IABSD.fr/src/libexec/ld.so/dl_uname.c

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• Author : deraadt
  Date : 2015-01-16 16:18:07
  Hash : 5b40abcf
  Message : <sys/param.h> to <limits.h> conversion. Verified binaries ok millert, thanks to doug for process advice

• libexec/ld.so/dl_uname.c

• /*	$OpenBSD: dl_uname.c,v 1.2 2015/01/16 16:18:07 deraadt Exp $ */
  /*
   * Copyright (c) 1994
   *	The Regents of the University of California.  All rights reserved.
   *
   * 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.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 <sys/utsname.h>
  
  #include "archdep.h"
  
  /*
   * This file was copied from libc/gen/uname.c and modified for ld.so's
   * syscall method which returns -errno. Also KERN_OSVERSION is not retrieved
   * since ld.so doesn't need it.
   */
  
  int
  _dl_uname(struct utsname *name)
  {
  	int mib[2], rval;
  	size_t len;
  
  	rval = 0;
  
  	mib[0] = CTL_KERN;
  	mib[1] = KERN_OSTYPE;
  	len = sizeof(name->sysname);
  	if (_dl_sysctl(mib, 2, &name->sysname, &len, NULL, 0) < 0)
  		rval = -1;
  
  	mib[0] = CTL_KERN;
  	mib[1] = KERN_OSRELEASE;
  	len = sizeof(name->release);
  	if (_dl_sysctl(mib, 2, &name->release, &len, NULL, 0) < 0)
  		rval = -1;
  
  	mib[0] = CTL_HW;
  	mib[1] = HW_MACHINE;
  	len = sizeof(name->machine);
  	if (_dl_sysctl(mib, 2, &name->machine, &len, NULL, 0) < 0)
  		rval = -1;
  	return (rval);
  }