/* $NetBSD: bcd.c,v 1.17 2009/08/12 05:21:28 dholland Exp $ */ /* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Steve Hayman of the Indiana University Computer Science Dept. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> #ifndef lint __COPYRIGHT("@(#) Copyright (c) 1989, 1993\ The Regents of the University of California. All rights reserved."); #endif /* not lint */ #ifndef lint #if 0 static char sccsid[] = "@(#)bcd.c 8.2 (Berkeley) 3/20/94"; #else __RCSID("$NetBSD: bcd.c,v 1.17 2009/08/12 05:21:28 dholland Exp $"); #endif #endif /* not lint */ /* * bcd -- * * Read one line of standard input and produce something that looks like a * punch card. An attempt to reimplement /usr/games/bcd. All I looked at * was the man page. * * I couldn't find a BCD table handy so I wrote a shell script to deduce what * the patterns were that the old bcd was using for each possible 8-bit * character. These are the results -- the low order 12 bits represent the * holes. (A 1 bit is a hole.) These may be wrong, but they match the old * program! * * Steve Hayman * sahayman@iuvax.cs.indiana.edu * 1989 11 30 * * * I found an error in the table. The same error is found in the SunOS 4.1.1 * version of bcd. It has apparently been around a long time. The error caused * 'Q' and 'R' to have the same punch code. I only noticed the error due to * someone pointing it out to me when the program was used to print a cover * for an APA! The table was wrong in 4 places. The other error was masked * by the fact that the input is converted to upper case before lookup. * * Dyane Bruce * db@diana.ocunix.on.ca * Nov 5, 1993 */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <unistd.h> static const u_short holes[256] = { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x206, 0x20a, 0x042, 0x442, 0x222, 0x800, 0x406, 0x812, 0x412, 0x422, 0xa00, 0x242, 0x400, 0x842, 0x300, 0x200, 0x100, 0x080, 0x040, 0x020, 0x010, 0x008, 0x004, 0x002, 0x001, 0x012, 0x40a, 0x80a, 0x212, 0x00a, 0x006, 0x022, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804, 0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408, 0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208, 0x204, 0x202, 0x201, 0x082, 0x822, 0x600, 0x282, 0x30f, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804, 0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408, 0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208, 0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x206, 0x20a, 0x042, 0x442, 0x222, 0x800, 0x406, 0x812, 0x412, 0x422, 0xa00, 0x242, 0x400, 0x842, 0x300, 0x200, 0x100, 0x080, 0x040, 0x020, 0x010, 0x008, 0x004, 0x002, 0x001, 0x012, 0x40a, 0x80a, 0x212, 0x00a, 0x006, 0x022, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804, 0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408, 0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208, 0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282, 0x30f, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804, 0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408, 0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208, 0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282, 0x0 }; /* * i'th bit of w. */ #define bit(w,i) ((w)&(1<<(i))) static void printcard(char *); int main(int argc, char **argv) { char cardline[80]; /* revoke setgid privileges */ setgid(getgid()); /* * The original bcd prompts with a "%" when reading from stdin, * but this seems kind of silly. So this one doesn't. */ if (argc > 1) { while (--argc) printcard(*++argv); } else while (fgets(cardline, sizeof(cardline), stdin)) printcard(cardline); exit(0); } #define COLUMNS 48 static void printcard(char *str) { static const char rowchars[] = " 123456789"; int i, row; char *p; /* ruthlessly remove newlines and truncate at 48 characters. */ if ((p = strchr(str, '\n'))) *p = '\0'; if (strlen(str) > COLUMNS) str[COLUMNS] = '\0'; /* make string upper case. */ for (p = str; *p; ++p) if (isascii((unsigned char)*p) && islower((unsigned char)*p)) *p = toupper((unsigned char) *p); /* top of card */ putchar(' '); for (i = 1; i <= COLUMNS; ++i) putchar('_'); putchar('\n'); /* * line of text. Leave a blank if the character doesn't have * a hole pattern. */ p = str; putchar('/'); for (i = 1; *p; i++, p++) if (holes[(unsigned char)*p]) putchar(*p); else putchar(' '); while (i++ <= COLUMNS) putchar(' '); putchar('|'); putchar('\n'); /* * 12 rows of potential holes; output a ']', which looks kind of * like a hole, if the appropriate bit is set in the holes[] table. * The original bcd output a '[', a backspace, five control A's, * and then a ']'. This seems a little excessive. */ for (row = 0; row <= 11; ++row) { putchar('|'); for (i = 0, p = str; *p; i++, p++) { if (bit(holes[(unsigned char)*p], 11 - row)) putchar(']'); else putchar(rowchars[row]); } while (i++ < COLUMNS) putchar(rowchars[row]); putchar('|'); putchar('\n'); } /* bottom of card */ putchar('|'); for (i = 1; i <= COLUMNS; i++) putchar('_'); putchar('|'); putchar('\n'); }
