//go:build windows// +build windows // Copyright (c) 2015-2021 MinIO, Inc.//// This file is part of MinIO Object Storage stack//// This program is free software: you can redistribute it and/or modify// it under the terms of the GNU Affero General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// This program is distributed in the hope that it will be useful// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the// GNU Affero General Public License for more details.//// You should have received a copy of the GNU Affero General Public License// along with this program.  If not, see <http://www.gnu.org/licenses/>. package disk import (	"path/filepath"	"syscall"	"unsafe") // GetVolumeInformation provides windows drive volume information.var GetVolumeInformation = kernel32.NewProc("GetVolumeInformationW") // getFSType returns the filesystem type of the underlying mounted filesystemfunc getFSType(path string) string {	volumeNameSize, nFileSystemNameSize := uint32(260), uint32(260)	var lpVolumeSerialNumber uint32	var lpFileSystemFlags, lpMaximumComponentLength uint32	var lpFileSystemNameBuffer, volumeName [260]uint16	ps := syscall.StringToUTF16Ptr(filepath.VolumeName(path)) 	// Extract values safely	// BOOL WINAPI GetVolumeInformation(	// _In_opt_  LPCTSTR lpRootPathName,	// _Out_opt_ LPTSTR  lpVolumeNameBuffer,	// _In_      DWORD   nVolumeNameSize,	// _Out_opt_ LPDWORD lpVolumeSerialNumber,	// _Out_opt_ LPDWORD lpMaximumComponentLength,	// _Out_opt_ LPDWORD lpFileSystemFlags,	// _Out_opt_ LPTSTR  lpFileSystemNameBuffer,	// _In_      DWORD   nFileSystemNameSize	// ); 	_, _, _ = GetVolumeInformation.Call(uintptr(unsafe.Pointer(ps)),		uintptr(unsafe.Pointer(&volumeName)),		uintptr(volumeNameSize),		uintptr(unsafe.Pointer(&lpVolumeSerialNumber)),		uintptr(unsafe.Pointer(&lpMaximumComponentLength)),		uintptr(unsafe.Pointer(&lpFileSystemFlags)),		uintptr(unsafe.Pointer(&lpFileSystemNameBuffer)),		uintptr(nFileSystemNameSize)) 	return syscall.UTF16ToString(lpFileSystemNameBuffer[:])}