mpd/src/directory.h

/* the Music Player Daemon (MPD)
 * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
 * 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 DIRECTORY_H
#define DIRECTORY_H

#include "../config.h"

#include "song.h"
#include "list.h"

#include <stdio.h>
#include <sys/param.h>

typedef List DirectoryList;

typedef struct _DirectoryStat {
	ino_t inode;
	dev_t device;
} DirectoryStat;

typedef struct _Directory {
	char * path;
	DirectoryList * subDirectories;
	SongList * songs;
	struct _Directory * parent;
	DirectoryStat * stat;
} Directory;

extern char * directory_db;

void readDirectoryDBIfUpdateIsFinished();

void clearUpdatePid();

int isUpdatingDB();

void directory_sigChldHandler(int pid, int status);

int updateInit(FILE * fp, List * pathList);

void initMp3Directory();

void closeMp3Directory();

int printDirectoryInfo(FILE * fp, char * dirname);

int writeDirectoryDB();

int readDirectoryDB();

void updateMp3Directory();

Song * getSongFromDB(char * file);

time_t getDbModTime();

int traverseAllIn(FILE * fp, char * name, 
			int (*forEachSong)(FILE *, Song *, void *),
			int (*forEachDir)(FILE *, Directory *, void *),
			void * data);

/* don't free this */
/*char * getDirectoryPath(Directory * dir);*/
#define getDirectoryPath(dir) ((dir && dir->path) ? dir->path : "")

/* free the string that is returned */
char * catDirAndFileName(Directory * dir, char * filename);

#endif