Files
42_INT_01_libft/srcs/ft_memmove.c
2019-11-28 15:05:47 +01:00

38 lines
1.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memmove.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/11/25 13:56:25 by hulamy #+# #+# */
/* Updated: 2019/11/28 14:57:58 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
/*
** copy n characters from src to dst in a non destructive way and return dst
*/
#include "libft.h"
void *ft_memmove(void *dst, const void *src, size_t len)
{
size_t i;
char *cpsrc;
char *cpdst;
i = -1;
cpsrc = (char *)src;
cpdst = (char *)dst;
if (dst == src)
return (dst);
if (cpsrc < cpdst)
while (len--)
cpdst[len] = cpsrc[len];
else
while (++i < len)
cpdst[i] = cpsrc[i];
return (dst);
}