/**
* \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 2004 Develer S.r.l. (http://www.develer.com/)
* Copyright 2004 Giovanni Bajo
* All Rights Reserved.
/*#*
*#* $Log$
+ *#* Revision 1.8 2007/02/06 16:05:01 asterix
+ *#* Replaced ROTATE_* with ROT* defined in macros.h
+ *#*
*#* Revision 1.7 2006/07/19 12:56:27 bernie
*#* Convert to new Doxygen style.
*#*
#include "hashtable.h"
#include <cfg/debug.h>
#include <cfg/compiler.h>
+#include <cfg/macros.h> //ROTL(), ROTR();
#include <string.h>
-#define ROTATE_LEFT_16(num, count) (((num) << (count)) | ((num) >> (16-(count))))
-#define ROTATE_RIGHT_16(num, count) ROTATE_LEFT_16(num, 16-(count))
typedef const void** HashNodePtr;
#define NODE_EMPTY(node) (!*(node))
int len = (int)key_length;
for (i = 0; i < len; ++i)
- hash = ROTATE_LEFT_16(hash, 4) ^ key[i];
+ hash = ROTL(hash, 4) ^ key[i];
return hash ^ (hash >> 6) ^ (hash >> 13);
}
// is traversed. Actually MCD(table_size, step) must be 1, but
// table_size is always a power of 2, so we just ensure that step is
// never a multiple of 2.
- step = (ROTATE_RIGHT_16(hash, ht->max_elts_log2) & mask) | 1;
+ step = (ROTR(hash, ht->max_elts_log2) & mask) | 1;
do
{