code review 5298073: os: use error, io.EOF

src/pkg/os/stat_windows.go

 // 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 (
         "unsafe"
         "syscall"
 )
 
 // Stat returns the FileInfo structure describing file.
 // It returns the FileInfo and an error, if any.
-func (file *File) Stat() (fi *FileInfo, err Error) {
+func (file *File) Stat() (fi *FileInfo, err error) {
         if file == nil || file.fd < 0 {
                 return nil, EINVAL
         }
         if file.isdir() {
                 // I don't know any better way to do that for directory
                 return Stat(file.name)
         }
         var d syscall.ByHandleFileInformation
         e := syscall.GetFileInformationByHandle(syscall.Handle(file.fd), &d)
         if e != 0 {
                 return nil, &PathError{"GetFileInformationByHandle", file.name, Errno(e)}
         }
         return setFileInfo(new(FileInfo), basename(file.name), d.FileAttributes, d.FileSizeHigh, d.FileSizeLow, d.CreationTime, d.LastAccessTime, d.LastWriteTime), nil
 }
 
 // Stat returns a FileInfo structure describing the named file and an error, if any.
 // If name names a valid symbolic link, the returned FileInfo describes
 // the file pointed at by the link and has fi.FollowedSymlink set to true.
 // If name names an invalid symbolic link, the returned FileInfo describes
 // the link itself and has fi.FollowedSymlink set to false.
-func Stat(name string) (fi *FileInfo, err Error) {
+func Stat(name string) (fi *FileInfo, err error) {
         if len(name) == 0 {
                 return nil, &PathError{"Stat", name, Errno(syscall.ERROR_PATH_NOT_FOUND)}
         }
         var d syscall.Win32FileAttributeData
         e := syscall.GetFileAttributesEx(syscall.StringToUTF16Ptr(name), syscall.GetFileExInfoStandard, (*byte)(unsafe.Pointer(&d)))
         if e != 0 {
                 return nil, &PathError{"GetFileAttributesEx", name, Errno(e)}
         }
         return setFileInfo(new(FileInfo), basename(name), d.FileAttributes, d.FileSizeHigh, d.FileSizeLow, d.CreationTime, d.LastAccessTime, d.LastWriteTime), nil
 }
 
 // Lstat returns the FileInfo structure describing the named file and an
 // error, if any.  If the file is a symbolic link, the returned FileInfo
 // describes the symbolic link.  Lstat makes no attempt to follow the link.
-func Lstat(name string) (fi *FileInfo, err Error) {
+func Lstat(name string) (fi *FileInfo, err error) {
         // No links on Windows
         return Stat(name)
 }
 
 // basename removes trailing slashes and the leading
 // directory name and drive letter from path name.
 func basename(name string) string {
         // Remove drive letter
         if len(name) == 2 && name[1] == ':' {
                 name = "."
@@ skipping 28 matching lines @@
                 fi.Mode = fi.Mode | 0666
         }
         fi.Size = int64(sizehi)<<32 + int64(sizelo)
         fi.Name = name
         fi.FollowedSymlink = false
         fi.Atime_ns = atime.Nanoseconds()
         fi.Mtime_ns = wtime.Nanoseconds()
         fi.Ctime_ns = ctime.Nanoseconds()
         return fi
 }