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/* the Music Player Daemon (MPD)
 * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
 * 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 PATH_H
#define PATH_H

#include "../config.h"
#include "os_compat.h"

#if !defined(MPD_PATH_MAX)
#  if defined(MAXPATHLEN)
#    define MPD_PATH_MAX MAXPATHLEN
#  elif defined(PATH_MAX)
#    define MPD_PATH_MAX PATH_MAX
#  else
#    define MPD_PATH_MAX 256
#  endif
#endif

extern const char *musicDir;

void initPaths(void);

void finishPaths(void);

char *fs_charset_to_utf8(char *dst, const char *str);

char *utf8_to_fs_charset(char *dst, const char *str);

void setFsCharset(const char *charset);

const char *getFsCharset(void);

/*
 * pfx_dir - sets dst="$pfx/$path" and returns a pointer to path inside * dst
 * this will unconditionally put a '/' between pfx and path unlike
 * the static pfx_path() function in path.c
 * dst is assumed to be MAXPATHLEN in size
 * dst can point to the same location as path, but not pfx, which makes
 * this better than sprintf(3) in some cases
 */
char *pfx_dir(char *dst,
              const char *path, const size_t path_len,
              const char *pfx, const size_t pfx_len);

/* relative music path to absolute music path */
char *rmp2amp_r(char *dst, const char *rel_path);

/* relative playlist path to absolute playlist path */
char *rpp2app_r(char *dst, const char *rel_path);

/*
 * parent_path - saner version of dirname(3) with slightly different semantics
 *  - we will return "" instead of "." or "/" if we have no parent
 *    this is because we only deal with internal paths
 *  - we always skip over redundant slashes in the middle, if there are any
 *  - we will never get meaningful paths with trailing slashes in our callers
 *    (set handle_trailing_slashes to true if we do)
 */
char *parent_path(char *path_max_tmp, const char *path);

/* strips extra "///" and leading "/" and trailing "/" */
char *sanitizePathDup(const char *path);

/* this is actually like strlcpy (OpenBSD), but we don't actually want to
 * blindly use it everywhere, only for paths that are OK to truncate (for
 * error reporting and such.
 * dest must be MPD_PATH_MAX bytes large (which is standard in mpd) */
void pathcpy_trunc(char *dest, const char *src);

/*
 * converts a path passed from a client into an absolute FS path.
 * paths passed by clients do NOT have file suffixes in them
 */
void utf8_to_fs_playlist_path(char *path_max_tmp, const char *utf8path);

#endif