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61 lines
2 KiB
C
61 lines
2 KiB
C
#ifndef foopulsecoredatabasehfoo
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#define foopulsecoredatabasehfoo
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/***
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This file is part of PulseAudio.
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Copyright 2009 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#include <sys/types.h>
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#include <pulsecore/macro.h>
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/* A little abstraction over simple databases, such as gdbm, tdb, and
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* so on. We only make minimal assumptions about the supported
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* backend: it does not need to support locking, it does not have to
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* be arch independant. */
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typedef struct pa_database pa_database;
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typedef struct pa_datum {
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void *data;
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size_t size;
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} pa_datum;
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void pa_datum_free(pa_datum *d);
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/* This will append a suffix to the filename */
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pa_database* pa_database_open(const char *fn, pa_bool_t for_write);
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void pa_database_close(pa_database *db);
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pa_datum* pa_database_get(pa_database *db, const pa_datum *key, pa_datum* data);
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int pa_database_set(pa_database *db, const pa_datum *key, const pa_datum* data, pa_bool_t overwrite);
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int pa_database_unset(pa_database *db, const pa_datum *key);
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int pa_database_clear(pa_database *db);
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signed pa_database_size(pa_database *db);
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pa_datum* pa_database_first(pa_database *db, pa_datum *key, pa_datum *data /* may be NULL */);
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pa_datum* pa_database_next(pa_database *db, const pa_datum *key, pa_datum *next, pa_datum *data /* may be NULL */);
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int pa_database_sync(pa_database *db);
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#endif
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