[ros-diffs] [tkreuzer] 47831: [OSKITTCP] Use RtlUlongByteSwap / RtlUshortByteSwap for byte swapping. They are portable and intrinsics on x86.

Author: tkreuzer
Date: Wed Jun 23 11:37:39 2010
New Revision: 47831

URL: http://svn.reactos.org/svn/reactos?rev=47831&view=rev
Log:
[OSKITTCP]
Use RtlUlongByteSwap / RtlUshortByteSwap for byte swapping. They are portable and
intrinsics on x86.

Modified:
    trunk/reactos/lib/drivers/oskittcp/include/freebsd/src/sys/machine/endian.h

Modified: trunk/reactos/lib/drivers/oskittcp/include/freebsd/src/sys/machine/endian.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/oskittcp/inclu…
==============================================================================
--- trunk/reactos/lib/drivers/oskittcp/include/freebsd/src/sys/machine/endian.h
[iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/oskittcp/include/freebsd/src/sys/machine/endian.h
[iso-8859-1] Wed Jun 23 11:37:39 2010
@@ -56,61 +56,8 @@
 #include <sys/cdefs.h>
 #endif
 
-#ifdef _MSC_VER
-static inline unsigned long __byte_swap_long ( unsigned long i )
-{
-	char dst[4];
-	char* src = (char*)&i;
-	dst[0] = src[3];
-	dst[1] = src[2];
-	dst[2] = src[1];
-	dst[3] = src[0];
-	return *(unsigned long*)&dst[0];
-}
-
-static inline unsigned short __byte_swap_word ( unsigned short i )
-{
-	char dst[2];
-	char* src = (char*)&i;
-	dst[0] = src[1];
-	dst[1] = src[0];
-	return *(unsigned short*)&dst[0];
-}
-#else/*_MSC_VER*/
-#define __word_swap_long(x) \
-({ register u_long __X = (x); \
-   __asm ("rorl $16, %1" \
-	: "=r" (__X) \
-	: "0" (__X)); \
-   __X; })
-#if __GNUC__ >= 2
-#define __byte_swap_long(x) \
-__extension__ ({ register u_long __X = (x); \
-   __asm ("xchgb %h1, %b1\n\trorl $16, %1\n\txchgb %h1, %b1" \
-	: "=q" (__X) \
-	: "0" (__X)); \
-   __X; })
-#define __byte_swap_word(x) \
-__extension__ ({ register u_short __X = (x); \
-   __asm ("xchgb %h1, %b1" \
-	: "=q" (__X) \
-	: "0" (__X)); \
-   __X; })
-#else /* __GNUC__ >= 2 */
-#define __byte_swap_long(x) \
-({ register u_long __X = (x); \
-   __asm ("rorw $8, %w1\n\trorl $16, %1\n\trorw $8, %w1" \
-	: "=r" (__X) \
-	: "0" (__X)); \
-   __X; })
-#define __byte_swap_word(x) \
-({ register u_short __X = (x); \
-   __asm ("rorw $8, %w1" \
-	: "=r" (__X) \
-	: "0" (__X)); \
-   __X; })
-#endif /* __GNUC__ >= 2 */
-#endif /* _MSC_VER */
+#define __byte_swap_long RtlUlongByteSwap
+#define __byte_swap_word RtlUshortByteSwap
 
 /*
  * Macros for network/external number representation conversion.