87 lines
1.8 KiB
C
87 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: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/09/29 02:41:32 by erey-bet #+# #+# */
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/* Updated: 2022/10/05 14:41:29 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int get_start(const char *str, char const *set)
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{
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int i;
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int y;
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int check;
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i = 0;
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while (str[i])
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{
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y = 0;
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check = 0;
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while (set[y])
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{
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if (str[i] == set[y])
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check = 1;
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y++;
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}
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if (check == 0)
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return (i);
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i++;
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}
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return (0);
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}
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static int get_end(const char *str, char const *set)
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{
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int i;
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int y;
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int check;
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i = ft_strlen(str) - 1;
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while (i > 0)
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{
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y = 0;
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check = 0;
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while (set[y])
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{
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if (str[i] == set[y])
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check = 1;
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y++;
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}
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if (check == 0)
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return (i + 1);
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i--;
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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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char *str;
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int i;
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int start;
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int end;
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if (s1 == NULL || set == NULL)
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return (NULL);
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start = get_start(s1, set);
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end = get_end(s1, set);
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str = malloc(end - start + 1);
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if (str == NULL)
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return (NULL);
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i = 0;
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while (start < end)
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{
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str[i] = s1[start];
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i++;
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start++;
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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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