--
--****************************************************************************
--*                                                                          *
--*  Copyright (c) 2001                                                      *
--*  by DIGITAL Equipment Corporation, Maynard, Mass.                        *
--*                                                                          *
--*  This software is furnished under a license and may be used and  copied  *
--*  only  in  accordance  with  the  terms  of  such  license and with the  *
--*  inclusion of the above copyright notice.  This software or  any  other  *
--*  copies  thereof may not be provided or otherwise made available to any  *
--*  other person.  No title to and ownership of  the  software  is  hereby  *
--*  transferred.                                                            *
--*                                                                          *
--*  The information in this software is subject to change  without  notice  *
--*  and  should  not  be  construed  as  a commitment by DIGITAL Equipment  *
--*  Corporation.                                                            *
--*                                                                          *
--*  DIGITAL assumes no responsibility for the use or  reliability  of  its  *
--*  software on equipment which is not supplied by DIGITAL.                 *
--*                                                                          *
--****************************************************************************
--********************************************************************************************************************
-- Created: 15-MAR-2001 22:52:41 by OpenVMS SDL EV1-33     
-- Source:   2-SEP-1989 10:46:08 $11$DUA933:[LIB_ADA.LIS]KFDDEF.SDL;1 
--********************************************************************************************************************
with SYSTEM; use SYSTEM;
with STARLET; use STARLET;
with CONDITION_HANDLING; use CONDITION_HANDLING;
 
package KFDDEF is
 
--  module $KFDDEF
 
--
-- KNOWN FILE DEVICE AND DIRECTORY BLOCK DEFINITIONS
--
 
    KFD_C_LENGTH		: constant := 17;			--  Length of fixed area of kfd entry 
 
    type KFD_TYPE is
	record
	    LINK	: UNSIGNED_LONGWORD;				--  Device, Directory, Extension (KFD) list link
	    KFELIST	: UNSIGNED_LONGWORD;				--  Ordered Known file entry list header
	    SIZE	: UNSIGNED_WORD;				--  Size of block 
	    TYP		: UNSIGNED_BYTE;				--  Structure type 
	    SPARE	: UNSIGNED_BYTE;				--  spare
	    REFCNT	: UNSIGNED_WORD;				--  Number of KFE's with same KFD
	    DEVLEN	: UNSIGNED_BYTE;				--  Length of Device string
	    DIRLEN	: UNSIGNED_BYTE;				--  Length of Directory string
	    DDTSTRLEN	: UNSIGNED_BYTE;				--  Length of Device, Directory, Type (DDT) string
	    DDTSTR	: STRING(1 .. 0);				--  Offset to DDT string
	end record;
 
	    for KFD_TYPE use 
		record
		    LINK	at 0 range 0 .. 31;
		    KFELIST	at 4 range 0 .. 31;
		    SIZE	at 8 range 0 .. 15;
		    TYP		at 10 range 0 .. 7;
		    SPARE	at 11 range 0 .. 7;
		    REFCNT	at 12 range 0 .. 15;
		    DEVLEN	at 14 range 0 .. 7;
		    DIRLEN	at 15 range 0 .. 7;
		    DDTSTRLEN	at 16 range 0 .. 7;
		    DDTSTR	at 17 range 0 .. -1;
		end record;
	    for KFD_TYPE'SIZE use 136;
 
    KFD_TYPE_INIT : constant KFD_TYPE := 
	    (LINK	=> 0,
	    KFELIST	=> 0,
	    SIZE	=> 0,
	    TYP		=> 0,
	    SPARE	=> 0,
	    REFCNT	=> 0,
	    DEVLEN	=> 0,
	    DIRLEN	=> 0,
	    DDTSTRLEN	=> 0,
	    DDTSTR	=> (others => ASCII.NUL));
 
end KFDDEF;