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43 lines
1.3 KiB
43 lines
1.3 KiB
3 years ago
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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: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2021/10/20 06:45:32 by narnaud #+# #+# */
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/* Updated: 2021/11/15 11:12:02 by narnaud ### ########.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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size_t i;
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char *ret;
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size_t s_size;
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if (!s)
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return (NULL);
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s_size = ft_strlen(s);
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if (start > s_size)
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{
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start = s_size;
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len = 0;
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}
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else if (s_size < start + len)
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len = s_size - start;
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ret = ft_calloc(len + 1, sizeof(char));
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if (!ret)
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return (NULL);
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i = 0;
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while (i < len && s[start + i])
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{
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ret[i] = s[start + i];
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i++;
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}
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ret[i] = '\0';
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return (ret);
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}
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