github.com/zebozhuang/go@v0.0.0-20200207033046-f8a98f6f5c5d/src/os/stat_unix.go (about)

     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 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 := f.pfd.Fstat(&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  }