From: kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Date: Fri, 15 Sep 2006 09:59:18 +0000 (+0100)
Subject: [XEN] Fix array ngative accesses in figlet tool.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15658^2~52^2~9
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=e082c0eae9aff551c95b32acfda068247850f179;p=xen.git

[XEN] Fix array ngative accesses in figlet tool.
Signed-off-by: Keir Fraser <keir@xensource.com>
---

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);
       }