ホーム › Networking.Clustering › ClusterRegQueryInfoKey
ClusterRegQueryInfoKey
関数クラスタレジストリキーのサブキー数や値数などの情報を取得する。
シグネチャ
// CLUSAPI.dll
#include <windows.h>
INT ClusterRegQueryInfoKey(
HKEY hKey,
DWORD* lpcSubKeys,
DWORD* lpcchMaxSubKeyLen,
DWORD* lpcValues,
DWORD* lpcchMaxValueNameLen,
DWORD* lpcbMaxValueLen,
DWORD* lpcbSecurityDescriptor,
FILETIME* lpftLastWriteTime
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hKey | HKEY | in | 情報を照会する対象の開いているクラスターレジストリキー。 |
| lpcSubKeys | DWORD* | in | サブキー数を受け取るDWORDポインタ。NULL可。 |
| lpcchMaxSubKeyLen | DWORD* | in | 最長サブキー名の文字数を受け取るDWORDポインタ。NULL可。 |
| lpcValues | DWORD* | in | 値の数を受け取るDWORDポインタ。NULL可。 |
| lpcchMaxValueNameLen | DWORD* | in | 最長値名の文字数を受け取るDWORDポインタ。NULL可。 |
| lpcbMaxValueLen | DWORD* | in | 最大値データのバイト数を受け取るDWORDポインタ。NULL可。 |
| lpcbSecurityDescriptor | DWORD* | in | セキュリティ記述子のバイト数を受け取るDWORDポインタ。NULL可。 |
| lpftLastWriteTime | FILETIME* | in | キーの最終書き込み時刻を受け取るFILETIMEポインタ。NULL可。 |
戻り値の型: INT
各言語での呼び出し定義
// CLUSAPI.dll
#include <windows.h>
INT ClusterRegQueryInfoKey(
HKEY hKey,
DWORD* lpcSubKeys,
DWORD* lpcchMaxSubKeyLen,
DWORD* lpcValues,
DWORD* lpcchMaxValueNameLen,
DWORD* lpcbMaxValueLen,
DWORD* lpcbSecurityDescriptor,
FILETIME* lpftLastWriteTime
);[DllImport("CLUSAPI.dll", ExactSpelling = true)]
static extern int ClusterRegQueryInfoKey(
IntPtr hKey, // HKEY
ref uint lpcSubKeys, // DWORD*
ref uint lpcchMaxSubKeyLen, // DWORD*
ref uint lpcValues, // DWORD*
ref uint lpcchMaxValueNameLen, // DWORD*
ref uint lpcbMaxValueLen, // DWORD*
ref uint lpcbSecurityDescriptor, // DWORD*
IntPtr lpftLastWriteTime // FILETIME*
);<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterRegQueryInfoKey(
hKey As IntPtr, ' HKEY
ByRef lpcSubKeys As UInteger, ' DWORD*
ByRef lpcchMaxSubKeyLen As UInteger, ' DWORD*
ByRef lpcValues As UInteger, ' DWORD*
ByRef lpcchMaxValueNameLen As UInteger, ' DWORD*
ByRef lpcbMaxValueLen As UInteger, ' DWORD*
ByRef lpcbSecurityDescriptor As UInteger, ' DWORD*
lpftLastWriteTime As IntPtr ' FILETIME*
) As Integer
End Function' hKey : HKEY
' lpcSubKeys : DWORD*
' lpcchMaxSubKeyLen : DWORD*
' lpcValues : DWORD*
' lpcchMaxValueNameLen : DWORD*
' lpcbMaxValueLen : DWORD*
' lpcbSecurityDescriptor : DWORD*
' lpftLastWriteTime : FILETIME*
Declare PtrSafe Function ClusterRegQueryInfoKey Lib "clusapi" ( _
ByVal hKey As LongPtr, _
ByRef lpcSubKeys As Long, _
ByRef lpcchMaxSubKeyLen As Long, _
ByRef lpcValues As Long, _
ByRef lpcchMaxValueNameLen As Long, _
ByRef lpcbMaxValueLen As Long, _
ByRef lpcbSecurityDescriptor As Long, _
ByVal lpftLastWriteTime 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
ClusterRegQueryInfoKey = ctypes.windll.clusapi.ClusterRegQueryInfoKey
ClusterRegQueryInfoKey.restype = ctypes.c_int
ClusterRegQueryInfoKey.argtypes = [
wintypes.HANDLE, # hKey : HKEY
ctypes.POINTER(wintypes.DWORD), # lpcSubKeys : DWORD*
ctypes.POINTER(wintypes.DWORD), # lpcchMaxSubKeyLen : DWORD*
ctypes.POINTER(wintypes.DWORD), # lpcValues : DWORD*
ctypes.POINTER(wintypes.DWORD), # lpcchMaxValueNameLen : DWORD*
ctypes.POINTER(wintypes.DWORD), # lpcbMaxValueLen : DWORD*
ctypes.POINTER(wintypes.DWORD), # lpcbSecurityDescriptor : DWORD*
ctypes.c_void_p, # lpftLastWriteTime : FILETIME*
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterRegQueryInfoKey = Fiddle::Function.new(
lib['ClusterRegQueryInfoKey'],
[
Fiddle::TYPE_VOIDP, # hKey : HKEY
Fiddle::TYPE_VOIDP, # lpcSubKeys : DWORD*
Fiddle::TYPE_VOIDP, # lpcchMaxSubKeyLen : DWORD*
Fiddle::TYPE_VOIDP, # lpcValues : DWORD*
Fiddle::TYPE_VOIDP, # lpcchMaxValueNameLen : DWORD*
Fiddle::TYPE_VOIDP, # lpcbMaxValueLen : DWORD*
Fiddle::TYPE_VOIDP, # lpcbSecurityDescriptor : DWORD*
Fiddle::TYPE_VOIDP, # lpftLastWriteTime : FILETIME*
],
Fiddle::TYPE_INT)#[link(name = "clusapi")]
extern "system" {
fn ClusterRegQueryInfoKey(
hKey: *mut core::ffi::c_void, // HKEY
lpcSubKeys: *mut u32, // DWORD*
lpcchMaxSubKeyLen: *mut u32, // DWORD*
lpcValues: *mut u32, // DWORD*
lpcchMaxValueNameLen: *mut u32, // DWORD*
lpcbMaxValueLen: *mut u32, // DWORD*
lpcbSecurityDescriptor: *mut u32, // DWORD*
lpftLastWriteTime: *mut FILETIME // FILETIME*
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern int ClusterRegQueryInfoKey(IntPtr hKey, ref uint lpcSubKeys, ref uint lpcchMaxSubKeyLen, ref uint lpcValues, ref uint lpcchMaxValueNameLen, ref uint lpcbMaxValueLen, ref uint lpcbSecurityDescriptor, IntPtr lpftLastWriteTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterRegQueryInfoKey' -Namespace Win32 -PassThru
# $api::ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime)#uselib "CLUSAPI.dll"
#func global ClusterRegQueryInfoKey "ClusterRegQueryInfoKey" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; ClusterRegQueryInfoKey hKey, varptr(lpcSubKeys), varptr(lpcchMaxSubKeyLen), varptr(lpcValues), varptr(lpcchMaxValueNameLen), varptr(lpcbMaxValueLen), varptr(lpcbSecurityDescriptor), varptr(lpftLastWriteTime) ; 戻り値は stat
; hKey : HKEY -> "sptr"
; lpcSubKeys : DWORD* -> "sptr"
; lpcchMaxSubKeyLen : DWORD* -> "sptr"
; lpcValues : DWORD* -> "sptr"
; lpcchMaxValueNameLen : DWORD* -> "sptr"
; lpcbMaxValueLen : DWORD* -> "sptr"
; lpcbSecurityDescriptor : DWORD* -> "sptr"
; lpftLastWriteTime : FILETIME* -> "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 "CLUSAPI.dll" #cfunc global ClusterRegQueryInfoKey "ClusterRegQueryInfoKey" sptr, var, var, var, var, var, var, var ; res = ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime) ; hKey : HKEY -> "sptr" ; lpcSubKeys : DWORD* -> "var" ; lpcchMaxSubKeyLen : DWORD* -> "var" ; lpcValues : DWORD* -> "var" ; lpcchMaxValueNameLen : DWORD* -> "var" ; lpcbMaxValueLen : DWORD* -> "var" ; lpcbSecurityDescriptor : DWORD* -> "var" ; lpftLastWriteTime : FILETIME* -> "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。#uselib "CLUSAPI.dll" #cfunc global ClusterRegQueryInfoKey "ClusterRegQueryInfoKey" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr ; res = ClusterRegQueryInfoKey(hKey, varptr(lpcSubKeys), varptr(lpcchMaxSubKeyLen), varptr(lpcValues), varptr(lpcchMaxValueNameLen), varptr(lpcbMaxValueLen), varptr(lpcbSecurityDescriptor), varptr(lpftLastWriteTime)) ; hKey : HKEY -> "sptr" ; lpcSubKeys : DWORD* -> "sptr" ; lpcchMaxSubKeyLen : DWORD* -> "sptr" ; lpcValues : DWORD* -> "sptr" ; lpcchMaxValueNameLen : DWORD* -> "sptr" ; lpcbMaxValueLen : DWORD* -> "sptr" ; lpcbSecurityDescriptor : DWORD* -> "sptr" ; lpftLastWriteTime : FILETIME* -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; INT ClusterRegQueryInfoKey(HKEY hKey, DWORD* lpcSubKeys, DWORD* lpcchMaxSubKeyLen, DWORD* lpcValues, DWORD* lpcchMaxValueNameLen, DWORD* lpcbMaxValueLen, DWORD* lpcbSecurityDescriptor, FILETIME* lpftLastWriteTime) #uselib "CLUSAPI.dll" #cfunc global ClusterRegQueryInfoKey "ClusterRegQueryInfoKey" intptr, var, var, var, var, var, var, var ; res = ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime) ; hKey : HKEY -> "intptr" ; lpcSubKeys : DWORD* -> "var" ; lpcchMaxSubKeyLen : DWORD* -> "var" ; lpcValues : DWORD* -> "var" ; lpcchMaxValueNameLen : DWORD* -> "var" ; lpcbMaxValueLen : DWORD* -> "var" ; lpcbSecurityDescriptor : DWORD* -> "var" ; lpftLastWriteTime : FILETIME* -> "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。; INT ClusterRegQueryInfoKey(HKEY hKey, DWORD* lpcSubKeys, DWORD* lpcchMaxSubKeyLen, DWORD* lpcValues, DWORD* lpcchMaxValueNameLen, DWORD* lpcbMaxValueLen, DWORD* lpcbSecurityDescriptor, FILETIME* lpftLastWriteTime) #uselib "CLUSAPI.dll" #cfunc global ClusterRegQueryInfoKey "ClusterRegQueryInfoKey" intptr, intptr, intptr, intptr, intptr, intptr, intptr, intptr ; res = ClusterRegQueryInfoKey(hKey, varptr(lpcSubKeys), varptr(lpcchMaxSubKeyLen), varptr(lpcValues), varptr(lpcchMaxValueNameLen), varptr(lpcbMaxValueLen), varptr(lpcbSecurityDescriptor), varptr(lpftLastWriteTime)) ; hKey : HKEY -> "intptr" ; lpcSubKeys : DWORD* -> "intptr" ; lpcchMaxSubKeyLen : DWORD* -> "intptr" ; lpcValues : DWORD* -> "intptr" ; lpcchMaxValueNameLen : DWORD* -> "intptr" ; lpcbMaxValueLen : DWORD* -> "intptr" ; lpcbSecurityDescriptor : DWORD* -> "intptr" ; lpftLastWriteTime : FILETIME* -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
procClusterRegQueryInfoKey = clusapi.NewProc("ClusterRegQueryInfoKey")
)
// hKey (HKEY), lpcSubKeys (DWORD*), lpcchMaxSubKeyLen (DWORD*), lpcValues (DWORD*), lpcchMaxValueNameLen (DWORD*), lpcbMaxValueLen (DWORD*), lpcbSecurityDescriptor (DWORD*), lpftLastWriteTime (FILETIME*)
r1, _, err := procClusterRegQueryInfoKey.Call(
uintptr(hKey),
uintptr(lpcSubKeys),
uintptr(lpcchMaxSubKeyLen),
uintptr(lpcValues),
uintptr(lpcchMaxValueNameLen),
uintptr(lpcbMaxValueLen),
uintptr(lpcbSecurityDescriptor),
uintptr(lpftLastWriteTime),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction ClusterRegQueryInfoKey(
hKey: THandle; // HKEY
lpcSubKeys: Pointer; // DWORD*
lpcchMaxSubKeyLen: Pointer; // DWORD*
lpcValues: Pointer; // DWORD*
lpcchMaxValueNameLen: Pointer; // DWORD*
lpcbMaxValueLen: Pointer; // DWORD*
lpcbSecurityDescriptor: Pointer; // DWORD*
lpftLastWriteTime: Pointer // FILETIME*
): Integer; stdcall;
external 'CLUSAPI.dll' name 'ClusterRegQueryInfoKey';result := DllCall("CLUSAPI\ClusterRegQueryInfoKey"
, "Ptr", hKey ; HKEY
, "Ptr", lpcSubKeys ; DWORD*
, "Ptr", lpcchMaxSubKeyLen ; DWORD*
, "Ptr", lpcValues ; DWORD*
, "Ptr", lpcchMaxValueNameLen ; DWORD*
, "Ptr", lpcbMaxValueLen ; DWORD*
, "Ptr", lpcbSecurityDescriptor ; DWORD*
, "Ptr", lpftLastWriteTime ; FILETIME*
, "Int") ; return: INT●ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime) = DLL("CLUSAPI.dll", "int ClusterRegQueryInfoKey(void*, void*, void*, void*, void*, void*, void*, void*)")
# 呼び出し: ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime)
# hKey : HKEY -> "void*"
# lpcSubKeys : DWORD* -> "void*"
# lpcchMaxSubKeyLen : DWORD* -> "void*"
# lpcValues : DWORD* -> "void*"
# lpcchMaxValueNameLen : DWORD* -> "void*"
# lpcbMaxValueLen : DWORD* -> "void*"
# lpcbSecurityDescriptor : DWORD* -> "void*"
# lpftLastWriteTime : FILETIME* -> "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 "clusapi" fn ClusterRegQueryInfoKey(
hKey: ?*anyopaque, // HKEY
lpcSubKeys: [*c]u32, // DWORD*
lpcchMaxSubKeyLen: [*c]u32, // DWORD*
lpcValues: [*c]u32, // DWORD*
lpcchMaxValueNameLen: [*c]u32, // DWORD*
lpcbMaxValueLen: [*c]u32, // DWORD*
lpcbSecurityDescriptor: [*c]u32, // DWORD*
lpftLastWriteTime: [*c]FILETIME // FILETIME*
) callconv(std.os.windows.WINAPI) i32;proc ClusterRegQueryInfoKey(
hKey: pointer, # HKEY
lpcSubKeys: ptr uint32, # DWORD*
lpcchMaxSubKeyLen: ptr uint32, # DWORD*
lpcValues: ptr uint32, # DWORD*
lpcchMaxValueNameLen: ptr uint32, # DWORD*
lpcbMaxValueLen: ptr uint32, # DWORD*
lpcbSecurityDescriptor: ptr uint32, # DWORD*
lpftLastWriteTime: ptr FILETIME # FILETIME*
): int32 {.importc: "ClusterRegQueryInfoKey", stdcall, dynlib: "CLUSAPI.dll".}pragma(lib, "clusapi");
extern(Windows)
int ClusterRegQueryInfoKey(
void* hKey, // HKEY
uint* lpcSubKeys, // DWORD*
uint* lpcchMaxSubKeyLen, // DWORD*
uint* lpcValues, // DWORD*
uint* lpcchMaxValueNameLen, // DWORD*
uint* lpcbMaxValueLen, // DWORD*
uint* lpcbSecurityDescriptor, // DWORD*
FILETIME* lpftLastWriteTime // FILETIME*
);ccall((:ClusterRegQueryInfoKey, "CLUSAPI.dll"), stdcall, Int32,
(Ptr{Cvoid}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{FILETIME}),
hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime)
# hKey : HKEY -> Ptr{Cvoid}
# lpcSubKeys : DWORD* -> Ptr{UInt32}
# lpcchMaxSubKeyLen : DWORD* -> Ptr{UInt32}
# lpcValues : DWORD* -> Ptr{UInt32}
# lpcchMaxValueNameLen : DWORD* -> Ptr{UInt32}
# lpcbMaxValueLen : DWORD* -> Ptr{UInt32}
# lpcbSecurityDescriptor : DWORD* -> Ptr{UInt32}
# lpftLastWriteTime : FILETIME* -> Ptr{FILETIME}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t ClusterRegQueryInfoKey(
void* hKey,
uint32_t* lpcSubKeys,
uint32_t* lpcchMaxSubKeyLen,
uint32_t* lpcValues,
uint32_t* lpcchMaxValueNameLen,
uint32_t* lpcbMaxValueLen,
uint32_t* lpcbSecurityDescriptor,
void* lpftLastWriteTime);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime)
-- hKey : HKEY
-- lpcSubKeys : DWORD*
-- lpcchMaxSubKeyLen : DWORD*
-- lpcValues : DWORD*
-- lpcchMaxValueNameLen : DWORD*
-- lpcbMaxValueLen : DWORD*
-- lpcbSecurityDescriptor : DWORD*
-- lpftLastWriteTime : FILETIME*
-- 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('CLUSAPI.dll');
const ClusterRegQueryInfoKey = lib.func('__stdcall', 'ClusterRegQueryInfoKey', 'int32_t', ['void *', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'void *']);
// ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime)
// hKey : HKEY -> 'void *'
// lpcSubKeys : DWORD* -> 'uint32_t *'
// lpcchMaxSubKeyLen : DWORD* -> 'uint32_t *'
// lpcValues : DWORD* -> 'uint32_t *'
// lpcchMaxValueNameLen : DWORD* -> 'uint32_t *'
// lpcbMaxValueLen : DWORD* -> 'uint32_t *'
// lpcbSecurityDescriptor : DWORD* -> 'uint32_t *'
// lpftLastWriteTime : FILETIME* -> '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("CLUSAPI.dll", {
ClusterRegQueryInfoKey: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime)
// hKey : HKEY -> "pointer"
// lpcSubKeys : DWORD* -> "pointer"
// lpcchMaxSubKeyLen : DWORD* -> "pointer"
// lpcValues : DWORD* -> "pointer"
// lpcchMaxValueNameLen : DWORD* -> "pointer"
// lpcbMaxValueLen : DWORD* -> "pointer"
// lpcbSecurityDescriptor : DWORD* -> "pointer"
// lpftLastWriteTime : FILETIME* -> "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
int32_t ClusterRegQueryInfoKey(
void* hKey,
uint32_t* lpcSubKeys,
uint32_t* lpcchMaxSubKeyLen,
uint32_t* lpcValues,
uint32_t* lpcchMaxValueNameLen,
uint32_t* lpcbMaxValueLen,
uint32_t* lpcbSecurityDescriptor,
void* lpftLastWriteTime);
C, "CLUSAPI.dll");
// $ffi->ClusterRegQueryInfoKey(hKey, lpcSubKeys, lpcchMaxSubKeyLen, lpcValues, lpcchMaxValueNameLen, lpcbMaxValueLen, lpcbSecurityDescriptor, lpftLastWriteTime);
// hKey : HKEY
// lpcSubKeys : DWORD*
// lpcchMaxSubKeyLen : DWORD*
// lpcValues : DWORD*
// lpcchMaxValueNameLen : DWORD*
// lpcbMaxValueLen : DWORD*
// lpcbSecurityDescriptor : DWORD*
// lpftLastWriteTime : FILETIME*
// 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 Clusapi extends StdCallLibrary {
Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
int ClusterRegQueryInfoKey(
Pointer hKey, // HKEY
IntByReference lpcSubKeys, // DWORD*
IntByReference lpcchMaxSubKeyLen, // DWORD*
IntByReference lpcValues, // DWORD*
IntByReference lpcchMaxValueNameLen, // DWORD*
IntByReference lpcbMaxValueLen, // DWORD*
IntByReference lpcbSecurityDescriptor, // DWORD*
Pointer lpftLastWriteTime // FILETIME*
);
}@[Link("clusapi")]
lib LibCLUSAPI
fun ClusterRegQueryInfoKey = ClusterRegQueryInfoKey(
hKey : Void*, # HKEY
lpcSubKeys : UInt32*, # DWORD*
lpcchMaxSubKeyLen : UInt32*, # DWORD*
lpcValues : UInt32*, # DWORD*
lpcchMaxValueNameLen : UInt32*, # DWORD*
lpcbMaxValueLen : UInt32*, # DWORD*
lpcbSecurityDescriptor : UInt32*, # DWORD*
lpftLastWriteTime : FILETIME* # FILETIME*
) : 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 ClusterRegQueryInfoKeyNative = Int32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>);
typedef ClusterRegQueryInfoKeyDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>);
final ClusterRegQueryInfoKey = DynamicLibrary.open('CLUSAPI.dll')
.lookupFunction<ClusterRegQueryInfoKeyNative, ClusterRegQueryInfoKeyDart>('ClusterRegQueryInfoKey');
// hKey : HKEY -> Pointer<Void>
// lpcSubKeys : DWORD* -> Pointer<Uint32>
// lpcchMaxSubKeyLen : DWORD* -> Pointer<Uint32>
// lpcValues : DWORD* -> Pointer<Uint32>
// lpcchMaxValueNameLen : DWORD* -> Pointer<Uint32>
// lpcbMaxValueLen : DWORD* -> Pointer<Uint32>
// lpcbSecurityDescriptor : DWORD* -> Pointer<Uint32>
// lpftLastWriteTime : FILETIME* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function ClusterRegQueryInfoKey(
hKey: THandle; // HKEY
lpcSubKeys: Pointer; // DWORD*
lpcchMaxSubKeyLen: Pointer; // DWORD*
lpcValues: Pointer; // DWORD*
lpcchMaxValueNameLen: Pointer; // DWORD*
lpcbMaxValueLen: Pointer; // DWORD*
lpcbSecurityDescriptor: Pointer; // DWORD*
lpftLastWriteTime: Pointer // FILETIME*
): Integer; stdcall;
external 'CLUSAPI.dll' name 'ClusterRegQueryInfoKey';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "ClusterRegQueryInfoKey"
c_ClusterRegQueryInfoKey :: Ptr () -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr () -> IO Int32
-- hKey : HKEY -> Ptr ()
-- lpcSubKeys : DWORD* -> Ptr Word32
-- lpcchMaxSubKeyLen : DWORD* -> Ptr Word32
-- lpcValues : DWORD* -> Ptr Word32
-- lpcchMaxValueNameLen : DWORD* -> Ptr Word32
-- lpcbMaxValueLen : DWORD* -> Ptr Word32
-- lpcbSecurityDescriptor : DWORD* -> Ptr Word32
-- lpftLastWriteTime : FILETIME* -> 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 clusterregqueryinfokey =
foreign "ClusterRegQueryInfoKey"
((ptr void) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* hKey : HKEY -> (ptr void) *)
(* lpcSubKeys : DWORD* -> (ptr uint32_t) *)
(* lpcchMaxSubKeyLen : DWORD* -> (ptr uint32_t) *)
(* lpcValues : DWORD* -> (ptr uint32_t) *)
(* lpcchMaxValueNameLen : DWORD* -> (ptr uint32_t) *)
(* lpcbMaxValueLen : DWORD* -> (ptr uint32_t) *)
(* lpcbSecurityDescriptor : DWORD* -> (ptr uint32_t) *)
(* lpftLastWriteTime : FILETIME* -> (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 clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)
(cffi:defcfun ("ClusterRegQueryInfoKey" cluster-reg-query-info-key :convention :stdcall) :int32
(h-key :pointer) ; HKEY
(lpc-sub-keys :pointer) ; DWORD*
(lpcch-max-sub-key-len :pointer) ; DWORD*
(lpc-values :pointer) ; DWORD*
(lpcch-max-value-name-len :pointer) ; DWORD*
(lpcb-max-value-len :pointer) ; DWORD*
(lpcb-security-descriptor :pointer) ; DWORD*
(lpft-last-write-time :pointer)) ; FILETIME*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $ClusterRegQueryInfoKey = Win32::API::More->new('CLUSAPI',
'int ClusterRegQueryInfoKey(HANDLE hKey, LPVOID lpcSubKeys, LPVOID lpcchMaxSubKeyLen, LPVOID lpcValues, LPVOID lpcchMaxValueNameLen, LPVOID lpcbMaxValueLen, LPVOID lpcbSecurityDescriptor, LPVOID lpftLastWriteTime)');
# my $ret = $ClusterRegQueryInfoKey->Call($hKey, $lpcSubKeys, $lpcchMaxSubKeyLen, $lpcValues, $lpcchMaxValueNameLen, $lpcbMaxValueLen, $lpcbSecurityDescriptor, $lpftLastWriteTime);
# hKey : HKEY -> HANDLE
# lpcSubKeys : DWORD* -> LPVOID
# lpcchMaxSubKeyLen : DWORD* -> LPVOID
# lpcValues : DWORD* -> LPVOID
# lpcchMaxValueNameLen : DWORD* -> LPVOID
# lpcbMaxValueLen : DWORD* -> LPVOID
# lpcbSecurityDescriptor : DWORD* -> LPVOID
# lpftLastWriteTime : FILETIME* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
使用する型