57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* $NetBSD: genpar.c,v 1.8 2002/01/26 13:40:54 aymeric Exp $ */
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/*
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* Copyright (c) 1993 Markus Wild
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Markus Wild.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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int main(void);
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#define BSET(i,b) ((i & (1 << b)) ? 1 : 0)
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int
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main(void)
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{
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int i;
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unsigned char par;
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printf("u_char even_parity[] = {\n\t");
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for (i = 0; i < 0x80; i++) {
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par = BSET(i,0) + BSET(i,1) + BSET(i,2) + BSET(i,3) +
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BSET(i,4) + BSET(i,5) + BSET(i,6) + BSET(i,7);
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printf("%2d, ", par & 1);
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if ((i & 15) == 15)
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printf("\n\t");
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}
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printf("};\n");
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exit(0);
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/* NOTREACHED */
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}
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