/include/ndbm.h

 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. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
33 * $FreeBSD$
34 */
35
36#ifndef _NDBM_H_
37#define	_NDBM_H_
38
39#include <db.h>
40
41/* Map dbm interface onto db(3). */
42#define DBM_RDONLY	O_RDONLY
43
44/* Flags to dbm_store(). */
45#define DBM_INSERT      0
46#define DBM_REPLACE     1
47
48/*
49 * The db(3) support for ndbm always appends this suffix to the
50 * file name to avoid overwriting the user's original database.
51 */
52#define	DBM_SUFFIX	".db"
53
54typedef struct {
55	char *dptr;
56	int dsize;
57} datum;
58
59typedef DB DBM;
60#define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
61
62__BEGIN_DECLS
63int	 dbm_clearerr(DBM *);
64void	 dbm_close(DBM *);
65int	 dbm_delete(DBM *, datum);
66int	 dbm_error(DBM *);
67datum	 dbm_fetch(DBM *, datum);
68datum	 dbm_firstkey(DBM *);
69#if __BSD_VISIBLE
70long	 dbm_forder(DBM *, datum);
71#endif
72datum	 dbm_nextkey(DBM *);
73DBM	*dbm_open(const char *, int, int);
74int	 dbm_store(DBM *, datum, datum, int);
75#if __BSD_VISIBLE
76int	 dbm_dirfno(DBM *);
77#endif
78__END_DECLS
79
80#endif /* !_NDBM_H_ */