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ft_strnstr.c
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ft_strnstr.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strnstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tedison <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/04/02 09:34:28 by tedison #+# #+# */
/* Updated: 2021/04/06 16:25:51 by tedison ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
char *ft_strnstr(const char *haystack, const char *needle, size_t len)
{
int found;
size_t i;
size_t j;
j = 0;
i = 0;
found = 0;
if (needle[0] == '\0')
return ((char *)haystack);
while (haystack[i] && i < len)
{
j = 0;
while (needle[j] && haystack[i + j] == needle[j] && i + j < len)
{
if (needle[j + 1] == '\0')
return (&((char *)haystack)[i]);
j++;
}
i++;
}
return (NULL);
}