65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
//go:build windows
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// +build windows
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// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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var (
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// GetVolumeInformation provides windows drive volume information.
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GetVolumeInformation = kernel32.NewProc("GetVolumeInformationW")
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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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volumeNameSize, nFileSystemNameSize := uint32(260), uint32(260)
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var lpVolumeSerialNumber uint32
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var lpFileSystemFlags, lpMaximumComponentLength uint32
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var lpFileSystemNameBuffer, volumeName [260]uint16
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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(nFileSystemNameSize))
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return syscall.UTF16ToString(lpFileSystemNameBuffer[:])
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}
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