ft_lstmap.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tbenoist <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2015/12/03 08:07:04 by tbenoist          #+#    #+#             */
/*   Updated: 2015/12/10 13:26:23 by tbenoist         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

t_list	*ft_lstmap(t_list *lst, t_list *(*f)(t_list *elem))
{
	t_list	*new;
	t_list	*start;

	if (!(new = ft_lstnew((f(lst))->content, (f(lst))->content_size)))
		return (NULL);
	new->content_size = (f(lst))->content_size;
	start = new;
	lst = lst->next;
	while (lst)
	{
		if (!(new->next = ft_lstnew((f(lst))->content, (f(lst))->content_size)))
			return (NULL);
		else
		{
			new = new->next;
			new->content_size = (f(lst))->content_size;
			lst = lst->next;
		}
	}
	return (start);
}