1 /* $NetBSD: morse.c,v 1.4 1997/10/10 16:38:40 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1993 5 * The Regents of the University of California. 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 the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1988, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)morse.c 8.1 (Berkeley) 5/31/93"; 45 #else 46 __RCSID("$NetBSD: morse.c,v 1.4 1997/10/10 16:38:40 lukem Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <ctype.h> 51 #include <stdio.h> 52 #include <unistd.h> 53 54 static char 55 *digit[] = { 56 "-----", 57 ".----", 58 "..---", 59 "...--", 60 "....-", 61 ".....", 62 "-....", 63 "--...", 64 "---..", 65 "----.", 66 }, 67 *alph[] = { 68 ".-", 69 "-...", 70 "-.-.", 71 "-..", 72 ".", 73 "..-.", 74 "--.", 75 "....", 76 "..", 77 ".---", 78 "-.-", 79 ".-..", 80 "--", 81 "-.", 82 "---", 83 ".--.", 84 "--.-", 85 ".-.", 86 "...", 87 "-", 88 "..-", 89 "...-", 90 ".--", 91 "-..-", 92 "-.--", 93 "--..", 94 }; 95 96 int main __P((int, char *[])); 97 void morse __P((int)); 98 void show __P((char *)); 99 100 static int sflag; 101 102 int 103 main(argc, argv) 104 int argc; 105 char **argv; 106 { 107 int ch; 108 char *p; 109 110 while ((ch = getopt(argc, argv, "s")) != -1) 111 switch((char)ch) { 112 case 's': 113 sflag = 1; 114 break; 115 case '?': 116 default: 117 fprintf(stderr, "usage: morse [string ...]"); 118 exit(1); 119 } 120 argc -= optind; 121 argv += optind; 122 123 if (*argv) 124 do { 125 for (p = *argv; *p; ++p) 126 morse((int)*p); 127 } while (*++argv); 128 else while ((ch = getchar()) != EOF) 129 morse(ch); 130 exit(0); 131 } 132 133 void 134 morse(c) 135 int c; 136 { 137 if (isalpha(c)) 138 show(alph[c - (isupper(c) ? 'A' : 'a')]); 139 else if (isdigit(c)) 140 show(digit[c - '0']); 141 else if (c == ',') 142 show("--..--"); 143 else if (c == '.') 144 show(".-.-.-"); 145 else if (isspace(c)) 146 show(" ...\n"); 147 } 148 149 void 150 show(s) 151 char *s; 152 { 153 if (sflag) 154 printf(" %s", s); 155 else for (; *s; ++s) 156 printf(" %s", *s == '.' ? "dit" : "daw"); 157 printf(",\n"); 158 } 159