system/vbindiff: Fix segfault.

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/system/vbindiff/vbindiff-prevent-segfault.patch b/system/vbindiff/vbindiff-prevent-segfault.patch
new file mode 100644
index 0000000000..2b6c173f0b
--- /dev/null
+++ b/system/vbindiff/vbindiff-prevent-segfault.patch
@@ -0,0 +1,25 @@
+From 879a63ac5f0ffdbe7350ccc7438692a6669d26f2 Mon Sep 17 00:00:00 2001
+From: Peter Ross <pross@xvid.org>
+Date: Sat, 22 Feb 2014 22:50:54 +1100
+Subject: [PATCH] vbindiff: prevent segfault when comparing files of different
+ length
+
+---
+ vbindiff.cpp | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/vbindiff.cpp b/vbindiff.cpp
+index 116a037..a032bc6 100644
+--- a/vbindiff.cpp
++++ b/vbindiff.cpp
+@@ -487,6 +487,8 @@ void FileDisplay::display()
+ 
+       buf[index++] = displayTable[data->line[i][j]];
+     }
++    if (index < 0)
++        index = 0;
+     memset(buf + index, ' ', sizeof(buf) - index - 1);
+     memset(str, ' ', screenWidth - (str - buf2));
+ 
+-- 
+1.8.3.2