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/*
* 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 "config.h" /* must be first for large file support */
#include "UpdateIO.hxx"
#include "src/UpdateDomain.hxx"
#include "Directory.hxx"
#include "Mapper.hxx"
#include "fs/AllocatedPath.hxx"
#include "fs/FileSystem.hxx"
#include "Log.hxx"
#include <errno.h>
#include <unistd.h>
int
stat_directory(const Directory &directory, struct stat *st)
{
const auto path_fs = map_directory_fs(directory);
if (path_fs.IsNull())
return -1;
if (!StatFile(path_fs, *st)) {
int error = errno;
const std::string path_utf8 = path_fs.ToUTF8();
FormatErrno(update_domain, error,
"Failed to stat %s", path_utf8.c_str());
return -1;
}
return 0;
}
int
stat_directory_child(const Directory &parent, const char *name,
struct stat *st)
{
const auto path_fs = map_directory_child_fs(parent, name);
if (path_fs.IsNull())
return -1;
if (!StatFile(path_fs, *st)) {
int error = errno;
const std::string path_utf8 = path_fs.ToUTF8();
FormatErrno(update_domain, error,
"Failed to stat %s", path_utf8.c_str());
return -1;
}
return 0;
}
bool
directory_exists(const Directory &directory)
{
const auto path_fs = map_directory_fs(directory);
if (path_fs.IsNull())
/* invalid path: cannot exist */
return false;
return directory.device == DEVICE_INARCHIVE ||
directory.device == DEVICE_CONTAINER
? FileExists(path_fs)
: DirectoryExists(path_fs);
}
bool
directory_child_is_regular(const Directory &directory,
const char *name_utf8)
{
const auto path_fs = map_directory_child_fs(directory, name_utf8);
if (path_fs.IsNull())
return false;
return FileExists(path_fs);
}
bool
directory_child_access(const Directory &directory,
const char *name, int mode)
{
#ifdef WIN32
/* CheckAccess() is useless on WIN32 */
(void)directory;
(void)name;
(void)mode;
return true;
#else
const auto path = map_directory_child_fs(directory, name);
if (path.IsNull())
/* something went wrong, but that isn't a permission
problem */
return true;
return CheckAccess(path, mode) || errno != EACCES;
#endif
}
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