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54 lines
1.6 KiB
54 lines
1.6 KiB
3 years ago
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strtrim.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/10/20 13:49:37 by narnaud #+# #+# */
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/* Updated: 2022/03/24 09:22:49 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../libft.h"
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static int ft_search_char(char c, char const *set)
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{
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size_t i;
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size_t set_len;
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if (!c)
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return (0);
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i = 0;
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set_len = ft_strlen(set);
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while (i < set_len)
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if (c == set[i++])
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return (1);
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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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unsigned int i;
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unsigned int b_out;
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unsigned int e_out;
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char *ret;
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if (!s1)
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return (NULL);
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i = 0;
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b_out = 0;
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e_out = ft_strlen(s1);
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while (ft_search_char(s1[b_out], set))
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b_out++;
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while (e_out > b_out && ft_search_char(s1[e_out - 1], set))
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e_out--;
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ret = malloc((e_out - b_out + 1) * sizeof(char));
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if (!ret)
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return (NULL);
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while (b_out < e_out)
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ret[i++] = s1[b_out++];
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ret[i] = '\0';
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return (ret);
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}
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