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3eb9473e | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2004 - 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | \r | |
13 | Module Name:\r | |
14 | \r | |
15 | SwapBytes16.c\r | |
16 | \r | |
17 | Abstract: \r | |
18 | \r | |
19 | Math worker functions.\r | |
20 | \r | |
21 | --*/\r | |
22 | \r | |
23 | #include "BaseLibInternal.h"\r | |
24 | \r | |
25 | /**\r | |
26 | Switches the endianess of a 16-bit integer.\r | |
27 | \r | |
28 | This function swaps the bytes in a 16-bit unsigned value to switch the value\r | |
29 | from little endian to big endian or vice versa. The byte swapped value is\r | |
30 | returned.\r | |
31 | \r | |
32 | @param Operand A 16-bit unsigned value.\r | |
33 | \r | |
34 | @return The byte swaped Operand.\r | |
35 | \r | |
36 | **/\r | |
37 | UINT16\r | |
38 | EFIAPI\r | |
39 | SwapBytes16 (\r | |
40 | IN UINT16 Operand\r | |
41 | )\r | |
42 | {\r | |
43 | return (UINT16) ((Operand << 8) | (Operand >> 8));\r | |
44 | }\r |