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// 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) }
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