xref: /netbsd/usr.bin/asa/asa.c (revision c4a72b64)
1 /*	$NetBSD: asa.c,v 1.15 2002/05/30 00:34:06 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 1.15 2002/05/30 00:34:06 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 	if (*argv == NULL)
54 		asa(stdin);
55 	else
56         	do {
57 			if ((fp = fopen(*argv, "r")) == NULL) {
58 				warn("%s", *argv);
59 				continue;
60 			}
61 			asa(fp);
62 			(void)fclose(fp);
63         	} while (*++argv != NULL);
64 
65 	exit(0);
66 }
67 
68 static void
69 asa(FILE *f)
70 {
71 	char *buf;
72 	size_t len;
73 
74 	if ((buf = fgetln(f, &len)) != NULL) {
75 		if (buf[len - 1] == '\n')
76 			buf[--len] = '\0';
77 		/* special case the first line */
78 		switch (buf[0]) {
79 		case '0':
80 			putchar('\n');
81 			break;
82 		case '1':
83 			putchar('\f');
84 			break;
85 		}
86 
87 		if (len > 1 && buf[0] && buf[1]) {
88 			printf("%.*s", (int)(len - 1), buf + 1);
89 		}
90 
91 		while ((buf = fgetln(f, &len)) != NULL) {
92 			if (buf[len - 1] == '\n')
93 				buf[--len] = '\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 (len > 1 && buf[0] && buf[1]) {
112 				printf("%.*s", (int)(len - 1), buf + 1);
113 			}
114 		}
115 
116 		putchar('\n');
117 	}
118 }
119