Refactor to use new protocol module and sipo.

[bertos.git] / algo / rotating_hash.h

diff --git a/algo/rotating_hash.h b/algo/rotating_hash.h
deleted file mode 100644 (file)
index c154af1..0000000
--- a/algo/rotating_hash.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction.  Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License.  This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
- * All Rights Reserved.
- * -->
- *
- * \brief Rotating Hash algorithm (interface).
- *
- * This is a simple yet powerfull checksum algorithm.
- * Instead of just xor-ing the data, rotating hash
- * circular shift the checksum 4 place left before xoring.
- * This is a bit more stronger than simply sum the data.
- *
- * \version $Id$
- *
- * \author Francesco Sacchi <batt@develer.com>
- */
-
-
-#ifndef ALGO_ROTATING_H
-#define ALGO_ROTATING_H
-
-#include <cfg/compiler.h>
-
-typedef uint16_t rotating_t;
-
-
-/**
- * Init rotating checksum.
- */
-INLINE void rotating_init(rotating_t *rot)
-{
-       *rot = 0;
-}
-
-/**
- * Update checksum pointed by \c rot with \c c data.
- */
-INLINE void rotating_update1(uint8_t c, rotating_t *rot)
-{
-       *rot = (*rot << 4) ^ (*rot >> 12) ^ c;
-}
-
-/**
- * Update checksum pointed by \c rot with data supplied in \c buf.
- */
-INLINE void rotating_update(const void *_buf, size_t len, rotating_t *rot)
-{
-       const uint8_t *buf = (const uint8_t *)_buf;
-
-       while (len--)
-               rotating_update1(*buf++, rot);
-}
-
-
-#endif // ALGO_ROTATING_H