cdesktopenv/cde/lib/DtSearch/raima/dbacode.c

73 lines
2.1 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: dbacode.c /main/2 1996/05/09 04:02:05 drk $ */
/*
* COMPONENT_NAME: austext
*
* FUNCTIONS: d_decode_dba
* d_encode_dba
*
* ORIGINS: 157
*
* OBJECT CODE ONLY SOURCE MATERIALS
*/
/*-----------------------------------------------------------------------
dbacode.c -- Module for encoding and decoding database addresses
(C) Copyright 1987 by Raima Corporation.
-----------------------------------------------------------------------*/
#include <stdio.h>
#include "vista.h"
#include "dbtype.h"
/* Decode file and slot number from a database address
*/
int
d_decode_dba(
DB_ADDR dba, /* database address */
int *file, /* returned file number */
long *slot /* returned slot number */
)
{
*file = (int)(FILEMASK & (dba >> FILESHIFT));
*slot = ADDRMASK & dba;
return ( db_status = S_OKAY );
}
/* Encode database address from file and slot number
*/
int
d_encode_dba(
int file, /* returned file number */
long slot, /* returned slot number */
DB_ADDR *dba /* database address */
)
{
*dba = ((FILEMASK & file) << FILESHIFT) | slot;
return ( db_status = S_OKAY );
}
/* vpp -nOS2 -dUNIX -nBSD -nVANILLA_BSD -nVMS -nMEMLOCK -nWINDOWS -nFAR_ALLOC -f/usr/users/master/config/nonwin dbacode.c */