a6e682faa6
update the script and make private standalone functions Change-Id: Icb26ce258107700c90f89ad4e0d3329d075a2eb1 Reviewed-on: https://gerrit.libreoffice.org/81879 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_INC_CHECKSUM_HXX
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#define INCLUDED_VCL_INC_CHECKSUM_HXX
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#include <sal/config.h>
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#include <sal/types.h>
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#include <vcl/dllapi.h>
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#define BITMAP_CHECKSUM_SIZE 8
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typedef sal_uInt64 BitmapChecksum;
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typedef sal_uInt8 BitmapChecksumOctetArray[BITMAP_CHECKSUM_SIZE];
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template< sal_uInt8 N = 0 >
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inline void BCToBCOA( BitmapChecksum n, BitmapChecksumOctetArray p )
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{
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p[N] = static_cast<sal_uInt8>(n >> ( 8 * N ));
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return BCToBCOA< N + 1 >( n, p );
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}
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template<>
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inline void BCToBCOA< BITMAP_CHECKSUM_SIZE >( BitmapChecksum, BitmapChecksumOctetArray )
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{
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return;
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}
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extern "C" {
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/*========================================================================
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*
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* vcl_crc64 interface.
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*
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*======================================================================*/
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/** Evaluate CRC64 over given data.
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This function evaluates the CRC polynomial 0xEDB88320.
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@param Crc [in] CRC64 over previous data or zero.
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@param Data [in] data buffer.
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@param DatLen [in] data buffer length.
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@return new CRC64 value.
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*/
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VCL_DLLPUBLIC sal_uInt64 vcl_crc64 (
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sal_uInt64 Crc,
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const void *Data, sal_uInt32 DatLen
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) SAL_THROW_EXTERN_C();
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const sal_uInt64* vcl_get_crc64_table();
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}
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inline BitmapChecksum vcl_get_checksum (
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BitmapChecksum Checksum,
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const void *Data,
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sal_uInt32 DatLen
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)
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{
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return static_cast<BitmapChecksum>(vcl_crc64( Checksum, Data, DatLen ));
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}
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#endif // INCLUDED_VCL_INC_CHECKSUM_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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