/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_lstmap.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: vvobis <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/04/09 16:18:03 by vvobis            #+#    #+#             */
/*   Updated: 2024/04/09 23:40:57 by vvobis           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static void    *free_list(t_list **head, void (*del)(void *), void *fcontent)
{
    if (fcontent)
        del(fcontent);
    ft_lstclear(head, del);
    return (NULL);
}

t_list    *ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
{
    t_list    *tmp;
    t_list    *head;
    void    *fcontent;

    if (!lst || !f || !del)
        return (NULL);
    head = NULL;
    while (lst)
    {
        fcontent = f(lst->content);
        if (!fcontent)
            return (free_list(&head, del, fcontent));
        tmp = ft_lstnew(fcontent);
        if (!tmp)
            return (free_list(&head, del, fcontent));
        ft_lstadd_back(&head, tmp);
        lst = lst->next;
    }
    return (head);
}