xref: /netbsd/sbin/modunload/main.c (revision 6550d01e)
1 /*	$NetBSD: main.c,v 1.4 2010/12/13 20:48:45 pooka Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008 The NetBSD Foundation, 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  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 #ifndef lint
31 __RCSID("$NetBSD: main.c,v 1.4 2010/12/13 20:48:45 pooka Exp $");
32 #endif /* !lint */
33 
34 #include <sys/module.h>
35 
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <err.h>
41 
42 #include "prog_ops.h"
43 
44 int	main(int, char **);
45 static void	usage(void) __dead;
46 
47 int
48 main(int argc, char **argv)
49 {
50 	int i;
51 
52 	if (argc < 2)
53 		usage();
54 
55 	if (prog_init && prog_init() == -1)
56 		err(1, "init failed");
57 
58 	for (i = 1; i < argc; i++) {
59 		if (prog_modctl(MODCTL_UNLOAD, argv[i])) {
60 			err(EXIT_FAILURE, NULL);
61 		}
62 	}
63 
64 	exit(EXIT_SUCCESS);
65 }
66 
67 static void
68 usage(void)
69 {
70 
71 	(void)fprintf(stderr, "Usage: %s <module_name ...>\n", getprogname());
72 	exit(EXIT_FAILURE);
73 }
74