Function count_target_containers

src/pickup.c:3848–3864

returns number of containers in object chain; does not recurse into containers; skips bags of tricks when they're known */

/* returns number of containers in object chain; does not recurse into
   containers; skips bags of tricks when they're known */
staticfn int
count_target_containers(
    struct obj *olist,   /* list of objects (invent) */
    struct obj *excludo) /* particular object to exclude if found in list */
{
    int ret = 0;

    while (olist) {
        if (olist != excludo && Is_container(olist)
            /* include bag of tricks when not known to be such */
            && (box->otyp != BAG_OF_TRICKS || !box->dknown
                || !objects[box->otyp].oc_name_known))
            ret++;
        olist = olist->nobj;
    }
    return ret;
}
#endif

/* ask user for a carried container into which they want box to be emptied;