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  *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
35  * $FreeBSD$ : src/include/ndbm.h
36  *             Nov 20 19:45:28 2017 UTC by pfg
37  *             SVN Revision 326024
38  */
39 
40 #ifndef _NDBM_H_
41 #define	_NDBM_H_
42 
43 #include <sys/types.h>	/* For mode_t. */
44 /* #include <db.h> */
45 
46 /*
47  * The above header-file is directly included in `newlib/libc/search/ndbm.c`
48  * as `db.h` is present in form of `db_local.h`, inside `newlib/libc/search`
49  * directory and not in `newlib/libc/include`.
50  * Necessary data-types are mentioned in form of forward-declarations
51  */
52 
53 /* Map dbm interface onto db(3). */
54 #define DBM_RDONLY	O_RDONLY
55 
56 /* Flags to dbm_store(). */
57 #define DBM_INSERT      0
58 #define DBM_REPLACE     1
59 
60 /*
61  * The db(3) support for ndbm always appends this suffix to the
62  * file name to avoid overwriting the user's original database.
63  */
64 #define	DBM_SUFFIX	".db"
65 
66 typedef struct {
67 	void *dptr;
68 	int dsize;	/* XXX Should be size_t according to 1003.1-2008. */
69 } datum;
70 
71 struct __db;      /* Forward-declaration */
72 typedef struct __db DB;   /* Forward-declaration */
73 typedef DB DBM;
74 #define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
75 
76 __BEGIN_DECLS
77 int	 dbm_clearerr(DBM *);
78 void	 dbm_close(DBM *);
79 int	 dbm_delete(DBM *, datum);
80 int	 dbm_error(DBM *);
81 datum	 dbm_fetch(DBM *, datum);
82 datum	 dbm_firstkey(DBM *);
83 datum	 dbm_nextkey(DBM *);
84 DBM	*dbm_open(const char *, int, mode_t);
85 int	 dbm_store(DBM *, datum, datum, int);
86 #if __BSD_VISIBLE
87 int	 dbm_dirfno(DBM *);
88 #endif
89 __END_DECLS
90 
91 #endif /* !_NDBM_H_ */
92