GetAllAttachedVirtualDiskPhysicalPaths

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

WIN32_ERROR GetAllAttachedVirtualDiskPhysicalPaths(
    DWORD* PathsBufferSizeInBytes,
    LPWSTR PathsBuffer
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function GetAllAttachedVirtualDiskPhysicalPaths(
    ByRef PathsBufferSizeInBytes As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> PathsBuffer As System.Text.StringBuilder   ' LPWSTR out
) As UInteger
End Function

' PathsBufferSizeInBytes : DWORD* in/out
' PathsBuffer : LPWSTR out
Declare PtrSafe Function GetAllAttachedVirtualDiskPhysicalPaths Lib "virtdisk" ( _
    ByRef PathsBufferSizeInBytes As Long, _
    ByVal PathsBuffer 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

GetAllAttachedVirtualDiskPhysicalPaths = ctypes.windll.virtdisk.GetAllAttachedVirtualDiskPhysicalPaths
GetAllAttachedVirtualDiskPhysicalPaths.restype = wintypes.DWORD
GetAllAttachedVirtualDiskPhysicalPaths.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # PathsBufferSizeInBytes : DWORD* in/out
    wintypes.LPWSTR,  # PathsBuffer : LPWSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
GetAllAttachedVirtualDiskPhysicalPaths = Fiddle::Function.new(
  lib['GetAllAttachedVirtualDiskPhysicalPaths'],
  [
    Fiddle::TYPE_VOIDP,  # PathsBufferSizeInBytes : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # PathsBuffer : LPWSTR out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn GetAllAttachedVirtualDiskPhysicalPaths(
        PathsBufferSizeInBytes: *mut u32,  // DWORD* in/out
        PathsBuffer: *mut u16  // LPWSTR out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint GetAllAttachedVirtualDiskPhysicalPaths(ref uint PathsBufferSizeInBytes, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder PathsBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_GetAllAttachedVirtualDiskPhysicalPaths' -Namespace Win32 -PassThru
# $api::GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer)

#uselib "VirtDisk.dll"
#func global GetAllAttachedVirtualDiskPhysicalPaths "GetAllAttachedVirtualDiskPhysicalPaths" sptr, sptr
; GetAllAttachedVirtualDiskPhysicalPaths varptr(PathsBufferSizeInBytes), varptr(PathsBuffer)   ; 戻り値は stat
; PathsBufferSizeInBytes : DWORD* in/out -> "sptr"
; PathsBuffer : 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")
	procGetAllAttachedVirtualDiskPhysicalPaths = virtdisk.NewProc("GetAllAttachedVirtualDiskPhysicalPaths")
)

// PathsBufferSizeInBytes (DWORD* in/out), PathsBuffer (LPWSTR out)
r1, _, err := procGetAllAttachedVirtualDiskPhysicalPaths.Call(
	uintptr(PathsBufferSizeInBytes),
	uintptr(PathsBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function GetAllAttachedVirtualDiskPhysicalPaths(
  PathsBufferSizeInBytes: Pointer;   // DWORD* in/out
  PathsBuffer: PWideChar   // LPWSTR out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'GetAllAttachedVirtualDiskPhysicalPaths';

result := DllCall("VirtDisk\GetAllAttachedVirtualDiskPhysicalPaths"
    , "Ptr", PathsBufferSizeInBytes   ; DWORD* in/out
    , "Ptr", PathsBuffer   ; LPWSTR out
    , "UInt")   ; return: WIN32_ERROR

●GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer) = DLL("VirtDisk.dll", "dword GetAllAttachedVirtualDiskPhysicalPaths(void*, char*)")
# 呼び出し: GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer)
# PathsBufferSizeInBytes : DWORD* in/out -> "void*"
# PathsBuffer : 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 GetAllAttachedVirtualDiskPhysicalPaths(
    PathsBufferSizeInBytes: [*c]u32, // DWORD* in/out
    PathsBuffer: [*c]u16 // LPWSTR out
) callconv(std.os.windows.WINAPI) u32;

proc GetAllAttachedVirtualDiskPhysicalPaths(
    PathsBufferSizeInBytes: ptr uint32,  # DWORD* in/out
    PathsBuffer: ptr uint16  # LPWSTR out
): uint32 {.importc: "GetAllAttachedVirtualDiskPhysicalPaths", stdcall, dynlib: "VirtDisk.dll".}

pragma(lib, "virtdisk");
extern(Windows)
uint GetAllAttachedVirtualDiskPhysicalPaths(
    uint* PathsBufferSizeInBytes,   // DWORD* in/out
    wchar* PathsBuffer   // LPWSTR out
);

ccall((:GetAllAttachedVirtualDiskPhysicalPaths, "VirtDisk.dll"), stdcall, UInt32,
      (Ptr{UInt32}, Ptr{UInt16}),
      PathsBufferSizeInBytes, PathsBuffer)
# PathsBufferSizeInBytes : DWORD* in/out -> Ptr{UInt32}
# PathsBuffer : 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 GetAllAttachedVirtualDiskPhysicalPaths(
    uint32_t* PathsBufferSizeInBytes,
    uint16_t* PathsBuffer);
]]
local virtdisk = ffi.load("virtdisk")
-- virtdisk.GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer)
-- PathsBufferSizeInBytes : DWORD* in/out
-- PathsBuffer : 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 GetAllAttachedVirtualDiskPhysicalPaths = lib.func('__stdcall', 'GetAllAttachedVirtualDiskPhysicalPaths', 'uint32_t', ['uint32_t *', 'uint16_t *']);
// GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer)
// PathsBufferSizeInBytes : DWORD* in/out -> 'uint32_t *'
// PathsBuffer : 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", {
  GetAllAttachedVirtualDiskPhysicalPaths: { parameters: ["pointer", "buffer"], result: "u32" },
});
// lib.symbols.GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer)
// PathsBufferSizeInBytes : DWORD* in/out -> "pointer"
// PathsBuffer : 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 GetAllAttachedVirtualDiskPhysicalPaths(
    uint32_t* PathsBufferSizeInBytes,
    uint16_t* PathsBuffer);
C, "VirtDisk.dll");
// $ffi->GetAllAttachedVirtualDiskPhysicalPaths(PathsBufferSizeInBytes, PathsBuffer);
// PathsBufferSizeInBytes : DWORD* in/out
// PathsBuffer : 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 GetAllAttachedVirtualDiskPhysicalPaths(
        IntByReference PathsBufferSizeInBytes,   // DWORD* in/out
        char[] PathsBuffer   // LPWSTR out
    );
}

@[Link("virtdisk")]
lib LibVirtDisk
  fun GetAllAttachedVirtualDiskPhysicalPaths = GetAllAttachedVirtualDiskPhysicalPaths(
    PathsBufferSizeInBytes : UInt32*,   # DWORD* in/out
    PathsBuffer : 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 GetAllAttachedVirtualDiskPhysicalPathsNative = Uint32 Function(Pointer<Uint32>, Pointer<Utf16>);
typedef GetAllAttachedVirtualDiskPhysicalPathsDart = int Function(Pointer<Uint32>, Pointer<Utf16>);
final GetAllAttachedVirtualDiskPhysicalPaths = DynamicLibrary.open('VirtDisk.dll')
    .lookupFunction<GetAllAttachedVirtualDiskPhysicalPathsNative, GetAllAttachedVirtualDiskPhysicalPathsDart>('GetAllAttachedVirtualDiskPhysicalPaths');
// PathsBufferSizeInBytes : DWORD* in/out -> Pointer<Uint32>
// PathsBuffer : LPWSTR out -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetAllAttachedVirtualDiskPhysicalPaths(
  PathsBufferSizeInBytes: Pointer;   // DWORD* in/out
  PathsBuffer: PWideChar   // LPWSTR out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'GetAllAttachedVirtualDiskPhysicalPaths';

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

foreign import stdcall safe "GetAllAttachedVirtualDiskPhysicalPaths"
  c_GetAllAttachedVirtualDiskPhysicalPaths :: Ptr Word32 -> CWString -> IO Word32
-- PathsBufferSizeInBytes : DWORD* in/out -> Ptr Word32
-- PathsBuffer : 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 getallattachedvirtualdiskphysicalpaths =
  foreign "GetAllAttachedVirtualDiskPhysicalPaths"
    ((ptr uint32_t) @-> (ptr uint16_t) @-> returning uint32_t)
(* PathsBufferSizeInBytes : DWORD* in/out -> (ptr uint32_t) *)
(* PathsBuffer : 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 ("GetAllAttachedVirtualDiskPhysicalPaths" get-all-attached-virtual-disk-physical-paths :convention :stdcall) :uint32
  (paths-buffer-size-in-bytes :pointer)   ; DWORD* in/out
  (paths-buffer :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 $GetAllAttachedVirtualDiskPhysicalPaths = Win32::API::More->new('VirtDisk',
    'DWORD GetAllAttachedVirtualDiskPhysicalPaths(LPVOID PathsBufferSizeInBytes, LPWSTR PathsBuffer)');
# my $ret = $GetAllAttachedVirtualDiskPhysicalPaths->Call($PathsBufferSizeInBytes, $PathsBuffer);
# PathsBufferSizeInBytes : DWORD* in/out -> LPVOID
# PathsBuffer : 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。