-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_lstmap.c
66 lines (59 loc) · 1.93 KB
/
ft_lstmap.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/* ************************************************************************** */
/* */
/* :::::::: */
/* ft_lstmap.c :+: :+: */
/* +:+ */
/* By: dreijans <dreijans@student.codam.nl> +#+ */
/* +#+ */
/* Created: 2022/11/17 15:14:08 by dreijans #+# #+# */
/* Updated: 2022/11/17 15:14:10 by dreijans ######## odam.nl */
/* */
/* ************************************************************************** */
#include "libft.h"
t_list *ft_lstmap(t_list *lst, void *(*f)(void *), void (*del)(void*))
{
t_list *new_lst;
t_list *mod_node;
void *new_content;
new_lst = NULL;
while (lst)
{
new_content = (*f)(lst->content);
if (new_content == NULL)
{
ft_lstclear(&new_lst, del);
return (NULL);
}
mod_node = ft_lstnew(new_content);
if (mod_node == NULL)
{
del(new_content);
ft_lstclear(&new_lst, del);
return (NULL);
}
ft_lstadd_back(&new_lst, mod_node);
lst = lst->next;
}
return (new_lst);
}
/*
Parameters:
lst: The address of a pointer to a node.
f: The address of the function used to iterate on
the list.
del: The address of the function used to delete
the content of a node if needed.
Return:
value The new list.
NULL if the allocation fails.
External functs:
malloc, free
Description:
1) Iterates the list ’lst’ and applies the function
’f’ on the content of each node.
2) Creates a new list resulting
of the successive applications of
the function ’f’.
3)The ’del’ function is used to
delete the content of a node if needed.
*/