GetVirtualDiskPhysicalPath

// VirtDisk.dll
#include <windows.h>

WIN32_ERROR GetVirtualDiskPhysicalPath(
    HANDLE VirtualDiskHandle,
    DWORD* DiskPathSizeInBytes,
    LPWSTR DiskPath
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function GetVirtualDiskPhysicalPath(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    ByRef DiskPathSizeInBytes As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> DiskPath As System.Text.StringBuilder   ' LPWSTR out
) As UInteger
End Function

' VirtualDiskHandle : HANDLE
' DiskPathSizeInBytes : DWORD* in/out
' DiskPath : LPWSTR out
Declare PtrSafe Function GetVirtualDiskPhysicalPath Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByRef DiskPathSizeInBytes As Long, _
    ByVal DiskPath As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetVirtualDiskPhysicalPath = ctypes.windll.virtdisk.GetVirtualDiskPhysicalPath
GetVirtualDiskPhysicalPath.restype = wintypes.DWORD
GetVirtualDiskPhysicalPath.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # DiskPathSizeInBytes : DWORD* in/out
    wintypes.LPWSTR,  # DiskPath : LPWSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
GetVirtualDiskPhysicalPath = Fiddle::Function.new(
  lib['GetVirtualDiskPhysicalPath'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # DiskPathSizeInBytes : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # DiskPath : LPWSTR out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn GetVirtualDiskPhysicalPath(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        DiskPathSizeInBytes: *mut u32,  // DWORD* in/out
        DiskPath: *mut u16  // LPWSTR out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint GetVirtualDiskPhysicalPath(IntPtr VirtualDiskHandle, ref uint DiskPathSizeInBytes, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder DiskPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_GetVirtualDiskPhysicalPath' -Namespace Win32 -PassThru
# $api::GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)

#uselib "VirtDisk.dll"
#func global GetVirtualDiskPhysicalPath "GetVirtualDiskPhysicalPath" sptr, sptr, sptr
; GetVirtualDiskPhysicalPath VirtualDiskHandle, varptr(DiskPathSizeInBytes), varptr(DiskPath)   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; DiskPathSizeInBytes : DWORD* in/out -> "sptr"
; DiskPath : LPWSTR out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	virtdisk = windows.NewLazySystemDLL("VirtDisk.dll")
	procGetVirtualDiskPhysicalPath = virtdisk.NewProc("GetVirtualDiskPhysicalPath")
)

// VirtualDiskHandle (HANDLE), DiskPathSizeInBytes (DWORD* in/out), DiskPath (LPWSTR out)
r1, _, err := procGetVirtualDiskPhysicalPath.Call(
	uintptr(VirtualDiskHandle),
	uintptr(DiskPathSizeInBytes),
	uintptr(DiskPath),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetVirtualDiskPhysicalPath(
  VirtualDiskHandle: THandle;   // HANDLE
  DiskPathSizeInBytes: Pointer;   // DWORD* in/out
  DiskPath: PWideChar   // LPWSTR out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'GetVirtualDiskPhysicalPath';

result := DllCall("VirtDisk\GetVirtualDiskPhysicalPath"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Ptr", DiskPathSizeInBytes   ; DWORD* in/out
    , "Ptr", DiskPath   ; LPWSTR out
    , "UInt")   ; return: WIN32_ERROR

●GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath) = DLL("VirtDisk.dll", "dword GetVirtualDiskPhysicalPath(void*, void*, char*)")
# 呼び出し: GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
# VirtualDiskHandle : HANDLE -> "void*"
# DiskPathSizeInBytes : DWORD* in/out -> "void*"
# DiskPath : LPWSTR out -> "char*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "virtdisk" fn GetVirtualDiskPhysicalPath(
    VirtualDiskHandle: ?*anyopaque, // HANDLE
    DiskPathSizeInBytes: [*c]u32, // DWORD* in/out
    DiskPath: [*c]u16 // LPWSTR out
) callconv(std.os.windows.WINAPI) u32;

proc GetVirtualDiskPhysicalPath(
    VirtualDiskHandle: pointer,  # HANDLE
    DiskPathSizeInBytes: ptr uint32,  # DWORD* in/out
    DiskPath: ptr uint16  # LPWSTR out
): uint32 {.importc: "GetVirtualDiskPhysicalPath", stdcall, dynlib: "VirtDisk.dll".}

pragma(lib, "virtdisk");
extern(Windows)
uint GetVirtualDiskPhysicalPath(
    void* VirtualDiskHandle,   // HANDLE
    uint* DiskPathSizeInBytes,   // DWORD* in/out
    wchar* DiskPath   // LPWSTR out
);

ccall((:GetVirtualDiskPhysicalPath, "VirtDisk.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{UInt32}, Ptr{UInt16}),
      VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
# VirtualDiskHandle : HANDLE -> Ptr{Cvoid}
# DiskPathSizeInBytes : DWORD* in/out -> Ptr{UInt32}
# DiskPath : LPWSTR out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetVirtualDiskPhysicalPath(
    void* VirtualDiskHandle,
    uint32_t* DiskPathSizeInBytes,
    uint16_t* DiskPath);
]]
local virtdisk = ffi.load("virtdisk")
-- virtdisk.GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
-- VirtualDiskHandle : HANDLE
-- DiskPathSizeInBytes : DWORD* in/out
-- DiskPath : LPWSTR out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('VirtDisk.dll');
const GetVirtualDiskPhysicalPath = lib.func('__stdcall', 'GetVirtualDiskPhysicalPath', 'uint32_t', ['void *', 'uint32_t *', 'uint16_t *']);
// GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
// VirtualDiskHandle : HANDLE -> 'void *'
// DiskPathSizeInBytes : DWORD* in/out -> 'uint32_t *'
// DiskPath : LPWSTR out -> 'uint16_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("VirtDisk.dll", {
  GetVirtualDiskPhysicalPath: { parameters: ["pointer", "pointer", "buffer"], result: "u32" },
});
// lib.symbols.GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath)
// VirtualDiskHandle : HANDLE -> "pointer"
// DiskPathSizeInBytes : DWORD* in/out -> "pointer"
// DiskPath : LPWSTR out -> "buffer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t GetVirtualDiskPhysicalPath(
    void* VirtualDiskHandle,
    uint32_t* DiskPathSizeInBytes,
    uint16_t* DiskPath);
C, "VirtDisk.dll");
// $ffi->GetVirtualDiskPhysicalPath(VirtualDiskHandle, DiskPathSizeInBytes, DiskPath);
// VirtualDiskHandle : HANDLE
// DiskPathSizeInBytes : DWORD* in/out
// DiskPath : LPWSTR out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Virtdisk extends StdCallLibrary {
    Virtdisk INSTANCE = Native.load("virtdisk", Virtdisk.class);
    int GetVirtualDiskPhysicalPath(
        Pointer VirtualDiskHandle,   // HANDLE
        IntByReference DiskPathSizeInBytes,   // DWORD* in/out
        char[] DiskPath   // LPWSTR out
    );
}

@[Link("virtdisk")]
lib LibVirtDisk
  fun GetVirtualDiskPhysicalPath = GetVirtualDiskPhysicalPath(
    VirtualDiskHandle : Void*,   # HANDLE
    DiskPathSizeInBytes : UInt32*,   # DWORD* in/out
    DiskPath : UInt16*   # LPWSTR out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetVirtualDiskPhysicalPathNative = Uint32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Utf16>);
typedef GetVirtualDiskPhysicalPathDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Utf16>);
final GetVirtualDiskPhysicalPath = DynamicLibrary.open('VirtDisk.dll')
    .lookupFunction<GetVirtualDiskPhysicalPathNative, GetVirtualDiskPhysicalPathDart>('GetVirtualDiskPhysicalPath');
// VirtualDiskHandle : HANDLE -> Pointer<Void>
// DiskPathSizeInBytes : DWORD* in/out -> Pointer<Uint32>
// DiskPath : LPWSTR out -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetVirtualDiskPhysicalPath(
  VirtualDiskHandle: THandle;   // HANDLE
  DiskPathSizeInBytes: Pointer;   // DWORD* in/out
  DiskPath: PWideChar   // LPWSTR out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'GetVirtualDiskPhysicalPath';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetVirtualDiskPhysicalPath"
  c_GetVirtualDiskPhysicalPath :: Ptr () -> Ptr Word32 -> CWString -> IO Word32
-- VirtualDiskHandle : HANDLE -> Ptr ()
-- DiskPathSizeInBytes : DWORD* in/out -> Ptr Word32
-- DiskPath : LPWSTR out -> CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let getvirtualdiskphysicalpath =
  foreign "GetVirtualDiskPhysicalPath"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr uint16_t) @-> returning uint32_t)
(* VirtualDiskHandle : HANDLE -> (ptr void) *)
(* DiskPathSizeInBytes : DWORD* in/out -> (ptr uint32_t) *)
(* DiskPath : LPWSTR out -> (ptr uint16_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library virtdisk (t "VirtDisk.dll"))
(cffi:use-foreign-library virtdisk)

(cffi:defcfun ("GetVirtualDiskPhysicalPath" get-virtual-disk-physical-path :convention :stdcall) :uint32
  (virtual-disk-handle :pointer)   ; HANDLE
  (disk-path-size-in-bytes :pointer)   ; DWORD* in/out
  (disk-path :pointer))   ; LPWSTR out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetVirtualDiskPhysicalPath = Win32::API::More->new('VirtDisk',
    'DWORD GetVirtualDiskPhysicalPath(HANDLE VirtualDiskHandle, LPVOID DiskPathSizeInBytes, LPWSTR DiskPath)');
# my $ret = $GetVirtualDiskPhysicalPath->Call($VirtualDiskHandle, $DiskPathSizeInBytes, $DiskPath);
# VirtualDiskHandle : HANDLE -> HANDLE
# DiskPathSizeInBytes : DWORD* in/out -> LPVOID
# DiskPath : LPWSTR out -> LPWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。