48 lines
1.4 KiB
C
48 lines
1.4 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: vvobis <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/04/04 19:30:35 by vvobis #+# #+# */
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/* Updated: 2024/04/15 13:07:55 by vvobis ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int is_set(char c, char const *s)
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{
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while (*s)
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if (c == *s++)
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return (1);
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return (0);
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}
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static int find_end(char const *s1, char const *set)
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{
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int i;
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i = 0;
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while (*s1)
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s1++;
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while (is_set(*--s1, set))
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i++;
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return (i);
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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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if (!s1)
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return (NULL);
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if (!set)
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return ((char *)s1);
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while (is_set(*s1, set) && *s1)
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s1++;
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if ((int)ft_strlen(s1) > find_end(s1, set))
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return (ft_substr(s1, 0, ft_strlen(s1) - find_end(s1, set)));
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else
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return (ft_calloc(1, 1));
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}
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