system/vbindiff: Fix segfault.

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

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

system/vbindiff/vbindiff.SlackBuild

@@ -21,7 +21,7 @@
 
 PRGNAM=vbindiff
 VERSION=${VERSION:-3.0_beta4}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -68,6 +68,8 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+patch -p1 < $CWD/vbindiff-prevent-segfault.patch
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \