Function touchfood

src/eat.c:359–388

/* might destroy otmp if hero drops it */
staticfn struct obj *
touchfood(struct obj *otmp)
{
    if (otmp->quan > 1L) {
        if (!carried(otmp))
            (void) splitobj(otmp, otmp->quan - 1L);
        else
            otmp = splitobj(otmp, 1L);
        debugpline0("split food,");
    }

    if (!otmp->oeaten) {
        costly_alteration(otmp, COST_BITE);
        otmp->oeaten = obj_nutrition(otmp);
    }

    if (carried(otmp)) {
        freeinv(otmp);
        if (inv_cnt(FALSE) >= invlet_basic) {
            sellobj_state(SELL_DONTSELL);
            dropy(otmp);
            sellobj_state(SELL_NORMAL);
            if (otmp->where == OBJ_DELETED)
                otmp = (struct obj *) NULL;
        } else {
            otmp = addinv_nomerge(otmp);
        }
    }
    return otmp;
}

/* When food decays, in the middle of your meal, we don't want to dereference
 * any dangling pointers, so set it to null (which should still trigger