Function food_disappears

src/eat.c:395–403

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 * do_reset_eat() at the beginning of eatfood()) and check for null pointers * in do_reset_eat(). */

 * in do_reset_eat().
 */
void
food_disappears(struct obj *obj)
{
    if (obj == svc.context.victual.piece)
        svc.context.victual = zero_victual; /* victual.piece = 0, .o_id = 0 */

    if (obj->timed)
        obj_stop_timers(obj);
}

/* renaming an object used to result in it having a different address,
   so the sequence start eating/opening, get interrupted, name the food,