| 1 | /** @file
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| 2 | * innotek Portable Runtime - CRC64.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2007 innotek GmbH
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License as published by the Free Software Foundation,
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| 12 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 13 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 14 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | */
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| 16 |
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| 17 | #ifndef ___iprt_crc64_h
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| 18 | #define ___iprt_crc64_h
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| 19 |
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| 20 |
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| 21 | #include <iprt/cdefs.h>
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| 22 | #include <iprt/types.h>
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| 23 |
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| 24 |
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| 25 | __BEGIN_DECLS
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| 26 |
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| 27 | /** @defgroup grp_rt_crc64 RTCrc64 - CRC64 Calculation
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| 28 | * @ingroup grp_rt
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| 29 | * @{
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| 30 | */
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| 31 |
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| 32 | /**
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| 33 | * Calculate CRC64 for a memory block.
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| 34 | *
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| 35 | * @returns CRC64 for the memory block.
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| 36 | * @param pv Pointer to the memory block.
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| 37 | * @param cb Size of the memory block in bytes.
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| 38 | */
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| 39 | RTDECL(uint64_t) RTCrc64(const void *pv, size_t cb);
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| 40 |
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| 41 | /**
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| 42 | * Start a multiblock CRC64 calculation.
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| 43 | *
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| 44 | * @returns Start CRC64.
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| 45 | */
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| 46 | RTDECL(uint64_t) RTCrc64Start(void);
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| 47 |
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| 48 | /**
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| 49 | * Processes a multiblock of a CRC64 calculation.
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| 50 | *
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| 51 | * @returns Intermediate CRC64 value.
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| 52 | * @param uCRC64 Current CRC64 intermediate value.
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| 53 | * @param pv The data block to process.
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| 54 | * @param cb The size of the data block in bytes.
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| 55 | */
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| 56 | RTDECL(uint64_t) RTCrc64Process(uint64_t uCRC64, const void *pv, size_t cb);
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| 57 |
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| 58 | /**
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| 59 | * Complete a multiblock CRC64 calculation.
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| 60 | *
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| 61 | * @returns CRC64 value.
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| 62 | * @param uCRC64 Current CRC64 intermediate value.
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| 63 | */
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| 64 | RTDECL(uint64_t) RTCrc64Finish(uint64_t uCRC64);
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| 65 |
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| 66 |
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| 67 |
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| 68 | /** @} */
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| 69 |
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| 70 | __END_DECLS
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| 71 |
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| 72 | #endif
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| 73 |
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| 74 |
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