sys/arch/amiga/dev/genpar.c

   1 /*      $NetBSD: genpar.c,v 1.8.16.3 2004/09/21 13:12:26 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 1993 Markus Wild
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Markus Wild.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __RCSID("$NetBSD: genpar.c,v 1.8.16.3 2004/09/21 13:12:26 skrll Exp $");
  35
  36 #include <stdio.h>
  37
  38 int main(void);
  39
  40 #define BSET(i,b) ((i & (1 << b)) ? 1 : 0)
  41
  42 int
  43 main(void)
  44 {
  45         int i;
  46         unsigned char par;
  47
  48         printf("u_char even_parity[] = {\n\t");
  49         for (i = 0; i < 0x80; i++) {
  50                 par = BSET(i,0) + BSET(i,1) + BSET(i,2) + BSET(i,3) +
  51                     BSET(i,4) + BSET(i,5) + BSET(i,6) + BSET(i,7);
  52                 printf("%2d, ", par & 1);
  53                 if ((i & 15) == 15)
  54                         printf("\n\t");
  55         }
  56         printf("};\n");
  57         exit(0);
  58         /* NOTREACHED */
  59 }