xref: /netbsd-src/usr.bin/asa/asa.c (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*
2  * Copyright (c) 1993,94 Winning Strategies, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *      This product includes software developed by Winning Strategies, Inc.
16  * 4. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  *	$Header: /cvsroot/src/usr.bin/asa/asa.c,v 1.6 1994/11/14 21:51:30 jtc Exp $
31  */
32 
33 #ifndef lint
34 static char *rcsid = "$Id: asa.c,v 1.6 1994/11/14 21:51:30 jtc Exp $";
35 #endif
36 
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <err.h>
40 
41 static void asa();
42 
43 int
44 main (argc, argv)
45 	int argc;
46 	char **argv;
47 {
48 	FILE *fp;
49 
50 	/* skip progname */
51 	argv++;
52 
53         fp = stdin;
54         do {
55                 if (*argv) {
56                         if (!(fp = fopen(*argv, "r"))) {
57 				warn ("%s", *argv);
58 				continue;
59                         }
60                 }
61                 asa (fp);
62                 if (fp != stdin)
63                         (void)fclose(fp);
64         } while (*argv++);
65 
66 	exit (0);
67 }
68 
69 static void
70 asa(f)
71 	FILE *f;
72 {
73 	char *buf;
74 	int len;
75 
76 	if ((buf = fgetln (f, &len)) != NULL) {
77 		buf[len - 1] = '\0';
78 		/* special case the first line  */
79 		switch (buf[0]) {
80 		case '0':
81 			putchar ('\n');
82 			break;
83 		case '1':
84 			putchar ('\f');
85 			break;
86 		}
87 
88 		if (buf[0] && buf[1]) {
89 			fputs (&buf[1], stdout);
90 		}
91 
92 		while ((buf = fgetln(f, &len)) != NULL) {
93 			buf[len - 1] = '\0';
94 			switch (buf[0]) {
95 			default:
96 			case ' ':
97 				putchar ('\n');
98 				break;
99 			case '0':
100 				putchar ('\n');
101 				putchar ('\n');
102 				break;
103 			case '1':
104 				putchar ('\f');
105 				break;
106 			case '+':
107 				putchar ('\r');
108 				break;
109 			}
110 
111 			if (buf[0] && buf[1]) {
112 				fputs (&buf[1], stdout);
113 			}
114 		}
115 
116 		putchar ('\n');
117 	}
118 }
119