From 7df6c5c4194e2c90b0117f105519680eb92700bc Mon Sep 17 00:00:00 2001
From: DreamMaoMao <2523610504@qq.com>
Date: Sun, 1 Jun 2025 10:25:24 +0800
Subject: [PATCH] fix: crash when use no_border_when_single

---
 src/maomao.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/maomao.c b/src/maomao.c
index 1c7f563..c5c7e07 100644
--- a/src/maomao.c
+++ b/src/maomao.c
@@ -1077,7 +1077,7 @@ bool check_hit_no_border(Client *c) {
     }
   }
 
-  if (no_border_when_single && c->mon->visible_clients == 1) {
+  if (no_border_when_single && c && c->mon && c->mon->visible_clients == 1) {
     hit_no_border = true;
   }
   return hit_no_border;