1/* $NetBSD: sysctlnametomib.c,v 1.5 2010/12/13 21:07:55 pooka 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 1.5 2010/12/13 21:07:55 pooka Exp $"); 35#endif /* LIBC_SCCS and not lint */ 36 37#ifndef RUMP_ACTION 38#include "namespace.h" 39#endif 40#include <sys/param.h> 41#include <sys/sysctl.h> 42 43#ifdef RUMP_ACTION 44#include <rump/rump_syscalls.h> 45#define sysctl(a,b,c,d,e,f) rump_sys___sysctl(a,b,c,d,e,f) 46#else 47#ifdef __weak_alias 48__weak_alias(sysctlnametomib,_sysctlnametomib) 49#endif 50#endif /* RUMP_ACTION */ 51 52/* 53 * freebsd compatible sysctlnametomib() function, implemented as an 54 * extremely thin wrapper around sysctlgetmibinfo(). i think the use 55 * of size_t as the third argument is erroneous, but what can we do 56 * about that? 57 */ 58int 59sysctlnametomib(const char *gname, int *iname, size_t *namelenp) 60{ 61 u_int unamelen; 62 int rc; 63 64 unamelen = *namelenp; 65 rc = sysctlgetmibinfo(gname, iname, &unamelen, NULL, NULL, NULL, 66 SYSCTL_VERSION); 67 *namelenp = unamelen; 68 69 return (rc); 70} 71