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GetSidLengthRequired

関数

指定サブ権限数のSIDに必要なバイト長を取得する。

DLLADVAPI32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// ADVAPI32.dll
#include <windows.h>

DWORD GetSidLengthRequired(
    BYTE nSubAuthorityCount
);

パラメーター

名前	型	方向
nSubAuthorityCount	BYTE	in

戻り値の型: DWORD

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

DWORD GetSidLengthRequired(
    BYTE nSubAuthorityCount
);

[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint GetSidLengthRequired(
    byte nSubAuthorityCount   // BYTE
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function GetSidLengthRequired(
    nSubAuthorityCount As Byte   ' BYTE
) As UInteger
End Function

' nSubAuthorityCount : BYTE
Declare PtrSafe Function GetSidLengthRequired Lib "advapi32" ( _
    ByVal nSubAuthorityCount As Byte) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetSidLengthRequired = ctypes.windll.advapi32.GetSidLengthRequired
GetSidLengthRequired.restype = wintypes.DWORD
GetSidLengthRequired.argtypes = [
    ctypes.c_ubyte,  # nSubAuthorityCount : BYTE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
GetSidLengthRequired = Fiddle::Function.new(
  lib['GetSidLengthRequired'],
  [
    -Fiddle::TYPE_CHAR,  # nSubAuthorityCount : BYTE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn GetSidLengthRequired(
        nSubAuthorityCount: u8  // BYTE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint GetSidLengthRequired(byte nSubAuthorityCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_GetSidLengthRequired' -Namespace Win32 -PassThru
# $api::GetSidLengthRequired(nSubAuthorityCount)

#uselib "ADVAPI32.dll"
#func global GetSidLengthRequired "GetSidLengthRequired" sptr
; GetSidLengthRequired nSubAuthorityCount   ; 戻り値は stat
; nSubAuthorityCount : BYTE -> "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 "ADVAPI32.dll"
#cfunc global GetSidLengthRequired "GetSidLengthRequired" int
; res = GetSidLengthRequired(nSubAuthorityCount)
; nSubAuthorityCount : BYTE -> "int"

; DWORD GetSidLengthRequired(BYTE nSubAuthorityCount)
#uselib "ADVAPI32.dll"
#cfunc global GetSidLengthRequired "GetSidLengthRequired" int
; res = GetSidLengthRequired(nSubAuthorityCount)
; nSubAuthorityCount : BYTE -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procGetSidLengthRequired = advapi32.NewProc("GetSidLengthRequired")
)

// nSubAuthorityCount (BYTE)
r1, _, err := procGetSidLengthRequired.Call(
	uintptr(nSubAuthorityCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetSidLengthRequired(
  nSubAuthorityCount: Byte   // BYTE
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'GetSidLengthRequired';

result := DllCall("ADVAPI32\GetSidLengthRequired"
    , "UChar", nSubAuthorityCount   ; BYTE
    , "UInt")   ; return: DWORD

●GetSidLengthRequired(nSubAuthorityCount) = DLL("ADVAPI32.dll", "dword GetSidLengthRequired(byte)")
# 呼び出し: GetSidLengthRequired(nSubAuthorityCount)
# nSubAuthorityCount : BYTE -> "byte"
# 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)。