commit 753e0e048e13fe7cbace7c07917d26081a483eba
from: Anselm R Garbe <garbeam@gmail.com>
date: Tue Sep  2 17:47:01 2008 UTC

applied Gottox' grabkey patch

commit - d15d4ba45abe06f5ac069e384bd7b46b55c0d286
commit + 753e0e048e13fe7cbace7c07917d26081a483eba
blob - 12871cd8568bbeeb284c49a2d9ce67a5e7170884
blob + bdef7555b7e9d10f4c00bed34126c4f42be51cd3
--- dwm.c
+++ dwm.c
@@ -763,10 +763,10 @@ grabkeys(void) {
 
 		XUngrabKey(dpy, AnyKey, AnyModifier, root);
 		for(i = 0; i < LENGTH(keys); i++) {
-			code = XKeysymToKeycode(dpy, keys[i].keysym);
-			for(j = 0; j < LENGTH(modifiers); j++)
-				XGrabKey(dpy, code, keys[i].mod | modifiers[j], root, True,
-					 GrabModeAsync, GrabModeAsync);
+			if((code = XKeysymToKeycode(dpy, keys[i].keysym)))
+				for(j = 0; j < LENGTH(modifiers); j++)
+					XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
+						 True, GrabModeAsync, GrabModeAsync);
 		}
 	}
 }