Win32 API 日本語リファレンス
ホームNetworking.ActiveDirectory › DsFreeDomainControllerInfoA

DsFreeDomainControllerInfoA

関数
DsGetDomainControllerInfoが返したDC情報バッファを解放する。
DLLNTDSAPI.dll文字セットANSI (-A)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// NTDSAPI.dll  (ANSI / -A)
#include <windows.h>

void DsFreeDomainControllerInfoA(
    DWORD InfoLevel,
    DWORD cInfo,
    void* pInfo
);

パラメーター

名前方向説明
InfoLevelDWORDin解放する情報の詳細レベル。取得時と同じ値を指定する。
cInfoDWORDin解放するDC情報エントリ数。
pInfovoid*inDsGetDomainControllerInfoAが返した情報配列へのポインタ。これを解放する。

戻り値の型: void

各言語での呼び出し定義

// NTDSAPI.dll  (ANSI / -A)
#include <windows.h>

void DsFreeDomainControllerInfoA(
    DWORD InfoLevel,
    DWORD cInfo,
    void* pInfo
);
[DllImport("NTDSAPI.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern void DsFreeDomainControllerInfoA(
    uint InfoLevel,   // DWORD
    uint cInfo,   // DWORD
    IntPtr pInfo   // void*
);
<DllImport("NTDSAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Sub DsFreeDomainControllerInfoA(
    InfoLevel As UInteger,   ' DWORD
    cInfo As UInteger,   ' DWORD
    pInfo As IntPtr   ' void*
)
End Sub
' InfoLevel : DWORD
' cInfo : DWORD
' pInfo : void*
Declare PtrSafe Sub DsFreeDomainControllerInfoA Lib "ntdsapi" ( _
    ByVal InfoLevel As Long, _
    ByVal cInfo As Long, _
    ByVal pInfo As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

DsFreeDomainControllerInfoA = ctypes.windll.ntdsapi.DsFreeDomainControllerInfoA
DsFreeDomainControllerInfoA.restype = None
DsFreeDomainControllerInfoA.argtypes = [
    wintypes.DWORD,  # InfoLevel : DWORD
    wintypes.DWORD,  # cInfo : DWORD
    ctypes.POINTER(None),  # pInfo : void*
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NTDSAPI.dll')
DsFreeDomainControllerInfoA = Fiddle::Function.new(
  lib['DsFreeDomainControllerInfoA'],
  [
    -Fiddle::TYPE_INT,  # InfoLevel : DWORD
    -Fiddle::TYPE_INT,  # cInfo : DWORD
    Fiddle::TYPE_VOIDP,  # pInfo : void*
  ],
  Fiddle::TYPE_VOID)
#[link(name = "ntdsapi")]
extern "system" {
    fn DsFreeDomainControllerInfoA(
        InfoLevel: u32,  // DWORD
        cInfo: u32,  // DWORD
        pInfo: *mut ()  // void*
    );
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("NTDSAPI.dll", CharSet = CharSet.Ansi)]
public static extern void DsFreeDomainControllerInfoA(uint InfoLevel, uint cInfo, IntPtr pInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NTDSAPI_DsFreeDomainControllerInfoA' -Namespace Win32 -PassThru
# $api::DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo)
#uselib "NTDSAPI.dll"
#func global DsFreeDomainControllerInfoA "DsFreeDomainControllerInfoA" sptr, sptr, sptr
; DsFreeDomainControllerInfoA InfoLevel, cInfo, pInfo
; InfoLevel : DWORD -> "sptr"
; cInfo : DWORD -> "sptr"
; pInfo : void* -> "sptr"
#uselib "NTDSAPI.dll"
#func global DsFreeDomainControllerInfoA "DsFreeDomainControllerInfoA" int, int, sptr
; DsFreeDomainControllerInfoA InfoLevel, cInfo, pInfo
; InfoLevel : DWORD -> "int"
; cInfo : DWORD -> "int"
; pInfo : void* -> "sptr"
; void DsFreeDomainControllerInfoA(DWORD InfoLevel, DWORD cInfo, void* pInfo)
#uselib "NTDSAPI.dll"
#func global DsFreeDomainControllerInfoA "DsFreeDomainControllerInfoA" int, int, intptr
; DsFreeDomainControllerInfoA InfoLevel, cInfo, pInfo
; InfoLevel : DWORD -> "int"
; cInfo : DWORD -> "int"
; pInfo : void* -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ntdsapi = windows.NewLazySystemDLL("NTDSAPI.dll")
	procDsFreeDomainControllerInfoA = ntdsapi.NewProc("DsFreeDomainControllerInfoA")
)

// InfoLevel (DWORD), cInfo (DWORD), pInfo (void*)
r1, _, err := procDsFreeDomainControllerInfoA.Call(
	uintptr(InfoLevel),
	uintptr(cInfo),
	uintptr(pInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
procedure DsFreeDomainControllerInfoA(
  InfoLevel: DWORD;   // DWORD
  cInfo: DWORD;   // DWORD
  pInfo: Pointer   // void*
); stdcall;
  external 'NTDSAPI.dll' name 'DsFreeDomainControllerInfoA';
result := DllCall("NTDSAPI\DsFreeDomainControllerInfoA"
    , "UInt", InfoLevel   ; DWORD
    , "UInt", cInfo   ; DWORD
    , "Ptr", pInfo   ; void*
    , "Int")   ; return: void
●DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo) = DLL("NTDSAPI.dll", "int DsFreeDomainControllerInfoA(dword, dword, void*)")
# 呼び出し: DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo)
# InfoLevel : DWORD -> "dword"
# cInfo : DWORD -> "dword"
# pInfo : void* -> "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 "ntdsapi" fn DsFreeDomainControllerInfoA(
    InfoLevel: u32, // DWORD
    cInfo: u32, // DWORD
    pInfo: ?*anyopaque // void*
) callconv(std.os.windows.WINAPI) void;
proc DsFreeDomainControllerInfoA(
    InfoLevel: uint32,  # DWORD
    cInfo: uint32,  # DWORD
    pInfo: pointer  # void*
) {.importc: "DsFreeDomainControllerInfoA", stdcall, dynlib: "NTDSAPI.dll".}
pragma(lib, "ntdsapi");
extern(Windows)
void DsFreeDomainControllerInfoA(
    uint InfoLevel,   // DWORD
    uint cInfo,   // DWORD
    void* pInfo   // void*
);
ccall((:DsFreeDomainControllerInfoA, "NTDSAPI.dll"), stdcall, Cvoid,
      (UInt32, UInt32, Ptr{Cvoid}),
      InfoLevel, cInfo, pInfo)
# InfoLevel : DWORD -> UInt32
# cInfo : DWORD -> UInt32
# pInfo : void* -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
void DsFreeDomainControllerInfoA(
    uint32_t InfoLevel,
    uint32_t cInfo,
    void* pInfo);
]]
local ntdsapi = ffi.load("ntdsapi")
-- ntdsapi.DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo)
-- InfoLevel : DWORD
-- cInfo : DWORD
-- pInfo : void*
-- 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('NTDSAPI.dll');
const DsFreeDomainControllerInfoA = lib.func('__stdcall', 'DsFreeDomainControllerInfoA', 'void', ['uint32_t', 'uint32_t', 'void *']);
// DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo)
// InfoLevel : DWORD -> 'uint32_t'
// cInfo : DWORD -> 'uint32_t'
// pInfo : void* -> '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("NTDSAPI.dll", {
  DsFreeDomainControllerInfoA: { parameters: ["u32", "u32", "pointer"], result: "void" },
});
// lib.symbols.DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo)
// InfoLevel : DWORD -> "u32"
// cInfo : DWORD -> "u32"
// pInfo : void* -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
void DsFreeDomainControllerInfoA(
    uint32_t InfoLevel,
    uint32_t cInfo,
    void* pInfo);
C, "NTDSAPI.dll");
// $ffi->DsFreeDomainControllerInfoA(InfoLevel, cInfo, pInfo);
// InfoLevel : DWORD
// cInfo : DWORD
// pInfo : void*
// 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 Ntdsapi extends StdCallLibrary {
    Ntdsapi INSTANCE = Native.load("ntdsapi", Ntdsapi.class, W32APIOptions.ASCII_OPTIONS);
    void DsFreeDomainControllerInfoA(
        int InfoLevel,   // DWORD
        int cInfo,   // DWORD
        Pointer pInfo   // void*
    );
}
@[Link("ntdsapi")]
lib LibNTDSAPI
  fun DsFreeDomainControllerInfoA = DsFreeDomainControllerInfoA(
    InfoLevel : UInt32,   # DWORD
    cInfo : UInt32,   # DWORD
    pInfo : Void*   # void*
  ) : Void
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 DsFreeDomainControllerInfoANative = Void Function(Uint32, Uint32, Pointer<Void>);
typedef DsFreeDomainControllerInfoADart = void Function(int, int, Pointer<Void>);
final DsFreeDomainControllerInfoA = DynamicLibrary.open('NTDSAPI.dll')
    .lookupFunction<DsFreeDomainControllerInfoANative, DsFreeDomainControllerInfoADart>('DsFreeDomainControllerInfoA');
// InfoLevel : DWORD -> Uint32
// cInfo : DWORD -> Uint32
// pInfo : void* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
procedure DsFreeDomainControllerInfoA(
  InfoLevel: DWORD;   // DWORD
  cInfo: DWORD;   // DWORD
  pInfo: Pointer   // void*
); stdcall;
  external 'NTDSAPI.dll' name 'DsFreeDomainControllerInfoA';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DsFreeDomainControllerInfoA"
  c_DsFreeDomainControllerInfoA :: Word32 -> Word32 -> Ptr () -> IO ()
-- InfoLevel : DWORD -> Word32
-- cInfo : DWORD -> Word32
-- pInfo : void* -> 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 dsfreedomaincontrollerinfoa =
  foreign "DsFreeDomainControllerInfoA"
    (uint32_t @-> uint32_t @-> (ptr void) @-> returning void)
(* InfoLevel : DWORD -> uint32_t *)
(* cInfo : DWORD -> uint32_t *)
(* pInfo : void* -> (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 ntdsapi (t "NTDSAPI.dll"))
(cffi:use-foreign-library ntdsapi)

(cffi:defcfun ("DsFreeDomainControllerInfoA" ds-free-domain-controller-info-a :convention :stdcall) :void
  (info-level :uint32)   ; DWORD
  (c-info :uint32)   ; DWORD
  (p-info :pointer))   ; void*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $DsFreeDomainControllerInfoA = Win32::API::More->new('NTDSAPI',
    'void DsFreeDomainControllerInfoA(DWORD InfoLevel, DWORD cInfo, LPVOID pInfo)');
# my $ret = $DsFreeDomainControllerInfoA->Call($InfoLevel, $cInfo, $pInfo);
# InfoLevel : DWORD -> DWORD
# cInfo : DWORD -> DWORD
# pInfo : void* -> 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

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