From afc8c70a66773563f6e7429b500abcbab631722b Mon Sep 17 00:00:00 2001 From: Charles Date: Thu, 21 Nov 2019 02:06:06 +0100 Subject: ft_memset and ft_strlen optimization --- ft_memset.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'ft_memset.c') diff --git a/ft_memset.c b/ft_memset.c index cd7616c..7963fd0 100644 --- a/ft_memset.c +++ b/ft_memset.c @@ -6,15 +6,26 @@ /* By: cacharle +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2019/10/07 10:01:23 by cacharle #+# #+# */ -/* Updated: 2019/11/20 03:22:29 by cacharle ### ########.fr */ +/* Updated: 2019/11/20 23:22:51 by cacharle ### ########.fr */ /* */ /* ************************************************************************** */ #include "libft.h" +#define BUF_TYPE long int + void *ft_memset(void *s, int c, size_t n) { - while (n-- > 0) - *((t_byte*)s + n) = (t_byte)c; + BUF_TYPE buf; + + c = (unsigned char)c; + while (n % 8 > 0) + *((t_byte*)s + --n) = (t_byte)c; + n /= 8; + buf = (BUF_TYPE)c | (BUF_TYPE)c << 8 | (BUF_TYPE)c << 16 + | (BUF_TYPE)c << 24 | (BUF_TYPE)c << 32 | (BUF_TYPE)c << 40 + | (BUF_TYPE)c << 48 | (BUF_TYPE)c << 56; + while (n > 0) + *((BUF_TYPE*)s + --n) = buf; return (s); } -- cgit