diff options
| author | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-09-28 08:11:41 +0000 |
|---|---|---|
| committer | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2012-09-28 08:11:41 +0000 |
| commit | d518970039a19a2a9b6d2bdd592cc88a43897bbb (patch) | |
| tree | 57bac2cf7e63e9352228231062763baac627563c /src/lib/openjpwl/crc.h | |
| parent | 8363a6ab1e031bb4b2e40a92e56efd40fdab1aa1 (diff) | |
[trunk] Start FolderReorgProposal task
Update issue 177
Diffstat (limited to 'src/lib/openjpwl/crc.h')
| -rw-r--r-- | src/lib/openjpwl/crc.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/lib/openjpwl/crc.h b/src/lib/openjpwl/crc.h new file mode 100644 index 00000000..4ea2c4ce --- /dev/null +++ b/src/lib/openjpwl/crc.h @@ -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, Herve 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. + */ + +#ifdef USE_JPWL + +/** +@file crc.h +@brief Functions used to compute the 16- and 32-bit CRC of byte arrays + +*/ + +#ifndef __CRC16_HEADER__ +#define __CRC16_HEADER__ + +/** 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); + +#endif /* __CRC16_HEADER__ */ + + +#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); + +#endif /* __CRC32_HEADER__ */ + + +#endif /* USE_JPWL */ |
