80 lines
1.8 KiB
C
80 lines
1.8 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: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/11/06 16:31:38 by dgaillet #+# #+# */
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/* Updated: 2025/11/06 17:02:34 by dgaillet ### ########lyon.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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int test_charset(char c, char const *set)
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{
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if (!set[0])
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return (0);
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if (c == set[0])
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return (1);
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return (test_charset(c, set + 1));
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}
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int end_trim(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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if (!s1[0])
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return (0);
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while (s1[i])
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i++;
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i--;
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while (test_charset(s1[i], set))
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i--;
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return (i);
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}
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int start_trim(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 (test_charset(s1[i], 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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int start;
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int end;
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int i;
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char *str;
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i = 0;
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start = start_trim(s1, set);
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end = end_trim(s1, set);
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str = malloc(sizeof(char) * (end - start + 2));
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if (!str)
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return (NULL);
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while (start + i <= end)
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{
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str[i] = s1[i + start];
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i++;
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}
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str[i] = '\0';
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return (str);
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}
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/*
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int main(void)
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{
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char *test;
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test = ft_strtrim("lorem \n ipsum \t dolor \n sit \t amet", " ");
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printf("%s\n", test);
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free(test);
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}
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*/
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