newlib-cygwin/newlib/libc/include/ndbm.h

92 lines
3.1 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Margo Seltzer.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ndbm.h 8.1 (Berkeley) 6/2/93
* $FreeBSD$ : src/include/ndbm.h
* Nov 20 19:45:28 2017 UTC by pfg
* SVN Revision 326024
*/
#ifndef _NDBM_H_
#define _NDBM_H_
#include <sys/types.h> /* For mode_t. */
/* #include <db.h> */
/*
* The above header-file is directly included in `newlib/libc/search/ndbm.c`
* as `db.h` is present in form of `db_local.h`, inside `newlib/libc/search`
* directory and not in `newlib/libc/include`.
* Necessary data-types are mentioned in form of forward-declarations
*/
/* Map dbm interface onto db(3). */
#define DBM_RDONLY O_RDONLY
/* Flags to dbm_store(). */
#define DBM_INSERT 0
#define DBM_REPLACE 1
/*
* The db(3) support for ndbm always appends this suffix to the
* file name to avoid overwriting the user's original database.
*/
#define DBM_SUFFIX ".db"
typedef struct {
void *dptr;
int dsize; /* XXX Should be size_t according to 1003.1-2008. */
} datum;
struct __db; /* Forward-declaration */
typedef struct __db DB; /* Forward-declaration */
typedef DB DBM;
#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE
__BEGIN_DECLS
int dbm_clearerr(DBM *);
void dbm_close(DBM *);
int dbm_delete(DBM *, datum);
int dbm_error(DBM *);
datum dbm_fetch(DBM *, datum);
datum dbm_firstkey(DBM *);
datum dbm_nextkey(DBM *);
DBM *dbm_open(const char *, int, mode_t);
int dbm_store(DBM *, datum, datum, int);
#if __BSD_VISIBLE
int dbm_dirfno(DBM *);
#endif
__END_DECLS
#endif /* !_NDBM_H_ */