MdePkg/Library/BaseLib/SwapBytes16.c

   1 /** @file
   2   Math worker functions.
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9
  10
  11
  12 #include "BaseLibInternals.h"
  13
  14 /**
  15   Switches the endianess of a 16-bit integer.
  16
  17   This function swaps the bytes in a 16-bit unsigned value to switch the value
  18   from little endian to big endian or vice versa. The byte swapped value is
  19   returned.
  20
  21   @param  Value A 16-bit unsigned value.
  22
  23   @return The byte swapped Value.
  24
  25 **/
  26 UINT16
  27 EFIAPI
  28 SwapBytes16 (
  29   IN      UINT16                    Value
  30   )
  31 {
  32   return (UINT16) ((Value<< 8) | (Value>> 8));
  33 }