VirtualBox

source: vbox/trunk/include/iprt/crc32.h@ 19559

Last change on this file since 19559 was 8245, checked in by vboxsync, 17 years ago

rebranding: IPRT files again.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.3 KB
Line 
1/** @file
2 * IPRT - CRC32.
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_crc32_h
31#define ___iprt_crc32_h
32
33#include <iprt/cdefs.h>
34#include <iprt/types.h>
35
36
37__BEGIN_DECLS
38
39/** @defgroup grp_rt_crc32 RTCrc32 - CRC32 Calculation
40 * @ingroup grp_rt
41 * @{
42 */
43
44/**
45 * Calculate CRC32 for a memory block.
46 *
47 * @returns CRC32 for the memory block.
48 * @param pv Pointer to the memory block.
49 * @param cb Size of the memory block in bytes.
50 */
51RTDECL(uint32_t) RTCrc32(const void *pv, size_t cb);
52
53/**
54 * Start a multiblock CRC32 calculation.
55 *
56 * @returns Start CRC32.
57 */
58RTDECL(uint32_t) RTCrc32Start(void);
59
60/**
61 * Processes a multiblock of a CRC32 calculation.
62 *
63 * @returns Intermediate CRC32 value.
64 * @param uCRC32 Current CRC32 intermediate value.
65 * @param pv The data block to process.
66 * @param cb The size of the data block in bytes.
67 */
68RTDECL(uint32_t) RTCrc32Process(uint32_t uCRC32, const void *pv, size_t cb);
69
70/**
71 * Complete a multiblock CRC32 calculation.
72 *
73 * @returns CRC32 value.
74 * @param uCRC32 Current CRC32 intermediate value.
75 */
76RTDECL(uint32_t) RTCrc32Finish(uint32_t uCRC32);
77
78
79
80/** @} */
81
82__END_DECLS
83
84#endif
85
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