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AttachVirtualDisk

関数
仮想ディスクをシステムに接続してマウントする。
DLLVirtDisk.dll呼出規約winapi対応OSWindows 7 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

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

WIN32_ERROR AttachVirtualDisk(
    HANDLE VirtualDiskHandle,
    PSECURITY_DESCRIPTOR SecurityDescriptor,   // optional
    ATTACH_VIRTUAL_DISK_FLAG Flags,
    DWORD ProviderSpecificFlags,
    ATTACH_VIRTUAL_DISK_PARAMETERS* Parameters,   // optional
    OVERLAPPED* Overlapped   // optional
);

パラメーター

名前型方向説明
VirtualDiskHandleHANDLEinアタッチ対象の、開かれた仮想ディスクのハンドル。
SecurityDescriptorPSECURITY_DESCRIPTORinoptionalアタッチされたディスクに適用するセキュリティ記述子。NULLで既定。
FlagsATTACH_VIRTUAL_DISK_FLAGinアタッチ動作を制御するATTACH_VIRTUAL_DISK_FLAGフラグ(読み取り専用/永続化等)。
ProviderSpecificFlagsDWORDinストレージプロバイダ固有のフラグ。通常0。
ParametersATTACH_VIRTUAL_DISK_PARAMETERS*inoptionalバージョン等の追加アタッチパラメータを格納したATTACH_VIRTUAL_DISK_PARAMETERS構造体へのポインタ。NULL可。
OverlappedOVERLAPPED*inoptional非同期実行用のOVERLAPPED構造体へのポインタ。同期実行ならNULL。

戻り値の型: WIN32_ERROR

各言語での呼び出し定義

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

WIN32_ERROR AttachVirtualDisk(
    HANDLE VirtualDiskHandle,
    PSECURITY_DESCRIPTOR SecurityDescriptor,   // optional
    ATTACH_VIRTUAL_DISK_FLAG Flags,
    DWORD ProviderSpecificFlags,
    ATTACH_VIRTUAL_DISK_PARAMETERS* Parameters,   // optional
    OVERLAPPED* Overlapped   // optional
);
[DllImport("VirtDisk.dll", ExactSpelling = true)]
static extern uint AttachVirtualDisk(
    IntPtr VirtualDiskHandle,   // HANDLE
    IntPtr SecurityDescriptor,   // PSECURITY_DESCRIPTOR optional
    int Flags,   // ATTACH_VIRTUAL_DISK_FLAG
    uint ProviderSpecificFlags,   // DWORD
    IntPtr Parameters,   // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    IntPtr Overlapped   // OVERLAPPED* optional
);
<DllImport("VirtDisk.dll", ExactSpelling:=True)>
Public Shared Function AttachVirtualDisk(
    VirtualDiskHandle As IntPtr,   ' HANDLE
    SecurityDescriptor As IntPtr,   ' PSECURITY_DESCRIPTOR optional
    Flags As Integer,   ' ATTACH_VIRTUAL_DISK_FLAG
    ProviderSpecificFlags As UInteger,   ' DWORD
    Parameters As IntPtr,   ' ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    Overlapped As IntPtr   ' OVERLAPPED* optional
) As UInteger
End Function
' VirtualDiskHandle : HANDLE
' SecurityDescriptor : PSECURITY_DESCRIPTOR optional
' Flags : ATTACH_VIRTUAL_DISK_FLAG
' ProviderSpecificFlags : DWORD
' Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional
' Overlapped : OVERLAPPED* optional
Declare PtrSafe Function AttachVirtualDisk Lib "virtdisk" ( _
    ByVal VirtualDiskHandle As LongPtr, _
    ByVal SecurityDescriptor As LongPtr, _
    ByVal Flags As Long, _
    ByVal ProviderSpecificFlags As Long, _
    ByVal Parameters As LongPtr, _
    ByVal Overlapped 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

AttachVirtualDisk = ctypes.windll.virtdisk.AttachVirtualDisk
AttachVirtualDisk.restype = wintypes.DWORD
AttachVirtualDisk.argtypes = [
    wintypes.HANDLE,  # VirtualDiskHandle : HANDLE
    wintypes.HANDLE,  # SecurityDescriptor : PSECURITY_DESCRIPTOR optional
    ctypes.c_int,  # Flags : ATTACH_VIRTUAL_DISK_FLAG
    wintypes.DWORD,  # ProviderSpecificFlags : DWORD
    ctypes.c_void_p,  # Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    ctypes.c_void_p,  # Overlapped : OVERLAPPED* optional
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VirtDisk.dll')
AttachVirtualDisk = Fiddle::Function.new(
  lib['AttachVirtualDisk'],
  [
    Fiddle::TYPE_VOIDP,  # VirtualDiskHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # SecurityDescriptor : PSECURITY_DESCRIPTOR optional
    Fiddle::TYPE_INT,  # Flags : ATTACH_VIRTUAL_DISK_FLAG
    -Fiddle::TYPE_INT,  # ProviderSpecificFlags : DWORD
    Fiddle::TYPE_VOIDP,  # Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    Fiddle::TYPE_VOIDP,  # Overlapped : OVERLAPPED* optional
  ],
  -Fiddle::TYPE_INT)
#[link(name = "virtdisk")]
extern "system" {
    fn AttachVirtualDisk(
        VirtualDiskHandle: *mut core::ffi::c_void,  // HANDLE
        SecurityDescriptor: *mut core::ffi::c_void,  // PSECURITY_DESCRIPTOR optional
        Flags: i32,  // ATTACH_VIRTUAL_DISK_FLAG
        ProviderSpecificFlags: u32,  // DWORD
        Parameters: *mut ATTACH_VIRTUAL_DISK_PARAMETERS,  // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
        Overlapped: *mut OVERLAPPED  // OVERLAPPED* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("VirtDisk.dll")]
public static extern uint AttachVirtualDisk(IntPtr VirtualDiskHandle, IntPtr SecurityDescriptor, int Flags, uint ProviderSpecificFlags, IntPtr Parameters, IntPtr Overlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VirtDisk_AttachVirtualDisk' -Namespace Win32 -PassThru
# $api::AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
#uselib "VirtDisk.dll"
#func global AttachVirtualDisk "AttachVirtualDisk" sptr, sptr, sptr, sptr, sptr, sptr
; AttachVirtualDisk VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, varptr(Parameters), varptr(Overlapped)   ; 戻り値は stat
; VirtualDiskHandle : HANDLE -> "sptr"
; SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> "sptr"
; Flags : ATTACH_VIRTUAL_DISK_FLAG -> "sptr"
; ProviderSpecificFlags : DWORD -> "sptr"
; Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> "sptr"
; Overlapped : OVERLAPPED* optional -> "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。
出力引数: 
#uselib "VirtDisk.dll"
#cfunc global AttachVirtualDisk "AttachVirtualDisk" sptr, sptr, int, int, var, var
; res = AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
; VirtualDiskHandle : HANDLE -> "sptr"
; SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> "sptr"
; Flags : ATTACH_VIRTUAL_DISK_FLAG -> "int"
; ProviderSpecificFlags : DWORD -> "int"
; Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> "var"
; Overlapped : OVERLAPPED* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; WIN32_ERROR AttachVirtualDisk(HANDLE VirtualDiskHandle, PSECURITY_DESCRIPTOR SecurityDescriptor, ATTACH_VIRTUAL_DISK_FLAG Flags, DWORD ProviderSpecificFlags, ATTACH_VIRTUAL_DISK_PARAMETERS* Parameters, OVERLAPPED* Overlapped)
#uselib "VirtDisk.dll"
#cfunc global AttachVirtualDisk "AttachVirtualDisk" intptr, intptr, int, int, var, var
; res = AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
; VirtualDiskHandle : HANDLE -> "intptr"
; SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> "intptr"
; Flags : ATTACH_VIRTUAL_DISK_FLAG -> "int"
; ProviderSpecificFlags : DWORD -> "int"
; Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> "var"
; Overlapped : OVERLAPPED* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	virtdisk = windows.NewLazySystemDLL("VirtDisk.dll")
	procAttachVirtualDisk = virtdisk.NewProc("AttachVirtualDisk")
)

// VirtualDiskHandle (HANDLE), SecurityDescriptor (PSECURITY_DESCRIPTOR optional), Flags (ATTACH_VIRTUAL_DISK_FLAG), ProviderSpecificFlags (DWORD), Parameters (ATTACH_VIRTUAL_DISK_PARAMETERS* optional), Overlapped (OVERLAPPED* optional)
r1, _, err := procAttachVirtualDisk.Call(
	uintptr(VirtualDiskHandle),
	uintptr(SecurityDescriptor),
	uintptr(Flags),
	uintptr(ProviderSpecificFlags),
	uintptr(Parameters),
	uintptr(Overlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR
function AttachVirtualDisk(
  VirtualDiskHandle: THandle;   // HANDLE
  SecurityDescriptor: THandle;   // PSECURITY_DESCRIPTOR optional
  Flags: Integer;   // ATTACH_VIRTUAL_DISK_FLAG
  ProviderSpecificFlags: DWORD;   // DWORD
  Parameters: Pointer;   // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
  Overlapped: Pointer   // OVERLAPPED* optional
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'AttachVirtualDisk';
result := DllCall("VirtDisk\AttachVirtualDisk"
    , "Ptr", VirtualDiskHandle   ; HANDLE
    , "Ptr", SecurityDescriptor   ; PSECURITY_DESCRIPTOR optional
    , "Int", Flags   ; ATTACH_VIRTUAL_DISK_FLAG
    , "UInt", ProviderSpecificFlags   ; DWORD
    , "Ptr", Parameters   ; ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    , "Ptr", Overlapped   ; OVERLAPPED* optional
    , "UInt")   ; return: WIN32_ERROR
●AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped) = DLL("VirtDisk.dll", "dword AttachVirtualDisk(void*, void*, int, dword, void*, void*)")
# 呼び出し: AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
# VirtualDiskHandle : HANDLE -> "void*"
# SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> "void*"
# Flags : ATTACH_VIRTUAL_DISK_FLAG -> "int"
# ProviderSpecificFlags : DWORD -> "dword"
# Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> "void*"
# Overlapped : OVERLAPPED* optional -> "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 AttachVirtualDisk(
    VirtualDiskHandle: ?*anyopaque, // HANDLE
    SecurityDescriptor: ?*anyopaque, // PSECURITY_DESCRIPTOR optional
    Flags: i32, // ATTACH_VIRTUAL_DISK_FLAG
    ProviderSpecificFlags: u32, // DWORD
    Parameters: [*c]ATTACH_VIRTUAL_DISK_PARAMETERS, // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    Overlapped: [*c]OVERLAPPED // OVERLAPPED* optional
) callconv(std.os.windows.WINAPI) u32;
proc AttachVirtualDisk(
    VirtualDiskHandle: pointer,  # HANDLE
    SecurityDescriptor: pointer,  # PSECURITY_DESCRIPTOR optional
    Flags: int32,  # ATTACH_VIRTUAL_DISK_FLAG
    ProviderSpecificFlags: uint32,  # DWORD
    Parameters: ptr ATTACH_VIRTUAL_DISK_PARAMETERS,  # ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    Overlapped: ptr OVERLAPPED  # OVERLAPPED* optional
): uint32 {.importc: "AttachVirtualDisk", stdcall, dynlib: "VirtDisk.dll".}
pragma(lib, "virtdisk");
extern(Windows)
uint AttachVirtualDisk(
    void* VirtualDiskHandle,   // HANDLE
    void* SecurityDescriptor,   // PSECURITY_DESCRIPTOR optional
    int Flags,   // ATTACH_VIRTUAL_DISK_FLAG
    uint ProviderSpecificFlags,   // DWORD
    ATTACH_VIRTUAL_DISK_PARAMETERS* Parameters,   // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    OVERLAPPED* Overlapped   // OVERLAPPED* optional
);
ccall((:AttachVirtualDisk, "VirtDisk.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Int32, UInt32, Ptr{ATTACH_VIRTUAL_DISK_PARAMETERS}, Ptr{OVERLAPPED}),
      VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
# VirtualDiskHandle : HANDLE -> Ptr{Cvoid}
# SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> Ptr{Cvoid}
# Flags : ATTACH_VIRTUAL_DISK_FLAG -> Int32
# ProviderSpecificFlags : DWORD -> UInt32
# Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> Ptr{ATTACH_VIRTUAL_DISK_PARAMETERS}
# Overlapped : OVERLAPPED* optional -> Ptr{OVERLAPPED}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t AttachVirtualDisk(
    void* VirtualDiskHandle,
    void* SecurityDescriptor,
    int32_t Flags,
    uint32_t ProviderSpecificFlags,
    void* Parameters,
    void* Overlapped);
]]
local virtdisk = ffi.load("virtdisk")
-- virtdisk.AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
-- VirtualDiskHandle : HANDLE
-- SecurityDescriptor : PSECURITY_DESCRIPTOR optional
-- Flags : ATTACH_VIRTUAL_DISK_FLAG
-- ProviderSpecificFlags : DWORD
-- Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional
-- Overlapped : OVERLAPPED* optional
-- 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 AttachVirtualDisk = lib.func('__stdcall', 'AttachVirtualDisk', 'uint32_t', ['void *', 'void *', 'int32_t', 'uint32_t', 'void *', 'void *']);
// AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
// VirtualDiskHandle : HANDLE -> 'void *'
// SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> 'void *'
// Flags : ATTACH_VIRTUAL_DISK_FLAG -> 'int32_t'
// ProviderSpecificFlags : DWORD -> 'uint32_t'
// Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> 'void *'
// Overlapped : OVERLAPPED* optional -> '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", {
  AttachVirtualDisk: { parameters: ["pointer", "pointer", "i32", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped)
// VirtualDiskHandle : HANDLE -> "pointer"
// SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> "pointer"
// Flags : ATTACH_VIRTUAL_DISK_FLAG -> "i32"
// ProviderSpecificFlags : DWORD -> "u32"
// Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> "pointer"
// Overlapped : OVERLAPPED* optional -> "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 AttachVirtualDisk(
    void* VirtualDiskHandle,
    void* SecurityDescriptor,
    int32_t Flags,
    uint32_t ProviderSpecificFlags,
    void* Parameters,
    void* Overlapped);
C, "VirtDisk.dll");
// $ffi->AttachVirtualDisk(VirtualDiskHandle, SecurityDescriptor, Flags, ProviderSpecificFlags, Parameters, Overlapped);
// VirtualDiskHandle : HANDLE
// SecurityDescriptor : PSECURITY_DESCRIPTOR optional
// Flags : ATTACH_VIRTUAL_DISK_FLAG
// ProviderSpecificFlags : DWORD
// Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional
// Overlapped : OVERLAPPED* optional
// 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 AttachVirtualDisk(
        Pointer VirtualDiskHandle,   // HANDLE
        Pointer SecurityDescriptor,   // PSECURITY_DESCRIPTOR optional
        int Flags,   // ATTACH_VIRTUAL_DISK_FLAG
        int ProviderSpecificFlags,   // DWORD
        Pointer Parameters,   // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
        Pointer Overlapped   // OVERLAPPED* optional
    );
}
@[Link("virtdisk")]
lib LibVirtDisk
  fun AttachVirtualDisk = AttachVirtualDisk(
    VirtualDiskHandle : Void*,   # HANDLE
    SecurityDescriptor : Void*,   # PSECURITY_DESCRIPTOR optional
    Flags : Int32,   # ATTACH_VIRTUAL_DISK_FLAG
    ProviderSpecificFlags : UInt32,   # DWORD
    Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS*,   # ATTACH_VIRTUAL_DISK_PARAMETERS* optional
    Overlapped : OVERLAPPED*   # OVERLAPPED* optional
  ) : 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 AttachVirtualDiskNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Int32, Uint32, Pointer<Void>, Pointer<Void>);
typedef AttachVirtualDiskDart = int Function(Pointer<Void>, Pointer<Void>, int, int, Pointer<Void>, Pointer<Void>);
final AttachVirtualDisk = DynamicLibrary.open('VirtDisk.dll')
    .lookupFunction<AttachVirtualDiskNative, AttachVirtualDiskDart>('AttachVirtualDisk');
// VirtualDiskHandle : HANDLE -> Pointer<Void>
// SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> Pointer<Void>
// Flags : ATTACH_VIRTUAL_DISK_FLAG -> Int32
// ProviderSpecificFlags : DWORD -> Uint32
// Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> Pointer<Void>
// Overlapped : OVERLAPPED* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function AttachVirtualDisk(
  VirtualDiskHandle: THandle;   // HANDLE
  SecurityDescriptor: THandle;   // PSECURITY_DESCRIPTOR optional
  Flags: Integer;   // ATTACH_VIRTUAL_DISK_FLAG
  ProviderSpecificFlags: DWORD;   // DWORD
  Parameters: Pointer;   // ATTACH_VIRTUAL_DISK_PARAMETERS* optional
  Overlapped: Pointer   // OVERLAPPED* optional
): DWORD; stdcall;
  external 'VirtDisk.dll' name 'AttachVirtualDisk';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "AttachVirtualDisk"
  c_AttachVirtualDisk :: Ptr () -> Ptr () -> Int32 -> Word32 -> Ptr () -> Ptr () -> IO Word32
-- VirtualDiskHandle : HANDLE -> Ptr ()
-- SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> Ptr ()
-- Flags : ATTACH_VIRTUAL_DISK_FLAG -> Int32
-- ProviderSpecificFlags : DWORD -> Word32
-- Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> Ptr ()
-- Overlapped : OVERLAPPED* optional -> 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 attachvirtualdisk =
  foreign "AttachVirtualDisk"
    ((ptr void) @-> (ptr void) @-> int32_t @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* VirtualDiskHandle : HANDLE -> (ptr void) *)
(* SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> (ptr void) *)
(* Flags : ATTACH_VIRTUAL_DISK_FLAG -> int32_t *)
(* ProviderSpecificFlags : DWORD -> uint32_t *)
(* Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> (ptr void) *)
(* Overlapped : OVERLAPPED* optional -> (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 ("AttachVirtualDisk" attach-virtual-disk :convention :stdcall) :uint32
  (virtual-disk-handle :pointer)   ; HANDLE
  (security-descriptor :pointer)   ; PSECURITY_DESCRIPTOR optional
  (flags :int32)   ; ATTACH_VIRTUAL_DISK_FLAG
  (provider-specific-flags :uint32)   ; DWORD
  (parameters :pointer)   ; ATTACH_VIRTUAL_DISK_PARAMETERS* optional
  (overlapped :pointer))   ; OVERLAPPED* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $AttachVirtualDisk = Win32::API::More->new('VirtDisk',
    'DWORD AttachVirtualDisk(HANDLE VirtualDiskHandle, HANDLE SecurityDescriptor, int Flags, DWORD ProviderSpecificFlags, LPVOID Parameters, LPVOID Overlapped)');
# my $ret = $AttachVirtualDisk->Call($VirtualDiskHandle, $SecurityDescriptor, $Flags, $ProviderSpecificFlags, $Parameters, $Overlapped);
# VirtualDiskHandle : HANDLE -> HANDLE
# SecurityDescriptor : PSECURITY_DESCRIPTOR optional -> HANDLE
# Flags : ATTACH_VIRTUAL_DISK_FLAG -> int
# ProviderSpecificFlags : DWORD -> DWORD
# Parameters : ATTACH_VIRTUAL_DISK_PARAMETERS* optional -> LPVOID
# Overlapped : OVERLAPPED* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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