root/trunk/include/iprt/crc64.h
| Revision 8245, 2.3 kB (checked in by vboxsync, 7 months ago) |
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| 1 | /** @file |
| 2 | * IPRT - CRC64. |
| 3 | */ |
| 4 | |
| 5 | /* |
| 6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc. |
| 7 | * |
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as |
| 9 | * available from http://www.virtualbox.org. This file is free software; |
| 10 | * you can redistribute it and/or modify it under the terms of the GNU |
| 11 | * General Public License (GPL) as published by the Free Software |
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the |
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the |
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. |
| 15 | * |
| 16 | * The contents of this file may alternatively be used under the terms |
| 17 | * of the Common Development and Distribution License Version 1.0 |
| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the |
| 19 | * VirtualBox OSE distribution, in which case the provisions of the |
| 20 | * CDDL are applicable instead of those of the GPL. |
| 21 | * |
| 22 | * You may elect to license modified versions of this file under the |
| 23 | * terms and conditions of either the GPL or the CDDL or both. |
| 24 | * |
| 25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa |
| 26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need |
| 27 | * additional information or have any questions. |
| 28 | */ |
| 29 | |
| 30 | #ifndef ___iprt_crc64_h |
| 31 | #define ___iprt_crc64_h |
| 32 | |
| 33 | |
| 34 | #include <iprt/cdefs.h> |
| 35 | #include <iprt/types.h> |
| 36 | |
| 37 | |
| 38 | __BEGIN_DECLS |
| 39 | |
| 40 | /** @defgroup grp_rt_crc64 RTCrc64 - CRC64 Calculation |
| 41 | * @ingroup grp_rt |
| 42 | * @{ |
| 43 | */ |
| 44 | |
| 45 | /** |
| 46 | * Calculate CRC64 for a memory block. |
| 47 | * |
| 48 | * @returns CRC64 for the memory block. |
| 49 | * @param pv Pointer to the memory block. |
| 50 | * @param cb Size of the memory block in bytes. |
| 51 | */ |
| 52 | RTDECL(uint64_t) RTCrc64(const void *pv, size_t cb); |
| 53 | |
| 54 | /** |
| 55 | * Start a multiblock CRC64 calculation. |
| 56 | * |
| 57 | * @returns Start CRC64. |
| 58 | */ |
| 59 | RTDECL(uint64_t) RTCrc64Start(void); |
| 60 | |
| 61 | /** |
| 62 | * Processes a multiblock of a CRC64 calculation. |
| 63 | * |
| 64 | * @returns Intermediate CRC64 value. |
| 65 | * @param uCRC64 Current CRC64 intermediate value. |
| 66 | * @param pv The data block to process. |
| 67 | * @param cb The size of the data block in bytes. |
| 68 | */ |
| 69 | RTDECL(uint64_t) RTCrc64Process(uint64_t uCRC64, const void *pv, size_t cb); |
| 70 | |
| 71 | /** |
| 72 | * Complete a multiblock CRC64 calculation. |
| 73 | * |
| 74 | * @returns CRC64 value. |
| 75 | * @param uCRC64 Current CRC64 intermediate value. |
| 76 | */ |
| 77 | RTDECL(uint64_t) RTCrc64Finish(uint64_t uCRC64); |
| 78 | |
| 79 | |
| 80 | |
| 81 | /** @} */ |
| 82 | |
| 83 | __END_DECLS |
| 84 | |
| 85 | #endif |
| 86 | |
| 87 |
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