mirror of
https://github.com/Ladebeze66/libft.git
synced 2025-12-13 04:36:55 +01:00
42 lines
1.4 KiB
C
Executable File
42 lines
1.4 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strnstr.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: fgras-ca <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/11 14:31:40 by fgras-ca #+# #+# */
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/* Updated: 2023/02/21 10:08:36 by fgras-ca ### ########.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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size_t i;
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size_t j;
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i = 0;
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if (needle == haystack)
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return ((char *)haystack);
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if (!len && !haystack)
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return (0);
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while (haystack[i] != '\0')
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{
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j = 0;
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while (haystack[i + j] == needle[j] && (i + j) < len)
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{
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if (haystack[i + j] == '\0' && needle[j] == '\0')
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{
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return ((char *)&haystack[j]);
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}
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j++;
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}
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if (needle[j] == '\0')
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return ((char *)(haystack + i));
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i++;
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}
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return (NULL);
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}
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