ft_memmove.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: myoshie <myoshie@student.42tokyo.jp>       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/04/08 03:01:29 by myoshie           #+#    #+#             */
/*   Updated: 2022/05/31 02:27:18 by myoshie          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memmove(void *dst, const void *src, size_t len)
{
	if (dst == src || len == 0)
		return (dst);
	if (dst < src)
		ft_memcpy(dst, src, len);
	else if (dst > src)
	{
		while (len--)
			*(unsigned char *)(dst + len) = *(unsigned char *)(src + len);
	}
	return (dst);
}