/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ps_rerot.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/21 16:32:04 by tmaze             #+#    #+#             */
/*   Updated: 2019/02/21 16:38:13 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

void				ps_rerot(t_stack **s)
{
	t_stack	*prec;
	t_stack	*tmp;

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

void				ps_rrerot(t_stack **a, t_stack **b)
{
	ps_rerot(a);
	ps_rerot(b);
}