From 25ffd7627828d5a6d1858e0fd5f2a4b796c72be8 Mon Sep 17 00:00:00 2001
From: Vinson Lee <vlee@vmware.com>
Date: Wed, 6 Jan 2010 18:08:17 -0800
Subject: progs/xdemos: Check for string overflow.

---
 progs/xdemos/sharedtex_mt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/progs/xdemos/sharedtex_mt.c b/progs/xdemos/sharedtex_mt.c
index f924448cc43..a90903adeca 100644
--- a/progs/xdemos/sharedtex_mt.c
+++ b/progs/xdemos/sharedtex_mt.c
@@ -174,6 +174,10 @@ AddWindow(Display *dpy, const char *displayName, int xpos, int ypos,
    {
       static int id = 0;
       struct window *h = &Windows[NumWindows];
+      if (strlen(displayName) + 1 > sizeof(h->DisplayName)) {
+         Error(displayName, "string overflow");
+         return NULL;
+      }
       strcpy(h->DisplayName, displayName);
       h->Dpy = dpy;
       h->Win = win;
-- 
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