36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_substr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/09/28 18:53:44 by cchauvet #+# #+# */
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/* Updated: 2022/10/05 20:53:19 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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char *ft_substr(char const *s, unsigned int start, size_t len)
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{
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ssize_t size;
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char *ptr;
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if (s == NULL)
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return (NULL);
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size = ft_strlen(s);
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size -= start;
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if (size < 0)
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size = 0;
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if ((size_t)size > len)
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size = len;
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ptr = malloc((size + 1) * sizeof(char));
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if (ptr == NULL)
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return (NULL);
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ptr[size] = '\0';
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while (size-- > 0)
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ptr[size] = s[start + size];
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return (ptr);
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}
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