From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Sat, 17 Jul 2021 09:07:14 +0000 (+0100)
Subject: [Minor] Fix another extreme case
X-Git-Tag: 3.0~139
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=66d8ff3b6b07343c31dc66c2db8720c912302bf0;p=rspamd.git

[Minor] Fix another extreme case
---

diff --git a/src/libutil/regexp.c b/src/libutil/regexp.c
index 700b595c1..584c0c5c9 100644
--- a/src/libutil/regexp.c
+++ b/src/libutil/regexp.c
@@ -309,7 +309,7 @@ rspamd_regexp_t*
 rspamd_regexp_new_len (const gchar *pattern, gsize len, const gchar *flags,
 		GError **err)
 {
-	const gchar *start = pattern, *end = start + len, *flags_str = NULL, *flags_end;
+	const gchar *start = pattern, *end = start + len, *flags_str = NULL, *flags_end = NULL;
 	gchar *err_str;
 	rspamd_regexp_t *res;
 	gboolean explicit_utf = FALSE;
@@ -372,7 +372,9 @@ rspamd_regexp_new_len (const gchar *pattern, gsize len, const gchar *flags,
 		strict_flags = TRUE;
 		start = pattern;
 		flags_str = flags;
-		flags_end = flags + strlen(flags);
+		if (flags) {
+			flags_end = flags + strlen(flags);
+		}
 	}
 
 	rspamd_flags |= RSPAMD_REGEXP_FLAG_RAW;