[Xen-changelog] [xen-unstable] [XEN] Fix array ngative accesses in figlet tool.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID e87e5d216c0b0243342487256e820aa5b5950d89
# Parent  65b33e64b6421fbc8bcb266ecd65278953b75cb1
[XEN] Fix array ngative accesses in figlet tool.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/tools/figlet/figlet.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff -r 65b33e64b642 -r e87e5d216c0b xen/tools/figlet/figlet.c
--- a/xen/tools/figlet/figlet.c Thu Sep 14 16:01:46 2006 +0100
+++ b/xen/tools/figlet/figlet.c Fri Sep 15 10:59:18 2006 +0100
@@ -1448,8 +1448,9 @@ inchr c;
       }
     else {
       for (k=0;k<smushamount;k++) {
-        outputline[row][outlinelen-smushamount+k] =
-          smushem(outputline[row][outlinelen-smushamount+k],currchar[row][k]);
+        if (outlinelen-smushamount+k >= 0)
+          outputline[row][outlinelen-smushamount+k] =
+            
smushem(outputline[row][outlinelen-smushamount+k],currchar[row][k]);
         }
       strcat(outputline[row],currchar[row]+smushamount);
       }

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