rules.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   rules.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: macos <macos@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/11 23:10:27 by macos             #+#    #+#             */
/*   Updated: 2023/02/11 23:11:52 by macos            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

void	swap(t_data **data)
{
	t_data	*temp;

	if (ft_lstsize(*data) < 2)
		return ;
	temp = (*data)->next;
	(*data)->next = temp->next;
	temp->next = *data;
	*data = temp;
}

void	sa(t_data **a_swap)
{
	swap(a_swap);
	write(1, "sa\n", 3);
}

void	sb(t_data **b_swap)
{
	swap(b_swap);
	write(1, "sb\n", 3);
}

void	ss(t_data **a_swap, t_data **b_swap)
{
	if ((ft_lstsize(*a_swap) < 2) || (ft_lstsize(*b_swap) < 2))
		return ;
	swap(a_swap);
	swap(b_swap);
	write(1, "ss\n", 3);
}