libgo/go/os/stat_unix.go

   1 // Copyright 2016 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
   6
   7 package os
   8
   9 import (
  10         "syscall"
  11 )
  12
  13 // Stat returns the FileInfo structure describing file.
  14 // If there is an error, it will be of type *PathError.
  15 func (f *File) Stat() (FileInfo, error) {
  16         if f == nil {
  17                 return nil, ErrInvalid
  18         }
  19         var fs fileStat
  20         err := syscall.Fstat(f.fd, &fs.sys)
  21         if err != nil {
  22                 return nil, &PathError{"stat", f.name, err}
  23         }
  24         fillFileStatFromSys(&fs, f.name)
  25         return &fs, nil
  26 }
  27
  28 // Stat returns a FileInfo describing the named file.
  29 // If there is an error, it will be of type *PathError.
  30 func Stat(name string) (FileInfo, error) {
  31         var fs fileStat
  32         err := syscall.Stat(name, &fs.sys)
  33         if err != nil {
  34                 return nil, &PathError{"stat", name, err}
  35         }
  36         fillFileStatFromSys(&fs, name)
  37         return &fs, nil
  38 }
  39
  40 // Lstat returns a FileInfo describing the named file.
  41 // If the file is a symbolic link, the returned FileInfo
  42 // describes the symbolic link. Lstat makes no attempt to follow the link.
  43 // If there is an error, it will be of type *PathError.
  44 func Lstat(name string) (FileInfo, error) {
  45         var fs fileStat
  46         err := syscall.Lstat(name, &fs.sys)
  47         if err != nil {
  48                 return nil, &PathError{"lstat", name, err}
  49         }
  50         fillFileStatFromSys(&fs, name)
  51         return &fs, nil
  52 }