/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   t_slist.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/01/09 18:46:50 by apommier          #+#    #+#             */
/*   Updated: 2022/01/09 18:46:50 by apommier         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

t_slist	*new_slist(void *content)
{
	t_slist	*new;

	new = (t_slist *)malloc(sizeof(t_slist));
	if (!new)
		return (0);
	new->action = content;
	new->next = 0;
	return (new);
}

void	s_lstclear(t_slist **lst)
{
	t_slist	*chr;

	chr = *lst;
	while (*lst)
	{
		chr = (*lst)->next;
		free(*lst);
		*lst = chr;
	}
	lst = 0;
}

void	s_lstadd_back(t_slist **alst, t_slist *new)
{
	if (*alst == 0)
		*alst = new;
	else
		s_lstlast(*alst)->next = new;
	new->next = 0;
}

t_slist	*s_lstlast(t_slist *lst)
{
	if (!lst)
		return (0);
	while (lst->next)
		lst = lst->next;
	return (lst);
}

void	printf_slist(t_slist *start)
{
	int	i;

	i = 0;
	while (start)
	{
		i++;
		ft_putendl_fd((char *)start->action, 1);
		start = start->next;
	}
}