From 3176e2a6b78dd1487d2d2d29bff4fb08f4c7399f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Tue, 18 Nov 2025 22:25:20 +0100
Subject: [PATCH] core: free highlight_regex if the regex is invalid in
 function gui_buffer_set_highlight_regex

---
 src/gui/gui-buffer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gui/gui-buffer.c b/src/gui/gui-buffer.c
index 356ab1675..65d7fd9b3 100644
--- a/src/gui/gui-buffer.c
+++ b/src/gui/gui-buffer.c
@@ -2144,6 +2144,8 @@ gui_buffer_set_highlight_regex (struct t_gui_buffer *buffer,
                 {
                     free (buffer->highlight_regex_compiled);
                     buffer->highlight_regex_compiled = NULL;
+                    free (buffer->highlight_regex);
+                    buffer->highlight_regex = NULL;
                 }
             }
         }