ft_lstlast_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstlast_bonus.c                                 :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: simarcha <simarcha@student.42barcel>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/02/20 18:37:09 by simarcha          #+#    #+#             */
/*   Updated: 2024/10/05 23:15:43 by simarcha         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

//we just want to return the last node of the list
t_list	*ft_lstlast(t_list *lst)
{
	t_list	*ptr;

	ptr = lst;
	if (!lst)
		return (NULL);
	while (ptr->next != NULL)
		ptr = ptr->next;
	return (ptr);
}
/*
//1. we want to create a function that's create nodes
//2. we want to create a function that link the second node with the first one
//3. we create the main

t_list	*ft_lstnew(void *content)
{
	t_list	*lst;

	lst = malloc(sizeof(t_list));
	if (!lst)
		return (NULL);
	lst->content = content;
	lst->next = NULL;
	return (lst);
}

void	ft_lstaddfront(t_list **lst, t_list *new)
{
	new->next = *lst;
	*lst = new;
}

#include <stdio.h>
void	ft_lstprint(t_list *lst)
{
	while (lst != NULL)
	{
		printf("%s\n", (char *)lst->content);
		lst = lst->next;
	}
}

int	main(void)
{
	t_list	*lst;
	t_list	*node1;
	t_list	*node2;
	t_list	*tmp;

	node1 = ft_lstnew("a");
	node2 = ft_lstnew("b");
	ft_lstaddfront(&node1, node2);
	
	lst = node2;
	ft_lstprint(lst);
	printf("\n");

	tmp = ft_lstlast(lst);
	printf("%s\n", (char *)tmp->content);

	while (lst != NULL)
	{
		tmp = lst;
		lst = lst->next;
		free(tmp);
	}
	free(lst);

	return (0);
}
*/