1/*
  2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  3 *
  4 * @APPLE_LICENSE_HEADER_START@
  5 * 
  6 * This file contains Original Code and/or Modifications of Original Code
  7 * as defined in and that are subject to the Apple Public Source License
  8 * Version 2.0 (the 'License'). You may not use this file except in
  9 * compliance with the License. Please obtain a copy of the License at
 10 * http://www.opensource.apple.com/apsl/ and read it before using this
 11 * file.
 12 * 
 13 * The Original Code and all software distributed under the License are
 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 18 * Please see the License for the specific language governing rights and
 19 * limitations under the License.
 20 * 
 21 * @APPLE_LICENSE_HEADER_END@
 22 */
 23/*-
 24 * Copyright (c) 1990, 1993
 25 *	The Regents of the University of California.  All rights reserved.
 26 *
 27 * This code is derived from software contributed to Berkeley by
 28 * Margo Seltzer.
 29 *
 30 * Redistribution and use in source and binary forms, with or without
 31 * modification, are permitted provided that the following conditions
 32 * are met:
 33 * 1. Redistributions of source code must retain the above copyright
 34 *    notice, this list of conditions and the following disclaimer.
 35 * 2. Redistributions in binary form must reproduce the above copyright
 36 *    notice, this list of conditions and the following disclaimer in the
 37 *    documentation and/or other materials provided with the distribution.
 38 * 3. All advertising materials mentioning features or use of this software
 39 *    must display the following acknowledgement:
 40 *	This product includes software developed by the University of
 41 *	California, Berkeley and its contributors.
 42 * 4. Neither the name of the University nor the names of its contributors
 43 *    may be used to endorse or promote products derived from this software
 44 *    without specific prior written permission.
 45 *
 46 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 49 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 56 * SUCH DAMAGE.
 57 *
 58 *	@(#)ndbm.h	8.1 (Berkeley) 6/2/93
 59 */
 60
 61#ifndef _NDBM_H_
 62#define	_NDBM_H_
 63
 64#include <_bounds.h>
 65#include <_types.h>
 66#include <sys/_types/_mode_t.h>
 67#include <sys/_types/_size_t.h>
 68
 69_LIBC_SINGLE_BY_DEFAULT()
 70
 71#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
 72/* Map dbm interface onto db(3). */
 73#include <fcntl.h>
 74#define DBM_RDONLY	O_RDONLY
 75#endif
 76
 77/* Flags to dbm_store(). */
 78#define DBM_INSERT      0
 79#define DBM_REPLACE     1
 80
 81#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
 82/*
 83 * The db(3) support for ndbm(3) always appends this suffix to the
 84 * file name to avoid overwriting the user's original database.
 85 */
 86#define	DBM_SUFFIX	".db"
 87#endif
 88
 89typedef struct {
 90	void *_LIBC_SIZE(dsize) dptr;
 91	size_t dsize;
 92} datum;
 93
 94#ifndef _DBM
 95#define _DBM
 96typedef struct {
 97    char __opaque[sizeof(int) + 8 * sizeof(void *)];
 98} DBM;
 99#endif /* _DBM */
100
101#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
102#define	dbm_pagfno(a)	DBM_PAGFNO_NOT_AVAILABLE
103#endif
104
105__BEGIN_DECLS
106int	 dbm_clearerr( DBM *);
107void	 dbm_close(DBM *);
108int	 dbm_delete(DBM *, datum);
109#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
110int	 dbm_dirfno(DBM *);
111#endif
112int	 dbm_error( DBM *);
113datum	 dbm_fetch(DBM *, datum);
114datum	 dbm_firstkey(DBM *);
115#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
116long	 dbm_forder(DBM *, datum);
117#endif
118datum	 dbm_nextkey(DBM *);
119DBM	*dbm_open(const char *, int, mode_t);
120int	 dbm_store(DBM *, datum, datum, int);
121__END_DECLS
122
123#endif /* !_NDBM_H_ */