OpenVirtualDisk

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

WIN32_ERROR OpenVirtualDisk(
    VIRTUAL_STORAGE_TYPE* VirtualStorageType,
    LPCWSTR Path,
    VIRTUAL_DISK_ACCESS_MASK VirtualDiskAccessMask,
    OPEN_VIRTUAL_DISK_FLAG Flags,
    OPEN_VIRTUAL_DISK_PARAMETERS* Parameters,   // optional
    HANDLE* Handle
);

<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function OpenVirtualDisk(
    VirtualStorageType As IntPtr,   ' VIRTUAL_STORAGE_TYPE*
    <MarshalAs(UnmanagedType.LPWStr)> Path As String,   ' LPCWSTR
    VirtualDiskAccessMask As Integer,   ' VIRTUAL_DISK_ACCESS_MASK
    Flags As Integer,   ' OPEN_VIRTUAL_DISK_FLAG
    Parameters As IntPtr,   ' OPEN_VIRTUAL_DISK_PARAMETERS* optional
    Handle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' VirtualStorageType : VIRTUAL_STORAGE_TYPE*
' Path : LPCWSTR
' VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK
' Flags : OPEN_VIRTUAL_DISK_FLAG
' Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional
' Handle : HANDLE* out
Declare PtrSafe Function OpenVirtualDisk Lib "virtdisk" ( _
    ByVal VirtualStorageType As LongPtr, _
    ByVal Path As LongPtr, _
    ByVal VirtualDiskAccessMask As Long, _
    ByVal Flags As Long, _
    ByVal Parameters As LongPtr, _
    ByVal Handle 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

OpenVirtualDisk = ctypes.windll.virtdisk.OpenVirtualDisk
OpenVirtualDisk.restype = wintypes.DWORD
OpenVirtualDisk.argtypes = [
    ctypes.c_void_p,  # VirtualStorageType : VIRTUAL_STORAGE_TYPE*
    wintypes.LPCWSTR,  # Path : LPCWSTR
    ctypes.c_int,  # VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK
    ctypes.c_int,  # Flags : OPEN_VIRTUAL_DISK_FLAG
    ctypes.c_void_p,  # Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional
    ctypes.c_void_p,  # Handle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
OpenVirtualDisk = Fiddle::Function.new(
  lib['OpenVirtualDisk'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualStorageType : VIRTUAL_STORAGE_TYPE*
    Fiddle::TYPE_VOIDP,  # Path : LPCWSTR
    Fiddle::TYPE_INT,  # VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK
    Fiddle::TYPE_INT,  # Flags : OPEN_VIRTUAL_DISK_FLAG
    Fiddle::TYPE_VOIDP,  # Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional
    Fiddle::TYPE_VOIDP,  # Handle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "virtdisk")]
extern "system" {
    fn OpenVirtualDisk(
        VirtualStorageType: *mut VIRTUAL_STORAGE_TYPE,  // VIRTUAL_STORAGE_TYPE*
        Path: *const u16,  // LPCWSTR
        VirtualDiskAccessMask: i32,  // VIRTUAL_DISK_ACCESS_MASK
        Flags: i32,  // OPEN_VIRTUAL_DISK_FLAG
        Parameters: *mut OPEN_VIRTUAL_DISK_PARAMETERS,  // OPEN_VIRTUAL_DISK_PARAMETERS* optional
        Handle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint OpenVirtualDisk(IntPtr VirtualStorageType, [MarshalAs(UnmanagedType.LPWStr)] string Path, int VirtualDiskAccessMask, int Flags, IntPtr Parameters, IntPtr Handle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_OpenVirtualDisk' -Namespace Win32 -PassThru
# $api::OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle)

#uselib "VirtDisk.dll"
#func global OpenVirtualDisk "OpenVirtualDisk" sptr, sptr, sptr, sptr, sptr, sptr
; OpenVirtualDisk varptr(VirtualStorageType), Path, VirtualDiskAccessMask, Flags, varptr(Parameters), Handle   ; 戻り値は stat
; VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> "sptr"
; Path : LPCWSTR -> "sptr"
; VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> "sptr"
; Flags : OPEN_VIRTUAL_DISK_FLAG -> "sptr"
; Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> "sptr"
; Handle : HANDLE* 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")
	procOpenVirtualDisk = virtdisk.NewProc("OpenVirtualDisk")
)

// VirtualStorageType (VIRTUAL_STORAGE_TYPE*), Path (LPCWSTR), VirtualDiskAccessMask (VIRTUAL_DISK_ACCESS_MASK), Flags (OPEN_VIRTUAL_DISK_FLAG), Parameters (OPEN_VIRTUAL_DISK_PARAMETERS* optional), Handle (HANDLE* out)
r1, _, err := procOpenVirtualDisk.Call(
	uintptr(VirtualStorageType),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Path))),
	uintptr(VirtualDiskAccessMask),
	uintptr(Flags),
	uintptr(Parameters),
	uintptr(Handle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function OpenVirtualDisk(
  VirtualStorageType: Pointer;   // VIRTUAL_STORAGE_TYPE*
  Path: PWideChar;   // LPCWSTR
  VirtualDiskAccessMask: Integer;   // VIRTUAL_DISK_ACCESS_MASK
  Flags: Integer;   // OPEN_VIRTUAL_DISK_FLAG
  Parameters: Pointer;   // OPEN_VIRTUAL_DISK_PARAMETERS* optional
  Handle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'OpenVirtualDisk';

result := DllCall("VirtDisk\OpenVirtualDisk"
    , "Ptr", VirtualStorageType   ; VIRTUAL_STORAGE_TYPE*
    , "WStr", Path   ; LPCWSTR
    , "Int", VirtualDiskAccessMask   ; VIRTUAL_DISK_ACCESS_MASK
    , "Int", Flags   ; OPEN_VIRTUAL_DISK_FLAG
    , "Ptr", Parameters   ; OPEN_VIRTUAL_DISK_PARAMETERS* optional
    , "Ptr", Handle   ; HANDLE* out
    , "UInt")   ; return: WIN32_ERROR

●OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle) = DLL("VirtDisk.dll", "dword OpenVirtualDisk(void*, char*, int, int, void*, void*)")
# 呼び出し: OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle)
# VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> "void*"
# Path : LPCWSTR -> "char*"
# VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> "int"
# Flags : OPEN_VIRTUAL_DISK_FLAG -> "int"
# Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> "void*"
# Handle : HANDLE* out -> "void*"
# 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 OpenVirtualDisk(
    VirtualStorageType: [*c]VIRTUAL_STORAGE_TYPE, // VIRTUAL_STORAGE_TYPE*
    Path: [*c]const u16, // LPCWSTR
    VirtualDiskAccessMask: i32, // VIRTUAL_DISK_ACCESS_MASK
    Flags: i32, // OPEN_VIRTUAL_DISK_FLAG
    Parameters: [*c]OPEN_VIRTUAL_DISK_PARAMETERS, // OPEN_VIRTUAL_DISK_PARAMETERS* optional
    Handle: ?*anyopaque // HANDLE* out
) callconv(std.os.windows.WINAPI) u32;

proc OpenVirtualDisk(
    VirtualStorageType: ptr VIRTUAL_STORAGE_TYPE,  # VIRTUAL_STORAGE_TYPE*
    Path: WideCString,  # LPCWSTR
    VirtualDiskAccessMask: int32,  # VIRTUAL_DISK_ACCESS_MASK
    Flags: int32,  # OPEN_VIRTUAL_DISK_FLAG
    Parameters: ptr OPEN_VIRTUAL_DISK_PARAMETERS,  # OPEN_VIRTUAL_DISK_PARAMETERS* optional
    Handle: pointer  # HANDLE* out
): uint32 {.importc: "OpenVirtualDisk", stdcall, dynlib: "VirtDisk.dll".}

pragma(lib, "virtdisk");
extern(Windows)
uint OpenVirtualDisk(
    VIRTUAL_STORAGE_TYPE* VirtualStorageType,   // VIRTUAL_STORAGE_TYPE*
    const(wchar)* Path,   // LPCWSTR
    int VirtualDiskAccessMask,   // VIRTUAL_DISK_ACCESS_MASK
    int Flags,   // OPEN_VIRTUAL_DISK_FLAG
    OPEN_VIRTUAL_DISK_PARAMETERS* Parameters,   // OPEN_VIRTUAL_DISK_PARAMETERS* optional
    void* Handle   // HANDLE* out
);

ccall((:OpenVirtualDisk, "VirtDisk.dll"), stdcall, UInt32,
      (Ptr{VIRTUAL_STORAGE_TYPE}, Cwstring, Int32, Int32, Ptr{OPEN_VIRTUAL_DISK_PARAMETERS}, Ptr{Cvoid}),
      VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle)
# VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> Ptr{VIRTUAL_STORAGE_TYPE}
# Path : LPCWSTR -> Cwstring
# VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> Int32
# Flags : OPEN_VIRTUAL_DISK_FLAG -> Int32
# Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> Ptr{OPEN_VIRTUAL_DISK_PARAMETERS}
# Handle : HANDLE* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t OpenVirtualDisk(
    void* VirtualStorageType,
    const uint16_t* Path,
    int32_t VirtualDiskAccessMask,
    int32_t Flags,
    void* Parameters,
    void* Handle);
]]
local virtdisk = ffi.load("virtdisk")
-- virtdisk.OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle)
-- VirtualStorageType : VIRTUAL_STORAGE_TYPE*
-- Path : LPCWSTR
-- VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK
-- Flags : OPEN_VIRTUAL_DISK_FLAG
-- Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional
-- Handle : HANDLE* 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 OpenVirtualDisk = lib.func('__stdcall', 'OpenVirtualDisk', 'uint32_t', ['void *', 'str16', 'int32_t', 'int32_t', 'void *', 'void *']);
// OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle)
// VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> 'void *'
// Path : LPCWSTR -> 'str16'
// VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> 'int32_t'
// Flags : OPEN_VIRTUAL_DISK_FLAG -> 'int32_t'
// Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> 'void *'
// Handle : HANDLE* out -> 'void *'
// 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", {
  OpenVirtualDisk: { parameters: ["pointer", "buffer", "i32", "i32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle)
// VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> "pointer"
// Path : LPCWSTR -> "buffer"
// VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> "i32"
// Flags : OPEN_VIRTUAL_DISK_FLAG -> "i32"
// Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> "pointer"
// Handle : HANDLE* out -> "pointer"
// 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 OpenVirtualDisk(
    void* VirtualStorageType,
    const uint16_t* Path,
    int32_t VirtualDiskAccessMask,
    int32_t Flags,
    void* Parameters,
    void* Handle);
C, "VirtDisk.dll");
// $ffi->OpenVirtualDisk(VirtualStorageType, Path, VirtualDiskAccessMask, Flags, Parameters, Handle);
// VirtualStorageType : VIRTUAL_STORAGE_TYPE*
// Path : LPCWSTR
// VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK
// Flags : OPEN_VIRTUAL_DISK_FLAG
// Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional
// Handle : HANDLE* 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 OpenVirtualDisk(
        Pointer VirtualStorageType,   // VIRTUAL_STORAGE_TYPE*
        WString Path,   // LPCWSTR
        int VirtualDiskAccessMask,   // VIRTUAL_DISK_ACCESS_MASK
        int Flags,   // OPEN_VIRTUAL_DISK_FLAG
        Pointer Parameters,   // OPEN_VIRTUAL_DISK_PARAMETERS* optional
        Pointer Handle   // HANDLE* out
    );
}

@[Link("virtdisk")]
lib LibVirtDisk
  fun OpenVirtualDisk = OpenVirtualDisk(
    VirtualStorageType : VIRTUAL_STORAGE_TYPE*,   # VIRTUAL_STORAGE_TYPE*
    Path : UInt16*,   # LPCWSTR
    VirtualDiskAccessMask : Int32,   # VIRTUAL_DISK_ACCESS_MASK
    Flags : Int32,   # OPEN_VIRTUAL_DISK_FLAG
    Parameters : OPEN_VIRTUAL_DISK_PARAMETERS*,   # OPEN_VIRTUAL_DISK_PARAMETERS* optional
    Handle : Void*   # HANDLE* 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 OpenVirtualDiskNative = Uint32 Function(Pointer<Void>, Pointer<Utf16>, Int32, Int32, Pointer<Void>, Pointer<Void>);
typedef OpenVirtualDiskDart = int Function(Pointer<Void>, Pointer<Utf16>, int, int, Pointer<Void>, Pointer<Void>);
final OpenVirtualDisk = DynamicLibrary.open('VirtDisk.dll')
    .lookupFunction<OpenVirtualDiskNative, OpenVirtualDiskDart>('OpenVirtualDisk');
// VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> Pointer<Void>
// Path : LPCWSTR -> Pointer<Utf16>
// VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> Int32
// Flags : OPEN_VIRTUAL_DISK_FLAG -> Int32
// Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> Pointer<Void>
// Handle : HANDLE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function OpenVirtualDisk(
  VirtualStorageType: Pointer;   // VIRTUAL_STORAGE_TYPE*
  Path: PWideChar;   // LPCWSTR
  VirtualDiskAccessMask: Integer;   // VIRTUAL_DISK_ACCESS_MASK
  Flags: Integer;   // OPEN_VIRTUAL_DISK_FLAG
  Parameters: Pointer;   // OPEN_VIRTUAL_DISK_PARAMETERS* optional
  Handle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'OpenVirtualDisk';

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

foreign import stdcall safe "OpenVirtualDisk"
  c_OpenVirtualDisk :: Ptr () -> CWString -> Int32 -> Int32 -> Ptr () -> Ptr () -> IO Word32
-- VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> Ptr ()
-- Path : LPCWSTR -> CWString
-- VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> Int32
-- Flags : OPEN_VIRTUAL_DISK_FLAG -> Int32
-- Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> Ptr ()
-- Handle : HANDLE* out -> Ptr ()
-- 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 openvirtualdisk =
  foreign "OpenVirtualDisk"
    ((ptr void) @-> (ptr uint16_t) @-> int32_t @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> (ptr void) *)
(* Path : LPCWSTR -> (ptr uint16_t) *)
(* VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> int32_t *)
(* Flags : OPEN_VIRTUAL_DISK_FLAG -> int32_t *)
(* Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> (ptr void) *)
(* Handle : HANDLE* out -> (ptr void) *)
(* 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 ("OpenVirtualDisk" open-virtual-disk :convention :stdcall) :uint32
  (virtual-storage-type :pointer)   ; VIRTUAL_STORAGE_TYPE*
  (path (:string :encoding :utf-16le))   ; LPCWSTR
  (virtual-disk-access-mask :int32)   ; VIRTUAL_DISK_ACCESS_MASK
  (flags :int32)   ; OPEN_VIRTUAL_DISK_FLAG
  (parameters :pointer)   ; OPEN_VIRTUAL_DISK_PARAMETERS* optional
  (handle :pointer))   ; HANDLE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $OpenVirtualDisk = Win32::API::More->new('VirtDisk',
    'DWORD OpenVirtualDisk(LPVOID VirtualStorageType, LPCWSTR Path, int VirtualDiskAccessMask, int Flags, LPVOID Parameters, HANDLE Handle)');
# my $ret = $OpenVirtualDisk->Call($VirtualStorageType, $Path, $VirtualDiskAccessMask, $Flags, $Parameters, $Handle);
# VirtualStorageType : VIRTUAL_STORAGE_TYPE* -> LPVOID
# Path : LPCWSTR -> LPCWSTR
# VirtualDiskAccessMask : VIRTUAL_DISK_ACCESS_MASK -> int
# Flags : OPEN_VIRTUAL_DISK_FLAG -> int
# Parameters : OPEN_VIRTUAL_DISK_PARAMETERS* optional -> LPVOID
# Handle : HANDLE* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。