--- libaitcrc/inc/aitcrc.h	2010/06/13 16:13:51	1.3
+++ libaitcrc/inc/aitcrc.h	2011/04/28 20:28:20	1.4
@@ -3,9 +3,46 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitcrc.h,v 1.3 2010/06/13 16:13:51 misho Exp $
+* $Id: aitcrc.h,v 1.4 2011/04/28 20:28:20 misho Exp $
 *
-*************************************************************************/
+**************************************************************************
+The ELWIX and AITNET software is distributed under the following
+terms:
+
+All of the documentation and software included in the ELWIX and AITNET
+Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
+
+Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+	by Michael Pounov <misho@elwix.org>.  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.
+3. All advertising materials mentioning features or use of this software
+   must display the following acknowledgement:
+This product includes software developed by Michael Pounov <misho@elwix.org>
+ELWIX - Embedded LightWeight unIX and its contributors.
+4. Neither the name of AITNET nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY AITNET 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 REGENTS 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.
+*/
 #ifndef __AITCRC_H
 #define __AITCRC_H
 
@@ -32,6 +69,7 @@ inline int crc_GetErrno();
 inline const char *crc_GetError();
 // -------------------------------------------------------
 
+
 /*
  * crcReflect() Reflect all bits of number 
  * @crcNum = Number for reflection
@@ -89,6 +127,7 @@ inline u_int crcAdler(u_char * __restrict psBuf, int b
  */
 #define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF)
 
+
 /*
  * crcPelco() Calculate Pelco D/P CRC
  * @ver = Pelco protocol version (Dd | Pp)
@@ -97,6 +136,54 @@ inline u_int crcAdler(u_char * __restrict psBuf, int b
  	Pelco protocol not supported
  */
 inline u_char crcPelco(u_char ver, u_char *pkt);
+
+
+/*
+ * hash_varchar() Compute index hash by variable length string
+ * @csStr = Input data buffer
+ * @nStrLen = Length of data buffer
+ * @nVer = Version of algorythm; 0 - original, 1 - AITNET variant
+ * return: Hash value
+*/
+inline u_int hash_varchar(const char *csStr, int nStrLen, int nVer);
+/*
+ * hash_bernstein() Compute index hash by Bernstein
+ * @csStr = Input data buffer
+ * @nStrLen = Length of data buffer
+ * @nVer = Version of algorythm; 0 - Bernstein, 1 - DJBX33A variant
+ * return: Hash value
+*/
+inline u_int hash_bernstein(const char *csStr, int nStrLen, int nVer);
+/*
+ * hash_jenkins() Compute index hash by Jenkins (one-at-a-time)
+ * @csStr = Input data buffer
+ * @nStrLen = Length of data buffer
+ * return: Hash value
+*/
+inline u_int hash_jenkins(const char *csStr, int nStrLen);
+/*
+ * hash_reddragon() Compute index hash by Red Dragon
+ * @csStr = Input data buffer
+ * @nStrLen = Length of data buffer
+ * return: Hash value
+*/
+inline u_int hash_reddragon(const char *csStr, int nStrLen);
+/*
+ * hash_fnv1() Compute index hash by FNV-1
+ * @csStr = Input data buffer
+ * @nStrLen = Length of data buffer
+ * @nVer = Version of algorythm; 0 - FNV-1, 1 - FNV-1a (best avalanche)
+ * return: Hash value
+*/
+inline u_int hash_fnv1(const char *csStr, int nStrLen, int nVer);
+
+/*
+ * hash_fnv() Compute index hash by FNV-1a
+ * @csStr = Input data buffer
+ * @nStrLen = Length of data buffer
+ * return: Hash value
+*/
+#define hash_fnv(str, len)	hash_fnv1((str), (len), 1)
 
 
 #endif