From 335ac3f56f554d4e8b2d8c7e9d18a795bc7a2bff Mon Sep 17 00:00:00 2001
From: Sascha Kruse <knopwob@googlemail.com>
Date: Fri, 13 Jul 2012 10:08:14 +0200
Subject: [PATCH] exit when display can't be opened

---
 draw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/draw.c b/draw.c
index 51a828e..d55db09 100644
--- a/draw.c
+++ b/draw.c
@@ -183,8 +183,10 @@ DC *initdc(void)
                 exit(EXIT_FAILURE);
         }
 
-        if (!(dc->dpy = XOpenDisplay(NULL)))
+        if (!(dc->dpy = XOpenDisplay(NULL))) {
                 eprintf("cannot open display\n");
+                exit(EXIT_FAILURE);
+        }
 
         dc->gc = XCreateGC(dc->dpy, DefaultRootWindow(dc->dpy), 0, NULL);
         XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter);