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/* SPDX-License-Identifier: LGPL-2.1+ */
#ifndef foosdhwdbhfoo
#define foosdhwdbhfoo
/***
This file is part of systemd.
Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
Copyright 2014 Tom Gundersen <teg@jklm.no>
systemd 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 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "_sd-common.h"
_SD_BEGIN_DECLARATIONS;
typedef struct sd_hwdb sd_hwdb;
sd_hwdb *sd_hwdb_ref(sd_hwdb *hwdb);
sd_hwdb *sd_hwdb_unref(sd_hwdb *hwdb);
int sd_hwdb_new(sd_hwdb **ret);
int sd_hwdb_get(sd_hwdb *hwdb, const char *modalias, const char *key, const char **value);
int sd_hwdb_seek(sd_hwdb *hwdb, const char *modalias);
int sd_hwdb_enumerate(sd_hwdb *hwdb, const char **key, const char **value);
/* the inverse condition avoids ambiguity of dangling 'else' after the macro */
#define SD_HWDB_FOREACH_PROPERTY(hwdb, modalias, key, value) \
if (sd_hwdb_seek(hwdb, modalias) < 0) { } \
else while (sd_hwdb_enumerate(hwdb, &(key), &(value)) > 0)
_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_hwdb, sd_hwdb_unref);
_SD_END_DECLARATIONS;
#endif
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