mirror of https://github.com/acidanthera/audk.git
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/** @file
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Intrinsic Memory Routines Wrapper Implementation for OpenSSL-based
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Cryptographic Library.
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Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Base.h>
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#include <Library/BaseMemoryLib.h>
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/* OpenSSL will use floating point support, and C compiler produces the _fltused
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symbol by default. Simply define this symbol here to satisfy the linker. */
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int _fltused = 1;
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/* Sets buffers to a specified character */
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void * memset (void *dest, char ch, unsigned int count)
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{
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//
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// NOTE: Here we use one base implementation for memset, instead of the direct
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// optimized SetMem() wrapper. Because the IntrinsicLib has to be built
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// without whole program optimization option, and there will be some
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// potential register usage errors when calling other optimized codes.
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//
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//
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// Declare the local variables that actually move the data elements as
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// volatile to prevent the optimizer from replacing this function with
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// the intrinsic memset()
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//
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volatile UINT8 *Pointer;
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Pointer = (UINT8 *)dest;
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while (count-- != 0) {
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*(Pointer++) = ch;
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}
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return dest;
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}
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