ft_memmove.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: arcanava <arcanava@student.42barcel>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/01/10 11:44:31 by arcanava          #+#    #+#             */
/*   Updated: 2024/01/17 18:23:24 by arcanava         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static void	*ft_memcpy_rev(void *dst, const void *src, size_t n)
{
	long	i;

	i = n - 1;
	while (i >= 0)
	{
		((char *) dst)[i] = ((char *) src)[i];
		i--;
	}
	return (dst);
}

void	*ft_memmove(void *dst, const void *src, size_t len)
{
	if (dst > src)
		ft_memcpy_rev(dst, src, len);
	else
		ft_memcpy(dst, src, len);
	return (dst);
}