From 406aebcbd2d9526834ad4131ac8b454a9f27c0d9 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 | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/dwl.c b/dwl.c
index ebb74b8..f76e30f 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1192,9 +1192,11 @@ focusclient(Client *c, int lift)
 void
 focusmon(const Arg *arg)
 {
-	do
-		selmon = dirtomon(arg->i);
-	while (!selmon->wlr_output->enabled);
+	int i = 0, nmons = wl_list_length(&mons);
+	if (nmons)
+		do /* don't switch to disabled mons */
+			selmon = dirtomon(arg->i);
+		while (!selmon->wlr_output->enabled && i++ < nmons);
 	focusclient(focustop(selmon), 1);
 }