From: Anselm R Garbe <garbeam@gmail.com>
Date: Fri, 18 Jul 2008 19:18:45 +0000 (+0100)
Subject: potential crash fix if xinerama behaves broken, though I doubt it
X-Git-Url: https://git.danieliu.xyz/?a=commitdiff_plain;h=6fad4c49f17f154b49846d379e347897b747f793;p=dwm.git

potential crash fix if xinerama behaves broken, though I doubt it
---

diff --git a/dwm.c b/dwm.c
index 34bcd99..52bb9f1 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1562,8 +1562,7 @@ updategeom(void) {
 	XineramaScreenInfo *info = NULL;
 
 	/* window area geometry */
-	if(XineramaIsActive(dpy)) {
-		info = XineramaQueryScreens(dpy, &n);
+	if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) { 
 		if(n > 1) {
 			int di, x, y;
 			unsigned int dui;