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
35#ifndef _NDBM_H_
36#define	_NDBM_H_
37
38#include <db.h>
39
40/* Map dbm interface onto db(3). */
41#define DBM_RDONLY	O_RDONLY
42
43/* Flags to dbm_store(). */
44#define DBM_INSERT      0
45#define DBM_REPLACE     1
46
47/*
48 * The db(3) support for ndbm always appends this suffix to the
49 * file name to avoid overwriting the user's original database.
50 */
51#define	DBM_SUFFIX	".db"
52
53typedef struct {
54	void *dptr;
55	int dsize;	/* XXX Should be size_t according to 1003.1-2008. */
56} datum;
57
58typedef DB DBM;
59#define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
60
61__BEGIN_DECLS
62int	 dbm_clearerr(DBM *);
63void	 dbm_close(DBM *);
64int	 dbm_delete(DBM *, datum);
65int	 dbm_error(DBM *);
66datum	 dbm_fetch(DBM *, datum);
67datum	 dbm_firstkey(DBM *);
68#if __BSD_VISIBLE
69long	 dbm_forder(DBM *, datum);
70#endif
71datum	 dbm_nextkey(DBM *);
72DBM	*dbm_open(const char *, int, mode_t);
73int	 dbm_store(DBM *, datum, datum, int);
74#if __BSD_VISIBLE
75int	 dbm_dirfno(DBM *);
76#endif
77__END_DECLS
78
79#endif /* !_NDBM_H_ */
80