genpar.c revision 1.7.6.2
1 1.7.6.2 nathanw /* $NetBSD: genpar.c,v 1.7.6.2 2002/02/28 04:06:37 nathanw Exp $ */ 2 1.7.6.2 nathanw 3 1.7.6.2 nathanw /* 4 1.7.6.2 nathanw * Copyright (c) 1993 Markus Wild 5 1.7.6.2 nathanw * All rights reserved. 6 1.7.6.2 nathanw * 7 1.7.6.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.7.6.2 nathanw * modification, are permitted provided that the following conditions 9 1.7.6.2 nathanw * are met: 10 1.7.6.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.7.6.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.7.6.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.7.6.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.7.6.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.7.6.2 nathanw * 3. All advertising materials mentioning features or use of this software 16 1.7.6.2 nathanw * must display the following acknowledgement: 17 1.7.6.2 nathanw * This product includes software developed by Markus Wild. 18 1.7.6.2 nathanw * 4. The name of the author may not be used to endorse or promote products 19 1.7.6.2 nathanw * derived from this software without specific prior written permission 20 1.7.6.2 nathanw * 21 1.7.6.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.7.6.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.7.6.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.7.6.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.7.6.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 1.7.6.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.7.6.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 1.7.6.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 1.7.6.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 1.7.6.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 1.7.6.2 nathanw */ 32 1.7.6.2 nathanw 33 1.7.6.2 nathanw #include <stdio.h> 34 1.7.6.2 nathanw 35 1.7.6.2 nathanw int main(void); 36 1.7.6.2 nathanw 37 1.7.6.2 nathanw #define BSET(i,b) ((i & (1 << b)) ? 1 : 0) 38 1.7.6.2 nathanw 39 1.7.6.2 nathanw int 40 1.7.6.2 nathanw main(void) 41 1.7.6.2 nathanw { 42 1.7.6.2 nathanw int i; 43 1.7.6.2 nathanw unsigned char par; 44 1.7.6.2 nathanw 45 1.7.6.2 nathanw printf("u_char even_parity[] = {\n\t"); 46 1.7.6.2 nathanw for (i = 0; i < 0x80; i++) { 47 1.7.6.2 nathanw par = BSET(i,0) + BSET(i,1) + BSET(i,2) + BSET(i,3) + 48 1.7.6.2 nathanw BSET(i,4) + BSET(i,5) + BSET(i,6) + BSET(i,7); 49 1.7.6.2 nathanw printf("%2d, ", par & 1); 50 1.7.6.2 nathanw if ((i & 15) == 15) 51 1.7.6.2 nathanw printf("\n\t"); 52 1.7.6.2 nathanw } 53 1.7.6.2 nathanw printf("};\n"); 54 1.7.6.2 nathanw exit(0); 55 1.7.6.2 nathanw /* NOTREACHED */ 56 1.7.6.2 nathanw } 57
Indexes created Wed Oct 01 15:09:59 GMT 2025