1/*	$NetBSD: asa.c,v 1.11 1997/09/20 14:55:00 lukem 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#if 0
35#ifndef lint
36__RCSID("$NetBSD: asa.c,v 1.11 1997/09/20 14:55:00 lukem Exp $");
37#endif
38#endif
39__FBSDID("$FreeBSD$");
40
41#include <err.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <unistd.h>
45
46static void asa(FILE *);
47static void usage(void);
48
49int
50main(int argc, char *argv[])
51{
52	int ch, exval;
53	FILE *fp;
54	const char *fn;
55
56	while ((ch = getopt(argc, argv, "")) != -1) {
57		switch (ch) {
58		case '?':
59		default:
60			usage();
61			/*NOTREACHED*/
62		}
63	}
64	argc -= optind;
65	argv += optind;
66
67	exval = 0;
68	if (argc == 0)
69		asa(stdin);
70	else {
71		while ((fn = *argv++) != NULL) {
72                        if ((fp = fopen(fn, "r")) == NULL) {
73				warn("%s", fn);
74				exval = 1;
75				continue;
76                        }
77			asa(fp);
78			fclose(fp);
79		}
80	}
81
82	exit(exval);
83}
84
85static void
86usage(void)
87{
88
89	fprintf(stderr, "usage: asa [file ...]\n");
90	exit(1);
91}
92
93static void
94asa(FILE *f)
95{
96	size_t len;
97	char *buf;
98
99	if ((buf = fgetln(f, &len)) != NULL) {
100		if (buf[len - 1] == '\n')
101			buf[--len] = '\0';
102		/* special case the first line */
103		switch (buf[0]) {
104		case '0':
105			putchar('\n');
106			break;
107		case '1':
108			putchar('\f');
109			break;
110		}
111
112		if (len > 1 && buf[0] && buf[1])
113			printf("%.*s", (int)(len - 1), buf + 1);
114
115		while ((buf = fgetln(f, &len)) != NULL) {
116			if (buf[len - 1] == '\n')
117				buf[--len] = '\0';
118			switch (buf[0]) {
119			default:
120			case ' ':
121				putchar('\n');
122				break;
123			case '0':
124				putchar('\n');
125				putchar('\n');
126				break;
127			case '1':
128				putchar('\f');
129				break;
130			case '+':
131				putchar('\r');
132				break;
133			}
134
135			if (len > 1 && buf[0] && buf[1])
136				printf("%.*s", (int)(len - 1), buf + 1);
137		}
138
139		putchar('\n');
140	}
141}
142