diff -r c12572045630 dmenu.c
--- a/dmenu.c	Thu Apr 01 21:40:11 2010 +0100
+++ b/dmenu.c	Sun Apr 04 01:12:57 2010 +0000
@@ -371,7 +371,7 @@
 	KeySym ksym;
 
 	len = strlen(text);
-	buf[0] = 0;
+	buf[0] = '\0';
 	num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
 	if(IsKeypadKey(ksym)) {
 		if(ksym == XK_KP_Enter)
@@ -414,7 +414,8 @@
 			break;
 		case XK_u:
 		case XK_U:
-			text[0] = 0;
+			cursor = 0;
+			text[0] = '\0';
 			match(text);
 			break;
 		case XK_w: