42_cub3d/Libft/ft_memmove.c
2024-10-09 03:35:09 +02:00

39 lines
1.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memmove.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: grobledo <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/02/10 10:32:23 by grobledo #+# #+# */
/* Updated: 2023/02/10 10:32:25 by grobledo ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
void *ft_memmove(void *dest, const void *src, size_t n)
{
size_t i;
if (!dest && !src)
return (NULL);
i = 0;
if (dest < src)
{
while (n--)
{
(((unsigned char *)dest)[i]) = (((unsigned char *)src)[i]);
i++;
}
}
else
{
i = i + n - 1;
while (n--)
{
(((unsigned char *)dest)[i]) = (((unsigned char *)src)[i]);
i--;
}
}
return ((void *)dest);
}