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Annotation of libaitcrc/inc/defs.h, revision 1.7

1.1       misho       1: /*************************************************************************
                      2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
                      3: *  by Michael Pounov <misho@openbsd-bg.org>
                      4: *
                      5: * $Author: misho $
1.7     ! misho       6: * $Id: defs.h,v 1.6.2.1 2012/08/29 08:33:06 misho Exp $
1.1       misho       7: *
1.4       misho       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: 
1.5       misho      15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.4       misho      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: */
1.1       misho      46: #ifndef __DEFS_H
                     47: #define __DEFS_H
                     48: 
                     49: 
1.6       misho      50: #ifndef STRSIZ
                     51: #define STRSIZ                 256
                     52: #endif
1.1       misho      53: 
1.3       misho      54: #define MAX_FLETCHER16_DIGEST  21
1.1       misho      55: #define MAX_FLETCHER_DIGEST    360
                     56: #define MAX_ADLER_DIGEST       5552
                     57: 
1.5       misho      58: #define POLY_CRC32             0xC0A0A0D5
                     59: #define INIT_BERNSTEIN         0x1505
                     60: #define INIT_FNV1              0x811c9dc5
                     61: #define POLY_FNV1              0x1000193
1.7     ! misho      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)
1.1       misho      84: 
1.5       misho      85: 
                     86: inline void crc_SetErr(int eno, char *estr, ...);
1.2       misho      87: 
                     88: 
1.1       misho      89: extern const crcPoly_t crc_Poly[];
                     90: 
                     91: 
                     92: #endif