MPD
database.h
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1 /*
2  * Copyright (C) 2003-2010 The Music Player Daemon Project
3  * http://www.musicpd.org
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef MPD_DATABASE_H
21 #define MPD_DATABASE_H
22 
23 #include <glib.h>
24 
25 #include <sys/time.h>
26 #include <stdbool.h>
27 
28 struct directory;
29 
35 void
36 db_init(const char *path);
37 
38 void
39 db_finish(void);
40 
44 void
45 db_clear(void);
46 
51 struct directory *
52 db_get_root(void);
53 
54 struct directory *
55 db_get_directory(const char *name);
56 
57 struct song *
58 db_get_song(const char *file);
59 
60 int db_walk(const char *name,
61  int (*forEachSong)(struct song *, void *),
62  int (*forEachDir)(struct directory *, void *), void *data);
63 
64 bool
65 db_check(void);
66 
67 bool
68 db_save(void);
69 
70 bool
71 db_load(GError **error);
72 
73 time_t
74 db_get_mtime(void);
75 
79 static inline bool
80 db_exists(void)
81 {
82  /* mtime is set only if the database file was loaded or saved
83  successfully */
84  return db_get_mtime() > 0;
85 }
86 
87 #endif