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