「✨」 feat(libft): added a very cool feature !

libft/lst/ft_lstmap.c

@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_lstmap.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/11/11 18:24:49 by adjoly            #+#    #+#             */
+/*   Updated: 2024/02/04 14:58:45 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../libft.h"
+
+t_list	*ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
+{
+	t_list	*res;
+	t_list	*tmp;
+
+	if (!lst || !f || !del)
+		return (NULL);
+	res = NULL;
+	while (lst)
+	{
+		tmp = ft_lstnew(f(lst->content));
+		if (tmp == NULL)
+		{
+			ft_lstclear(&tmp, del);
+			return (NULL);
+		}
+		ft_lstadd_back(&res, tmp);
+		lst = lst->next;
+	}
+	return (res);
+}