1/*	$NetBSD: netgroup.c,v 1.5 2007/12/15 19:44:52 perry Exp $	*/
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__RCSID("$NetBSD: netgroup.c,v 1.5 2007/12/15 19:44:52 perry Exp $");
34
35#include <stdio.h>
36#include <stdlib.h>
37#include <unistd.h>
38#include <netgroup.h>
39
40static void usage __P((void)) __dead;
41int main __P((int, char *[]));
42
43static void
44usage()
45{
46
47	(void)fprintf(stderr, "usage: %s [-hud] <netgroup>\n", getprogname());
48	exit(1);
49}
50
51int
52main(argc, argv)
53	int argc;
54	char *argv[];
55{
56	int c, i = 0;
57	const char *p[3];
58
59	while ((c = getopt(argc, argv, "hud")) != -1)
60		switch (c) {
61		case 'h':
62			i = 0;
63			break;
64		case 'u':
65			i = 1;
66			break;
67		case 'd':
68			i = 2;
69			break;
70		default:
71			usage();
72		}
73
74	if (optind >= argc)
75		usage();
76
77	for(; optind < argc; optind++) {
78		setnetgrent(argv[optind]);
79		while (getnetgrent(&p[0], &p[1], &p[2]))
80			if (p[i])
81				printf("%s\n", p[i]);
82		endnetgrent();
83	}
84	return 0;
85}
86