ndbm.h revision 93032 
1/*-
2 * Copyright (c) 1990, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Margo Seltzer.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
37 * $FreeBSD: head/include/ndbm.h 93032 2002-03-23 17:24:55Z imp $
38 */
39
40#ifndef _NDBM_H_
41#define	_NDBM_H_
42
43#include <db.h>
44
45/* Map dbm interface onto db(3). */
46#define DBM_RDONLY	O_RDONLY
47
48/* Flags to dbm_store(). */
49#define DBM_INSERT      0
50#define DBM_REPLACE     1
51
52/*
53 * The db(3) support for ndbm always appends this suffix to the
54 * file name to avoid overwriting the user's original database.
55 */
56#define	DBM_SUFFIX	".db"
57
58typedef struct {
59	char *dptr;
60	int dsize;
61} datum;
62
63typedef DB DBM;
64#define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
65
66__BEGIN_DECLS
67int	 dbm_clearerr(DBM *);
68void	 dbm_close(DBM *);
69int	 dbm_delete(DBM *, datum);
70int	 dbm_error(DBM *);
71datum	 dbm_fetch(DBM *, datum);
72datum	 dbm_firstkey(DBM *);
73long	 dbm_forder(DBM *, datum);
74datum	 dbm_nextkey(DBM *);
75DBM	*dbm_open(const char *, int, int);
76int	 dbm_store(DBM *, datum, datum, int);
77int	 dbm_dirfno(DBM *);
78__END_DECLS
79
80#endif /* !_NDBM_H_ */
81