xref: /illumos-gate/usr/src/ucbhead/dbm.h (revision 4870e0a7)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
287c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate /*
317c478bd9Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
327c478bd9Sstevel@tonic-gate  * The Regents of the University of California
337c478bd9Sstevel@tonic-gate  * All Rights Reserved
347c478bd9Sstevel@tonic-gate  *
357c478bd9Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
367c478bd9Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
377c478bd9Sstevel@tonic-gate  * contributors.
387c478bd9Sstevel@tonic-gate  */
397c478bd9Sstevel@tonic-gate 
407c478bd9Sstevel@tonic-gate #ifndef _DBM_H
417c478bd9Sstevel@tonic-gate #define	_DBM_H
427c478bd9Sstevel@tonic-gate 
43*4870e0a7SRichard PALO #include <sys/isa_defs.h>
44*4870e0a7SRichard PALO #include <sys/null.h>
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate #ifdef __cplusplus
477c478bd9Sstevel@tonic-gate extern "C" {
487c478bd9Sstevel@tonic-gate #endif
497c478bd9Sstevel@tonic-gate 
507c478bd9Sstevel@tonic-gate #define	PBLKSIZ	1024
517c478bd9Sstevel@tonic-gate #define	DBLKSIZ	4096
527c478bd9Sstevel@tonic-gate #define	BYTESIZ	8
537c478bd9Sstevel@tonic-gate 
547c478bd9Sstevel@tonic-gate long	bitno;
557c478bd9Sstevel@tonic-gate long	maxbno;
567c478bd9Sstevel@tonic-gate long	blkno;
577c478bd9Sstevel@tonic-gate long	hmask;
587c478bd9Sstevel@tonic-gate 
597c478bd9Sstevel@tonic-gate char	pagbuf[PBLKSIZ];
607c478bd9Sstevel@tonic-gate char	dirbuf[DBLKSIZ];
617c478bd9Sstevel@tonic-gate 
627c478bd9Sstevel@tonic-gate int	dirf;
637c478bd9Sstevel@tonic-gate int	pagf;
647c478bd9Sstevel@tonic-gate int	dbrdonly;
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate #ifndef	DATUM
677c478bd9Sstevel@tonic-gate typedef	struct
687c478bd9Sstevel@tonic-gate {
697c478bd9Sstevel@tonic-gate 	char	*dptr;
707c478bd9Sstevel@tonic-gate 	int	dsize;
717c478bd9Sstevel@tonic-gate } datum;
727c478bd9Sstevel@tonic-gate #define	DATUM
737c478bd9Sstevel@tonic-gate #endif
747c478bd9Sstevel@tonic-gate 
757c478bd9Sstevel@tonic-gate #ifdef __STDC__
767c478bd9Sstevel@tonic-gate datum	fetch(datum);
777c478bd9Sstevel@tonic-gate datum	makdatum(char *, int);
787c478bd9Sstevel@tonic-gate datum	firstkey(void);
797c478bd9Sstevel@tonic-gate datum	nextkey(datum);
807c478bd9Sstevel@tonic-gate datum	firsthash(long);
817c478bd9Sstevel@tonic-gate long	calchash(datum);
827c478bd9Sstevel@tonic-gate long	hashinc(long);
837c478bd9Sstevel@tonic-gate #else
847c478bd9Sstevel@tonic-gate datum	fetch();
857c478bd9Sstevel@tonic-gate datum	makdatum();
867c478bd9Sstevel@tonic-gate datum	firstkey();
877c478bd9Sstevel@tonic-gate datum	nextkey();
887c478bd9Sstevel@tonic-gate datum	firsthash();
897c478bd9Sstevel@tonic-gate long	calchash();
907c478bd9Sstevel@tonic-gate long	hashinc();
917c478bd9Sstevel@tonic-gate #endif
927c478bd9Sstevel@tonic-gate 
937c478bd9Sstevel@tonic-gate #ifdef __cplusplus
947c478bd9Sstevel@tonic-gate }
957c478bd9Sstevel@tonic-gate #endif
967c478bd9Sstevel@tonic-gate 
977c478bd9Sstevel@tonic-gate #endif	/* _DBM_H */
98