enum cmd_retval
cmd_rename_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args	*args = self->args;
	struct session	*s;
	const char	*newname;

	newname = args->argv[0];
	if (!session_check_name(newname)) {
		cmdq_error(cmdq, "bad session name: %s", newname);
		return (CMD_RETURN_ERROR);
	}
	if (session_find(newname) != NULL) {
		cmdq_error(cmdq, "duplicate session: %s", newname);
		return (CMD_RETURN_ERROR);
	}

	if ((s = cmd_find_session(cmdq, args_get(args, 't'), 0)) == NULL)
		return (CMD_RETURN_ERROR);

	RB_REMOVE(sessions, &sessions, s);
	free(s->name);
	s->name = xstrdup(newname);
	RB_INSERT(sessions, &sessions, s);

	server_status_session(s);
	notify_session_renamed(s);

	return (CMD_RETURN_NORMAL);
}
int
cmd_rename_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
	struct args	*args = self->args;
	struct session	*s;
	const char	*newname;

	newname = args->argv[0];
	if (!session_check_name(newname)) {
		ctx->error(ctx, "bad session name: %s", newname);
		return (-1);
	}
	if (session_find(newname) != NULL) {
		ctx->error(ctx, "duplicate session: %s", newname);
		return (-1);
	}

	if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
		return (-1);

	RB_REMOVE(sessions, &sessions, s);
	xfree(s->name);
	s->name = xstrdup(newname);
	RB_INSERT(sessions, &sessions, s);

	server_status_session(s);
	notify_session_renamed(s);

	return (0);
}