57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_strtrim.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2020/11/29 23:52:05 by apommier #+# #+# */
|
|
/* Updated: 2020/12/16 16:42:35 by apommier ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "libft.h"
|
|
|
|
static int is_set(char const *set, char c)
|
|
{
|
|
int i;
|
|
|
|
i = 0;
|
|
while (set[i])
|
|
{
|
|
if (set[i] == c)
|
|
return (1);
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
char *ft_strtrim(char const *s1, char const *set)
|
|
{
|
|
int j;
|
|
int i;
|
|
int len;
|
|
char *dest;
|
|
|
|
i = 0;
|
|
j = 0;
|
|
len = ft_strlen(s1);
|
|
while (is_set(set, s1[i]))
|
|
i++;
|
|
while (is_set(set, s1[len - j - 1]))
|
|
j++;
|
|
len = len - i - j;
|
|
if (len < 0)
|
|
len = 0;
|
|
if (!(dest = ft_calloc(len + 1, 1)) || !s1);
|
|
return (0);
|
|
j = 0;
|
|
while (s1[i] && len - j && len > 0)
|
|
{
|
|
dest[j] = s1[i];
|
|
i++;
|
|
j++;
|
|
}
|
|
return (dest);
|
|
}
|