60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strtrim.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/11/19 17:26:06 by hulamy #+# #+# */
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/* Updated: 2019/11/19 18:15:32 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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/*
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** create a copy of s without the firsts and lasts empty characters
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*/
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/*
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** #include <libc.h>
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**
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** char *ft_strtrim(char const *s1, char const *set);
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**
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** int main(int ac, char **av)
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** {
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** if (ac == 3)
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** printf("%s\n",ft_strtrim(av[1], av[2]));
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**
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** return (0);
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** }
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*/
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#include "libft.h"
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char *ft_strtrim(char const *s1, char const *set)
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{
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int len;
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char *str;
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(void)set;
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if (!s1)
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return (NULL);
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while (s1[0] && ft_strchr(set, s1[0]))
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s1++;
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len = ft_strlen(s1) - 1;
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while (len >= 0 && ft_strchr(set, s1[len]))
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len--;
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len++;
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if (!(str = ft_strsub(s1, 0, len)))
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return (NULL);
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return (str);
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}
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