ft_memmove.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sel-mlil <sel-mlil@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/23 02:14:44 by sel-mlil          #+#    #+#             */
/*   Updated: 2024/11/01 21:30:22 by sel-mlil         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memmove(void *dest, const void *src, size_t n)
{
	size_t	i;

	if (!dest && !src)
		return (NULL);
	i = 0;
	if ((char *)dest < (const char *)src)
	{
		while (i < n)
		{
			((char *)dest)[i] = ((const char *)src)[i];
			i++;
		}
	}
	else
	{
		i = n;
		while (i > 0)
		{
			((char *)dest)[i - 1] = ((const char *)src)[i - 1];
			i--;
		}
	}
	return (dest);
}