/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strstr.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: whaffman <whaffman@student.codam.nl>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/11 14:58:08 by whaffman          #+#    #+#             */
/*   Updated: 2024/06/11 14:58:17 by whaffman         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdio.h>
#include <string.h>

int	compare(char *str, char *to_find)
{
	int	found;

	found = 0;
	while (*to_find)
	{
		if (*str != *to_find)
		{
			found = 0;
			break ;
		}
		else
		{
			str++;
			to_find++;
			found = 1;
		}
	}
	return (found);
}

char	*ft_strstr(char *str, char *to_find)
{
	int		found;

	if (!*to_find)
		return (str);
	found = 0;
	while (*str)
	{
		if (compare(str, to_find))
			return (str);
		str++;
	}
	return (NULL);
}

#ifdef DEBUG

void	test(char *str, char *to_find)
{
	printf("haystack: \"%s\"\nneedle:   \"%s\"\n", \
		str, to_find);
	printf("index(ft_strstr):    %ld\nindex(strstr):       %ld\n", \
		ft_strstr(str, to_find) - str, strstr(str, to_find) - str);
}

int	main(void)
{
	test("Hello, World!", "o, ");
	test("Hello, World!", "o");
	test("Hello, World!", "");
	test("Hello, World!", "H");
	test("Hello, World!", "Z");
	return (0);
}
#endif