From e082c0eae9aff551c95b32acfda068247850f179 Mon Sep 17 00:00:00 2001
From: "kaf24@firebug.cl.cam.ac.uk" <kaf24@firebug.cl.cam.ac.uk>
Date: Fri, 15 Sep 2006 10:59:18 +0100
Subject: [XEN] Fix array ngative accesses in figlet tool. Signed-off-by: Keir
 Fraser <keir@xensource.com>

---
 xen/tools/figlet/figlet.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'xen/tools')

diff --git a/xen/tools/figlet/figlet.c b/xen/tools/figlet/figlet.c
index 8e79e83170..5d02ad51fd 100644
--- a/xen/tools/figlet/figlet.c
+++ b/xen/tools/figlet/figlet.c
@@ -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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