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HcsInitializeLegacyWritableLayer

関数
従来形式の書き込み可能レイヤーを初期化する。
DLLcomputestorage.dll呼出規約winapi

シグネチャ

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

HRESULT HcsInitializeLegacyWritableLayer(
    LPCWSTR writableLayerMountPath,
    LPCWSTR writableLayerFolderPath,
    LPCWSTR layerData,
    LPCWSTR options   // optional
);

パラメーター

名前方向説明
writableLayerMountPathLPCWSTRin書き込み可能レイヤーのマウントパス文字列。
writableLayerFolderPathLPCWSTRin書き込み可能レイヤーのフォルダパス文字列。
layerDataLPCWSTRin親レイヤー情報等を記述したJSON形式のレイヤーデータ文字列。
optionsLPCWSTRinoptional初期化動作の追加オプションを記述したJSON文字列。NULL可。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT HcsInitializeLegacyWritableLayer(
    LPCWSTR writableLayerMountPath,
    LPCWSTR writableLayerFolderPath,
    LPCWSTR layerData,
    LPCWSTR options   // optional
);
[DllImport("computestorage.dll", ExactSpelling = true)]
static extern int HcsInitializeLegacyWritableLayer(
    [MarshalAs(UnmanagedType.LPWStr)] string writableLayerMountPath,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string writableLayerFolderPath,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string layerData,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string options   // LPCWSTR optional
);
<DllImport("computestorage.dll", ExactSpelling:=True)>
Public Shared Function HcsInitializeLegacyWritableLayer(
    <MarshalAs(UnmanagedType.LPWStr)> writableLayerMountPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> writableLayerFolderPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> layerData As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> options As String   ' LPCWSTR optional
) As Integer
End Function
' writableLayerMountPath : LPCWSTR
' writableLayerFolderPath : LPCWSTR
' layerData : LPCWSTR
' options : LPCWSTR optional
Declare PtrSafe Function HcsInitializeLegacyWritableLayer Lib "computestorage" ( _
    ByVal writableLayerMountPath As LongPtr, _
    ByVal writableLayerFolderPath As LongPtr, _
    ByVal layerData As LongPtr, _
    ByVal options 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

HcsInitializeLegacyWritableLayer = ctypes.windll.computestorage.HcsInitializeLegacyWritableLayer
HcsInitializeLegacyWritableLayer.restype = ctypes.c_int
HcsInitializeLegacyWritableLayer.argtypes = [
    wintypes.LPCWSTR,  # writableLayerMountPath : LPCWSTR
    wintypes.LPCWSTR,  # writableLayerFolderPath : LPCWSTR
    wintypes.LPCWSTR,  # layerData : LPCWSTR
    wintypes.LPCWSTR,  # options : LPCWSTR optional
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computestorage.dll')
HcsInitializeLegacyWritableLayer = Fiddle::Function.new(
  lib['HcsInitializeLegacyWritableLayer'],
  [
    Fiddle::TYPE_VOIDP,  # writableLayerMountPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # writableLayerFolderPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # layerData : LPCWSTR
    Fiddle::TYPE_VOIDP,  # options : LPCWSTR optional
  ],
  Fiddle::TYPE_INT)
#[link(name = "computestorage")]
extern "system" {
    fn HcsInitializeLegacyWritableLayer(
        writableLayerMountPath: *const u16,  // LPCWSTR
        writableLayerFolderPath: *const u16,  // LPCWSTR
        layerData: *const u16,  // LPCWSTR
        options: *const u16  // LPCWSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("computestorage.dll")]
public static extern int HcsInitializeLegacyWritableLayer([MarshalAs(UnmanagedType.LPWStr)] string writableLayerMountPath, [MarshalAs(UnmanagedType.LPWStr)] string writableLayerFolderPath, [MarshalAs(UnmanagedType.LPWStr)] string layerData, [MarshalAs(UnmanagedType.LPWStr)] string options);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computestorage_HcsInitializeLegacyWritableLayer' -Namespace Win32 -PassThru
# $api::HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
#uselib "computestorage.dll"
#func global HcsInitializeLegacyWritableLayer "HcsInitializeLegacyWritableLayer" sptr, sptr, sptr, sptr
; HcsInitializeLegacyWritableLayer writableLayerMountPath, writableLayerFolderPath, layerData, options   ; 戻り値は stat
; writableLayerMountPath : LPCWSTR -> "sptr"
; writableLayerFolderPath : LPCWSTR -> "sptr"
; layerData : LPCWSTR -> "sptr"
; options : LPCWSTR 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。
#uselib "computestorage.dll"
#cfunc global HcsInitializeLegacyWritableLayer "HcsInitializeLegacyWritableLayer" wstr, wstr, wstr, wstr
; res = HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
; writableLayerMountPath : LPCWSTR -> "wstr"
; writableLayerFolderPath : LPCWSTR -> "wstr"
; layerData : LPCWSTR -> "wstr"
; options : LPCWSTR optional -> "wstr"
; HRESULT HcsInitializeLegacyWritableLayer(LPCWSTR writableLayerMountPath, LPCWSTR writableLayerFolderPath, LPCWSTR layerData, LPCWSTR options)
#uselib "computestorage.dll"
#cfunc global HcsInitializeLegacyWritableLayer "HcsInitializeLegacyWritableLayer" wstr, wstr, wstr, wstr
; res = HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
; writableLayerMountPath : LPCWSTR -> "wstr"
; writableLayerFolderPath : LPCWSTR -> "wstr"
; layerData : LPCWSTR -> "wstr"
; options : LPCWSTR optional -> "wstr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	computestorage = windows.NewLazySystemDLL("computestorage.dll")
	procHcsInitializeLegacyWritableLayer = computestorage.NewProc("HcsInitializeLegacyWritableLayer")
)

// writableLayerMountPath (LPCWSTR), writableLayerFolderPath (LPCWSTR), layerData (LPCWSTR), options (LPCWSTR optional)
r1, _, err := procHcsInitializeLegacyWritableLayer.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(writableLayerMountPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(writableLayerFolderPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(layerData))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(options))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function HcsInitializeLegacyWritableLayer(
  writableLayerMountPath: PWideChar;   // LPCWSTR
  writableLayerFolderPath: PWideChar;   // LPCWSTR
  layerData: PWideChar;   // LPCWSTR
  options: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'computestorage.dll' name 'HcsInitializeLegacyWritableLayer';
result := DllCall("computestorage\HcsInitializeLegacyWritableLayer"
    , "WStr", writableLayerMountPath   ; LPCWSTR
    , "WStr", writableLayerFolderPath   ; LPCWSTR
    , "WStr", layerData   ; LPCWSTR
    , "WStr", options   ; LPCWSTR optional
    , "Int")   ; return: HRESULT
●HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options) = DLL("computestorage.dll", "int HcsInitializeLegacyWritableLayer(char*, char*, char*, char*)")
# 呼び出し: HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
# writableLayerMountPath : LPCWSTR -> "char*"
# writableLayerFolderPath : LPCWSTR -> "char*"
# layerData : LPCWSTR -> "char*"
# options : LPCWSTR optional -> "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 "computestorage" fn HcsInitializeLegacyWritableLayer(
    writableLayerMountPath: [*c]const u16, // LPCWSTR
    writableLayerFolderPath: [*c]const u16, // LPCWSTR
    layerData: [*c]const u16, // LPCWSTR
    options: [*c]const u16 // LPCWSTR optional
) callconv(std.os.windows.WINAPI) i32;
proc HcsInitializeLegacyWritableLayer(
    writableLayerMountPath: WideCString,  # LPCWSTR
    writableLayerFolderPath: WideCString,  # LPCWSTR
    layerData: WideCString,  # LPCWSTR
    options: WideCString  # LPCWSTR optional
): int32 {.importc: "HcsInitializeLegacyWritableLayer", stdcall, dynlib: "computestorage.dll".}
pragma(lib, "computestorage");
extern(Windows)
int HcsInitializeLegacyWritableLayer(
    const(wchar)* writableLayerMountPath,   // LPCWSTR
    const(wchar)* writableLayerFolderPath,   // LPCWSTR
    const(wchar)* layerData,   // LPCWSTR
    const(wchar)* options   // LPCWSTR optional
);
ccall((:HcsInitializeLegacyWritableLayer, "computestorage.dll"), stdcall, Int32,
      (Cwstring, Cwstring, Cwstring, Cwstring),
      writableLayerMountPath, writableLayerFolderPath, layerData, options)
# writableLayerMountPath : LPCWSTR -> Cwstring
# writableLayerFolderPath : LPCWSTR -> Cwstring
# layerData : LPCWSTR -> Cwstring
# options : LPCWSTR optional -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t HcsInitializeLegacyWritableLayer(
    const uint16_t* writableLayerMountPath,
    const uint16_t* writableLayerFolderPath,
    const uint16_t* layerData,
    const uint16_t* options);
]]
local computestorage = ffi.load("computestorage")
-- computestorage.HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
-- writableLayerMountPath : LPCWSTR
-- writableLayerFolderPath : LPCWSTR
-- layerData : LPCWSTR
-- options : LPCWSTR 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('computestorage.dll');
const HcsInitializeLegacyWritableLayer = lib.func('__stdcall', 'HcsInitializeLegacyWritableLayer', 'int32_t', ['str16', 'str16', 'str16', 'str16']);
// HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
// writableLayerMountPath : LPCWSTR -> 'str16'
// writableLayerFolderPath : LPCWSTR -> 'str16'
// layerData : LPCWSTR -> 'str16'
// options : LPCWSTR optional -> 'str16'
// 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("computestorage.dll", {
  HcsInitializeLegacyWritableLayer: { parameters: ["buffer", "buffer", "buffer", "buffer"], result: "i32" },
});
// lib.symbols.HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options)
// writableLayerMountPath : LPCWSTR -> "buffer"
// writableLayerFolderPath : LPCWSTR -> "buffer"
// layerData : LPCWSTR -> "buffer"
// options : LPCWSTR optional -> "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
int32_t HcsInitializeLegacyWritableLayer(
    const uint16_t* writableLayerMountPath,
    const uint16_t* writableLayerFolderPath,
    const uint16_t* layerData,
    const uint16_t* options);
C, "computestorage.dll");
// $ffi->HcsInitializeLegacyWritableLayer(writableLayerMountPath, writableLayerFolderPath, layerData, options);
// writableLayerMountPath : LPCWSTR
// writableLayerFolderPath : LPCWSTR
// layerData : LPCWSTR
// options : LPCWSTR 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 Computestorage extends StdCallLibrary {
    Computestorage INSTANCE = Native.load("computestorage", Computestorage.class);
    int HcsInitializeLegacyWritableLayer(
        WString writableLayerMountPath,   // LPCWSTR
        WString writableLayerFolderPath,   // LPCWSTR
        WString layerData,   // LPCWSTR
        WString options   // LPCWSTR optional
    );
}
@[Link("computestorage")]
lib Libcomputestorage
  fun HcsInitializeLegacyWritableLayer = HcsInitializeLegacyWritableLayer(
    writableLayerMountPath : UInt16*,   # LPCWSTR
    writableLayerFolderPath : UInt16*,   # LPCWSTR
    layerData : UInt16*,   # LPCWSTR
    options : UInt16*   # LPCWSTR optional
  ) : Int32
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 HcsInitializeLegacyWritableLayerNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>);
typedef HcsInitializeLegacyWritableLayerDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>);
final HcsInitializeLegacyWritableLayer = DynamicLibrary.open('computestorage.dll')
    .lookupFunction<HcsInitializeLegacyWritableLayerNative, HcsInitializeLegacyWritableLayerDart>('HcsInitializeLegacyWritableLayer');
// writableLayerMountPath : LPCWSTR -> Pointer<Utf16>
// writableLayerFolderPath : LPCWSTR -> Pointer<Utf16>
// layerData : LPCWSTR -> Pointer<Utf16>
// options : LPCWSTR optional -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function HcsInitializeLegacyWritableLayer(
  writableLayerMountPath: PWideChar;   // LPCWSTR
  writableLayerFolderPath: PWideChar;   // LPCWSTR
  layerData: PWideChar;   // LPCWSTR
  options: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'computestorage.dll' name 'HcsInitializeLegacyWritableLayer';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "HcsInitializeLegacyWritableLayer"
  c_HcsInitializeLegacyWritableLayer :: CWString -> CWString -> CWString -> CWString -> IO Int32
-- writableLayerMountPath : LPCWSTR -> CWString
-- writableLayerFolderPath : LPCWSTR -> CWString
-- layerData : LPCWSTR -> CWString
-- options : LPCWSTR optional -> 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 hcsinitializelegacywritablelayer =
  foreign "HcsInitializeLegacyWritableLayer"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning int32_t)
(* writableLayerMountPath : LPCWSTR -> (ptr uint16_t) *)
(* writableLayerFolderPath : LPCWSTR -> (ptr uint16_t) *)
(* layerData : LPCWSTR -> (ptr uint16_t) *)
(* options : LPCWSTR optional -> (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 computestorage (t "computestorage.dll"))
(cffi:use-foreign-library computestorage)

(cffi:defcfun ("HcsInitializeLegacyWritableLayer" hcs-initialize-legacy-writable-layer :convention :stdcall) :int32
  (writable-layer-mount-path (:string :encoding :utf-16le))   ; LPCWSTR
  (writable-layer-folder-path (:string :encoding :utf-16le))   ; LPCWSTR
  (layer-data (:string :encoding :utf-16le))   ; LPCWSTR
  (options (:string :encoding :utf-16le)))   ; LPCWSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $HcsInitializeLegacyWritableLayer = Win32::API::More->new('computestorage',
    'int HcsInitializeLegacyWritableLayer(LPCWSTR writableLayerMountPath, LPCWSTR writableLayerFolderPath, LPCWSTR layerData, LPCWSTR options)');
# my $ret = $HcsInitializeLegacyWritableLayer->Call($writableLayerMountPath, $writableLayerFolderPath, $layerData, $options);
# writableLayerMountPath : LPCWSTR -> LPCWSTR
# writableLayerFolderPath : LPCWSTR -> LPCWSTR
# layerData : LPCWSTR -> LPCWSTR
# options : LPCWSTR optional -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。