ft_lstmap.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: nbarreir <nbarreir@student.42sp.org.br>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/21 02:10:04 by nbarreir          #+#    #+#             */
/*   Updated: 2021/04/21 17:19:43 by nbarreir         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
{
	t_list	*n_list;
	t_list	*elem;

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