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- /*
- * Copyright (c) 1988 Regents of the University of California.
- * All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1988 Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)morse.c 5.3 (Berkeley) 2/28/91";
- #endif /* not lint */
-
- #include <stdio.h>
- #include <ctype.h>
-
- static char
- *digit[] = {
- "-----",
- ".----",
- "..---",
- "...--",
- "....-",
- ".....",
- "-....",
- "--...",
- "---..",
- "----.",
- },
- *alph[] = {
- ".-",
- "-...",
- "-.-.",
- "-..",
- ".",
- "..-.",
- "--.",
- "....",
- "..",
- ".---",
- "-.-",
- ".-..",
- "--",
- "-.",
- "---",
- ".--.",
- "--.-",
- ".-.",
- "...",
- "-",
- "..-",
- "...-",
- ".--",
- "-..-",
- "-.--",
- "--..",
- };
-
- static int sflag;
-
- main(argc, argv)
- int argc;
- char **argv;
- {
- extern char *optarg;
- extern int optind;
- register int ch;
- register char *p;
-
- while ((ch = getopt(argc, argv, "s")) != EOF)
- switch((char)ch) {
- case 's':
- sflag = 1;
- break;
- case '?':
- default:
- fprintf(stderr, "usage: morse [string ...]");
- exit(1);
- }
- argc -= optind;
- argv += optind;
-
- if (*argv)
- do {
- for (p = *argv; *p; ++p)
- morse((int)*p);
- } while (*++argv);
- else while ((ch = getchar()) != EOF)
- morse(ch);
- }
-
- morse(c)
- register int c;
- {
- if (isalpha(c))
- show(alph[c - (isupper(c) ? 'A' : 'a')]);
- else if (isdigit(c))
- show(digit[c - '0']);
- else if (c == ',')
- show("--..--");
- else if (c == '.')
- show(".-.-.-");
- else if (isspace(c))
- show(" ...\n");
- }
-
- show(s)
- register char *s;
- {
- if (sflag)
- printf(" %s", s);
- else for (; *s; ++s)
- printf(" %s", *s == '.' ? "dit" : "daw");
- printf(",\n");
- }
-