/* Like fprintf to stderr; also set exit_status if script_mode is set. */
static void
error(const char *fmt, ...)
{
    va_list ap;

    if (script_mode)
        exit_status = 1;
    va_start(ap, fmt);
    vfprintf(stderr, fmt, ap);
    va_end(ap);
}

static void
usage()
{
    error(_("Usage: %s [-r realm] [-p principal] [-q query] "
            "[clnt|local args]\n"
            "              [command args...]\n"
            "\tclnt args: [-s admin_server[:port]] "
            "[[-c ccache]|[-k [-t keytab]]]|[-n]\n"
            "\tlocal args: [-x db_args]* [-d dbname] "
            "[-e \"enc:salt ...\"] [-m]"
            "where,\n\t[-x db_args]* - any number of database specific "
            "arguments.\n"
            "\t\t\tLook at each database documentation for supported "
            "arguments\n"), whoami);
    exit(1);
}