79 lines
1.7 KiB
C
Executable File
79 lines
1.7 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strtrim.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/10/31 12:07:01 by tomoron #+# #+# */
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/* Updated: 2023/11/02 10:24:37 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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static int is_char_in_set(char c, char const *set)
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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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i++;
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}
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return (0);
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}
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static int calc_len(char const *s1, char const *set)
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{
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int len;
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int i;
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len = 0;
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i = 0;
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while (is_char_in_set(s1[i], set))
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i++;
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while (s1[i])
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{
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i++;
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len++;
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}
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i--;
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while (is_char_in_set(s1[i], set) && i)
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{
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i--;
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len--;
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}
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if (len < 0)
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len = 0;
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return (len);
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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 *res;
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int len;
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int i;
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int res_i;
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if (!s1 || !set)
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return (0);
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len = calc_len(s1, set);
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res = malloc((len + 1) * sizeof(char));
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i = 0;
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if (!res)
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return (res);
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while (is_char_in_set(s1[i], set))
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i++;
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res_i = 0;
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while (res_i < len)
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{
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res[res_i] = s1[i];
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res_i++;
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i++;
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}
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res[res_i] = 0;
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return (res);
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}
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