1 /* $NetBSD: banner.c,v 1.11 2003/08/07 11:13:09 agc Exp $ */ 2 3 /* 4 * Changes for banner(1) 5 * 6 * @(#)Copyright (c) 1995, Simon J. Gerraty. 7 * 8 * This is free software. It comes with NO WARRANTY. 9 * Permission to use, modify and distribute this source code 10 * is granted subject to the following conditions. 11 * 1/ that the above copyright notice and this notice 12 * are preserved in all copies and that due credit be given 13 * to the author. 14 * 2/ that any changes to this code are clearly commented 15 * as such so that the author does not get blamed for bugs 16 * other than his own. 17 * 18 * Please send copies of changes and bug-fixes to: 19 * sjg@zen.void.oz.au 20 */ 21 22 /* 23 * Copyright (c) 1983, 1993 24 * The Regents of the University of California. All rights reserved. 25 * 26 * Redistribution and use in source and binary forms, with or without 27 * modification, are permitted provided that the following conditions 28 * are met: 29 * 1. Redistributions of source code must retain the above copyright 30 * notice, this list of conditions and the following disclaimer. 31 * 2. Redistributions in binary form must reproduce the above copyright 32 * notice, this list of conditions and the following disclaimer in the 33 * documentation and/or other materials provided with the distribution. 34 * 3. Neither the name of the University nor the names of its contributors 35 * may be used to endorse or promote products derived from this software 36 * without specific prior written permission. 37 * 38 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 39 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 41 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 42 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 43 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 44 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 46 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 47 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 */ 50 51 #include <sys/cdefs.h> 52 #ifndef lint 53 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 54 The Regents of the University of California. All rights reserved.\n"); 55 #endif /* not lint */ 56 57 #ifndef lint 58 #if 0 59 static char sccsid[] = "@(#)printjob.c 8.2 (Berkeley) 4/16/94"; 60 #else 61 __RCSID("$NetBSD: banner.c,v 1.11 2003/08/07 11:13:09 agc Exp $"); 62 #endif 63 #endif /* not lint */ 64 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 70 #include "banner.h" 71 72 static long PW = LINELEN; 73 /* 74 * <sjg> lpd makes chars out of the letter in question. 75 * the results are somewhat mixed. Sticking to '#' as 76 * banner(1) does is more consistent. 77 */ 78 static int ForeGnd = '#'; 79 static int BackGnd = ' '; 80 static int Drop = 0; /* 3 for the LPD font */ 81 82 static int dropit (int); 83 static void scan_out (int, char *, int); 84 static char *scnline (int, char *, int); 85 static void usage(void); 86 87 /* the char gen code below is lifted from lpd */ 88 89 static char * 90 scnline(int key, char *p, int c) 91 { 92 int scnwidth; 93 94 if (ForeGnd) 95 c = ForeGnd; 96 97 for (scnwidth = WIDTH; --scnwidth;) { 98 key <<= 1; 99 *p++ = key & 0200 ? c : BackGnd; 100 } 101 return (p); 102 } 103 104 #define TRC(q) (((q)-' ')&0177) 105 106 107 static int 108 dropit(int c) 109 { 110 switch(c) { 111 112 case TRC('_'): 113 case TRC(';'): 114 case TRC(','): 115 case TRC('g'): 116 case TRC('j'): 117 case TRC('p'): 118 case TRC('q'): 119 case TRC('y'): 120 return (Drop); 121 122 default: 123 return (0); 124 } 125 } 126 127 static void 128 scan_out(int scfd, char *scsp, int dlm) 129 { 130 char *strp; 131 int nchrs, j; 132 char outbuf[LINELEN+1], *sp, c, cc; 133 int d, scnhgt; 134 135 for (scnhgt = 0; scnhgt++ < HEIGHT+Drop; ) { 136 strp = &outbuf[0]; 137 if (BackGnd != ' ') 138 *strp++ = BackGnd; 139 sp = scsp; 140 for (nchrs = 0; *sp != dlm && *sp != '\0'; ) { 141 cc = *sp++; 142 if(cc < ' ' || ((int)cc) >= 0x7f) 143 cc = ' '; 144 d = dropit(c = TRC(cc)); 145 if ((!d && scnhgt > HEIGHT) || (scnhgt <= Drop && d)) 146 for (j = WIDTH; --j;) 147 *strp++ = BackGnd; 148 else if (Drop == 0) 149 strp = scnline( 150 scnkey_def[(int)c][scnhgt-1-d], strp, cc); 151 else 152 strp = scnline( 153 scnkey_lpd[(int)c][scnhgt-1-d], strp, cc); 154 if (nchrs++ >= PW/(WIDTH+1)-1) 155 break; 156 *strp++ = BackGnd; 157 } 158 if (BackGnd != ' ') 159 *strp++ = BackGnd; 160 else { 161 while (*--strp == ' ' && strp >= outbuf) 162 ; 163 strp++; 164 } 165 *strp++ = '\n'; 166 (void) write(scfd, outbuf, strp-outbuf); 167 } 168 } 169 170 /* 171 * for each word, print up to 10 chars in big letters. 172 */ 173 int 174 main(int argc, char **argv) 175 { 176 char word[10+1]; /* strings limited to 10 chars */ 177 int c; 178 179 while ((c = getopt(argc, argv, "b:f:l")) != -1) { 180 switch (c) { 181 case 'f': 182 if (*optarg == '-') 183 ForeGnd = 0; 184 else 185 ForeGnd = *optarg; 186 break; 187 case 'b': 188 BackGnd = *optarg; 189 break; 190 case 'l': 191 Drop = 3; /* for LPD font */ 192 break; 193 default: 194 usage(); 195 } 196 } 197 198 for (; optind < argc; ++optind) { 199 (void)strlcpy(word, argv[optind], sizeof (word)); 200 scan_out(STDOUT_FILENO, word, '\0'); 201 } 202 exit(0); 203 } 204 205 void 206 usage(void) 207 { 208 fprintf(stderr, "usage: %s [-f fgchar] [-b bgchar] [-l] message...\n", 209 getprogname()); 210 exit(1); 211 } 212