1/*-
2 * Copyright (c) 1996 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Jason R. Thorpe.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 *
29 *	from: NetBSD: main.c,v 1.15 2001/02/19 23:22:42 cgd Exp
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD$");
34
35#include <err.h>
36#include <stdio.h>
37#include <stdlib.h>
38#include <string.h>
39#include <sysexits.h>
40#include <unistd.h>
41
42#include "ofw_options.h"
43
44static int	action(char *);
45static void	dump_config(void);
46static void	usage(void);
47
48static void
49usage(void)
50{
51
52	fprintf(stderr,
53	    "usage: eeprom -a\n"
54	    "       eeprom [-] name[=value] ...\n");
55	exit(EX_USAGE);
56}
57
58int
59main(int argc, char *argv[])
60{
61	int do_stdin, opt;
62	int aflag, rv;
63	char *cp;
64	char line[BUFSIZ];
65
66	aflag = do_stdin = 0;
67	rv = EX_OK;
68	while ((opt = getopt(argc, argv, "-a")) != -1) {
69		switch (opt) {
70		case '-':
71			if (aflag)
72				usage();
73			do_stdin = 1;
74			break;
75		case 'a':
76			if (do_stdin)
77				usage();
78			aflag = 1;
79			break;
80		case '?':
81		default:
82			usage();
83			/* NOTREACHED */
84		}
85	}
86	argc -= optind;
87	argv += optind;
88
89	if (aflag) {
90		if (argc != 0)
91			usage();
92		dump_config();
93	} else {
94		if (do_stdin) {
95			while (fgets(line, BUFSIZ, stdin) != NULL &&
96			    rv == EX_OK) {
97				if (line[0] == '\n')
98					continue;
99				if ((cp = strrchr(line, '\n')) != NULL)
100					*cp = '\0';
101				rv = action(line);
102			}
103			if (ferror(stdin))
104				err(EX_NOINPUT, "stdin");
105		} else {
106			if (argc == 0)
107				usage();
108			while (argc && rv == EX_OK) {
109				rv = action(*argv);
110				++argv;
111				--argc;
112			}
113		}
114	}
115	return (rv);
116}
117
118static int
119action(char *line)
120{
121	int rv;
122	char *keyword, *arg;
123
124	keyword = strdup(line);
125	if (keyword == NULL)
126		err(EX_OSERR, "malloc() failed");
127	if ((arg = strrchr(keyword, '=')) != NULL)
128		*arg++ = '\0';
129	switch (rv = ofwo_action(keyword, arg)) {
130		case EX_UNAVAILABLE:
131			warnx("nothing available for '%s'.", keyword);
132			break;
133		case EX_DATAERR:
134			warnx("invalid value '%s' for '%s'.", arg, keyword);
135			break;
136	}
137	free(keyword);
138	return(rv);
139}
140
141static void
142dump_config(void)
143{
144
145	ofwo_dump();
146}
147