37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strnstr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tchivert <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/04/04 20:27:28 by tchivert #+# #+# */
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/* Updated: 2019/09/04 05:13:34 by tchivert ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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char *ft_strnstr(const char *haystack, const char *needle, size_t len)
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{
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unsigned int i;
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unsigned int j;
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i = 0;
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if (!*needle)
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return ((char *)haystack);
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while (haystack[i] && i < len)
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{
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if (haystack[i] == needle[0])
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{
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j = 1;
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while (needle[j] && haystack[i + j] == needle[j] && (i + j) < len)
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j++;
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if (needle[j] == '\0')
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return ((char *)haystack + i);
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}
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i++;
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}
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return (0);
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}
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