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ft_strtrim.c
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ft_strtrim.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strtrim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mgiraldo <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/27 14:59:29 by mgiraldo #+# #+# */
/* Updated: 2020/02/28 14:10:47 by mgiraldo ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strtrim(char const *s)
{
char *new;
char *ptr;
const char *end;
if (!s)
return (NULL);
while (*s && (ft_isblank(*s) || *s == 10))
++s;
if (!*s)
return (ft_strnew(0));
end = s + ft_strlen(s) - 1;
while (ft_isblank(*end) || *end == 10)
--end;
new = ft_strnew(1 + end - s);
if (!new)
return (NULL);
ptr = new;
while (s <= end)
*new++ = (char)*s++;
return (ptr);
}