1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* This project's homepage is: http://www.musicpd.org
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MPD_DATABASE_H
#define MPD_DATABASE_H
#include <stdbool.h>
#include <sys/time.h>
struct directory;
void
db_init(void);
void
db_finish(void);
struct directory *
db_get_root(void);
struct directory *
db_get_directory(const char *name);
struct song *
db_get_song(const char *file);
int db_walk(const char *name,
int (*forEachSong)(struct song *, void *),
int (*forEachDir)(struct directory *, void *), void *data);
int
db_check(void);
int
db_save(void);
int
db_load(void);
time_t
db_get_mtime(void);
/**
* Returns true if there is a valid database file on the disk.
*/
static inline bool
db_exists(void)
{
/* mtime is set only if the database file was loaded or saved
successfully */
return db_get_mtime() > 0;
}
#endif
|
