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ft_strtrim.c
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ft_strtrim.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: imurugar <[email protected] +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/09/13 15:53:48 by imurugar #+# #+# */
/* Updated: 2022/09/13 15:53:48 by imurugar ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strtrim(char const *s1, char const *set)
{
char *target;
int start;
int end;
if (!s1)
return (NULL);
start = 0;
end = ft_strlen(s1) - 1;
while (s1[start])
{
if (!ft_strchr(set, s1[start]))
break ;
start++;
}
while (end > start)
{
if (!ft_strchr(set, s1[end]))
break ;
end--;
}
target = (char *)ft_calloc((end - start + 2), sizeof(char));
if (target)
ft_strlcpy(target, s1 + start, (end - start + 2));
return (target);
}