114 lines
2.8 KiB
C++
114 lines
2.8 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h" /* must be first for large file support */
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#include "UpdateIO.hxx"
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#include "src/UpdateDomain.hxx"
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#include "Directory.hxx"
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#include "Mapper.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "fs/FileSystem.hxx"
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#include "Log.hxx"
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#include <errno.h>
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#include <unistd.h>
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int
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stat_directory(const Directory &directory, struct stat *st)
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{
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const auto path_fs = map_directory_fs(directory);
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if (path_fs.IsNull())
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return -1;
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if (!StatFile(path_fs, *st)) {
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int error = errno;
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const std::string path_utf8 = path_fs.ToUTF8();
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FormatErrno(update_domain, error,
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"Failed to stat %s", path_utf8.c_str());
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return -1;
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}
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return 0;
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}
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int
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stat_directory_child(const Directory &parent, const char *name,
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struct stat *st)
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{
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const auto path_fs = map_directory_child_fs(parent, name);
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if (path_fs.IsNull())
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return -1;
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if (!StatFile(path_fs, *st)) {
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int error = errno;
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const std::string path_utf8 = path_fs.ToUTF8();
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FormatErrno(update_domain, error,
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"Failed to stat %s", path_utf8.c_str());
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return -1;
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}
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return 0;
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}
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bool
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directory_exists(const Directory &directory)
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{
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const auto path_fs = map_directory_fs(directory);
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if (path_fs.IsNull())
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/* invalid path: cannot exist */
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return false;
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return directory.device == DEVICE_INARCHIVE ||
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directory.device == DEVICE_CONTAINER
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? FileExists(path_fs)
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: DirectoryExists(path_fs);
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}
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bool
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directory_child_is_regular(const Directory &directory,
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const char *name_utf8)
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{
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const auto path_fs = map_directory_child_fs(directory, name_utf8);
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if (path_fs.IsNull())
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return false;
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return FileExists(path_fs);
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}
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bool
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directory_child_access(const Directory &directory,
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const char *name, int mode)
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{
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#ifdef WIN32
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/* CheckAccess() is useless on WIN32 */
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(void)directory;
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(void)name;
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(void)mode;
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return true;
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#else
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const auto path = map_directory_child_fs(directory, name);
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if (path.IsNull())
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/* something went wrong, but that isn't a permission
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problem */
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return true;
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return CheckAccess(path, mode) || errno != EACCES;
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#endif
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}
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