/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ps_swap.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/21 14:06:40 by tmaze             #+#    #+#             */
/*   Updated: 2019/02/21 15:19:00 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

void	ps_swap(t_stack **s)
{
	int	tmp;

	if (*s != NULL && ps_stksize(*s) >= 2)
	{
		tmp = (*s)->nb;
		(*s)->nb = (*s)->next->nb;
		(*s)->next->nb = tmp;
	}
}

void	ps_sswap(t_stack **a, t_stack **b)
{
	ps_swap(a);
	ps_swap(b);
}