MdePkg/Library/BaseMemoryLib/SetMemWrapper.c

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