Function extract_nobj

src/mkobj.c:2595–2614

Extract the given object from the chain, following nobj chain. */

/* Extract the given object from the chain, following nobj chain. */
void
extract_nobj(struct obj *obj, struct obj **head_ptr)
{
    struct obj *curr, *prev;

    curr = *head_ptr;
    for (prev = (struct obj *) 0; curr; prev = curr, curr = curr->nobj) {
        if (curr == obj) {
            if (prev)
                prev->nobj = curr->nobj;
            else
                *head_ptr = curr->nobj;
            break;
        }
    }
    if (!curr)
        panic("extract_nobj: object lost");
    obj->where = OBJ_FREE;
    obj->nobj = (struct obj *) 0;
}

/*
 * Extract the given object from the chain, following nexthere chain.