-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_strtrim.c
61 lines (52 loc) · 1.65 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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: smizuoch <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/05/20 16:34:05 by smizuoch #+# #+# */
/* Updated: 2023/05/27 13:08:28 by smizuoch ### ########.fr */
/* */
/* ************************************************************************** */
#include"libft.h"
static size_t ft_strtrim_left(char const *s1, char const *set)
{
size_t i;
i = 0;
while (s1[i] && ft_strchr(set, s1[i]))
i++;
return (i);
}
static size_t ft_strtrim_right(char const *s1, char const *set)
{
size_t i;
i = ft_strlen(s1) - 1;
while (i > 0 && ft_strchr(set, s1[i]))
i--;
return (i);
}
char *ft_strtrim(char const *s1, char const *set)
{
size_t len;
size_t left;
size_t right;
char *str;
if (!s1 || !set)
return (NULL);
left = ft_strtrim_left(s1, set);
right = ft_strtrim_right(s1, set);
if (left > right)
return (ft_strdup(""));
len = right - left + 1;
str = ft_substr(s1, left, len);
if (!str)
return (NULL);
return (str);
}
/* int main(void)
{
char s1[] = "hello world";
char *sub = ft_strtrim(s1, "");
printf("%s\n", sub);
} */