Merge push_swap to master

(optimized ft_memcpy, ft_memset)

3 files changed, 40 insertions, 27 deletions

diff --git a/src/mem/ft_memcpy.c b/src/mem/ft_memcpy.c
index 70837bc..ca679fc 100644
--- a/src/mem/ft_memcpy.c
+++ b/src/mem/ft_memcpy.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:00:07 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 03:20:29 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/21 18:04:36 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,9 +14,20 @@
 
 void	*ft_memcpy(void *dest, const void *src, size_t n)
 {
+	long int		*long_dest;
+	const long int	*long_src;
+
 	if (dest == src)
 		return (dest);
+	while (n % 8 > 0)
+	{
+		n--;
+		((t_byte*)dest)[n] = ((t_byte*)src)[n];
+	}
+	long_dest = dest;
+	long_src = src;
+	n /= 8;
 	while (n-- > 0)
-		*((t_byte*)dest + n) = *((t_byte*)src + n);
+		long_dest[n] = long_src[n];
 	return (dest);
 }
diff --git a/src/mem/ft_memmove.c b/src/mem/ft_memmove.c
index aa107bd..73e26b8 100644
--- a/src/mem/ft_memmove.c
+++ b/src/mem/ft_memmove.c
@@ -6,7 +6,7 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:03:21 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 03:31:00 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/21 18:43:26 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,20 +14,22 @@
 
 void	*ft_memmove(void *dst, const void *src, size_t len)
 {
-	size_t	i;
-	t_byte	*dst_cast;
-	t_byte	*src_cast;
+	long int		*long_dst;
+	const long int	*long_src;
+	void			*dst_copy;
 
-	if (dst == src)
-		return (dst);
-	dst_cast = (t_byte*)dst;
-	src_cast = (t_byte*)src;
-	i = -1;
-	if (dst_cast < src_cast)
-		while (++i < len)
-			dst_cast[i] = src_cast[i];
-	else
-		while (len-- > 0)
-			dst_cast[len] = src_cast[len];
-	return (dst);
+	if (dst >= src)
+		return (ft_memcpy(dst, src, len));
+	dst_copy = dst;
+	while (len % 8 > 0)
+	{
+		len--;
+		*(t_byte*)dst++ = *(t_byte*)src++;
+	}
+	long_dst = dst;
+	long_src = src;
+	len /= 8;
+	while (len-- > 0)
+		*long_dst++ = *long_src++;
+	return (dst_copy);
 }
diff --git a/src/mem/ft_memset.c b/src/mem/ft_memset.c
index 7963fd0..4ede5f3 100644
--- a/src/mem/ft_memset.c
+++ b/src/mem/ft_memset.c
@@ -6,26 +6,26 @@
 /*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/10/07 10:01:23 by cacharle          #+#    #+#             */
-/*   Updated: 2019/11/20 23:22:51 by cacharle         ###   ########.fr       */
+/*   Updated: 2019/11/21 18:40:59 by cacharle         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "libft.h"
 
-#define BUF_TYPE long int
-
 void	*ft_memset(void *s, int c, size_t n)
 {
-	BUF_TYPE	buf;
+	long int	buf;
+	long int	*long_s;
 
 	c = (unsigned char)c;
 	while (n % 8 > 0)
-		*((t_byte*)s + --n) = (t_byte)c;
+		*((t_byte*)s + --n) = c;
+	buf = (long int)c | (long int)c << 8 | (long int)c << 16
+			| (long int)c << 24 | (long int)c << 32 | (long int)c << 40
+			| (long int)c << 48 | (long int)c << 56;
 	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;
+	long_s = s;
 	while (n > 0)
-		*((BUF_TYPE*)s + --n) = buf;
+		long_s[--n] = buf;
 	return (s);
 }