MdePkg/BaseLib: Add bit field population calculating methods

[mirror_edk2.git] / MdePkg / Library / BaseLib / SwapBytes16.c

diff --git a/MdePkg/Library/BaseLib/SwapBytes16.c b/MdePkg/Library/BaseLib/SwapBytes16.c
index c8460a28f7998a56f7664bd8b0977d66e1c660b2..64a674a0cd9ccd24c67da5f05d49f0d194426d85 100644 (file)
--- a/MdePkg/Library/BaseLib/SwapBytes16.c
+++ b/MdePkg/Library/BaseLib/SwapBytes16.c
@@ -1,17 +1,20 @@
 /** @file\r
   Math worker functions.\r
 \r
-  Copyright (c) 2006, Intel Corporation<BR>\r
-  All rights reserved. This program and the accompanying materials\r
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+  This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
-  http://opensource.org/licenses/bsd-license.php\r
+  http://opensource.org/licenses/bsd-license.php.\r
 \r
   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 \r
 **/\r
 \r
+\r
+\r
+\r
 #include "BaseLibInternals.h"\r
 \r
 /**\r
@@ -21,16 +24,16 @@
   from little endian to big endian or vice versa. The byte swapped value is\r
   returned.\r
 \r
-  @param  Operand A 16-bit unsigned value.\r
+  @param  Value A 16-bit unsigned value.\r
 \r
-  @return The byte swaped Operand.\r
+  @return The byte swapped Value.\r
 \r
 **/\r
 UINT16\r
 EFIAPI\r
 SwapBytes16 (\r
-  IN      UINT16                    Operand\r
+  IN      UINT16                    Value\r
   )\r
 {\r
-  return (Operand << 8) | (Operand >> 8);\r
+  return (UINT16) ((Value<< 8) | (Value>> 8));\r
 }\r