xref: /openbsd/include/ndbm.h (revision cbc29a2b)
1 /*	$OpenBSD: ndbm.h,v 1.6 2004/05/03 17:27:50 millert Exp $	*/
2 /*	$NetBSD: ndbm.h,v 1.6 1995/07/20 23:31:11 jtc Exp $	*/
3 
4 /*-
5  * Copyright (c) 1990, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * Margo Seltzer.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
36  */
37 
38 #ifndef _NDBM_H_
39 #define	_NDBM_H_
40 
41 #include <db.h>
42 
43 /* Map dbm interface onto db(3). */
44 #define DBM_RDONLY	O_RDONLY
45 
46 /* Flags to dbm_store(). */
47 #define DBM_INSERT      0
48 #define DBM_REPLACE     1
49 
50 /*
51  * The db(3) support for ndbm(3) always appends this suffix to the
52  * file name to avoid overwriting the user's original database.
53  */
54 #define	DBM_SUFFIX	".db"
55 
56 typedef struct {
57 	void *dptr;
58 	size_t dsize;
59 } datum;
60 
61 typedef DB DBM;
62 #define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
63 
64 __BEGIN_DECLS
65 int	 dbm_clearerr(DBM *);
66 void	 dbm_close(DBM *);
67 int	 dbm_delete(DBM *, datum);
68 int	 dbm_error(DBM *);
69 datum	 dbm_fetch(DBM *, datum);
70 datum	 dbm_firstkey(DBM *);
71 datum	 dbm_nextkey(DBM *);
72 DBM	*dbm_open(const char *, int, mode_t);
73 int	 dbm_store(DBM *, datum, datum, int);
74 int	 dbm_dirfno(DBM *);
75 int	 dbm_rdonly(DBM *);
76 __END_DECLS
77 
78 #endif /* !_NDBM_H_ */
79