/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strnstr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/10/07 10:25:13 by cacharle          #+#    #+#             */
/*   Updated: 2019/10/07 10:26:11 by cacharle         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>
#include <string.h>
#include "libft.h"

char	*ft_strnstr(const char *big, const char *little, size_t len)
{
	size_t	i;
	size_t	j;
	size_t	little_len;

	little_len = ft_strlen(little);
	if (little_len == 0 || len == 0)
		return ((char*)big);
	i = 0;
	while (i < len && big[i])
	{
		j = 0;
		while (i + j < len && little[j] && big[i + j])
		{
			if (little[j] != big[i + j])
				break ;
			j++;
		}
		if (j == little_len)
			return ((char*)big + i);
		i++;
	}
	return (NULL);
}