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| author | Julian Smith <julian.smith@artifex.com> | 2022-04-07 21:18:45 +0100 |
|---|---|---|
| committer | Julian Smith <julian.smith@artifex.com> | 2022-04-08 14:00:25 +0100 |
| commit | 250afadfa2dfbea8f0e68f0dac08ea9d38ceaaf6 (patch) | |
| tree | 30db7d44a5e9050bef42c158040ac63376daa744 /pcl | |
| parent | 276dc19f45bf09c8f1273d01ed5ce7c0161d7369 (diff) | |
| download | ghostpdl-250afadfa2dfbea8f0e68f0dac08ea9d38ceaaf6.tar.gz | |
pcl/pcl/rtrstcmp.c:uncompress_9(): fix for bug 705155.
Don't let <i> decrement below zero.
Diffstat (limited to 'pcl')
| -rw-r--r-- | pcl/pcl/rtrstcmp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/pcl/pcl/rtrstcmp.c b/pcl/pcl/rtrstcmp.c index c1dfc9984..56e154e72 100644 --- a/pcl/pcl/rtrstcmp.c +++ b/pcl/pcl/rtrstcmp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2021 Artifex Software, Inc. +/* Copyright (C) 2001-2022 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -183,14 +183,16 @@ uncompress_9(pcl_seed_row_t * pout, const byte * pin, int in_size) more_cnt = (cnt == 0x8); } - while (more_offset && (i-- > 0)) { + while (more_offset && (i > 0)) { uint extra = *pin++; + i -= 1; more_offset = (extra == 0xff); offset += extra; } - while (more_cnt && (i-- > 0)) { + while (more_cnt && (i > 0)) { uint extra = *pin++; + i -= 1; more_cnt = (extra == 0xff); offset += extra; |