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68 lines
2.2 KiB
68 lines
2.2 KiB
// +build windows
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/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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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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*/
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package disk
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import (
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"path/filepath"
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"syscall"
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"unsafe"
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)
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// getFSType returns the filesystem type of the underlying mounted filesystem
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func getFSType(path string) string {
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dll := syscall.MustLoadDLL("kernel32.dll")
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GetVolumeInformation := dll.MustFindProc("GetVolumeInformationW")
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var volumeNameSize uint32 = 260
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var nFileSystemNameSize, lpVolumeSerialNumber uint32
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var lpFileSystemFlags, lpMaximumComponentLength uint32
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var lpFileSystemNameBuffer, volumeName [260]byte
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var ps = syscall.StringToUTF16Ptr(filepath.VolumeName(path))
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// Extract values safely
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// BOOL WINAPI GetVolumeInformation(
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// _In_opt_ LPCTSTR lpRootPathName,
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// _Out_opt_ LPTSTR lpVolumeNameBuffer,
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// _In_ DWORD nVolumeNameSize,
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// _Out_opt_ LPDWORD lpVolumeSerialNumber,
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// _Out_opt_ LPDWORD lpMaximumComponentLength,
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// _Out_opt_ LPDWORD lpFileSystemFlags,
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// _Out_opt_ LPTSTR lpFileSystemNameBuffer,
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// _In_ DWORD nFileSystemNameSize
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// );
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_, _, _ = GetVolumeInformation.Call(uintptr(unsafe.Pointer(ps)),
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uintptr(unsafe.Pointer(&volumeName)),
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uintptr(volumeNameSize),
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uintptr(unsafe.Pointer(&lpVolumeSerialNumber)),
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uintptr(unsafe.Pointer(&lpMaximumComponentLength)),
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uintptr(unsafe.Pointer(&lpFileSystemFlags)),
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uintptr(unsafe.Pointer(&lpFileSystemNameBuffer)),
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uintptr(unsafe.Pointer(&nFileSystemNameSize)), 0)
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var bytes []byte
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if lpFileSystemNameBuffer[6] == 0 {
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bytes = []byte{lpFileSystemNameBuffer[0], lpFileSystemNameBuffer[2],
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lpFileSystemNameBuffer[4]}
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} else {
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bytes = []byte{lpFileSystemNameBuffer[0], lpFileSystemNameBuffer[2],
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lpFileSystemNameBuffer[4], lpFileSystemNameBuffer[6]}
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}
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return string(bytes)
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}
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