ft_memmove.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sbin-jef <sbin-jef@student.42kl.edu.my>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/28 15:16:25 by sbin-jef          #+#    #+#             */
/*   Updated: 2024/08/11 21:56:17 by sbin-jef         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <unistd.h>
#include "libft.h"

void	*ft_memmove(void *dest, const void *src, size_t n)
{
	unsigned char		*d;
	const unsigned char	*s;

	d = (unsigned char *)dest;
	s = (const unsigned char *)src;
	if (d == s)
		return (dest);
	if (d < s)
	{
		while (n--)
			*d++ = *s++;
	}
	else
	{
		d += n;
		s += n;
		while (n--)
			*(--d) = *(--s);
	}
	return (dest);
}