ndbm.h revision 203964
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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)ndbm.h 8.1 (Berkeley) 6/2/93 33 * $FreeBSD: head/include/ndbm.h 203964 2010-02-16 19:39:50Z imp $ 34 */ 35 36#ifndef _NDBM_H_ 37#define _NDBM_H_ 38 39#include <db.h> 40 41/* Map dbm interface onto db(3). */ 42#define DBM_RDONLY O_RDONLY 43 44/* Flags to dbm_store(). */ 45#define DBM_INSERT 0 46#define DBM_REPLACE 1 47 48/* 49 * The db(3) support for ndbm always appends this suffix to the 50 * file name to avoid overwriting the user's original database. 51 */ 52#define DBM_SUFFIX ".db" 53 54typedef struct { 55 char *dptr; 56 int dsize; 57} datum; 58 59typedef DB DBM; 60#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE 61 62__BEGIN_DECLS 63int dbm_clearerr(DBM *); 64void dbm_close(DBM *); 65int dbm_delete(DBM *, datum); 66int dbm_error(DBM *); 67datum dbm_fetch(DBM *, datum); 68datum dbm_firstkey(DBM *); 69#if __BSD_VISIBLE 70long dbm_forder(DBM *, datum); 71#endif 72datum dbm_nextkey(DBM *); 73DBM *dbm_open(const char *, int, int); 74int dbm_store(DBM *, datum, datum, int); 75#if __BSD_VISIBLE 76int dbm_dirfno(DBM *); 77#endif 78__END_DECLS 79 80#endif /* !_NDBM_H_ */ 81