/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strnstr.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: grobledo <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/13 22:07:12 by grobledo          #+#    #+#             */
/*   Updated: 2023/02/13 22:07:14 by grobledo         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
#include "libft.h"

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

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