ft_memmove.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tgrekov <tgrekov@student.hive.fi>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/10/23 15:24:02 by tgrekov           #+#    #+#             */
/*   Updated: 2023/11/04 22:47:05 by tgrekov          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
 
void    *ft_memmove(void *dst, const void *src, size_t len)
{
    size_t  i;
    char    dir;
 
    if (src != dst)
    {
        i = 0;
        dir = 1;
        if (dst > src)
        {
            i = len - 1;
            dir = -1;
        }
        while (len--)
        {
            ((unsigned char *) dst)[i] = ((unsigned char *) src)[i];
            i += dir;
        }
    }
    return (dst);
}