diff options
| author | erouault <erouault> | 2017-01-14 13:12:33 +0000 |
|---|---|---|
| committer | erouault <erouault> | 2017-01-14 13:12:33 +0000 |
| commit | 7ae18cf04df0af8794e7d9431ace7cd74f297f61 (patch) | |
| tree | 9852e1ca97c8ab22b6c87c588d0d2fadae30761b /tools | |
| parent | c8b7f53f523445c70bc8810698367444934cf89b (diff) | |
| download | libtiff-7ae18cf04df0af8794e7d9431ace7cd74f297f61.tar.gz | |
* tools/raw2tiff.c: avoid integer division by zero.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2631
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/raw2tiff.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/raw2tiff.c b/tools/raw2tiff.c index 7298e80a..083e9ee7 100644 --- a/tools/raw2tiff.c +++ b/tools/raw2tiff.c @@ -1,4 +1,4 @@ -/* $Id: raw2tiff.c,v 1.28 2015-08-19 02:31:04 bfriesen Exp $ +/* $Id: raw2tiff.c,v 1.29 2017-01-14 13:12:33 erouault Exp $ * * Project: libtiff tools * Purpose: Convert raw byte sequences in TIFF images @@ -408,8 +408,14 @@ guessSize(int fd, TIFFDataType dtype, _TIFF_off_t hdr_size, uint32 nbands, } else if (*width == 0 && *length == 0) { unsigned int fail = 0; fprintf(stderr, "Image width and height are not specified.\n"); + w = (uint32) sqrt(imagesize / longt); + if( w == 0 ) + { + fprintf(stderr, "Too small image size.\n"); + return -1; + } - for (w = (uint32) sqrt(imagesize / longt); + for (; w < sqrt(imagesize * longt); w++) { if (imagesize % w == 0) { |