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ft_strtrim.c
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ft_strtrim.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tsomsa <tsomsa@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/02/23 22:15:25 by tsomsa #+# #+# */
/* Updated: 2022/02/23 22:15:26 by tsomsa ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int check_set(char const c, char const *set);
char *ft_strtrim(char const *s1, char const *set)
{
int i;
int len;
char *str;
len = ft_strlen(s1);
while (check_set(*(s1 + len - 1), set) && len > 0)
len--;
while (check_set(*s1++, set) && len > 0)
len--;
s1--;
i = 0;
str = malloc(sizeof(char) * len + 1);
if (!str)
return (str);
while (i < len)
str[i++] = *s1++;
str[i] = '\0';
return (str);
}
static int check_set(char const c, char const *set)
{
while (*set)
if (c == *set++)
return (1);
return (0);
}