libft/ft_memmove.c at main · maiadegraaf/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   ft_memmove.c                                       :+:    :+:            */
/*                                                     +:+                    */
/*   By: mgraaf <mgraaf@student.codam.nl>             +#+                     */
/*                                                   +#+                      */
/*   Created: 2021/12/16 14:23:07 by mgraaf        #+#    #+#                 */
/*   Updated: 2021/12/16 14:23:08 by mgraaf        ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

	i = 0;
	if (src == 0 && dst == 0)
		return (0);
	if (dst < src)
	{
		while (n)
		{
			((char *)dst)[i] = ((char *)src)[i];
			i++;
			n--;
		}
	}
	else
	{
		while (n)
		{
			((char *)dst)[n - 1] = ((char *)src)[n - 1];
			n--;
		}
	}
	return (dst);
}