From fbc022a77a53db568f7764ea65d8014127e5c107 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sun, 4 Aug 2019 13:30:53 +0200
Subject: [PATCH] core: return NULL immediately if string is NULL in function
 hook_modifier_exec

---
 src/core/hook/wee-hook-modifier.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/hook/wee-hook-modifier.c b/src/core/hook/wee-hook-modifier.c
index e9cb30904..af1cad1cd 100644
--- a/src/core/hook/wee-hook-modifier.c
+++ b/src/core/hook/wee-hook-modifier.c
@@ -92,7 +92,7 @@ hook_modifier_exec (struct t_weechat_plugin *plugin, const char *modifier,
     /* make C compiler happy */
     (void) plugin;
 
-    if (!modifier || !modifier[0])
+    if (!modifier || !modifier[0] || !string)
         return NULL;
 
     new_msg = NULL;