+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms 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_
-#ifdef LDBM_USE_GDBM
+#include <ldap_cdefs.h>
+
+#if defined( LDBM_USE_DBBTREE ) || defined( LDBM_USE_DBHASH )
/*****************************************************************
* *
- * use gdbm if possible *
+ * use berkeley db btree or hash package *
* *
*****************************************************************/
+#include <sys/types.h>
+#include <limits.h>
+#include <fcntl.h>
-#include <gdbm.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
-typedef datum Datum;
+#ifndef DB_VERSION_MAJOR
+# define DB_VERSION_MAJOR 1
+#endif
+#ifndef DB_VERSION_MINOR
+# define DB_VERSION_MINOR 85
+#endif
-typedef GDBM_FILE LDBM;
+#if DB_VERSION_MAJOR >= 2
+# define R_NOOVERWRITE DB_NOOVERWRITE
+# ifndef DEFAULT_DB_PAGE_SIZE
+# define DEFAULT_DB_PAGE_SIZE 4096
+# endif
+#endif
+
+
+LDAP_BEGIN_DECL
+
+typedef DBT Datum;
+#define dsize size
+#define dptr data
+
+typedef DB *LDBM;
-extern gdbm_error gdbm_errno;
/* for ldbm_open */
-#define LDBM_READER GDBM_READER
-#define LDBM_WRITER GDBM_WRITER
-#define LDBM_WRCREAT GDBM_WRCREAT
-#define LDBM_NEWDB GDBM_NEWDB
-#define LDBM_FAST GDBM_FAST
+#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
-#define LDBM_SUFFIX ".gdbm"
+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 GDBM_INSERT
-#define LDBM_REPLACE GDBM_REPLACE
-#define LDBM_SYNC 0x80000000
+#define LDBM_INSERT R_NOOVERWRITE
+#define LDBM_REPLACE 0
-#else /* end of gdbm */
+#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
-#ifdef LDBM_USE_DBHASH
+#elif defined( HAVE_GDBM )
/*****************************************************************
* *
- * use berkeley db hash package *
+ * use gdbm if possible *
* *
*****************************************************************/
-#include <sys/types.h>
-#include <limits.h>
-#include <fcntl.h>
-#include <db.h>
+#include <gdbm.h>
-typedef DBT Datum;
-#define dsize size
-#define dptr data
+LDAP_BEGIN_DECL
-typedef DB *LDBM;
+typedef datum Datum;
+typedef Datum LDBMCursor;
+typedef GDBM_FILE LDBM;
+
+extern gdbm_error gdbm_errno;
-#define DB_TYPE DB_HASH
+LDAP_END_DECL
/* 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_FAST 0
+#define LDBM_READER GDBM_READER
+#define LDBM_WRITER GDBM_WRITER
+#define LDBM_WRCREAT GDBM_WRCREAT
+#define LDBM_NEWDB GDBM_NEWDB
-#define LDBM_SUFFIX ".dbh"
+#ifdef GDBM_FAST
+#define LDBM_NOSYNC GDBM_FAST
+#else
+#define LDBM_NOSYNC 0
+#endif
-/* for ldbm_insert */
-#define LDBM_INSERT R_NOOVERWRITE
-#define LDBM_REPLACE 0
-#define LDBM_SYNC 0x80000000
+#ifdef GDBM_SYNC
+#define LDBM_SYNC GDBM_SYNC
+#else
+#define LDBM_SYNC 0
+#endif
-extern int errno;
+#define LDBM_LOCKING 0
+#ifdef GDBM_NOLOCK
+#define LDBM_NOLOCKING GDBM_NOLOCK
+#else
+#define LDBM_NOLOCKING 0
+#endif
-#else /* end of db hash */
+#define LDBM_SUFFIX ".gdbm"
-#ifdef LDBM_USE_DBBTREE
+/* for ldbm_insert */
+#define LDBM_INSERT GDBM_INSERT
+#define LDBM_REPLACE GDBM_REPLACE
+
+#elif defined( HAVE_MDBM )
/*****************************************************************
* *
- * use berkeley db btree package *
+ * use mdbm if possible *
* *
*****************************************************************/
-#include <sys/types.h>
-#include <limits.h>
-#include <fcntl.h>
-#include <db.h>
+#include <mdbm.h>
-typedef DBT Datum;
-#define dsize size
-#define dptr data
+LDAP_BEGIN_DECL
-typedef DB *LDBM;
+typedef datum Datum;
+typedef int LDBMCursor;
+typedef MDBM *LDBM;
-#define DB_TYPE DB_BTREE
+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_FAST 0
-
-#define LDBM_SUFFIX ".dbb"
-#define LDBM_ORDERED 1
-/* for ldbm_insert */
-#define LDBM_INSERT R_NOOVERWRITE
-#define LDBM_REPLACE 0
-#define LDBM_SYNC 0x80000000
+#define LDBM_SYNC 0
+#define LDBM_NOSYNC 0
+#define LDBM_LOCKING 0
+#define LDBM_NOLOCKING 0
-extern int errno;
+#define LDBM_SUFFIX ".mdbm"
-#else /* end of db btree */
+/* for ldbm_insert */
+#define LDBM_INSERT MDBM_INSERT
+#define LDBM_REPLACE MDBM_REPLACE
-#ifdef LDBM_USE_NDBM
+#elif defined( HAVE_NDBM )
/*****************************************************************
* *
*****************************************************************/
#include <ndbm.h>
-#ifndef O_RDONLY
+
+#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
-typedef datum Datum;
+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_FAST 0
+
+#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
-#define LDBM_SYNC 0
-#endif /* ndbm */
-#endif /* db hash */
-#endif /* db btree */
-#endif /* gdbm */
-
-LDBM ldbm_open( char *name, int rw, int mode, int dbcachesize );
-void ldbm_close( LDBM ldbm );
-void ldbm_sync( LDBM ldbm );
-void ldbm_datum_free( LDBM ldbm, Datum data );
-Datum ldbm_datum_dup( LDBM ldbm, Datum data );
-Datum ldbm_fetch( LDBM ldbm, Datum key );
-int ldbm_store( LDBM ldbm, Datum key, Datum data, int flags );
-int ldbm_delete( LDBM ldbm, Datum key );
-Datum ldbm_firstkey( LDBM ldbm );
-Datum ldbm_nextkey( LDBM ldbm, Datum key );
-int ldbm_errno( LDBM ldbm );
+#endif
+
+LDAP_BEGIN_DECL
+
+LDAP_LDBM_F (int) ldbm_initialize( void );
+LDAP_LDBM_F (int) ldbm_shutdown( void );
+
+LDAP_LDBM_F (int) ldbm_errno( LDBM ldbm );
+LDAP_LDBM_F (LDBM) ldbm_open( 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_ */
projects / openldap / blobdiff