libft/ft_memcmp.c at main · lizafotkaet/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ebarbash <ebarbash@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/18 15:28:33 by ebarbash          #+#    #+#             */
/*   Updated: 2024/10/26 12:42:13 by ebarbash         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stdlib.h>

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	unsigned char	*s1_temp;
	unsigned char	*s2_temp;

	s1_temp = (unsigned char *)s1;
	s2_temp = (unsigned char *)s2;
	if (n == 0)
		return (0);
	while (n > 1 && (*s1_temp == *s2_temp))
	{
		s1_temp++;
		s2_temp++;
		n--;
	}
	return ((int)(*s1_temp - *s2_temp));
}