From 3caed3e78f8830a3c2ca28292dd1a6013d027838 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Fri, 16 Oct 2026 13:08:47 +0200
Subject: [PATCH] check XGetWMHints() return value

---
 x.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/x.c b/x.c
index d73152b..76f572d 100644
--- a/x.c
+++ b/x.c
@@ -1755,7 +1755,10 @@ xsetcursor(int cursor)
 void
 xseturgency(int add)
 {
-	XWMHints *h = XGetWMHints(xw.dpy, xw.win);
+	XWMHints *h;
+
+	if (!(h = XGetWMHints(xw.dpy, xw.win)))
+		return;
 
 	MODBIT(h->flags, add, XUrgencyHint);
 	XSetWMHints(xw.dpy, xw.win, h);