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ft_strtrim.c
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ft_strtrim.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nreddy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/05/27 09:45:11 by nreddy #+# #+# */
/* Updated: 2019/05/28 16:47:48 by nreddy ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strtrim(char const *s)
{
size_t len;
size_t start;
size_t end;
if (s == NULL)
return (NULL);
len = 0;
start = 0;
end = (ft_strlen(s) - 1);
if (end > ft_strlen(s))
return (ft_strnew(1));
while (s[start] == '\t' || s[start] == '\n' || s[start] == ' ')
start++;
if ((start - 1) == end)
return (ft_strnew(1));
while (s[end] == '\t' || s[end] == '\n' || s[end] == ' ')
end--;
len = (end - start + 1);
return ((ft_strsub(s, start, len)));
}