MdePkg/BaseLib: Add bit field population calculating methods

[mirror_edk2.git] / MdePkg / Library / BaseLib / LowBitSet64.c

diff --git a/MdePkg/Library/BaseLib/LowBitSet64.c b/MdePkg/Library/BaseLib/LowBitSet64.c
index a3e5ba08422a01d90a8fb18177db3413523df8a7..2bc8bc3910e03954b6ea1293297e49b50b9af6d1 100644 (file)
--- a/MdePkg/Library/BaseLib/LowBitSet64.c
+++ b/MdePkg/Library/BaseLib/LowBitSet64.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
@@ -23,8 +26,9 @@
 \r
   @param  Operand The 64-bit operand to evaluate.\r
 \r
-  @return Position of the lowest bit set in Operand if found.\r
-  @retval -1  Operand is zero.\r
+  @retval 0..63  The lowest bit set in Operand was found.\r
+  @retval -1     Operand is zero.\r
+\r
 \r
 **/\r
 INTN\r