ft_lstmap.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: saugustu <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/10/28 20:54:12 by saugustu          #+#    #+#             */
/*   Updated: 2020/10/28 20:54:17 by saugustu         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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