rpl_list_node* rpl_list_prepend	(	rpl_list *	list_p,
		rpl_list_node *	node_p,
		void *	data_ptr
	)

Inserts the new node at the head of the list.

Parameters:

	list_p	Points to the list.
	node_p	Points to the new node.
	data_ptr	Points to the struct being added.

Returns:: Returns pointer to the new head of the list.

Definition at line 49 of file list.c.

References rpl_list::count, rpl_list::first, and rpl_list::last.

Referenced by config_end(), and config_start().

{
    assert(list_p != NULL);
    assert(node_p != NULL);
    assert(data_ptr != NULL);

    node_p->data_ptr = data_ptr;
    node_p->prev = NULL;
    if (list_p->count == 0)
    {
        list_p->last = node_p;
    }
    else
    {
        node_p->next = list_p->first;
        list_p->first->prev = node_p;
    }
    list_p->first = node_p;
    list_p->count++;
    return list_p->first;
}