0,0 → 1,84 |
/* |
* Copyright (c) 2001-2003, David Janssens |
* Copyright (c) 2002-2003, Yannick Verschueren |
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe |
* Copyright (c) 2005, Hervé Drolon, FreeImage Team |
* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium |
* Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* 1. Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
* POSSIBILITY OF SUCH DAMAGE. |
*/ |
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#ifdef USE_JPWL |
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/** |
@file crc.h |
@brief Functions used to compute the 16- and 32-bit CRC of byte arrays |
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*/ |
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#ifndef __CRC16_HEADER__ |
#define __CRC16_HEADER__ |
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/** file: CRC16.HPP |
* |
* CRC - Cyclic Redundancy Check (16-bit) |
* |
* A CRC-checksum is used to be sure, the data hasn't changed or is false. |
* To create a CRC-checksum, initialise a check-variable (unsigned short), |
* and set this to zero. Than call for every byte in the file (e.g.) the |
* procedure updateCRC16 with this check-variable as the first parameter, |
* and the byte as the second. At the end, the check-variable contains the |
* CRC-checksum. |
* |
* implemented by Michael Neumann, 14.06.1998 |
* |
*/ |
void updateCRC16(unsigned short *, unsigned char); |
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#endif /* __CRC16_HEADER__ */ |
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#ifndef __CRC32_HEADER__ |
#define __CRC32_HEADER__ |
|
/** file: CRC32.HPP |
* |
* CRC - Cyclic Redundancy Check (32-bit) |
* |
* A CRC-checksum is used to be sure, the data hasn't changed or is false. |
* To create a CRC-checksum, initialise a check-variable (unsigned short), |
* and set this to zero. Than call for every byte in the file (e.g.) the |
* procedure updateCRC32 with this check-variable as the first parameter, |
* and the byte as the second. At the end, the check-variable contains the |
* CRC-checksum. |
* |
* implemented by Michael Neumann, 14.06.1998 |
* |
*/ |
void updateCRC32(unsigned long *, unsigned char); |
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#endif /* __CRC32_HEADER__ */ |
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#endif /* USE_JPWL */ |