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ft_strtrim.c
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ft_strtrim.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: yuotsuka <yuotsuka@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/18 21:06:16 by yuotsuka #+# #+# */
/* Updated: 2024/05/24 06:14:33 by yuotsuka ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strtrim(char const *s1, char const *set)
{
char *(str);
int (start), end;
if (!s1 || !set)
return (NULL);
start = 0;
end = ft_strlen(s1) - 1;
while (ft_strchr(set, s1[start]) && start <= end)
start++;
while (ft_strrchr(set, s1[end]) && end >= 0)
end--;
if (ft_strchr (set, s1[start]) && start >= end)
return (ft_strdup(""));
str = malloc(end - start + 2);
if (!str)
return (NULL);
ft_strlcpy(str, &s1[start], (end - start + 2));
return (str);
}