ft_memmove.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jpinyot <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/11/11 16:36:27 by jpinyot           #+#    #+#             */
/*   Updated: 2017/11/16 00:19:28 by jpinyot          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memmove(void *dst, const void *src, size_t len)
{
	char		*d;
	const char	*s;

	d = (char *)dst;
	s = (char *)src;
	if (d > s)
	{
		s = src + len - 1;
		d = dst + len - 1;
		while (len--)
			*d-- = *s--;
	}
	else
	{
		while (len--)
			*d++ = *s++;
	}
	return (dst);
}