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Diffstat (limited to 'src/fs/FileInfo.hxx')
-rw-r--r-- | src/fs/FileInfo.hxx | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/fs/FileInfo.hxx b/src/fs/FileInfo.hxx new file mode 100644 index 000000000..6fe24cb90 --- /dev/null +++ b/src/fs/FileInfo.hxx @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2003-2015 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. + */ + +#ifndef MPD_FS_FILE_INFO_HXX +#define MPD_FS_FILE_INFO_HXX + +#include "check.h" +#include "Path.hxx" +#include "util/Error.hxx" + +#include <stdint.h> +#include <sys/stat.h> + +class FileInfo { + friend bool GetFileInfo(Path path, FileInfo &info, + bool follow_symlinks); + friend bool GetFileInfo(Path path, FileInfo &info, + Error &error); + + struct stat st; + +public: + bool IsRegular() const { + return S_ISREG(st.st_mode); + } + + bool IsDirectory() const { + return S_ISDIR(st.st_mode); + } + + uint64_t GetSize() const { + return st.st_size; + } + + time_t GetModificationTime() const { + return st.st_mtime; + } + +#ifndef WIN32 + uid_t GetUid() const { + return st.st_uid; + } + + mode_t GetMode() const { + return st.st_mode; + } + + dev_t GetDevice() const { + return st.st_dev; + } + + ino_t GetInode() const { + return st.st_ino; + } +#endif +}; + +inline bool +GetFileInfo(Path path, FileInfo &info, bool follow_symlinks=true) +{ +#ifdef WIN32 + (void)follow_symlinks; + return stat(path.c_str(), &info.st) == 0; +#else + int ret = follow_symlinks + ? stat(path.c_str(), &info.st) + : lstat(path.c_str(), &info.st); + return ret == 0; +#endif +} + +inline bool +GetFileInfo(Path path, FileInfo &info, bool follow_symlinks, Error &error) +{ + bool success = GetFileInfo(path, info, follow_symlinks); + if (!success) { + const auto path_utf8 = path.ToUTF8(); + error.FormatErrno("Failed to access %s", path_utf8.c_str()); + } + + return success; +} + +inline bool +GetFileInfo(Path path, FileInfo &info, Error &error) +{ + return GetFileInfo(path, info, true, error); +} + +#endif |