uri-util: The uri_parse_host_name_dns() would segfault if the hostnam…

…e_r parameter was NULL.
dovecot · May 16, 2016 · f95afa9 · f95afa9
1 parent 9184983
commit f95afa9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/lib/uri-util.c b/src/lib/uri-util.c
@@ -559,7 +559,8 @@ int uri_parse_host_name_dns(struct uri_parser *parser,
 	if ((ret=uri_do_parse_host_name_dns(parser, host_name)) <= 0)
 		return ret;
 
-	*host_name_r = str_c(host_name);
+	if (host_name_r != NULL)
+		*host_name_r = str_c(host_name);
 	return 1;
 }