[Xcb-commit] xcb-demo xcbrandr.c,1.2,1.3

[Bart Massey]

Update of /cvs/xcb/xcb-demo
In directory gabe:/tmp/cvs-serv24528

Modified Files:
	xcbrandr.c 
Log Message:
Keep xcbrandr from dumping core or otherwise botching trying
to print a display_name if none was found.



Index: xcbrandr.c
===================================================================
RCS file: /cvs/xcb/xcb-demo/xcbrandr.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- xcbrandr.c	8 Dec 2005 05:54:52 -0000	1.2
+++ xcbrandr.c	11 Dec 2005 21:10:05 -0000	1.3
@@ -217,6 +217,12 @@
  
   if (verbose) query = 1;
 
+  if (!display_name)
+      display_name = getenv("DISPLAY");
+  if (!display_name) {
+      fprintf (stderr, "No display available\n");
+      exit (1);
+  }
   c = XCBConnect(display_name, &screen);
   if (!c) {
       fprintf (stderr, "Can't open display %s\n", display_name);