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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:07:14 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:07:14 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <stddef.h>
#include <inttypes.h>
char
*ft_strnstr(const char *haystack, const char *needle, size_t len)
{
unsigned long i;
unsigned long j;
char *hay_ptr;
char *nee_ptr;
hay_ptr = (char*)haystack;
nee_ptr = (char*)needle;
i = 0;
if (!nee_ptr[0])
return (hay_ptr);
while (hay_ptr[i] && i < len)
{
j = 0;
while (nee_ptr[j] == hay_ptr[i + j] && (i + j) < len)
{
if (!nee_ptr[j + 1])
return (hay_ptr + i);
j++;
}
if (!hay_ptr[i + 1] && !j)
return (0);
i++;
}
return (0);
}
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