Libft/ft_memcmp.c at main · ohraineri/Libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mraineri <mraineri@student.42lisboa.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/04/20 17:55:25 by mraineri          #+#    #+#             */
/*   Updated: 2024/05/21 14:44:08 by mraineri         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	size_t	i;

	i = 0;
	if (!s1 || !s2)
		return (0);
	while (i < n)
	{
		if (((char *)s1)[i] != ((char *)s2)[i])
			return (((unsigned char *)s1)[i] - ((unsigned char *)s2)[i]);
		i++;
	}
	return (0);
}

// int main(void)
//{
//    char *str1 = "t\200";
//    char *str2 = "t\0";
//    printf("%d\n", ft_memcmp(str1, str2, 2));
//    return (0);
// }