ft_lstmap.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rel-fila <rel-fila@student.1337.ma>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/21 12:42:23 by rel-fila          #+#    #+#             */
/*   Updated: 2022/10/21 12:43:39 by rel-fila         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
{
	t_list	*new_list;
	t_list	*save;

	if (!lst || !f || !del)
		return (0);
	new_list = ft_lstnew(f(lst->content));
	if (!new_list)
		return (0);
	save = new_list;
	lst = lst->next;
	while (lst)
	{
		new_list->next = ft_lstnew(f(lst->content));
		if (!new_list->next)
		{
			ft_lstclear(&save, del);
			return (0);
		}
		new_list = new_list->next;
		lst = lst->next;
	}
	new_list->next = NULL;
	return (save);
}