libft/ft_memmove.c at master · thatobenedict/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memmove.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tbenedic <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/05/29 15:05:24 by tbenedic          #+#    #+#             */
/*   Updated: 2018/06/13 18:18:30 by tbenedic         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

void	*ft_memmove(void *dst, const void *src, size_t len)
{
	size_t i;
	size_t j;

	i = 0;
	j = len;
	if (src < dst)
	{
		j = len;
		while (j > 0)
		{
			j--;
			((char *)dst)[j] = ((char *)src)[j];
		}
	}
	else
	{
		while (i < len)
		{
			((char *)dst)[i] = ((char *)src)[i];
			i++;
		}
	}
	return (dst);
}