commit e2abe33: [Minor] Add null safety to rspamd_regexp_new

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2020-08-15 14:53:54 +0100
URL: https://github.com/rspamd/rspamd/commit/e2abe3362a932d9fa3335b2f935496bd19d1cc12 (HEAD -> master)

[Minor] Add null safety to rspamd_regexp_new

---
 src/libutil/regexp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libutil/regexp.c b/src/libutil/regexp.c
index ce764a893..93b8125e4 100644
--- a/src/libutil/regexp.c
+++ b/src/libutil/regexp.c
@@ -325,6 +325,12 @@ rspamd_regexp_new (const gchar *pattern, const gchar *flags,
 
 	rspamd_regexp_library_init (NULL);
 
+	if (pattern == NULL) {
+		g_set_error (err, rspamd_regexp_quark(), EINVAL,
+				"cannot create regexp from a NULL pattern");
+		return NULL;
+	}
+
 	if (flags == NULL) {
 		/* We need to parse pattern and detect flags set */
 		if (*start == '/') {