{
    $Id$
    This file is part of the Free Pascal run time library.
    Copyright (c) 2001 by Free Pascal development team

    An *BSD implementation of Uname based on the SYSCTL call.

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 **********************************************************************}


function uname(var name:utsname):cint;
Var
	mib  : array[0..1] of cint;
	rval : cint;
	len  : size_t;
	i    : longint;
	oerrno : cint;

procedure Doone(pz:pchar;pzsize:cint;val1,val2:cint);
	
Begin
  	mib[0] := val1;
	mib[1] := val2;
	len    := pzsize;
	oerrno := errno;
	if (sysctl(@mib, 2, pz, @len, NIL, 0) = -1) Then
           Begin	
		if (errno = sys_ENOMEM) Then
			errno := oerrno
		else
			rval := -1;
	   End;		 
	 pz[pzsize- 1] := #0;
End;

Begin
	rval := 0;
	DoOne(@name.sysname,sizeof(name.sysname),CTL_KERN,KERN_OSTYPE);
	DoOne(@name.nodename,sizeof(name.nodename),CTL_KERN,KERN_HOSTNAME);
	DoOne(@name.release,sizeof(name.release),CTL_KERN,KERN_OSRELEASE);
	{ The version may have newlines in it, turn them into spaces. }
	DoOne(@name.version,sizeof(name.version),CTL_KERN,KERN_VERSION);

        For I:=0 to sizeof(name.sysname)-2 Do
          If (name.version[i]=#13) or (name.version[i]=#9) Then
            name.version[i]:=' ';
	DoOne(@name.machine,sizeof(name.machine),CTL_HW,HW_MACHINE);
	Uname:=rval;
end;	

{
 $Log$
 Revision 1.1  2002-08-08 11:39:30  marco
  * Initial versions, to allow support for uname in posix.pp



}