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ft_lstmap.c
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ft_lstmap.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_lstmap.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dalves-p <dalves-p@student.42sp.org.br> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/06/07 17:16:43 by dalves-p #+# #+# */
/* Updated: 2021/06/28 11:24:33 by dalves-p ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
/*
** LIBRARY: N/A
** DESCRIPTION:
** The ft_lstmap() function iterates the list ’lst’ and applies the function
** ’f’ to the content of each element. Creates a new list resulting of the
** successive applications of the function ’f’. The ’del’ function is used to
** delete the content of an element if needed.
*/
t_list *ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void *))
{
t_list *new_list;
t_list *elem;
if (!lst || !f)
return (0);
new_list = 0;
while (lst != NULL)
{
elem = ft_lstnew(f(lst->content));
if (elem == NULL)
{
ft_lstclear(&new_list, del);
return (0);
}
ft_lstadd_back(&new_list, elem);
lst = lst->next;
}
return (new_list);
}