ndbm.h revision 14352
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. 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. 23 * 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. 35 * 36 * @(#)ndbm.h 8.1 (Berkeley) 6/2/93 37 */ 38 39#ifndef _NDBM_H_ 40#define _NDBM_H_ 41 42#include <db.h> 43 44/* Map dbm interface onto db(3). */ 45#define DBM_RDONLY O_RDONLY 46 47/* Flags to dbm_store(). */ 48#define DBM_INSERT 0 49#define DBM_REPLACE 1 50 51/* 52 * The db(3) support for ndbm always appends this suffix to the 53 * file name to avoid overwriting the user's original database. 54 */ 55#define DBM_SUFFIX ".db" 56 57typedef struct { 58 char *dptr; 59 int dsize; 60} datum; 61 62typedef DB DBM; 63#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE 64 65__BEGIN_DECLS 66void dbm_close __P((DBM *)); 67int dbm_delete __P((DBM *, datum)); 68datum dbm_fetch __P((DBM *, datum)); 69datum dbm_firstkey __P((DBM *)); 70long dbm_forder __P((DBM *, datum)); 71datum dbm_nextkey __P((DBM *)); 72DBM *dbm_open __P((const char *, int, int)); 73int dbm_store __P((DBM *, datum, datum, int)); 74int dbm_dirfno __P((DBM *)); 75__END_DECLS 76 77#endif /* !_NDBM_H_ */ 78