Ticket #493: database.h

/***
  This file is part of PulseAudio.

  Copyright 2009 Lennart Poettering

  PulseAudio is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.

  PulseAudio 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 Lesser General Public
  License along with PulseAudio; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>

#include <pulsecore/macro.h>

typedef struct pa_database pa_database;

typedef struct pa_database_datum {
    void *data;
    size_t size;
} pa_database_datum;

pa_database* pa_database_open(const char *fname, pa_bool_t for_write, mode_t mode);
void pa_database_close(pa_database *db);

void pa_database_put(pa_database *db, const pa_database_datum *key, const pa_database_datum *data);
int pa_database_get(pa_database *db, const pa_database_datum *key, pa_database_datum *data);
int pa_database_remove(pa_database *db, const pa_database_datum *key);
int pa_database_first(pa_database *db, pa_database_datum *key);
int pa_database_next(pa_database *db, pa_database_datum *key);

void pa_database_sync(pa_database *db);
void pa_database_vacuum(pa_database *db);