56 lines
1.4 KiB
C
56 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: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2020/11/29 23:52:05 by apommier #+# #+# */
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/* Updated: 2020/12/11 16:21:55 by apommier ### ########.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 const *set, char c)
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{
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int i;
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i = 0;
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while (set[i])
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{
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if (set[i] == c)
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return (1);
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}
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return (0);
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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 j;
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int i;
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int len;
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char *dest;
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i = 0;
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j = 0;
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len = ft_strlen(s1);
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while (is_set(set, s1[i]))
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i++;
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while (is_set(set, s1[len - j - 1]))
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j++;
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len = len - i - j;
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dest = malloc(sizeof(char) * (len + 1));
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if (dest == 0)
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return (0);
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j = 0;
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while (s1[i] && len - j)
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{
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dest[j] = s1[i];
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i++;
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j++;
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}
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dest[j] = 0;
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return (dest);
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}
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