From 2ee71c769924256985febae6da0a1fec42a3b1f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Mon, 30 Oct 2023 12:16:31 +0100
Subject: [PATCH] core: check that buffer is not NULL in function
 gui_chat_printf_date_tags_internal

---
 src/gui/gui-chat.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gui/gui-chat.c b/src/gui/gui-chat.c
index 0eb3d168c..b4471d59c 100644
--- a/src/gui/gui-chat.c
+++ b/src/gui/gui-chat.c
@@ -597,6 +597,9 @@ gui_chat_printf_date_tags_internal (struct t_gui_buffer *buffer,
     char *modifier_data, *string, *new_string, *pos_newline;
     struct t_gui_line *new_line;
 
+    if (!buffer)
+        return;
+
     new_line = NULL;
     string = NULL;
     modifier_data = NULL;