| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package os |
| |
| import "syscall" |
| |
| // An operating-system independent representation of Unix data structures. |
| // OS-specific routines in this directory convert the OS-local versions to these. |
| |
| // Getpagesize returns the underlying system's memory page size. |
| func Getpagesize() int { return syscall.Getpagesize() } |
| |
| // A Dir describes a file and is returned by Stat, Fstat, and Lstat |
| type Dir struct { |
| Dev uint64; // device number of file system holding file. |
| Ino uint64; // inode number. |
| Nlink uint64; // number of hard links. |
| Mode uint32; // permission and mode bits. |
| Uid uint32; // user id of owner. |
| Gid uint32; // group id of owner. |
| Rdev uint64; // device type for special file. |
| Size uint64; // length in bytes. |
| Blksize uint64; // size of blocks, in bytes. |
| Blocks uint64; // number of blocks allocated for file. |
| Atime_ns uint64; // access time; nanoseconds since epoch. |
| Mtime_ns uint64; // modified time; nanoseconds since epoch. |
| Ctime_ns uint64; // status change time; nanoseconds since epoch. |
| Name string; // name of file as presented to Open. |
| FollowedSymlink bool; // followed a symlink to get this information |
| } |
| |
| // IsFifo reports whether the Dir describes a FIFO file. |
| func (dir *Dir) IsFifo() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFIFO } |
| |
| // IsChar reports whether the Dir describes a character special file. |
| func (dir *Dir) IsChar() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFCHR } |
| |
| // IsDirectory reports whether the Dir describes a directory. |
| func (dir *Dir) IsDirectory() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFDIR } |
| |
| // IsBlock reports whether the Dir describes a block special file. |
| func (dir *Dir) IsBlock() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFBLK } |
| |
| // IsRegular reports whether the Dir describes a regular file. |
| func (dir *Dir) IsRegular() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFREG } |
| |
| // IsSymlink reports whether the Dir describes a symbolic link. |
| func (dir *Dir) IsSymlink() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFLNK } |
| |
| // IsSocket reports whether the Dir describes a socket. |
| func (dir *Dir) IsSocket() bool { return (dir.Mode & syscall.S_IFMT) == syscall.S_IFSOCK } |
| |
| // Permission returns the file permission bits. |
| func (dir *Dir) Permission() int { return int(dir.Mode & 0777) } |