diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_strip.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_strip.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_strip.c b/src/3rdparty/libtiff/libtiff/tif_strip.c index 568e489..6cac71d 100644 --- a/src/3rdparty/libtiff/libtiff/tif_strip.c +++ b/src/3rdparty/libtiff/libtiff/tif_strip.c @@ -1,4 +1,4 @@ -/* $Id: tif_strip.c,v 1.35 2012-06-06 05:33:55 fwarmerdam Exp $ */ +/* $Id: tif_strip.c,v 1.36 2015-06-07 22:35:40 bfriesen Exp $ */ /* * Copyright (c) 1991-1997 Sam Leffler @@ -317,7 +317,14 @@ TIFFScanlineSize64(TIFF* tif) } } else + { scanline_size=TIFFhowmany_64(_TIFFMultiply64(tif,td->td_imagewidth,td->td_bitspersample,module),8); + } + if (scanline_size == 0) + { + TIFFErrorExt(tif->tif_clientdata,module,"Computed scanline size is zero"); + return 0; + } return(scanline_size); } tmsize_t @@ -328,8 +335,7 @@ TIFFScanlineSize(TIFF* tif) tmsize_t n; m=TIFFScanlineSize64(tif); n=(tmsize_t)m; - if ((uint64)n!=m) - { + if ((uint64)n!=m) { TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow"); n=0; } |