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authorStig Bjørlykke <stig@bjorlykke.org>2011-11-03 20:58:29 +0000
committerStig Bjørlykke <stig@bjorlykke.org>2011-11-03 20:58:29 +0000
commitdb6f524164db35537602b93eaca5bf879c79bf32 (patch)
treefd177446af8d5d308801748a992ad7f821ea1d77 /wsutil/crc8.h
parent91eab9d73763f443554ef9a99bce6c5da9aa9294 (diff)
From Roland Knall via bug 6539:
Implementing generic CRC8 and CRC16 functions for openSAFETY in wsutil. svn path=/trunk/; revision=39726
Diffstat (limited to 'wsutil/crc8.h')
-rw-r--r--wsutil/crc8.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/wsutil/crc8.h b/wsutil/crc8.h
new file mode 100644
index 0000000000..6470d5a473
--- /dev/null
+++ b/wsutil/crc8.h
@@ -0,0 +1,47 @@
+/* crc8.h
+ * Declaration of CRC-8 routine and tables
+ *
+ * 2011 Roland Knall <rknall@gmail.com>
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __CRC8_H__
+#define __CRC8_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/** Calculates a CRC8 checksum for the given buffer with the polynom
+ * 0x2F using the precompiled CRC table
+ * @param buf a pointer to a buffer of the given length
+ * @param len the length of the given buffer
+ * @param seed The seed to use.
+ * @return the CRC8 checksum for the buffer
+ */
+extern guint8 crc8_0x2F(guint8 *buf, guint32 len, guint8 seed);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* crc8.h */