MdePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibOptPei / ZeroMemWrapper.c

/** @file\r
  ZeroMem() implementation.\r
\r
  The following BaseMemoryLib instances contain the same copy of this file:\r
\r
    BaseMemoryLib\r
    BaseMemoryLibMmx\r
    BaseMemoryLibSse2\r
    BaseMemoryLibRepStr\r
    BaseMemoryLibOptDxe\r
    BaseMemoryLibOptPei\r
    PeiMemoryLib\r
    UefiMemoryLib\r
\r
  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "MemLibInternals.h"\r
\r
/**\r
  Fills a target buffer with zeros, and returns the target buffer.\r
\r
  This function fills Length bytes of Buffer with zeros, and returns Buffer.\r
\r
  If Length > 0 and Buffer is NULL, then ASSERT().\r
  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
  @param  Buffer      The pointer to the target buffer to fill with zeros.\r
  @param  Length      The number of bytes in Buffer to fill with zeros.\r
\r
  @return Buffer.\r
\r
**/\r
VOID *\r
EFIAPI\r
ZeroMem (\r
  OUT VOID  *Buffer,\r
  IN UINTN  Length\r
  )\r
{\r
  if (Length == 0) {\r
    return Buffer;\r
  }\r
\r
  ASSERT (Buffer != NULL);\r
  ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));\r
  return InternalMemZeroMem (Buffer, Length);\r
}\r