pub fn get_physical_ts(&self, h: RawHandle) -> u64
{
	use winapi::um::winnt::LARGE_INTEGER;
	use winapi::um::winioctl::*;
	use winapi::shared::minwindef::{DWORD, LPVOID};
	use winapi::um::ioapiset::DeviceIoControl;
	use winapi::shared::ntdef::NULL;
	use std::mem;
	use std::ptr::null_mut;


	unsafe {
	let mut p: PARTITION_INFORMATION = PARTITION_INFORMATION {
		StartingOffset: std::mem::zeroed(), // can't initialize this
		PartitionLength: std::mem::zeroed(), // and this, both are LARGE_INTEGER
		HiddenSectors: 0,
		PartitionNumber: 0,
		PartitionType: 0,
		BootIndicator: 0,
		RecognizedPartition: 0,
		RewritePartition: 0,
	};
	}

	let pptr: *mut PARTITION_INFORMATION = &mut p;

	let mut br: DWORD = 0;
	let mut ts: u64 = 0;
	let mut r: i32 = 0;

	unsafe {
		r = DeviceIoControl(h, IOCTL_DISK_GET_PARTITION_INFO, NULL, 0, pptr as LPVOID, mem::size_of::<PARTITION_INFORMATION>() as u32, &mut br, null_mut());
		ts = *(p.PartitionLength.QuadPart()) as u64;
	}

	if r == 0 { panic!("Cannot get partition total sectors"); }
	(ts / (BYTES_PER_SECTOR as u64)) - 1
}

pub fn main()
    let f = File::open("\\\\.\\d:");
    let ts = get_physical_ts(f.as_raw_handle());
    println!("{}", ts);