xref: /netbsd/usr.bin/asa/asa.c (revision bf9ec67e)
1 /*	$NetBSD: asa.c,v 1.14 2002/05/02 13:59:25 enami Exp $	*/
2 
3 /*
4  * Copyright (c) 1993,94 Winning Strategies, Inc.
5  * 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 Winning Strategies, Inc.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/cdefs.h>
34 #ifndef lint
35 __RCSID("$NetBSD: asa.c,v 1.14 2002/05/02 13:59:25 enami Exp $");
36 #endif
37 
38 #include <err.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 
42 static void asa(FILE *);
43 int main(int, char *[]);
44 
45 int
46 main (int argc, 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 				++argv;
59 				continue;
60 			}
61 			++argv;
62 		}
63 		asa(fp);
64 		if (fp != stdin)
65 			(void)fclose(fp);
66 	} while (*argv);
67 
68 	exit(0);
69 }
70 
71 static void
72 asa(FILE *f)
73 {
74 	char *buf;
75 	size_t len;
76 
77 	if ((buf = fgetln(f, &len)) != NULL) {
78 		if (buf[len - 1] == '\n')
79 			buf[--len] = '\0';
80 		/* special case the first line */
81 		switch (buf[0]) {
82 		case '0':
83 			putchar('\n');
84 			break;
85 		case '1':
86 			putchar('\f');
87 			break;
88 		}
89 
90 		if (len > 1 && buf[0] && buf[1]) {
91 			printf("%.*s", (int)(len - 1), buf + 1);
92 		}
93 
94 		while ((buf = fgetln(f, &len)) != NULL) {
95 			if (buf[len - 1] == '\n')
96 				buf[--len] = '\0';
97 			switch (buf[0]) {
98 			default:
99 			case ' ':
100 				putchar('\n');
101 				break;
102 			case '0':
103 				putchar('\n');
104 				putchar('\n');
105 				break;
106 			case '1':
107 				putchar('\f');
108 				break;
109 			case '+':
110 				putchar('\r');
111 				break;
112 			}
113 
114 			if (len > 1 && buf[0] && buf[1]) {
115 				printf("%.*s", (int)(len - 1), buf + 1);
116 			}
117 		}
118 
119 		putchar('\n');
120 	}
121 }
122