1/*-
 2 * SPDX-License-Identifier: BSD-3-Clause
 3 *
 4 * Copyright (c) 1990, 1993
 5 *	The Regents of the University of California.  All rights reserved.
 6 *
 7 * This code is derived from software contributed to Berkeley by
 8 * Margo Seltzer.
 9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
35 */
36
37#ifndef _NDBM_H_
38#define	_NDBM_H_
39
40#include <db.h>
41
42/* Map dbm interface onto db(3). */
43#define DBM_RDONLY	O_RDONLY
44
45/* Flags to dbm_store(). */
46#define DBM_INSERT      0
47#define DBM_REPLACE     1
48
49/*
50 * The db(3) support for ndbm always appends this suffix to the
51 * file name to avoid overwriting the user's original database.
52 */
53#define	DBM_SUFFIX	".db"
54
55typedef struct {
56	void *dptr;
57	int dsize;	/* XXX Should be size_t according to 1003.1-2008. */
58} datum;
59
60typedef DB DBM;
61#define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
62
63__BEGIN_DECLS
64int	 dbm_clearerr(DBM *);
65void	 dbm_close(DBM *);
66int	 dbm_delete(DBM *, datum);
67int	 dbm_error(DBM *);
68datum	 dbm_fetch(DBM *, datum);
69datum	 dbm_firstkey(DBM *);
70#if __BSD_VISIBLE
71long	 dbm_forder(DBM *, datum);
72#endif
73datum	 dbm_nextkey(DBM *);
74DBM	*dbm_open(const char *, int, mode_t);
75int	 dbm_store(DBM *, datum, datum, int);
76#if __BSD_VISIBLE
77int	 dbm_dirfno(DBM *);
78#endif
79__END_DECLS
80
81#endif /* !_NDBM_H_ */