1 /* $NetBSD: morse.c,v 1.17 2012/06/19 05:46:08 dholland Exp $ */
4 * Copyright (c) 1988, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
34 __COPYRIGHT("@(#) Copyright (c) 1988, 1993\
35 The Regents of the University of California. All rights reserved.");
40 static char sccsid
[] = "@(#)morse.c 8.1 (Berkeley) 5/31/93";
42 __RCSID("$NetBSD: morse.c,v 1.17 2012/06/19 05:46:08 dholland Exp $");
94 static const struct punc
{
113 int main(int, char *[]);
114 static void morse(int);
115 static void decode(const char *);
116 static void show(const char *);
122 main(int argc
, char **argv
)
127 /* Revoke setgid privileges */
130 while ((ch
= getopt(argc
, argv
, "ds")) != -1)
140 fprintf(stderr
, "usage: morse [-ds] [string ...]\n");
152 char foo
[10]; /* All morse chars shorter than this */
157 while ((ch
= getchar()) != EOF
) {
158 if (ch
== '-' || ch
== '.') {
161 /* overrun means gibberish--print 'x' and
165 while ((ch
= getchar()) != EOF
&&
166 (ch
== '.' || ch
== '-'))
175 } else if (isspace(ch
)) {
177 /* print whitespace for each double blank */
189 for (p
= *argv
; *p
; ++p
)
193 else while ((ch
= getchar()) != EOF
)
195 show("...-.-"); /* SK */
202 decode(const char *s
)
206 for (i
= 0; i
< 10; i
++)
207 if (strcmp(digit
[i
], s
) == 0) {
212 for (i
= 0; i
< 26; i
++)
213 if (strcmp(alph
[i
], s
) == 0) {
219 if (strcmp(other
[i
].morse
, s
) == 0) {
225 if (strcmp("...-.-", s
) == 0)
227 putchar('x'); /* line noise */
236 show(alph
[c
- (isupper(c
) ? 'A' : 'a')]);
238 show(digit
[c
- '0']);
240 show(""); /* could show BT for a pause */
244 if (other
[i
].c
== c
) {
245 show(other
[i
].morse
);
259 printf(" %s", *s
== '.' ? "dit" : "daw");