+ char const *host = st->host;
+
+ /* Keep default hostname, if:
+ * - Legacy mode is used.
+ * - "Socket" option is given (doc: "Host option is ignored").
+ * - "Host" option is not provided.
+ * - "Host" option is set to "localhost" or "127.0.0.1". */
+ if ((strcmp (st->name, "__legacy__") != 0)
+ && (st->socket == NULL)
+ && (st->host != NULL)
+ && (strcmp ("127.0.0.1", st->host) != 0)
+ && (strcmp ("localhost", st->host) != 0))
+ sstrncpy (vl->host, host, sizeof (vl->host));
+