From 7b496197efcd8fa18860a6d9b426a81c1b695ce3 Mon Sep 17 00:00:00 2001
From: Sebastien Helleu <flashcode@flashtux.org>
Date: Sat, 8 Feb 2014 12:46:34 +0100
Subject: [PATCH] trigger: fix crash in callback if one regex is NULL (invalid)

---
 src/plugins/trigger/trigger-callback.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/plugins/trigger/trigger-callback.c b/src/plugins/trigger/trigger-callback.c
index 515948884..6742e74e1 100644
--- a/src/plugins/trigger/trigger-callback.c
+++ b/src/plugins/trigger/trigger-callback.c
@@ -82,6 +82,10 @@ trigger_callback_replace_regex (struct t_trigger *trigger,
 
     for (i = 0; i < trigger->regex_count; i++)
     {
+        /* if regex is not set (invalid), skip it */
+        if (!trigger->regex[i].regex)
+            continue;
+
         ptr_key = (trigger->regex[i].variable) ?
             trigger->regex[i].variable :
             trigger_hook_regex_default_var[weechat_config_integer (trigger->options[TRIGGER_OPTION_HOOK])];