40 lines
1.4 KiB
C
40 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: grobledo <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/18 18:34:05 by grobledo #+# #+# */
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/* Updated: 2023/02/18 18:34:08 by grobledo ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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char *ft_strtrim(const char *s1, const char *set)
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{
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size_t i;
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size_t j;
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size_t k;
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size_t dlen;
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char *dest;
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if (!s1)
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return (NULL);
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i = 0;
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j = ft_strlen(s1);
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k = -1;
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while (ft_strchr(set, s1[i]) != 0 && s1[i])
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i++;
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if (!s1[i])
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return (ft_strdup(""));
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while (ft_strchr(set, s1[j]) != 0 && j > 0)
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j--;
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dlen = (j - i);
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dest = ft_calloc ((dlen + 2), sizeof (char));
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if (dest == 0)
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return (NULL);
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while (++k <= dlen)
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dest[k] = s1[i + k];
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return (dest);
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}
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