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/*
* music player command (mpc)
* Copyright (C) 2003-2013 The Music Player Daemon Project
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "path.h"
#include <mpd/client.h>
#include <string.h>
static char *music_directory;
static bool initialized;
bool
path_prepare(struct mpd_connection *conn)
{
if (initialized)
return true;
initialized = true;
if (mpd_connection_cmp_server_version(conn, 0, 17, 0) < 0)
/* the "config" command was added in MPD 0.17.1 */
return true;
if (!mpd_send_command(conn, "config", NULL))
return false;
struct mpd_pair *pair = mpd_recv_pair_named(conn, "music_directory");
if (pair != NULL) {
music_directory = strdup(pair->value);
mpd_return_pair(conn, pair);
}
return mpd_response_finish(conn) || mpd_connection_clear_error(conn);
}
const char *
to_relative_path(const char *path)
{
if (music_directory == NULL || path[0] != '/')
return NULL;
const size_t path_length = strlen(path);
const size_t base_length = strlen(music_directory);
if (base_length >= path_length ||
memcmp(music_directory, path, base_length) != 0)
return NULL;
if (path[base_length] == 0)
return "/";
if (path[base_length] == '/')
return path + base_length + 1;
return NULL;
}
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