DhcpAuditLogGetParams

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

DWORD DhcpAuditLogGetParams(
    LPWSTR ServerIpAddress,   // optional
    DWORD Flags,
    LPWSTR* AuditLogDir,
    DWORD* DiskCheckInterval,
    DWORD* MaxLogFilesSize,
    DWORD* MinSpaceOnDisk
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpAuditLogGetParams(
    <MarshalAs(UnmanagedType.LPWStr)> ServerIpAddress As String,   ' LPWSTR optional
    Flags As UInteger,   ' DWORD
    AuditLogDir As IntPtr,   ' LPWSTR* out
    ByRef DiskCheckInterval As UInteger,   ' DWORD* in/out
    ByRef MaxLogFilesSize As UInteger,   ' DWORD* in/out
    ByRef MinSpaceOnDisk As UInteger   ' DWORD* in/out
) As UInteger
End Function

' ServerIpAddress : LPWSTR optional
' Flags : DWORD
' AuditLogDir : LPWSTR* out
' DiskCheckInterval : DWORD* in/out
' MaxLogFilesSize : DWORD* in/out
' MinSpaceOnDisk : DWORD* in/out
Declare PtrSafe Function DhcpAuditLogGetParams Lib "dhcpsapi" ( _
    ByVal ServerIpAddress As LongPtr, _
    ByVal Flags As Long, _
    ByVal AuditLogDir As LongPtr, _
    ByRef DiskCheckInterval As Long, _
    ByRef MaxLogFilesSize As Long, _
    ByRef MinSpaceOnDisk As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DhcpAuditLogGetParams = ctypes.windll.dhcpsapi.DhcpAuditLogGetParams
DhcpAuditLogGetParams.restype = wintypes.DWORD
DhcpAuditLogGetParams.argtypes = [
    wintypes.LPCWSTR,  # ServerIpAddress : LPWSTR optional
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # AuditLogDir : LPWSTR* out
    ctypes.POINTER(wintypes.DWORD),  # DiskCheckInterval : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # MaxLogFilesSize : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # MinSpaceOnDisk : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpAuditLogGetParams = Fiddle::Function.new(
  lib['DhcpAuditLogGetParams'],
  [
    Fiddle::TYPE_VOIDP,  # ServerIpAddress : LPWSTR optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # AuditLogDir : LPWSTR* out
    Fiddle::TYPE_VOIDP,  # DiskCheckInterval : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # MaxLogFilesSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # MinSpaceOnDisk : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpAuditLogGetParams(
        ServerIpAddress: *mut u16,  // LPWSTR optional
        Flags: u32,  // DWORD
        AuditLogDir: *mut *mut u16,  // LPWSTR* out
        DiskCheckInterval: *mut u32,  // DWORD* in/out
        MaxLogFilesSize: *mut u32,  // DWORD* in/out
        MinSpaceOnDisk: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpAuditLogGetParams([MarshalAs(UnmanagedType.LPWStr)] string ServerIpAddress, uint Flags, IntPtr AuditLogDir, ref uint DiskCheckInterval, ref uint MaxLogFilesSize, ref uint MinSpaceOnDisk);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpAuditLogGetParams' -Namespace Win32 -PassThru
# $api::DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk)

#uselib "DHCPSAPI.dll"
#func global DhcpAuditLogGetParams "DhcpAuditLogGetParams" sptr, sptr, sptr, sptr, sptr, sptr
; DhcpAuditLogGetParams ServerIpAddress, Flags, varptr(AuditLogDir), varptr(DiskCheckInterval), varptr(MaxLogFilesSize), varptr(MinSpaceOnDisk)   ; 戻り値は stat
; ServerIpAddress : LPWSTR optional -> "sptr"
; Flags : DWORD -> "sptr"
; AuditLogDir : LPWSTR* out -> "sptr"
; DiskCheckInterval : DWORD* in/out -> "sptr"
; MaxLogFilesSize : DWORD* in/out -> "sptr"
; MinSpaceOnDisk : DWORD* in/out -> "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。

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

var (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpAuditLogGetParams = dhcpsapi.NewProc("DhcpAuditLogGetParams")
)

// ServerIpAddress (LPWSTR optional), Flags (DWORD), AuditLogDir (LPWSTR* out), DiskCheckInterval (DWORD* in/out), MaxLogFilesSize (DWORD* in/out), MinSpaceOnDisk (DWORD* in/out)
r1, _, err := procDhcpAuditLogGetParams.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerIpAddress))),
	uintptr(Flags),
	uintptr(AuditLogDir),
	uintptr(DiskCheckInterval),
	uintptr(MaxLogFilesSize),
	uintptr(MinSpaceOnDisk),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpAuditLogGetParams(
  ServerIpAddress: PWideChar;   // LPWSTR optional
  Flags: DWORD;   // DWORD
  AuditLogDir: PPWideChar;   // LPWSTR* out
  DiskCheckInterval: Pointer;   // DWORD* in/out
  MaxLogFilesSize: Pointer;   // DWORD* in/out
  MinSpaceOnDisk: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpAuditLogGetParams';

result := DllCall("DHCPSAPI\DhcpAuditLogGetParams"
    , "WStr", ServerIpAddress   ; LPWSTR optional
    , "UInt", Flags   ; DWORD
    , "Ptr", AuditLogDir   ; LPWSTR* out
    , "Ptr", DiskCheckInterval   ; DWORD* in/out
    , "Ptr", MaxLogFilesSize   ; DWORD* in/out
    , "Ptr", MinSpaceOnDisk   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk) = DLL("DHCPSAPI.dll", "dword DhcpAuditLogGetParams(char*, dword, void*, void*, void*, void*)")
# 呼び出し: DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk)
# ServerIpAddress : LPWSTR optional -> "char*"
# Flags : DWORD -> "dword"
# AuditLogDir : LPWSTR* out -> "void*"
# DiskCheckInterval : DWORD* in/out -> "void*"
# MaxLogFilesSize : DWORD* in/out -> "void*"
# MinSpaceOnDisk : DWORD* in/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)。

const std = @import("std");

extern "dhcpsapi" fn DhcpAuditLogGetParams(
    ServerIpAddress: [*c]const u16, // LPWSTR optional
    Flags: u32, // DWORD
    AuditLogDir: [*c][*c]u16, // LPWSTR* out
    DiskCheckInterval: [*c]u32, // DWORD* in/out
    MaxLogFilesSize: [*c]u32, // DWORD* in/out
    MinSpaceOnDisk: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u32;

proc DhcpAuditLogGetParams(
    ServerIpAddress: WideCString,  # LPWSTR optional
    Flags: uint32,  # DWORD
    AuditLogDir: ptr WideCString,  # LPWSTR* out
    DiskCheckInterval: ptr uint32,  # DWORD* in/out
    MaxLogFilesSize: ptr uint32,  # DWORD* in/out
    MinSpaceOnDisk: ptr uint32  # DWORD* in/out
): uint32 {.importc: "DhcpAuditLogGetParams", stdcall, dynlib: "DHCPSAPI.dll".}

pragma(lib, "dhcpsapi");
extern(Windows)
uint DhcpAuditLogGetParams(
    const(wchar)* ServerIpAddress,   // LPWSTR optional
    uint Flags,   // DWORD
    wchar** AuditLogDir,   // LPWSTR* out
    uint* DiskCheckInterval,   // DWORD* in/out
    uint* MaxLogFilesSize,   // DWORD* in/out
    uint* MinSpaceOnDisk   // DWORD* in/out
);

ccall((:DhcpAuditLogGetParams, "DHCPSAPI.dll"), stdcall, UInt32,
      (Cwstring, UInt32, Ptr{Ptr{UInt16}}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}),
      ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk)
# ServerIpAddress : LPWSTR optional -> Cwstring
# Flags : DWORD -> UInt32
# AuditLogDir : LPWSTR* out -> Ptr{Ptr{UInt16}}
# DiskCheckInterval : DWORD* in/out -> Ptr{UInt32}
# MaxLogFilesSize : DWORD* in/out -> Ptr{UInt32}
# MinSpaceOnDisk : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DhcpAuditLogGetParams(
    const uint16_t* ServerIpAddress,
    uint32_t Flags,
    uint16_t** AuditLogDir,
    uint32_t* DiskCheckInterval,
    uint32_t* MaxLogFilesSize,
    uint32_t* MinSpaceOnDisk);
]]
local dhcpsapi = ffi.load("dhcpsapi")
-- dhcpsapi.DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk)
-- ServerIpAddress : LPWSTR optional
-- Flags : DWORD
-- AuditLogDir : LPWSTR* out
-- DiskCheckInterval : DWORD* in/out
-- MaxLogFilesSize : DWORD* in/out
-- MinSpaceOnDisk : DWORD* in/out
-- 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('DHCPSAPI.dll');
const DhcpAuditLogGetParams = lib.func('__stdcall', 'DhcpAuditLogGetParams', 'uint32_t', ['str16', 'uint32_t', 'void *', 'uint32_t *', 'uint32_t *', 'uint32_t *']);
// DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk)
// ServerIpAddress : LPWSTR optional -> 'str16'
// Flags : DWORD -> 'uint32_t'
// AuditLogDir : LPWSTR* out -> 'void *'
// DiskCheckInterval : DWORD* in/out -> 'uint32_t *'
// MaxLogFilesSize : DWORD* in/out -> 'uint32_t *'
// MinSpaceOnDisk : DWORD* in/out -> 'uint32_t *'
// 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("DHCPSAPI.dll", {
  DhcpAuditLogGetParams: { parameters: ["buffer", "u32", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk)
// ServerIpAddress : LPWSTR optional -> "buffer"
// Flags : DWORD -> "u32"
// AuditLogDir : LPWSTR* out -> "pointer"
// DiskCheckInterval : DWORD* in/out -> "pointer"
// MaxLogFilesSize : DWORD* in/out -> "pointer"
// MinSpaceOnDisk : DWORD* in/out -> "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
uint32_t DhcpAuditLogGetParams(
    const uint16_t* ServerIpAddress,
    uint32_t Flags,
    uint16_t** AuditLogDir,
    uint32_t* DiskCheckInterval,
    uint32_t* MaxLogFilesSize,
    uint32_t* MinSpaceOnDisk);
C, "DHCPSAPI.dll");
// $ffi->DhcpAuditLogGetParams(ServerIpAddress, Flags, AuditLogDir, DiskCheckInterval, MaxLogFilesSize, MinSpaceOnDisk);
// ServerIpAddress : LPWSTR optional
// Flags : DWORD
// AuditLogDir : LPWSTR* out
// DiskCheckInterval : DWORD* in/out
// MaxLogFilesSize : DWORD* in/out
// MinSpaceOnDisk : DWORD* in/out
// 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 Dhcpsapi extends StdCallLibrary {
    Dhcpsapi INSTANCE = Native.load("dhcpsapi", Dhcpsapi.class);
    int DhcpAuditLogGetParams(
        WString ServerIpAddress,   // LPWSTR optional
        int Flags,   // DWORD
        PointerByReference AuditLogDir,   // LPWSTR* out
        IntByReference DiskCheckInterval,   // DWORD* in/out
        IntByReference MaxLogFilesSize,   // DWORD* in/out
        IntByReference MinSpaceOnDisk   // DWORD* in/out
    );
}

@[Link("dhcpsapi")]
lib LibDHCPSAPI
  fun DhcpAuditLogGetParams = DhcpAuditLogGetParams(
    ServerIpAddress : UInt16*,   # LPWSTR optional
    Flags : UInt32,   # DWORD
    AuditLogDir : UInt16**,   # LPWSTR* out
    DiskCheckInterval : UInt32*,   # DWORD* in/out
    MaxLogFilesSize : UInt32*,   # DWORD* in/out
    MinSpaceOnDisk : UInt32*   # DWORD* in/out
  ) : UInt32
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 DhcpAuditLogGetParamsNative = Uint32 Function(Pointer<Utf16>, Uint32, Pointer<Pointer<Utf16>>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
typedef DhcpAuditLogGetParamsDart = int Function(Pointer<Utf16>, int, Pointer<Pointer<Utf16>>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
final DhcpAuditLogGetParams = DynamicLibrary.open('DHCPSAPI.dll')
    .lookupFunction<DhcpAuditLogGetParamsNative, DhcpAuditLogGetParamsDart>('DhcpAuditLogGetParams');
// ServerIpAddress : LPWSTR optional -> Pointer<Utf16>
// Flags : DWORD -> Uint32
// AuditLogDir : LPWSTR* out -> Pointer<Pointer<Utf16>>
// DiskCheckInterval : DWORD* in/out -> Pointer<Uint32>
// MaxLogFilesSize : DWORD* in/out -> Pointer<Uint32>
// MinSpaceOnDisk : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DhcpAuditLogGetParams(
  ServerIpAddress: PWideChar;   // LPWSTR optional
  Flags: DWORD;   // DWORD
  AuditLogDir: PPWideChar;   // LPWSTR* out
  DiskCheckInterval: Pointer;   // DWORD* in/out
  MaxLogFilesSize: Pointer;   // DWORD* in/out
  MinSpaceOnDisk: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpAuditLogGetParams';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DhcpAuditLogGetParams"
  c_DhcpAuditLogGetParams :: CWString -> Word32 -> Ptr CWString -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> IO Word32
-- ServerIpAddress : LPWSTR optional -> CWString
-- Flags : DWORD -> Word32
-- AuditLogDir : LPWSTR* out -> Ptr CWString
-- DiskCheckInterval : DWORD* in/out -> Ptr Word32
-- MaxLogFilesSize : DWORD* in/out -> Ptr Word32
-- MinSpaceOnDisk : DWORD* in/out -> Ptr Word32
-- 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 dhcpauditloggetparams =
  foreign "DhcpAuditLogGetParams"
    ((ptr uint16_t) @-> uint32_t @-> (ptr (ptr uint16_t)) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* ServerIpAddress : LPWSTR optional -> (ptr uint16_t) *)
(* Flags : DWORD -> uint32_t *)
(* AuditLogDir : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* DiskCheckInterval : DWORD* in/out -> (ptr uint32_t) *)
(* MaxLogFilesSize : DWORD* in/out -> (ptr uint32_t) *)
(* MinSpaceOnDisk : DWORD* in/out -> (ptr uint32_t) *)
(* 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 dhcpsapi (t "DHCPSAPI.dll"))
(cffi:use-foreign-library dhcpsapi)

(cffi:defcfun ("DhcpAuditLogGetParams" dhcp-audit-log-get-params :convention :stdcall) :uint32
  (server-ip-address (:string :encoding :utf-16le))   ; LPWSTR optional
  (flags :uint32)   ; DWORD
  (audit-log-dir :pointer)   ; LPWSTR* out
  (disk-check-interval :pointer)   ; DWORD* in/out
  (max-log-files-size :pointer)   ; DWORD* in/out
  (min-space-on-disk :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DhcpAuditLogGetParams = Win32::API::More->new('DHCPSAPI',
    'DWORD DhcpAuditLogGetParams(LPCWSTR ServerIpAddress, DWORD Flags, LPVOID AuditLogDir, LPVOID DiskCheckInterval, LPVOID MaxLogFilesSize, LPVOID MinSpaceOnDisk)');
# my $ret = $DhcpAuditLogGetParams->Call($ServerIpAddress, $Flags, $AuditLogDir, $DiskCheckInterval, $MaxLogFilesSize, $MinSpaceOnDisk);
# ServerIpAddress : LPWSTR optional -> LPCWSTR
# Flags : DWORD -> DWORD
# AuditLogDir : LPWSTR* out -> LPVOID
# DiskCheckInterval : DWORD* in/out -> LPVOID
# MaxLogFilesSize : DWORD* in/out -> LPVOID
# MinSpaceOnDisk : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。