107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/*
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* Copyright (C) 2003-2014 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 "UpdateDomain.hxx"
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#include "db/Directory.hxx"
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#include "storage/FileInfo.hxx"
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#include "storage/StorageInterface.hxx"
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#include "fs/Traits.hxx"
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#include "fs/FileSystem.hxx"
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#include "util/Error.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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bool
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GetInfo(Storage &storage, const char *uri_utf8, FileInfo &info)
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{
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Error error;
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bool success = storage.GetInfo(uri_utf8, true, info, error);
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if (!success)
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LogError(error);
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return success;
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}
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bool
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GetInfo(StorageDirectoryReader &reader, FileInfo &info)
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{
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Error error;
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bool success = reader.GetInfo(true, info, error);
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if (!success)
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LogError(error);
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return success;
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}
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bool
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DirectoryExists(Storage &storage, const Directory &directory)
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{
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FileInfo info;
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if (!storage.GetInfo(directory.GetPath(), true, info, IgnoreError()))
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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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? info.IsRegular()
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: info.IsDirectory();
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}
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static bool
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GetDirectoryChildInfo(Storage &storage, const Directory &directory,
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const char *name_utf8, FileInfo &info, Error &error)
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{
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const auto uri_utf8 = PathTraitsUTF8::Build(directory.GetPath(),
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name_utf8);
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return storage.GetInfo(uri_utf8.c_str(), true, info, error);
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}
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bool
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directory_child_is_regular(Storage &storage, const Directory &directory,
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const char *name_utf8)
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{
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FileInfo info;
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return GetDirectoryChildInfo(storage, directory, name_utf8, info,
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IgnoreError()) &&
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info.IsRegular();
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}
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bool
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directory_child_access(Storage &storage, 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)storage;
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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 = storage.MapChildFS(directory.GetPath(), name);
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if (path.IsNull())
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/* does not point to local file: silently ignore the
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check */
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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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