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60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
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/* init.c - initialize mdb backend */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 2000-2011 The OpenLDAP Foundation.
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* All rights reserved.
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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 only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "back-mdb.h"
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int mdb_next_id( BackendDB *be, MDB_txn *tid, ID *out )
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{
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struct mdb_info *mdb = (struct mdb_info *) be->be_private;
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int rc;
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ID id = 0;
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MDB_val key;
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MDB_cursor *cursor;
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/* Get a read cursor */
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rc = mdb_cursor_open( tid, mdb->mi_id2entry, &cursor );
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if (rc == 0) {
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rc = mdb_cursor_get(cursor, &key, NULL, MDB_LAST);
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mdb_cursor_close(cursor);
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}
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switch(rc) {
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case MDB_NOTFOUND:
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rc = 0;
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*out = 1;
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break;
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case 0:
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memcpy( &id, key.mv_data, sizeof( id ));
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*out = ++id;
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break;
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default:
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Debug( LDAP_DEBUG_ANY,
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"=> mdb_next_id: get failed: %s (%d)\n",
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mdb_strerror(rc), rc, 0 );
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goto done;
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}
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done:
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return rc;
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}
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