sysctlnametomib.c revision 1.4 
1/*	$NetBSD: sysctlnametomib.c,v 1.4 2008/04/29 06:53:01 martin Exp $ */
2
3/*-
4 * Copyright (c) 2003,2004 The NetBSD Foundation, Inc.
5 *	All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Brown.
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#if defined(LIBC_SCCS) && !defined(lint)
34__RCSID("$NetBSD: sysctlnametomib.c,v 1.4 2008/04/29 06:53:01 martin Exp $");
35#endif /* LIBC_SCCS and not lint */
36
37#include "namespace.h"
38#include <sys/param.h>
39#include <sys/sysctl.h>
40
41#ifdef __weak_alias
42__weak_alias(sysctlnametomib,_sysctlnametomib)
43#endif
44
45/*
46 * freebsd compatible sysctlnametomib() function, implemented as an
47 * extremely thin wrapper around sysctlgetmibinfo().  i think the use
48 * of size_t as the third argument is erroneous, but what can we do
49 * about that?
50 */
51int
52sysctlnametomib(const char *gname, int *iname, size_t *namelenp)
53{
54	u_int unamelen;
55	int rc;
56
57	unamelen = *namelenp;
58	rc = sysctlgetmibinfo(gname, iname, &unamelen, NULL, NULL, NULL,
59			      SYSCTL_VERSION);
60	*namelenp = unamelen;
61
62	return (rc);
63}
64