xref: /netbsd-src/include/ndbm.h (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*	$NetBSD: ndbm.h,v 1.5 1994/10/26 00:56:08 cgd Exp $	*/
2 
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. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
39  */
40 
41 #ifndef _NDBM_H_
42 #define	_NDBM_H_
43 
44 #include <db.h>
45 
46 /* Map dbm interface onto db(3). */
47 #define DBM_RDONLY	O_RDONLY
48 
49 /* Flags to dbm_store(). */
50 #define DBM_INSERT      0
51 #define DBM_REPLACE     1
52 
53 /*
54  * The db(3) support for ndbm(3) always appends this suffix to the
55  * file name to avoid overwriting the user's original database.
56  */
57 #define	DBM_SUFFIX	".db"
58 
59 typedef struct {
60 	char *dptr;
61 	int dsize;
62 } datum;
63 
64 typedef DB DBM;
65 #define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
66 
67 __BEGIN_DECLS
68 void	 dbm_close __P((DBM *));
69 int	 dbm_delete __P((DBM *, datum));
70 datum	 dbm_fetch __P((DBM *, datum));
71 datum	 dbm_firstkey __P((DBM *));
72 long	 dbm_forder __P((DBM *, datum));
73 datum	 dbm_nextkey __P((DBM *));
74 DBM	*dbm_open __P((const char *, int, int));
75 int	 dbm_store __P((DBM *, datum, datum, int));
76 int	 dbm_dirfno __P((DBM *));
77 __END_DECLS
78 
79 #endif /* !_NDBM_H_ */
80