\n    psCache->nBlockOffset++;\n    TIFFFlush( psCache->hTIFF );\n    TIFFSetSubDirectory( psCache->hTIFF, nBaseDirOffset );\n}', 'int\nTIFFSetSubDirectory(TIFF* tif, uint64 diroff)\n{\n\ttif->tif_nextdiroff = diroff;\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_tag=IGNORE;\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_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                                        default:\n                                            if( !_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag) )\n                                                dp->tdir_tag=IGNORE;\n                                            break;\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        if (!_TIFFFillStriles(tif))\n            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\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\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",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                    if( dp->tdir_tag == TIFFTAG_BITSPERSAMPLE )\n                        bitspersample_read = TRUE;\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 *data = NULL;\n\t\t\t\t\tenum TIFFReadDirEntryErr err;\n\t\t\t\t\tuint32 saved_flags;\n\t\t\t\t\tint m;\n\t\t\t\t\tif (dp->tdir_count != (uint64)tif->tif_dir.td_samplesperpixel)\n\t\t\t\t\t\terr = TIFFReadDirEntryErrCount;\n\t\t\t\t\telse\n\t\t\t\t\t\terr = TIFFReadDirEntryDoubleArray(tif, dp, &data);\n\t\t\t\t\tif (err!=TIFFReadDirEntryErrOk)\n\t\t\t\t\t{\n\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",0);\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t}\n\t\t\t\t\tsaved_flags = tif->tif_flags;\n\t\t\t\t\ttif->tif_flags |= TIFF_PERSAMPLE;\n\t\t\t\t\tm = TIFFSetField(tif,dp->tdir_tag,data);\n\t\t\t\t\ttif->tif_flags = saved_flags;\n\t\t\t\t\t_TIFFfree(data);\n\t\t\t\t\tif (!m)\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                                _TIFFmemcpy( &(tif->tif_dir.td_stripoffset_entry),\n                                             dp, sizeof(TIFFDirEntry) );\n\t\t\t\tbreak;\n\t\t\tcase TIFFTAG_STRIPBYTECOUNTS:\n\t\t\tcase TIFFTAG_TILEBYTECOUNTS:\n                                _TIFFmemcpy( &(tif->tif_dir.td_stripbytecount_entry),\n                                             dp, sizeof(TIFFDirEntry) );\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=NULL;\n                    if( !bitspersample_read )\n                    {\n                        fip = TIFFFieldWithTag(tif,dp->tdir_tag);\n                        TIFFWarningExt(tif->tif_clientdata,module,\n                                       "Ignoring %s since BitsPerSample tag not found",\n                                       fip ? fip->field_name : "unknown tagname");\n                        continue;\n                    }\n\t\t\t\t\tif (tif->tif_dir.td_bitspersample > 24)\n\t\t\t\t\t{\n\t\t\t\t\t    fip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t    TIFFWarningExt(tif->tif_clientdata,module,\n\t\t\t\t\t\t"Ignoring %s because BitsPerSample=%d>24",\n\t\t\t\t\t\tfip ? fip->field_name : "unknown tagname",\n\t\t\t\t\t\ttif->tif_dir.td_bitspersample);\n\t\t\t\t\t    continue;\n\t\t\t\t\t}\n\t\t\t\t\tcountpersample=(1U<<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                    {\n\t\t\t\t\t\tfip = TIFFFieldWithTag(tif,dp->tdir_tag);\n\t\t\t\t\t\tTIFFReadDirEntryOutputErr(tif,err,module,fip ? fip->field_name : "unknown tagname",1);\n                    }\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        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}', 'int\nTIFFFlush(TIFF* tif)\n{\n    if( tif->tif_mode == O_RDONLY )\n        return 1;\n    if (!TIFFFlushData(tif))\n        return (0);\n    if( (tif->tif_flags & TIFF_DIRTYSTRIP)\n        && !(tif->tif_flags & TIFF_DIRTYDIRECT)\n        && tif->tif_mode == O_RDWR )\n    {\n        if( TIFFForceStrileArrayWriting(tif) )\n            return 1;\n    }\n    if ((tif->tif_flags & (TIFF_DIRTYDIRECT|TIFF_DIRTYSTRIP))\n        && !TIFFRewriteDirectory(tif))\n        return (0);\n    return (1);\n}', 'int TIFFForceStrileArrayWriting(TIFF* tif)\n{\n    static const char module[] = "TIFFForceStrileArrayWriting";\n    const int isTiled = TIFFIsTiled(tif);\n    if (tif->tif_mode == O_RDONLY)\n    {\n        TIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n                     "File opened in read-only mode");\n        return 0;\n    }\n    if( tif->tif_diroff == 0 )\n    {\n        TIFFErrorExt(tif->tif_clientdata, module,\n                     "Directory has not yet been written");\n        return 0;\n    }\n    if( (tif->tif_flags & TIFF_DIRTYDIRECT) != 0 )\n    {\n        TIFFErrorExt(tif->tif_clientdata, module,\n                     "Directory has changes other than the strile arrays. "\n                     "TIFFRewriteDirectory() should be called instead");\n        return 0;\n    }\n    if( !(tif->tif_flags & TIFF_DIRTYSTRIP) )\n    {\n        if( !(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            TIFFErrorExt(tif->tif_clientdata, module,\n                        "Function not called together with "\n                        "TIFFDeferStrileArrayWriting()");\n            return 0;\n        }\n        if (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif))\n            return 0;\n    }\n    if( _TIFFRewriteField( tif,\n                           isTiled ? TIFFTAG_TILEOFFSETS :\n                                     TIFFTAG_STRIPOFFSETS,\n                           TIFF_LONG8,\n                           tif->tif_dir.td_nstrips,\n                           tif->tif_dir.td_stripoffset_p )\n        && _TIFFRewriteField( tif,\n                              isTiled ? TIFFTAG_TILEBYTECOUNTS :\n                                        TIFFTAG_STRIPBYTECOUNTS,\n                              TIFF_LONG8,\n                              tif->tif_dir.td_nstrips,\n                              tif->tif_dir.td_stripbytecount_p ) )\n    {\n        tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n        tif->tif_flags &= ~TIFF_BEENWRITING;\n        return 1;\n    }\n    return 0;\n}', 'int\nTIFFSetupStrips(TIFF* tif)\n{\n\tTIFFDirectory* td = &tif->tif_dir;\n\tif (isTiled(tif))\n\t\ttd->td_stripsperimage =\n\t\t    isUnspecified(tif, FIELD_TILEDIMENSIONS) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfTiles(tif);\n\telse\n\t\ttd->td_stripsperimage =\n\t\t    isUnspecified(tif, FIELD_ROWSPERSTRIP) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfStrips(tif);\n\ttd->td_nstrips = td->td_stripsperimage;\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\ttd->td_stripsperimage /= td->td_samplesperpixel;\n\ttd->td_stripoffset_p = (uint64 *)\n            _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),\n                             "for \\"StripOffsets\\" array");\n\ttd->td_stripbytecount_p = (uint64 *)\n            _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),\n                             "for \\"StripByteCounts\\" array");\n\tif (td->td_stripoffset_p == NULL || td->td_stripbytecount_p == NULL)\n\t\treturn (0);\n\t_TIFFmemset(td->td_stripoffset_p, 0, td->td_nstrips*sizeof (uint64));\n\t_TIFFmemset(td->td_stripbytecount_p, 0, td->td_nstrips*sizeof (uint64));\n\tTIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);\n\tTIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);\n\treturn (1);\n}', 'uint32\nTIFFNumberOfStrips(TIFF* tif)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint32 nstrips;\n\tnstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :\n\t     TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\tnstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel,\n\t\t    "TIFFNumberOfStrips");\n\treturn (nstrips);\n}']