Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

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

diff --git a/OldMdePkg/Library/BaseLib/SwapBytes16.c b/OldMdePkg/Library/BaseLib/SwapBytes16.c
new file mode 100644 (file)
index 0000000..134ccb1
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/SwapBytes16.c
@@ -0,0 +1,36 @@
+/** @file\r
+  Math worker functions.\r
+\r
+  Copyright (c) 2006, Intel Corporation<BR>\r
+  All rights reserved. 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
+\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
+#include "BaseLibInternals.h"\r
+\r
+/**\r
+  Switches the endianess of a 16-bit integer.\r
+\r
+  This function swaps the bytes in a 16-bit unsigned value to switch the value\r
+  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
+\r
+  @return The byte swaped Operand.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+SwapBytes16 (\r
+  IN      UINT16                    Operand\r
+  )\r
+{\r
+  return (UINT16) ((Operand << 8) | (Operand >> 8));\r
+}\r