Function disarm_squeaky_board

src/trap.c:5629–5660

it may not make much sense to use grease on floor boards, but so what? */

/* it may not make much sense to use grease on floor boards, but so what? */
staticfn int
disarm_squeaky_board(struct trap *ttmp)
{
    struct obj *obj;
    boolean bad_tool;
    int fails;

    obj = getobj("untrap with", unsqueak_ok, GETOBJ_PROMPT);
    if (!obj)
        return 0;

    bad_tool = (obj->cursed
                || ((obj->otyp != POT_OIL || obj->lamplit)
                    && (obj->otyp != CAN_OF_GREASE || !obj->spe)));
    fails = try_disarm(ttmp, bad_tool);
    if (fails < 2)
        return fails;

    /* successfully used oil or grease to fix squeaky board */
    if (obj->otyp == CAN_OF_GREASE) {
        consume_obj_charge(obj, TRUE);
    } else {
        useup(obj); /* oil */
        makeknown(POT_OIL);
    }
    You("repair the squeaky board."); /* no madeby_u */
    deltrap(ttmp);
    newsym(u.ux + u.dx, u.uy + u.dy);
    more_experienced(1, 5);
    newexplevel();
    return 1;
}

/* removes traps that shoot arrows, darts, etc. */
staticfn int