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LookupPrivilegeDisplayNameW

関数

特権名から人間可読の表示名を取得する(Unicode版)。

DLLADVAPI32.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL LookupPrivilegeDisplayNameW(
    LPCWSTR lpSystemName,   // optional
    LPCWSTR lpName,
    LPWSTR lpDisplayName,   // optional
    DWORD* cchDisplayName,
    DWORD* lpLanguageId
);

パラメーター

名前	型	方向
lpSystemName	LPCWSTR	inoptional
lpName	LPCWSTR	in
lpDisplayName	LPWSTR	outoptional
cchDisplayName	DWORD*	inout
lpLanguageId	DWORD*	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 LookupPrivilegeDisplayNameW(
    LPCWSTR lpSystemName,   // optional
    LPCWSTR lpName,
    LPWSTR lpDisplayName,   // optional
    DWORD* cchDisplayName,
    DWORD* lpLanguageId
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool LookupPrivilegeDisplayNameW(
    [MarshalAs(UnmanagedType.LPWStr)] string lpSystemName,   // LPCWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string lpName,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpDisplayName,   // LPWSTR optional, out
    ref uint cchDisplayName,   // DWORD* in/out
    out uint lpLanguageId   // DWORD* out
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function LookupPrivilegeDisplayNameW(
    <MarshalAs(UnmanagedType.LPWStr)> lpSystemName As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpDisplayName As System.Text.StringBuilder,   ' LPWSTR optional, out
    ByRef cchDisplayName As UInteger,   ' DWORD* in/out
    <Out> ByRef lpLanguageId As UInteger   ' DWORD* out
) As Boolean
End Function

' lpSystemName : LPCWSTR optional
' lpName : LPCWSTR
' lpDisplayName : LPWSTR optional, out
' cchDisplayName : DWORD* in/out
' lpLanguageId : DWORD* out
Declare PtrSafe Function LookupPrivilegeDisplayNameW Lib "advapi32" ( _
    ByVal lpSystemName As LongPtr, _
    ByVal lpName As LongPtr, _
    ByVal lpDisplayName As LongPtr, _
    ByRef cchDisplayName As Long, _
    ByRef lpLanguageId As Long) 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

LookupPrivilegeDisplayNameW = ctypes.windll.advapi32.LookupPrivilegeDisplayNameW
LookupPrivilegeDisplayNameW.restype = wintypes.BOOL
LookupPrivilegeDisplayNameW.argtypes = [
    wintypes.LPCWSTR,  # lpSystemName : LPCWSTR optional
    wintypes.LPCWSTR,  # lpName : LPCWSTR
    wintypes.LPWSTR,  # lpDisplayName : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # cchDisplayName : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # lpLanguageId : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
LookupPrivilegeDisplayNameW = Fiddle::Function.new(
  lib['LookupPrivilegeDisplayNameW'],
  [
    Fiddle::TYPE_VOIDP,  # lpSystemName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpDisplayName : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # cchDisplayName : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpLanguageId : DWORD* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn LookupPrivilegeDisplayNameW(
        lpSystemName: *const u16,  // LPCWSTR optional
        lpName: *const u16,  // LPCWSTR
        lpDisplayName: *mut u16,  // LPWSTR optional, out
        cchDisplayName: *mut u32,  // DWORD* in/out
        lpLanguageId: *mut u32  // DWORD* 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 LookupPrivilegeDisplayNameW([MarshalAs(UnmanagedType.LPWStr)] string lpSystemName, [MarshalAs(UnmanagedType.LPWStr)] string lpName, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpDisplayName, ref uint cchDisplayName, out uint lpLanguageId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_LookupPrivilegeDisplayNameW' -Namespace Win32 -PassThru
# $api::LookupPrivilegeDisplayNameW(lpSystemName, lpName, lpDisplayName, cchDisplayName, lpLanguageId)

#uselib "ADVAPI32.dll"
#func global LookupPrivilegeDisplayNameW "LookupPrivilegeDisplayNameW" wptr, wptr, wptr, wptr, wptr
; LookupPrivilegeDisplayNameW lpSystemName, lpName, varptr(lpDisplayName), varptr(cchDisplayName), varptr(lpLanguageId)   ; 戻り値は stat
; lpSystemName : LPCWSTR optional -> "wptr"
; lpName : LPCWSTR -> "wptr"
; lpDisplayName : LPWSTR optional, out -> "wptr"
; cchDisplayName : DWORD* in/out -> "wptr"
; lpLanguageId : DWORD* 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 LookupPrivilegeDisplayNameW "LookupPrivilegeDisplayNameW" wstr, wstr, var, var, var
; res = LookupPrivilegeDisplayNameW(lpSystemName, lpName, lpDisplayName, cchDisplayName, lpLanguageId)
; lpSystemName : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpDisplayName : LPWSTR optional, out -> "var"
; cchDisplayName : DWORD* in/out -> "var"
; lpLanguageId : DWORD* 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。#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeDisplayNameW "LookupPrivilegeDisplayNameW" wstr, wstr, sptr, sptr, sptr
; res = LookupPrivilegeDisplayNameW(lpSystemName, lpName, varptr(lpDisplayName), varptr(cchDisplayName), varptr(lpLanguageId))
; lpSystemName : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpDisplayName : LPWSTR optional, out -> "sptr"
; cchDisplayName : DWORD* in/out -> "sptr"
; lpLanguageId : DWORD* out -> "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:

; BOOL LookupPrivilegeDisplayNameW(LPCWSTR lpSystemName, LPCWSTR lpName, LPWSTR lpDisplayName, DWORD* cchDisplayName, DWORD* lpLanguageId)
#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeDisplayNameW "LookupPrivilegeDisplayNameW" wstr, wstr, var, var, var
; res = LookupPrivilegeDisplayNameW(lpSystemName, lpName, lpDisplayName, cchDisplayName, lpLanguageId)
; lpSystemName : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpDisplayName : LPWSTR optional, out -> "var"
; cchDisplayName : DWORD* in/out -> "var"
; lpLanguageId : DWORD* 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。; BOOL LookupPrivilegeDisplayNameW(LPCWSTR lpSystemName, LPCWSTR lpName, LPWSTR lpDisplayName, DWORD* cchDisplayName, DWORD* lpLanguageId)
#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeDisplayNameW "LookupPrivilegeDisplayNameW" wstr, wstr, intptr, intptr, intptr
; res = LookupPrivilegeDisplayNameW(lpSystemName, lpName, varptr(lpDisplayName), varptr(cchDisplayName), varptr(lpLanguageId))
; lpSystemName : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpDisplayName : LPWSTR optional, out -> "intptr"
; cchDisplayName : DWORD* in/out -> "intptr"
; lpLanguageId : DWORD* out -> "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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procLookupPrivilegeDisplayNameW = advapi32.NewProc("LookupPrivilegeDisplayNameW")
)

// lpSystemName (LPCWSTR optional), lpName (LPCWSTR), lpDisplayName (LPWSTR optional, out), cchDisplayName (DWORD* in/out), lpLanguageId (DWORD* out)
r1, _, err := procLookupPrivilegeDisplayNameW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpSystemName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpName))),
	uintptr(lpDisplayName),
	uintptr(cchDisplayName),
	uintptr(lpLanguageId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function LookupPrivilegeDisplayNameW(
  lpSystemName: PWideChar;   // LPCWSTR optional
  lpName: PWideChar;   // LPCWSTR
  lpDisplayName: PWideChar;   // LPWSTR optional, out
  cchDisplayName: Pointer;   // DWORD* in/out
  lpLanguageId: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'LookupPrivilegeDisplayNameW';

result := DllCall("ADVAPI32\LookupPrivilegeDisplayNameW"
    , "WStr", lpSystemName   ; LPCWSTR optional
    , "WStr", lpName   ; LPCWSTR
    , "Ptr", lpDisplayName   ; LPWSTR optional, out
    , "Ptr", cchDisplayName   ; DWORD* in/out
    , "Ptr", lpLanguageId   ; DWORD* out
    , "Int")   ; return: BOOL

●LookupPrivilegeDisplayNameW(lpSystemName, lpName, lpDisplayName, cchDisplayName, lpLanguageId) = DLL("ADVAPI32.dll", "bool LookupPrivilegeDisplayNameW(char*, char*, char*, void*, void*)")
# 呼び出し: LookupPrivilegeDisplayNameW(lpSystemName, lpName, lpDisplayName, cchDisplayName, lpLanguageId)
# lpSystemName : LPCWSTR optional -> "char*"
# lpName : LPCWSTR -> "char*"
# lpDisplayName : LPWSTR optional, out -> "char*"
# cchDisplayName : DWORD* in/out -> "void*"
# lpLanguageId : DWORD* 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。