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LookupPrivilegeValueW

関数
特権名からローカル一意識別子LUIDを取得する(Unicode版)。
DLLADVAPI32.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL LookupPrivilegeValueW(
    LPCWSTR lpSystemName,   // optional
    LPCWSTR lpName,
    LUID* lpLuid
);

パラメーター

名前型方向
lpSystemNameLPCWSTRinoptional
lpNameLPCWSTRin
lpLuidLUID*out

戻り値の型: BOOL

各言語での呼び出し定義

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL LookupPrivilegeValueW(
    LPCWSTR lpSystemName,   // optional
    LPCWSTR lpName,
    LUID* lpLuid
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool LookupPrivilegeValueW(
    [MarshalAs(UnmanagedType.LPWStr)] string lpSystemName,   // LPCWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string lpName,   // LPCWSTR
    IntPtr lpLuid   // LUID* out
);
<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function LookupPrivilegeValueW(
    <MarshalAs(UnmanagedType.LPWStr)> lpSystemName As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpName As String,   ' LPCWSTR
    lpLuid As IntPtr   ' LUID* out
) As Boolean
End Function
' lpSystemName : LPCWSTR optional
' lpName : LPCWSTR
' lpLuid : LUID* out
Declare PtrSafe Function LookupPrivilegeValueW Lib "advapi32" ( _
    ByVal lpSystemName As LongPtr, _
    ByVal lpName As LongPtr, _
    ByVal lpLuid As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

LookupPrivilegeValueW = ctypes.windll.advapi32.LookupPrivilegeValueW
LookupPrivilegeValueW.restype = wintypes.BOOL
LookupPrivilegeValueW.argtypes = [
    wintypes.LPCWSTR,  # lpSystemName : LPCWSTR optional
    wintypes.LPCWSTR,  # lpName : LPCWSTR
    ctypes.c_void_p,  # lpLuid : LUID* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
LookupPrivilegeValueW = Fiddle::Function.new(
  lib['LookupPrivilegeValueW'],
  [
    Fiddle::TYPE_VOIDP,  # lpSystemName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpLuid : LUID* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"
#[link(name = "advapi32")]
extern "system" {
    fn LookupPrivilegeValueW(
        lpSystemName: *const u16,  // LPCWSTR optional
        lpName: *const u16,  // LPCWSTR
        lpLuid: *mut LUID  // LUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool LookupPrivilegeValueW([MarshalAs(UnmanagedType.LPWStr)] string lpSystemName, [MarshalAs(UnmanagedType.LPWStr)] string lpName, IntPtr lpLuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_LookupPrivilegeValueW' -Namespace Win32 -PassThru
# $api::LookupPrivilegeValueW(lpSystemName, lpName, lpLuid)
#uselib "ADVAPI32.dll"
#func global LookupPrivilegeValueW "LookupPrivilegeValueW" wptr, wptr, wptr
; LookupPrivilegeValueW lpSystemName, lpName, varptr(lpLuid)   ; 戻り値は stat
; lpSystemName : LPCWSTR optional -> "wptr"
; lpName : LPCWSTR -> "wptr"
; lpLuid : LUID* out -> "wptr"
; ※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 "ADVAPI32.dll"
#cfunc global LookupPrivilegeValueW "LookupPrivilegeValueW" wstr, wstr, var
; res = LookupPrivilegeValueW(lpSystemName, lpName, lpLuid)
; lpSystemName : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpLuid : LUID* out -> "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: 
; BOOL LookupPrivilegeValueW(LPCWSTR lpSystemName, LPCWSTR lpName, LUID* lpLuid)
#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeValueW "LookupPrivilegeValueW" wstr, wstr, var
; res = LookupPrivilegeValueW(lpSystemName, lpName, lpLuid)
; lpSystemName : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpLuid : LUID* out -> "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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procLookupPrivilegeValueW = advapi32.NewProc("LookupPrivilegeValueW")
)

// lpSystemName (LPCWSTR optional), lpName (LPCWSTR), lpLuid (LUID* out)
r1, _, err := procLookupPrivilegeValueW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpSystemName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpName))),
	uintptr(lpLuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function LookupPrivilegeValueW(
  lpSystemName: PWideChar;   // LPCWSTR optional
  lpName: PWideChar;   // LPCWSTR
  lpLuid: Pointer   // LUID* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'LookupPrivilegeValueW';
result := DllCall("ADVAPI32\LookupPrivilegeValueW"
    , "WStr", lpSystemName   ; LPCWSTR optional
    , "WStr", lpName   ; LPCWSTR
    , "Ptr", lpLuid   ; LUID* out
    , "Int")   ; return: BOOL
●LookupPrivilegeValueW(lpSystemName, lpName, lpLuid) = DLL("ADVAPI32.dll", "bool LookupPrivilegeValueW(char*, char*, void*)")
# 呼び出し: LookupPrivilegeValueW(lpSystemName, lpName, lpLuid)
# lpSystemName : LPCWSTR optional -> "char*"
# lpName : LPCWSTR -> "char*"
# lpLuid : LUID* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。