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[glibc.git] / db / ndbm.h
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1 /*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Margo Seltzer.
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.
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.
36 * @(#)ndbm.h 8.1 (Berkeley) 6/2/93
39 #ifndef _NDBM_H
40 #define _NDBM_H 1
42 #include <db.h>
44 /* Map dbm interface onto db(3). */
45 #define DBM_RDONLY O_RDONLY
47 /* Flags to dbm_store(). */
48 #define DBM_INSERT 0
49 #define DBM_REPLACE 1
52 * The db(3) support for ndbm(3) always appends this suffix to the
53 * file name to avoid overwriting the user's original database.
55 #define DBM_SUFFIX ".db"
57 typedef struct {
58 char *dptr;
59 int dsize;
60 } datum;
62 typedef DB DBM;
63 #define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE
65 __BEGIN_DECLS
66 void dbm_close __P((DBM *));
67 int dbm_delete __P((DBM *, datum));
68 datum dbm_fetch __P((DBM *, datum));
69 datum dbm_firstkey __P((DBM *));
70 long dbm_forder __P((DBM *, datum));
71 datum dbm_nextkey __P((DBM *));
72 DBM *dbm_open __P((const char *, int, int));
73 int dbm_store __P((DBM *, datum, datum, int));
74 int dbm_dirfno __P((DBM *));
75 int dbm_error __P((DBM *));
76 int dbm_clearerr __P((DBM *));
77 __END_DECLS
79 #endif /* ndbm.h */