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/* 
   Unix SMB/CIFS implementation.
   tdb utility functions
   Copyright (C) Andrew Tridgell 1999
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __TDBUTIL_H__
#define __TDBUTIL_H__

#include <tdb.h>

#include <talloc.h> /* for tdb_wrap_open() */
#include "../libcli/util/ntstatus.h" /* for map_nt_error_from_tdb() */
#include "../../lib/util/util_tdb.h"

/*
 * The tdb_unpack() and tdb_pack[_append]() helpers are deprecated. Consider
 * using idl/ndr for marshalling of complex data types instead.
 */
int tdb_unpack(const uint8_t *buf, int bufsize, const char *fmt, ...);
size_t tdb_pack(uint8_t *buf, int bufsize, const char *fmt, ...);

struct tdb_context *tdb_open_log(const char *name, int hash_size,
				 int tdb_flags, int open_flags, mode_t mode);

NTSTATUS map_nt_error_from_tdb(enum TDB_ERROR err);

int tdb_data_cmp(TDB_DATA t1, TDB_DATA t2);

char *tdb_data_string(TALLOC_CTX *mem_ctx, TDB_DATA d);
char *tdb_data_dbg(TDB_DATA d);

/****************************************************************************
 Lock a chain, with timeout.
****************************************************************************/
int tdb_chainlock_with_timeout( struct tdb_context *tdb, TDB_DATA key,
				unsigned int timeout);

/****************************************************************************
 Lock a chain by string, with timeout Return non-zero if lock failed.
****************************************************************************/
int tdb_lock_bystring_with_timeout(struct tdb_context *tdb, const char *keyval,
				   int timeout);

/****************************************************************************
 Readlock a chain by string, with timeout Return non-zero if lock failed.
****************************************************************************/
int tdb_read_lock_bystring_with_timeout(TDB_CONTEXT *tdb, const char *keyval,
					unsigned int timeout);


#endif /* __TDBUTIL_H__ */