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