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 //go:build aix || darwin || dragonfly || freebsd || hurd || (js && wasm) || linux || 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 := f.pfd.Fstat(&fs.sys)
  21         if err != nil {
  22                 return nil, &PathError{Op: "stat", Path: f.name, Err: err}
  23         }
  24         fillFileStatFromSys(&fs, f.name)
  25         return &fs, nil
  26 }
  27
  28 // statNolog stats a file with no test logging.
  29 func statNolog(name string) (FileInfo, error) {
  30         var fs fileStat
  31         err := ignoringEINTR(func() error {
  32                 return syscall.Stat(name, &fs.sys)
  33         })
  34         if err != nil {
  35                 return nil, &PathError{Op: "stat", Path: name, Err: err}
  36         }
  37         fillFileStatFromSys(&fs, name)
  38         return &fs, nil
  39 }
  40
  41 // lstatNolog lstats a file with no test logging.
  42 func lstatNolog(name string) (FileInfo, error) {
  43         var fs fileStat
  44         err := ignoringEINTR(func() error {
  45                 return syscall.Lstat(name, &fs.sys)
  46         })
  47         if err != nil {
  48                 return nil, &PathError{Op: "lstat", Path: name, Err: err}
  49         }
  50         fillFileStatFromSys(&fs, name)
  51         return &fs, nil
  52 }