system/vbindiff/vbindiff-prevent-segfault.patch



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