Function tty_get_ext_cmd

win/tty/getline.c:291–326

* Read in an extended command, doing command line completion. We * stop when we have found enough characters to make a unique command. */

 * stop when we have found enough characters to make a unique command.
 */
int
tty_get_ext_cmd(void)
{
    char buf[BUFSZ];
    int nmatches;
    int *ecmatches = 0;
    boolean (*no_hook)(char *base) = (boolean (*)(char *)) 0;
    char extcmd_char[2];

    if (iflags.extmenu)
        return extcmd_via_menu();

    suppress_history = TRUE;
    /* maybe a runtime option?
     * hooked_tty_getlin("#", buf,
     *                   (flags.cmd_comp && !gi.in_doagain)
     *                      ? ext_cmd_getlin_hook
     *                      : (getlin_hook_proc) 0);
     */
    extcmd_char[0] = extcmd_initiator(), extcmd_char[1] = '\0';
    buf[0] = '\0';
    hooked_tty_getlin(extcmd_char, buf,
                      !gi.in_doagain ? ext_cmd_getlin_hook : no_hook);
    (void) mungspaces(buf);

    nmatches = (buf[0] == '\0' || buf[0] == '\033') ? -1
              : extcmds_match(buf, ECM_IGNOREAC | ECM_EXACTMATCH, &ecmatches);
    if (nmatches != 1) {
        if (nmatches != -1)
            pline("%s%.60s: unknown extended command.",
                  visctrl(extcmd_char[0]), buf);
        return -1;
    }

    return ecmatches[0];
}

#endif /* TTY_GRAPHICS */