ft_lstmap.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ael-khni <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/07 06:50:58 by ael-khni          #+#    #+#             */
/*   Updated: 2021/11/07 21:09:17 by ael-khni         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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