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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/03/06 16:07:54 by dkaiser #+# #+# */
/* Updated: 2024/03/11 15:04:28 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *haystack, const char *needle, size_t len)
{
size_t i;
size_t k;
if (!*haystack && *needle)
return (0);
i = 0;
if (*needle == '\0' || needle == haystack)
return ((char *)haystack);
while (i < len && haystack[i])
{
k = 0;
while (haystack[i + k] && haystack[i + k] == needle[k] && i + k < len)
k++;
if (!needle[k])
return ((char *)haystack + i);
i++;
}
return (0);
}
/* #include <stdio.h> */
/* int main(void) */
/* { */
/* char haystack[] = "abc"; */
/* char needle[] = "abcde"; */
/* size_t len = 5; */
/* printf("strnstr: %s\n", strnstr(haystack, needle, len)); */
/* printf("ft_strnstr: %s\n", ft_strnstr(haystack, needle, len)); */
/* } */
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