Request: Wrapper for GetVolumeInformationW about winsafe HOT 3 CLOSED

use anyhow::{Error};
/// Implementation for Windows
#[cfg(target_os="windows")]
pub fn get_id0() -> Result<String, Error> {
    const CDRIVE: &str = "C:\\";            // name to ask for
    let mut disk_serial_number: u32 = 0;    // destination for serial number
    let mut name = String::new();   // destination for name
    let mut file_system_name = String::new(); // destination for file system name
    winsafe::GetVolumeInformation(
        Some(CDRIVE),
        Some(&mut name),
        Some(&mut disk_serial_number),
        None,
        None,
        Some(&mut file_system_name))?;
    println!("Disk serial number: {}", disk_serial_number); // ***TEMP***
    println!("File system name: {}", file_system_name); // ***TEMP***
    Ok(format!("{:032x}", md5::compute(disk_serial_number.to_le_bytes())))
}

	
fn main() {
    println!("Hello, world from id0={}", get_id0().unwrap());
}

wine winutiltest.exe
thread 'main' panicked at 'Trying to use an unallocated WString buffer.', /home/john/.cargo/git/checkouts/winsafe-cbd1b977182a662f/e80fcd8/src/kernel/utilities/w_string.rs:186:20
stack backtrace:
   0: rust_begin_unwind
             at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a\/library\std\src/panicking.rs:498:5
   1: core::panicking::panic_fmt
             at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a\/library\core\src/panicking.rs:116:14
   2: winsafe::kernel::utilities::w_string::WString::as_mut_ptr::{{closure}}
             at /home/john/.cargo/git/checkouts/winsafe-cbd1b977182a662f/e80fcd8/src/kernel/utilities/w_string.rs:186:8
   3: core::option::Option<T>::map_or_else
             at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a\library\core\src\option.rs:977:21
   4: winsafe::kernel::utilities::w_string::WString::as_mut_ptr
             at /home/john/.cargo/git/checkouts/winsafe-cbd1b977182a662f/e80fcd8/src/kernel/utilities/w_string.rs:184:3
   5: winsafe::kernel::funcs::GetVolumeInformation
             at /home/john/.cargo/git/checkouts/winsafe-cbd1b977182a662f/e80fcd8/src/kernel/funcs.rs:439:5
   6: winutiltest::get_id0
             at /home/john/projects/rustcode/winutiltest/src/main.rs:10:5
   7: winutiltest::main
             at /home/john/projects/rustcode/winutiltest/src/main.rs:23:42
   8: core::ops::function::FnOnce::call_once
             at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a\library\core\src\ops\function.rs:227:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

    `name_buf.0.as_mut_ptr(),`

`sys_name_buf.0.as_mut_ptr(),`