-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_strtrim.c
44 lines (40 loc) · 1.37 KB
/
ft_strtrim.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
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nristorc <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/11/13 18:32:48 by nristorc #+# #+# */
/* Updated: 2017/11/16 15:26:47 by nristorc ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_whitespace(int c)
{
if (c == ' ' || c == '\n' || c == '\t')
return (1);
return (0);
}
char *ft_strtrim(char const *s)
{
char *new;
size_t start;
size_t end;
new = NULL;
start = 0;
if (s)
{
end = ft_strlen(s);
while (ft_whitespace(s[start]))
start++;
while (ft_whitespace(s[end - 1]))
end--;
if (end < start)
end = start;
if (!(new = ft_strnew(end - start)))
return (NULL);
ft_strncpy(new, (s + start), (end - start));
}
return (new);
}