From d7fae8e19ca461dfb076bdb1427d97a2bdde4386 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?=
 <leohdz172@protonmail.com>
Date: Sat, 13 Aug 2022 19:57:20 -0500
Subject: [PATCH] prevent an infinite loop if try to use focusmon() with all
 monitors disabled

---
 dwl.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dwl.c b/dwl.c
index 40ea05a..36429b7 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1199,9 +1199,12 @@ focusclient(Client *c, int lift)
 void
 focusmon(const Arg *arg)
 {
-	do
+	Monitor *m = selmon;
+	do {
 		selmon = dirtomon(arg->i);
-	while (!selmon->wlr_output->enabled);
+		if (!selmon || selmon == m)
+			break;
+	} while (!selmon->wlr_output->enabled);
 	focusclient(focustop(selmon), 1);
 }