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/* $OpenLDAP: pkg/ldap/include/ldbm.h,v 1.17.8.8 2002/01/04 20:38:16 kurt Exp $ */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, Redwood City, California, USA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License. A copy of this license is available at
* http://www.OpenLDAP.org/license.html or in file LICENSE in the
* top-level directory of the distribution.
*/
/* ldbm.h - ldap dbm compatibility routine header file */
#ifndef _LDBM_H_
#define _LDBM_H_
#include <ldap_cdefs.h>
/* dummy DB_ENV for non Berkeley DB */
#if !defined( LDBM_USE_DBBTREE ) && !defined( LDBM_USE_DBHASH )
# define DB_ENV void
#endif
#if defined( LDBM_USE_DBBTREE ) || defined( LDBM_USE_DBHASH )
/*****************************************************************
* *
* use berkeley db btree or hash package *
* *
*****************************************************************/
#include <sys/types.h>
#include <limits.h>
#include <fcntl.h>
#ifdef HAVE_DB_185_H
# include <db_185.h>
#else
# ifdef HAVE_DB1_DB_H
# include <db1/db.h>
# else
# include <db.h>
# endif
#endif
#ifndef DB_VERSION_MAJOR
# define DB_VERSION_MAJOR 1
#endif
#ifndef DB_VERSION_MINOR
# define DB_VERSION_MINOR 85
#endif
#if DB_VERSION_MAJOR >= 2
# define R_NOOVERWRITE DB_NOOVERWRITE
# ifndef DEFAULT_DB_PAGE_SIZE
# define DEFAULT_DB_PAGE_SIZE 4096
# endif
#else
# define DB_ENV void
#endif
LDAP_BEGIN_DECL
typedef DBT Datum;
#define dsize size
#define dptr data
typedef DB *LDBM;
/* for ldbm_open */
#if DB_VERSION_MAJOR >= 2
typedef DBC LDBMCursor;
# define LDBM_READER DB_RDONLY
# define LDBM_WRITER 0x00000 /* hopefully */
# if defined( HAVE_BERKELEY_DB_THREAD )
# define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE|DB_THREAD)
# define LDBM_NEWDB (DB_TRUNCATE|DB_CREATE|DB_THREAD)
# else
# define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE)
# define LDBM_NEWDB (DB_TRUNCATE|DB_CREATE)
# endif
#else
typedef void LDBMCursor;
# define LDBM_READER O_RDONLY
# define LDBM_WRITER O_RDWR
# define LDBM_WRCREAT (O_RDWR|O_CREAT)
# define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
#endif
LDAP_END_DECL
/* for ldbm_open */
#define LDBM_NOSYNC 0
#define LDBM_SYNC 0
#define LDBM_LOCKING 0
#define LDBM_NOLOCKING 0
/* for ldbm_insert */
#define LDBM_INSERT R_NOOVERWRITE
#define LDBM_REPLACE 0
#ifdef LDBM_USE_DBBTREE
# define LDBM_ORDERED 1
# define LDBM_SUFFIX ".dbb"
# define DB_TYPE DB_BTREE
#else
# define LDBM_SUFFIX ".dbh"
# define DB_TYPE DB_HASH
#endif
#elif defined( HAVE_GDBM )
/*****************************************************************
* *
* use gdbm if possible *
* *
*****************************************************************/
#include <gdbm.h>
LDAP_BEGIN_DECL
typedef datum Datum;
typedef Datum LDBMCursor;
typedef GDBM_FILE LDBM;
extern gdbm_error gdbm_errno;
LDAP_END_DECL
/* for ldbm_open */
#define LDBM_READER GDBM_READER
#define LDBM_WRITER GDBM_WRITER
#define LDBM_WRCREAT GDBM_WRCREAT
#define LDBM_NEWDB GDBM_NEWDB
#ifdef GDBM_FAST
#define LDBM_NOSYNC GDBM_FAST
#else
#define LDBM_NOSYNC 0
#endif
#ifdef GDBM_SYNC
#define LDBM_SYNC GDBM_SYNC
#else
#define LDBM_SYNC 0
#endif
#define LDBM_LOCKING 0
#ifdef GDBM_NOLOCK
#define LDBM_NOLOCKING GDBM_NOLOCK
#else
#define LDBM_NOLOCKING 0
#endif
#define LDBM_SUFFIX ".gdbm"
/* for ldbm_insert */
#define LDBM_INSERT GDBM_INSERT
#define LDBM_REPLACE GDBM_REPLACE
#elif defined( HAVE_MDBM )
/*****************************************************************
* *
* use mdbm if possible *
* *
*****************************************************************/
#include <mdbm.h>
LDAP_BEGIN_DECL
typedef datum Datum;
typedef int LDBMCursor;
typedef MDBM *LDBM;
LDAP_END_DECL
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
/* for ldbm_open */
#define LDBM_READER O_RDONLY
#define LDBM_WRITER O_RDWR
#define LDBM_WRCREAT (O_RDWR|O_CREAT)
#define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
#define LDBM_SYNC 0
#define LDBM_NOSYNC 0
#define LDBM_LOCKING 0
#define LDBM_NOLOCKING 0
#define LDBM_SUFFIX ".mdbm"
/* for ldbm_insert */
#define LDBM_INSERT MDBM_INSERT
#define LDBM_REPLACE MDBM_REPLACE
#elif defined( HAVE_NDBM )
/*****************************************************************
* *
* if none of the above use ndbm, the standard unix thing *
* *
*****************************************************************/
#include <ndbm.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
LDAP_BEGIN_DECL
typedef datum Datum;
typedef int LDBMCursor;
typedef DBM *LDBM;
LDAP_END_DECL
/* for ldbm_open */
#define LDBM_READER O_RDONLY
#define LDBM_WRITER O_WRONLY
#define LDBM_WRCREAT (O_RDWR|O_CREAT)
#define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
#define LDBM_NOSYNC 0
#define LDBM_SYNC 0
#define LDBM_NOLOCK 0
#define LDBM_SYNC 0
#define LDBM_SUFFIX ".ndbm"
/* for ldbm_insert */
#define LDBM_INSERT DBM_INSERT
#define LDBM_REPLACE DBM_REPLACE
#endif
LDAP_BEGIN_DECL
LDAP_LDBM_F (int) ldbm_initialize( const char * );
LDAP_LDBM_F (int) ldbm_shutdown( void );
LDAP_LDBM_F (DB_ENV*) ldbm_initialize_env(const char *, int dbcachesize, int *envdirok);
LDAP_LDBM_F (void) ldbm_shutdown_env(DB_ENV *);
LDAP_LDBM_F (int) ldbm_errno( LDBM ldbm );
LDAP_LDBM_F (LDBM) ldbm_open( DB_ENV *env, char *name, int rw, int mode, int dbcachesize );
LDAP_LDBM_F (void) ldbm_close( LDBM ldbm );
LDAP_LDBM_F (void) ldbm_sync( LDBM ldbm );
LDAP_LDBM_F (void) ldbm_datum_free( LDBM ldbm, Datum data );
LDAP_LDBM_F (Datum) ldbm_datum_dup( LDBM ldbm, Datum data );
LDAP_LDBM_F (Datum) ldbm_fetch( LDBM ldbm, Datum key );
LDAP_LDBM_F (int) ldbm_store( LDBM ldbm, Datum key, Datum data, int flags );
LDAP_LDBM_F (int) ldbm_delete( LDBM ldbm, Datum key );
LDAP_LDBM_F (Datum) ldbm_firstkey( LDBM ldbm, LDBMCursor **cursor );
LDAP_LDBM_F (Datum) ldbm_nextkey( LDBM ldbm, Datum key, LDBMCursor *cursor );
/* initialization of Datum structures */
#if defined( HAVE_BERKELEY_DB ) && (DB_VERSION_MAJOR >= 2)
LDAP_LDBM_F (void *) ldbm_malloc( size_t size );
# define ldbm_datum_init(d) ((void)memset(&(d), '\0', sizeof(Datum)))
#else
# define ldbm_datum_init(d) ((void)0)
#endif /* HAVE_BERKELEY_DB */
LDAP_END_DECL
#endif /* _ldbm_h_ */
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