diff options
author | erouault <erouault> | 2017-04-27 19:50:01 +0000 |
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committer | erouault <erouault> | 2017-04-27 19:50:01 +0000 |
commit | ce502b8863e5ae916e591a6212279966d9563bce (patch) | |
tree | c6004625cf0f708f66b54a13a74942ec75a4609c /tools | |
parent | cf9d7dabaaf759ab71f4449fb8bb25d62172e944 (diff) | |
download | libtiff-ce502b8863e5ae916e591a6212279966d9563bce.tar.gz |
* litiff/tif_fax3.c: avoid crash in Fax3Close() on empty file.
Patch by Alan Coopersmith + complement by myself.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2673
* tools/fax2tiff.c: emit appropriate message if the input file is
empty. Patch by Alan Coopersmith.
Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2672
Diffstat (limited to 'tools')
-rw-r--r-- | tools/fax2tiff.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/fax2tiff.c b/tools/fax2tiff.c index 01f85540..d43c2dca 100644 --- a/tools/fax2tiff.c +++ b/tools/fax2tiff.c @@ -1,4 +1,4 @@ -/* $Id: fax2tiff.c,v 1.26 2016-11-20 18:04:52 bfriesen Exp $ */ +/* $Id: fax2tiff.c,v 1.27 2017-04-27 19:50:01 erouault Exp $ */ /* * Copyright (c) 1990-1997 Sam Leffler @@ -371,6 +371,10 @@ copyFaxFile(TIFF* tifin, TIFF* tifout) int ok; tifin->tif_rawdatasize = (tmsize_t)TIFFGetFileSize(tifin); + if (tifin->tif_rawdatasize == 0) { + TIFFError(tifin->tif_name, "Empty input file"); + return (0); + } tifin->tif_rawdata = _TIFFmalloc(tifin->tif_rawdatasize); if (tifin->tif_rawdata == NULL) { TIFFError(tifin->tif_name, "Not enough memory"); |