File:  [ELWIX - Embedded LightWeight unIX -] / libaitcrc / inc / defs.h
Revision 1.7: download - view: text, annotated - select for diffs - revision graph
Wed Aug 29 09:00:44 2012 UTC (12 years, 1 month ago) by misho
Branches: MAIN
CVS tags: crc2_4, HEAD, CRC2_3
version 3.2

    1: /*************************************************************************
    2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
    3: *  by Michael Pounov <misho@openbsd-bg.org>
    4: *
    5: * $Author: misho $
    6: * $Id: defs.h,v 1.7 2012/08/29 09:00:44 misho Exp $
    7: *
    8: **************************************************************************
    9: The ELWIX and AITNET software is distributed under the following
   10: terms:
   11: 
   12: All of the documentation and software included in the ELWIX and AITNET
   13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   14: 
   15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   16: 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
   17: 
   18: Redistribution and use in source and binary forms, with or without
   19: modification, are permitted provided that the following conditions
   20: are met:
   21: 1. Redistributions of source code must retain the above copyright
   22:    notice, this list of conditions and the following disclaimer.
   23: 2. Redistributions in binary form must reproduce the above copyright
   24:    notice, this list of conditions and the following disclaimer in the
   25:    documentation and/or other materials provided with the distribution.
   26: 3. All advertising materials mentioning features or use of this software
   27:    must display the following acknowledgement:
   28: This product includes software developed by Michael Pounov <misho@elwix.org>
   29: ELWIX - Embedded LightWeight unIX and its contributors.
   30: 4. Neither the name of AITNET nor the names of its contributors
   31:    may be used to endorse or promote products derived from this software
   32:    without specific prior written permission.
   33: 
   34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
   35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   44: SUCH DAMAGE.
   45: */
   46: #ifndef __DEFS_H
   47: #define __DEFS_H
   48: 
   49: 
   50: #ifndef STRSIZ
   51: #define STRSIZ			256
   52: #endif
   53: 
   54: #define MAX_FLETCHER16_DIGEST	21
   55: #define MAX_FLETCHER_DIGEST	360
   56: #define MAX_ADLER_DIGEST	5552
   57: 
   58: #define POLY_CRC32		0xC0A0A0D5
   59: #define INIT_BERNSTEIN		0x1505
   60: #define INIT_FNV1		0x811c9dc5
   61: #define POLY_FNV1		0x1000193
   62: #define INIT_JENKINS32		0xDEADBEEF
   63: 
   64: #define ROT32(x, k)		(((x) << (k)) | ((x) >> (32 - (k))))
   65: #define MIX32(a, b, c) \
   66: do { \
   67: 	  a -= c;  a ^= ROT32(c, 4);  c += b; \
   68: 	  b -= a;  b ^= ROT32(a, 6);  a += c; \
   69: 	  c -= b;  c ^= ROT32(b, 8);  b += a; \
   70: 	  a -= c;  a ^= ROT32(c, 16); c += b; \
   71: 	  b -= a;  b ^= ROT32(a, 19); a += c; \
   72: 	  c -= b;  c ^= ROT32(b, 4);  b += a; \
   73: } while (0)
   74: #define FINAL32(a, b, c) \
   75: do { \
   76: 	  c ^= b; c -= ROT32(b, 14); \
   77: 	  a ^= c; a -= ROT32(c, 11); \
   78: 	  b ^= a; b -= ROT32(a, 25); \
   79: 	  c ^= b; c -= ROT32(b, 16); \
   80: 	  a ^= c; a -= ROT32(c, 4);  \
   81: 	  b ^= a; b -= ROT32(a, 14); \
   82: 	  c ^= b; c -= ROT32(b, 24); \
   83: } while (0)
   84: 
   85: 
   86: inline void crc_SetErr(int eno, char *estr, ...);
   87: 
   88: 
   89: extern const crcPoly_t crc_Poly[];
   90: 
   91: 
   92: #endif

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