/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ps_rerot.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/21 16:32:04 by tmaze             #+#    #+#             */
/*   Updated: 2019/03/20 21:33:00 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

void	ps_rerot(t_psdata *data, char c)
{
	t_stack	*s;
	t_stack	*tmp;
	size_t	*size;

	if (c == 'a')
		s = data->a;
	if (c == 'a')
		size = &(data->size_a);
	else if (c == 'b')
		s = data->b;
	if (c == 'b')
		size = &(data->size_b);
	if (s != NULL && *size > 2)
	{
		tmp = s->next;
		while (tmp->next != NULL)
		{
			tmp = tmp->next;
			s = s->next;
		}
		s->next = NULL;
		(*size)--;
		ps_stkpsh(data, c, tmp);
	}
	else if (s != NULL && *size == 2)
		ps_swap(data, c);
}

void	ps_rrerot(t_psdata *data)
{
	ps_rerot(data, 'a');
	ps_rerot(data, 'b');
}