47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
|
// Copyright 2016 The etcd Authors
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
// +build windows
|
||
|
|
|
||
|
|
package fileutil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"os"
|
||
|
|
"syscall"
|
||
|
|
)
|
||
|
|
|
||
|
|
// OpenDir opens a directory in windows with write access for syncing.
|
||
|
|
func OpenDir(path string) (*os.File, error) {
|
||
|
|
fd, err := openDir(path)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
return os.NewFile(uintptr(fd), path), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func openDir(path string) (fd syscall.Handle, err error) {
|
||
|
|
if len(path) == 0 {
|
||
|
|
return syscall.InvalidHandle, syscall.ERROR_FILE_NOT_FOUND
|
||
|
|
}
|
||
|
|
pathp, err := syscall.UTF16PtrFromString(path)
|
||
|
|
if err != nil {
|
||
|
|
return syscall.InvalidHandle, err
|
||
|
|
}
|
||
|
|
access := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE)
|
||
|
|
sharemode := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE)
|
||
|
|
createmode := uint32(syscall.OPEN_EXISTING)
|
||
|
|
fl := uint32(syscall.FILE_FLAG_BACKUP_SEMANTICS)
|
||
|
|
return syscall.CreateFile(pathp, access, sharemode, nil, createmode, fl, 0)
|
||
|
|
}
|