/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ps_rot.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/21 16:07:55 by tmaze             #+#    #+#             */
/*   Updated: 2019/02/21 16:26:22 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

void	ps_rot(t_stack **s)
{
	t_stack	*tmp;
	t_stack	*ind;

	if (*s != NULL && ps_stksize(*s) > 2)
	{
		tmp = ps_stkpop(s);
		ind = *s;
		while (ind->next != NULL)
			ind = ind->next;
		ind->next = tmp;
	}
	else if (*s != NULL && ps_stksize(*s) == 2)
		ps_swap(s);
}

void	ps_rrot(t_stack **a, t_stack **b)
{
	ps_rot(a);
	ps_rot(b);
}