+
+int bus_append_strv_iter(DBusMessageIter *iter, char **l) {
+ DBusMessageIter sub;
+
+ assert(iter);
+
+ if (!dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, "s", &sub))
+ return -ENOMEM;
+
+ STRV_FOREACH(l, l)
+ if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, l))
+ return -ENOMEM;
+
+ if (!dbus_message_iter_close_container(iter, &sub))
+ return -ENOMEM;
+
+ return 0;
+}
+
+int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) {
+
+ assert(iter);
+ assert(data);
+
+ if (dbus_message_iter_get_arg_type(iter) != type)
+ return -EIO;
+
+ dbus_message_iter_get_basic(iter, data);
+
+ if (!dbus_message_iter_next(iter) != !next)
+ return -EIO;
+
+ return 0;
+}