diff options
Diffstat (limited to 'third_party/libtiff/tif_aux.c')
| -rw-r--r-- | third_party/libtiff/tif_aux.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/third_party/libtiff/tif_aux.c b/third_party/libtiff/tif_aux.c index 74532c8c6f..b1772f4c96 100644 --- a/third_party/libtiff/tif_aux.c +++ b/third_party/libtiff/tif_aux.c @@ -1,4 +1,4 @@ -/* $Id: tif_aux.c,v 1.29 2016-11-11 20:45:53 erouault Exp $ */ +/* $Id: tif_aux.c,v 1.31 2017-11-17 20:21:00 erouault Exp $ */ /* * Copyright (c) 1991-1997 Sam Leffler @@ -359,6 +359,13 @@ _TIFFUInt64ToDouble(uint64 ui64) } } +int _TIFFSeekOK(TIFF* tif, toff_t off) +{ + /* Huge offsets, especially -1 / UINT64_MAX, can cause issues */ + /* See http://bugzilla.maptools.org/show_bug.cgi?id=2726 */ + return off <= (~(uint64)0)/2 && TIFFSeekFile(tif,off,SEEK_SET)==off; +} + /* vim: set ts=8 sts=8 sw=8 noet: */ /* * Local Variables: |