2005-09-13 05:44:32 +04:00
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/* $NetBSD: ndbm.h,v 1.14 2005/09/13 01:44:32 christos Exp $ */
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1994-10-26 03:55:40 +03:00
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1993-03-21 12:45:37 +03:00
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/*-
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1993-06-15 03:51:26 +04:00
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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1993-03-21 12:45:37 +03:00
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*
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* This code is derived from software contributed to Berkeley by
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* Margo Seltzer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2003-08-07 13:44:09 +04:00
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* 3. Neither the name of the University nor the names of its contributors
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1993-03-21 12:45:37 +03:00
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1994-10-26 03:55:40 +03:00
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* @(#)ndbm.h 8.1 (Berkeley) 6/2/93
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1993-03-21 12:45:37 +03:00
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*/
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#ifndef _NDBM_H_
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#define _NDBM_H_
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2000-07-07 14:43:54 +04:00
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#include <sys/cdefs.h>
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1998-05-07 23:02:04 +04:00
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#include <sys/featuretest.h>
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1993-03-21 12:45:37 +03:00
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#include <db.h>
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Add a new feature-test macro, _NETBSD_SOURCE. If this is defined
by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
2003-04-29 03:16:11 +04:00
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#if defined(_NETBSD_SOURCE)
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1993-03-21 12:45:37 +03:00
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/* Map dbm interface onto db(3). */
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#define DBM_RDONLY O_RDONLY
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1998-05-07 23:02:04 +04:00
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#endif
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1993-03-21 12:45:37 +03:00
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/* Flags to dbm_store(). */
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#define DBM_INSERT 0
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#define DBM_REPLACE 1
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Add a new feature-test macro, _NETBSD_SOURCE. If this is defined
by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
2003-04-29 03:16:11 +04:00
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#if defined(_NETBSD_SOURCE)
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1993-03-21 12:45:37 +03:00
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/*
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* The db(3) support for ndbm(3) always appends this suffix to the
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* file name to avoid overwriting the user's original database.
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*/
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#define DBM_SUFFIX ".db"
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1998-05-07 23:02:04 +04:00
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#endif
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1993-03-21 12:45:37 +03:00
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typedef struct {
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2004-04-28 04:10:52 +04:00
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void *dptr;
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size_t dsize; /* XPG4.2 */
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1993-03-21 12:45:37 +03:00
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} datum;
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typedef DB DBM;
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Add a new feature-test macro, _NETBSD_SOURCE. If this is defined
by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
2003-04-29 03:16:11 +04:00
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#if defined(_NETBSD_SOURCE)
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1993-04-19 01:48:37 +04:00
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#define dbm_pagfno(a) DBM_PAGFNO_NOT_AVAILABLE
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1998-05-07 23:02:04 +04:00
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#endif
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1993-03-21 12:45:37 +03:00
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__BEGIN_DECLS
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2004-04-28 00:59:43 +04:00
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void dbm_close(DBM *);
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DBM *dbm_open(const char *, int, mode_t);
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int dbm_error(DBM *);
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int dbm_clearerr(DBM *);
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Add a new feature-test macro, _NETBSD_SOURCE. If this is defined
by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
2003-04-29 03:16:11 +04:00
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#if defined(_NETBSD_SOURCE)
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2004-04-28 00:59:43 +04:00
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int dbm_dirfno(DBM *);
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1998-05-07 23:02:04 +04:00
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#endif
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2005-09-13 05:44:32 +04:00
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#ifndef __LIBC12_SOURCE__
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2004-04-28 04:10:52 +04:00
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int dbm_delete(DBM *, datum) __RENAME(__dbm_delete13);
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datum dbm_fetch(DBM *, datum) __RENAME(__dbm_fetch13);
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datum dbm_firstkey(DBM *) __RENAME(__dbm_firstkey13);
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datum dbm_nextkey(DBM *) __RENAME(__dbm_nextkey13);
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int dbm_store(DBM *, datum, datum, int) __RENAME(__dbm_store13);
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#endif
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1993-03-21 12:45:37 +03:00
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__END_DECLS
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#endif /* !_NDBM_H_ */
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