MdePkg/Library/BaseMemoryLibOptDxe/SetMemWrapper.c

   1 /** @file
   2   SetMem() implementation.
   3
   4   Copyright (c) 2006, Intel Corporation<BR>
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13   The following BaseMemoryLib instances contain the same copy of this file:
  14
  15     BaseMemoryLib
  16     BaseMemoryLibMmx
  17     BaseMemoryLibSse2
  18     BaseMemoryLibRepStr
  19     BaseMemoryLibOptDxe
  20     BaseMemoryLibOptPei
  21     PeiMemoryLib
  22     DxeMemoryLib
  23
  24 **/
  25
  26
  27
  28
  29 #include "MemLibInternals.h"
  30
  31 /**
  32   Fills a target buffer with a byte value, and returns the target buffer.
  33
  34   This function fills Length bytes of Buffer with Value, and returns Buffer.
  35   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
  36
  37   @param  Buffer    Memory to set.
  38   @param  Length    Number of bytes to set.
  39   @param  Value     Value of the set operation.
  40
  41   @return Buffer.
  42
  43 **/
  44 VOID *
  45 EFIAPI
  46 SetMem (
  47   OUT VOID  *Buffer,
  48   IN UINTN  Length,
  49   IN UINT8  Value
  50   )
  51 {
  52   if (Length == 0) {
  53     return Buffer;
  54   }
  55
  56   ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
  57
  58   return InternalMemSetMem (Buffer, Length, Value);
  59 }