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authorMathieu Malaterre <mathieu.malaterre@gmail.com>2012-09-28 08:11:41 +0000
committerMathieu Malaterre <mathieu.malaterre@gmail.com>2012-09-28 08:11:41 +0000
commitd518970039a19a2a9b6d2bdd592cc88a43897bbb (patch)
tree57bac2cf7e63e9352228231062763baac627563c /src/lib/openjpwl/crc.h
parent8363a6ab1e031bb4b2e40a92e56efd40fdab1aa1 (diff)
[trunk] Start FolderReorgProposal task
Update issue 177
Diffstat (limited to 'src/lib/openjpwl/crc.h')
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+/*
+ * 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 */