/* ************************************************************************** */
/*                                                          LE - /            */
/*                                                              /             */
/*   ft_memmove.c                                     .::    .:/ .      .::   */
/*                                                 +:+:+   +:    +:  +:+:+    */
/*   By: rbousset <marvin@le-101.fr>                +:+   +:    +:    +:+     */
/*                                                 #+#   #+    #+    #+#      */
/*   Created: 2019/10/08 18:57:44 by rbousset     #+#   ##    ##    #+#       */
/*   Updated: 2019/10/13 08:38:47 by rbousset    ###    #+. /#+    ###.fr     */
/*                                                         /                  */
/*                                                        /                   */
/* ************************************************************************** */

#include <libft.h>
#include <stddef.h>

void
	*ft_memmove(void *dst, const void *src, size_t len)
{
	const char	*from = (const char*)src;
	char		*to;
	int			i;
	size_t		j;

	to = (char*)dst;
	if (to > from && to - from < (int)len)
	{
		i = len;
		while (--i >= 0)
			to[i] = from[i];
		return (dst);
	}
	if (from > to && from - to < (int)len)
	{
		j = -1;
		while (++j < len)
			to[j] = from[j];
		return (dst);
	}
	ft_memcpy(dst, src, len);
	return (dst);
}