From afa81c4594a887c048be73d12cf07e569c8a9b69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sat, 5 Jul 2014 10:15:29 +0200
Subject: core: check that regex is not NULL in function string_regex_flags

---
 src/core/wee-string.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/core/wee-string.c b/src/core/wee-string.c
index 13168b312..5becd6409 100644
--- a/src/core/wee-string.c
+++ b/src/core/wee-string.c
@@ -854,10 +854,13 @@ string_regex_flags (const char *regex, int default_flags, int *flags)
     int set_flag, flag;
     char *pos;
 
-    ptr_regex = regex;
     if (flags)
         *flags = default_flags;
 
+    if (!regex)
+        return NULL;
+
+    ptr_regex = regex;
     while (strncmp (ptr_regex, "(?", 2) == 0)
     {
         pos = strchr (ptr_regex, ')');
-- 
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