X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=utils%2Fgrabclient.c;h=3589ad9821d6af4d6f983faf4e99799646861f79;hp=8f6778bc0d3b0ff66cf7cb33c12730eb4d972c8c;hb=6b1c86cf395f59389e4ece4ea8f4bea2c332745b;hpb=488f2fa8fbdbc77e91a70da2962d73af49e6cace

diff --git a/utils/grabclient.c b/utils/grabclient.c
index 8f6778bc..3589ad98 100644
--- a/utils/grabclient.c
+++ b/utils/grabclient.c
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 1992-2006 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1992-2008 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -657,6 +657,8 @@ load_random_image_1 (Screen *screen, Window window, Drawable drawable,
   XRectangle geom_ret_2;
   char *name_ret_2 = 0;
 
+  if (!drawable) abort();
+
   if (callback) {
     geom_ret = &geom_ret_2;
     name_ret = &name_ret_2;