IABSD.fr/src/lib/libutil/getrawpartition.c

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• Author : deraadt
  Date : 2020-10-12 22:08:32
  Hash : 87afc19e
  Message : make fixed-sized fixed-value mib[] arrays be const ok guenther tb millert

• lib/libutil/getrawpartition.c

• /*	$OpenBSD: getrawpartition.c,v 1.11 2020/10/12 22:08:34 deraadt Exp $	*/
  /*	$NetBSD: getrawpartition.c,v 1.1 1996/05/16 07:03:33 thorpej Exp $	*/
  
  /*-
   * Copyright (c) 1996 The NetBSD Foundation, Inc.
   * All rights reserved.
   *
   * This code is derived from software contributed to The NetBSD Foundation
   * by Jason R. Thorpe.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <sys/types.h>
  #include <sys/sysctl.h>
  #include <stdio.h>		/* for NULL */
  
  #include "util.h"
  
  int
  getrawpartition(void)
  {
  	const int mib[2] = { CTL_KERN, KERN_RAWPARTITION };
  	int rawpart;
  	size_t varlen;
  
  	varlen = sizeof(rawpart);
  	if (sysctl(mib, 2, &rawpart, &varlen, NULL, (size_t)0) == -1)
  		return (-1);
  
  	return (rawpart);
  }