Function discard_flashes

src/light.c:360–370

camera flashes have Null object; caller wants to get rid of them now */

/* camera flashes have Null object; caller wants to get rid of them now */
staticfn void
discard_flashes(void)
{
    light_source *ls, *nxt_ls;

    for (ls = gl.light_base; ls; ls = nxt_ls) {
        nxt_ls = ls->next;
        if (ls->type == LS_OBJECT && !ls->id.a_obj)
            delete_ls(ls);
    }
}

/* (mon->mx == 0) implies migrating */
#define mon_is_local(mon) ((mon)->mx > 0)