mirror of
https://git.openldap.org/openldap/openldap.git
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9ef1a740c2
macros into our namespace and limit use to headers. A subsequent round will add macros to separately handle forward declarations of variables from declaration of function prototypes. The last round will add additional macros for declaring actual variables and functions.
266 lines
6.3 KiB
C
266 lines
6.3 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted only
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* as authorized by the OpenLDAP Public License. A copy of this
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* license is available at http://www.OpenLDAP.org/license.html or
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* in file LICENSE in the top-level directory of the distribution.
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*/
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/* ldbm.h - ldap dbm compatibility routine header file */
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#ifndef _LDBM_H_
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#define _LDBM_H_
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#include <ldap_cdefs.h>
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#if defined( LDBM_USE_DBBTREE ) || defined( LDBM_USE_DBHASH )
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/*****************************************************************
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* *
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* use berkeley db btree or hash package *
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* *
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*****************************************************************/
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#include <sys/types.h>
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#include <limits.h>
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#include <fcntl.h>
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#ifdef HAVE_DB_185_H
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# include <db_185.h>
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#else
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# ifdef HAVE_DB1_DB_H
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# include <db1/db.h>
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# else
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# include <db.h>
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# endif
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#endif
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#ifndef DB_VERSION_MAJOR
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# define DB_VERSION_MAJOR 1
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#endif
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#ifndef DB_VERSION_MINOR
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# define DB_VERSION_MINOR 85
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#endif
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#if DB_VERSION_MAJOR >= 2
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# define R_NOOVERWRITE DB_NOOVERWRITE
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# ifndef DEFAULT_DB_PAGE_SIZE
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# define DEFAULT_DB_PAGE_SIZE 4096
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# endif
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#endif
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LDAP_BEGIN_DECL
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typedef DBT Datum;
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#define dsize size
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#define dptr data
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typedef DB *LDBM;
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/* for ldbm_open */
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#if DB_VERSION_MAJOR >= 2
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typedef DBC LDBMCursor;
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# define LDBM_READER DB_RDONLY
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# define LDBM_WRITER 0x00000 /* hopefully */
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# if defined( HAVE_BERKELEY_DB_THREAD )
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# define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE|DB_THREAD)
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# define LDBM_NEWDB (DB_TRUNCATE|DB_CREATE|DB_THREAD)
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# else
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# define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE)
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# define LDBM_NEWDB (DB_TRUNCATE|DB_CREATE)
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# endif
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#else
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typedef void LDBMCursor;
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# define LDBM_READER O_RDONLY
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# define LDBM_WRITER O_RDWR
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# define LDBM_WRCREAT (O_RDWR|O_CREAT)
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# define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
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#endif
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LDAP_END_DECL
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/* for ldbm_open */
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#define LDBM_NOSYNC 0
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#define LDBM_SYNC 0
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#define LDBM_LOCKING 0
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#define LDBM_NOLOCKING 0
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/* for ldbm_insert */
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#define LDBM_INSERT R_NOOVERWRITE
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#define LDBM_REPLACE 0
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#ifdef LDBM_USE_DBBTREE
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# define LDBM_ORDERED 1
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# define LDBM_SUFFIX ".dbb"
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# define DB_TYPE DB_BTREE
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#else
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# define LDBM_SUFFIX ".dbh"
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# define DB_TYPE DB_HASH
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#endif
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#elif defined( HAVE_GDBM )
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/*****************************************************************
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* *
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* use gdbm if possible *
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* *
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*****************************************************************/
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#include <gdbm.h>
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LDAP_BEGIN_DECL
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typedef datum Datum;
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typedef Datum LDBMCursor;
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typedef GDBM_FILE LDBM;
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extern gdbm_error gdbm_errno;
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LDAP_END_DECL
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/* for ldbm_open */
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#define LDBM_READER GDBM_READER
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#define LDBM_WRITER GDBM_WRITER
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#define LDBM_WRCREAT GDBM_WRCREAT
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#define LDBM_NEWDB GDBM_NEWDB
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#ifdef GDBM_FAST
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#define LDBM_NOSYNC GDBM_FAST
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#else
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#define LDBM_NOSYNC 0
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#endif
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#ifdef GDBM_SYNC
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#define LDBM_SYNC GDBM_SYNC
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#else
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#define LDBM_SYNC 0
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#endif
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#define LDBM_LOCKING 0
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#ifdef GDBM_NOLOCK
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#define LDBM_NOLOCKING GDBM_NOLOCK
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#else
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#define LDBM_NOLOCKING 0
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#endif
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#define LDBM_SUFFIX ".gdbm"
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/* for ldbm_insert */
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#define LDBM_INSERT GDBM_INSERT
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#define LDBM_REPLACE GDBM_REPLACE
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#elif defined( HAVE_MDBM )
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/*****************************************************************
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* *
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* use mdbm if possible *
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* *
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*****************************************************************/
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#include <mdbm.h>
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LDAP_BEGIN_DECL
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typedef datum Datum;
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typedef int LDBMCursor;
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typedef MDBM *LDBM;
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LDAP_END_DECL
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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/* for ldbm_open */
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#define LDBM_READER O_RDONLY
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#define LDBM_WRITER O_RDWR
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#define LDBM_WRCREAT (O_RDWR|O_CREAT)
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#define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
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#define LDBM_SYNC 0
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#define LDBM_NOSYNC 0
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#define LDBM_LOCKING 0
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#define LDBM_NOLOCKING 0
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#define LDBM_SUFFIX ".mdbm"
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/* for ldbm_insert */
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#define LDBM_INSERT MDBM_INSERT
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#define LDBM_REPLACE MDBM_REPLACE
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#elif defined( HAVE_NDBM )
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/*****************************************************************
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* *
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* if none of the above use ndbm, the standard unix thing *
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* *
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*****************************************************************/
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#include <ndbm.h>
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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LDAP_BEGIN_DECL
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typedef datum Datum;
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typedef int LDBMCursor;
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typedef DBM *LDBM;
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LDAP_END_DECL
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/* for ldbm_open */
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#define LDBM_READER O_RDONLY
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#define LDBM_WRITER O_WRONLY
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#define LDBM_WRCREAT (O_RDWR|O_CREAT)
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#define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
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#define LDBM_NOSYNC 0
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#define LDBM_SYNC 0
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#define LDBM_NOLOCK 0
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#define LDBM_SYNC 0
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#define LDBM_SUFFIX ".ndbm"
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/* for ldbm_insert */
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#define LDBM_INSERT DBM_INSERT
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#define LDBM_REPLACE DBM_REPLACE
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#endif
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LDAP_BEGIN_DECL
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LDAP_LDBM_F (int) ldbm_initialize( void );
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LDAP_LDBM_F (int) ldbm_shutdown( void );
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LDAP_LDBM_F (int) ldbm_errno( LDBM ldbm );
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LDAP_LDBM_F (LDBM) ldbm_open( char *name, int rw, int mode, int dbcachesize );
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LDAP_LDBM_F (void) ldbm_close( LDBM ldbm );
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LDAP_LDBM_F (void) ldbm_sync( LDBM ldbm );
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LDAP_LDBM_F (void) ldbm_datum_free( LDBM ldbm, Datum data );
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LDAP_LDBM_F (Datum) ldbm_datum_dup( LDBM ldbm, Datum data );
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LDAP_LDBM_F (Datum) ldbm_fetch( LDBM ldbm, Datum key );
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LDAP_LDBM_F (int) ldbm_store( LDBM ldbm, Datum key, Datum data, int flags );
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LDAP_LDBM_F (int) ldbm_delete( LDBM ldbm, Datum key );
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LDAP_LDBM_F (Datum) ldbm_firstkey( LDBM ldbm, LDBMCursor **cursor );
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LDAP_LDBM_F (Datum) ldbm_nextkey( LDBM ldbm, Datum key, LDBMCursor *cursor );
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/* initialization of Datum structures */
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#if defined( HAVE_BERKELEY_DB ) && (DB_VERSION_MAJOR >= 2)
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LDAP_LDBM_F (void *) ldbm_malloc( size_t size );
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# define ldbm_datum_init(d) ((void)memset(&(d), '\0', sizeof(Datum)))
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#else
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# define ldbm_datum_init(d) ((void)0)
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#endif /* HAVE_BERKELEY_DB */
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LDAP_END_DECL
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#endif /* _ldbm_h_ */
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