MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c

   1 /** @file
   2   SetMem() implementation.
   3
   4   The following BaseMemoryLib instances contain the same copy of this file:
   5
   6     BaseMemoryLib
   7     BaseMemoryLibMmx
   8     BaseMemoryLibSse2
   9     BaseMemoryLibRepStr
  10     BaseMemoryLibOptDxe
  11     BaseMemoryLibOptPei
  12     PeiMemoryLib
  13     DxeMemoryLib
  14
  15   Copyright (c) 2006 - 2008, Intel Corporation<BR>
  16   All rights reserved. This program and the accompanying materials
  17   are licensed and made available under the terms and conditions of the BSD License
  18   which accompanies this distribution.  The full text of the license may be found at
  19   http://opensource.org/licenses/bsd-license.php
  20
  21   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  22   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  23
  24 **/
  25
  26 #include "MemLibInternals.h"
  27
  28 /**
  29   Fills a target buffer with a byte value, and returns the target buffer.
  30
  31   This function fills Length bytes of Buffer with Value, and returns Buffer.
  32
  33   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
  34
  35   @param  Buffer    Memory to set.
  36   @param  Length    Number of bytes to set.
  37   @param  Value     Value with which to fill Length bytes of Buffer.
  38
  39   @return Buffer.
  40
  41 **/
  42 VOID *
  43 EFIAPI
  44 SetMem (
  45   OUT VOID  *Buffer,
  46   IN UINTN  Length,
  47   IN UINT8  Value
  48   )
  49 {
  50   if (Length == 0) {
  51     return Buffer;
  52   }
  53
  54   ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
  55
  56   return InternalMemSetMem (Buffer, Length, Value);
  57 }