From 3543d79048f4fc0e72c57f109a201baf4ebfaf3e Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Tue, 4 Mar 2025 08:03:19 +0000
Subject: [PATCH] Free fill character string if it cannot be used, GitHub issue
 4394.

---
 window.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/window.c b/window.c
index a6354e20..dc220462 100644
--- a/window.c
+++ b/window.c
@@ -1759,6 +1759,8 @@ window_set_fill_character(struct window *w)
 		ud = utf8_fromcstr(value);
 		if (ud != NULL && ud[0].width == 1)
 			w->fill_character = ud;
+		else
+			free(ud);
 	}
 }