DRMEnumerateLicense

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

HRESULT DRMEnumerateLicense(
    DWORD hSession,
    DWORD uFlags,
    DWORD uIndex,
    BOOL* pfSharedFlag,
    DWORD* puCertificateDataLen,
    LPWSTR wszCertificateData   // optional
);

<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMEnumerateLicense(
    hSession As UInteger,   ' DWORD
    uFlags As UInteger,   ' DWORD
    uIndex As UInteger,   ' DWORD
    ByRef pfSharedFlag As Boolean,   ' BOOL* in/out
    ByRef puCertificateDataLen As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> wszCertificateData As System.Text.StringBuilder   ' LPWSTR optional, out
) As Integer
End Function

' hSession : DWORD
' uFlags : DWORD
' uIndex : DWORD
' pfSharedFlag : BOOL* in/out
' puCertificateDataLen : DWORD* in/out
' wszCertificateData : LPWSTR optional, out
Declare PtrSafe Function DRMEnumerateLicense Lib "msdrm" ( _
    ByVal hSession As Long, _
    ByVal uFlags As Long, _
    ByVal uIndex As Long, _
    ByRef pfSharedFlag As Long, _
    ByRef puCertificateDataLen As Long, _
    ByVal wszCertificateData As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DRMEnumerateLicense = ctypes.windll.msdrm.DRMEnumerateLicense
DRMEnumerateLicense.restype = ctypes.c_int
DRMEnumerateLicense.argtypes = [
    wintypes.DWORD,  # hSession : DWORD
    wintypes.DWORD,  # uFlags : DWORD
    wintypes.DWORD,  # uIndex : DWORD
    ctypes.c_void_p,  # pfSharedFlag : BOOL* in/out
    ctypes.POINTER(wintypes.DWORD),  # puCertificateDataLen : DWORD* in/out
    wintypes.LPWSTR,  # wszCertificateData : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMEnumerateLicense = Fiddle::Function.new(
  lib['DRMEnumerateLicense'],
  [
    -Fiddle::TYPE_INT,  # hSession : DWORD
    -Fiddle::TYPE_INT,  # uFlags : DWORD
    -Fiddle::TYPE_INT,  # uIndex : DWORD
    Fiddle::TYPE_VOIDP,  # pfSharedFlag : BOOL* in/out
    Fiddle::TYPE_VOIDP,  # puCertificateDataLen : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # wszCertificateData : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdrm")]
extern "system" {
    fn DRMEnumerateLicense(
        hSession: u32,  // DWORD
        uFlags: u32,  // DWORD
        uIndex: u32,  // DWORD
        pfSharedFlag: *mut i32,  // BOOL* in/out
        puCertificateDataLen: *mut u32,  // DWORD* in/out
        wszCertificateData: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMEnumerateLicense(uint hSession, uint uFlags, uint uIndex, ref bool pfSharedFlag, ref uint puCertificateDataLen, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder wszCertificateData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMEnumerateLicense' -Namespace Win32 -PassThru
# $api::DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData)

#uselib "msdrm.dll"
#func global DRMEnumerateLicense "DRMEnumerateLicense" sptr, sptr, sptr, sptr, sptr, sptr
; DRMEnumerateLicense hSession, uFlags, uIndex, varptr(pfSharedFlag), varptr(puCertificateDataLen), varptr(wszCertificateData)   ; 戻り値は stat
; hSession : DWORD -> "sptr"
; uFlags : DWORD -> "sptr"
; uIndex : DWORD -> "sptr"
; pfSharedFlag : BOOL* in/out -> "sptr"
; puCertificateDataLen : DWORD* in/out -> "sptr"
; wszCertificateData : LPWSTR optional, 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 (
	msdrm = windows.NewLazySystemDLL("msdrm.dll")
	procDRMEnumerateLicense = msdrm.NewProc("DRMEnumerateLicense")
)

// hSession (DWORD), uFlags (DWORD), uIndex (DWORD), pfSharedFlag (BOOL* in/out), puCertificateDataLen (DWORD* in/out), wszCertificateData (LPWSTR optional, out)
r1, _, err := procDRMEnumerateLicense.Call(
	uintptr(hSession),
	uintptr(uFlags),
	uintptr(uIndex),
	uintptr(pfSharedFlag),
	uintptr(puCertificateDataLen),
	uintptr(wszCertificateData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DRMEnumerateLicense(
  hSession: DWORD;   // DWORD
  uFlags: DWORD;   // DWORD
  uIndex: DWORD;   // DWORD
  pfSharedFlag: Pointer;   // BOOL* in/out
  puCertificateDataLen: Pointer;   // DWORD* in/out
  wszCertificateData: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMEnumerateLicense';

result := DllCall("msdrm\DRMEnumerateLicense"
    , "UInt", hSession   ; DWORD
    , "UInt", uFlags   ; DWORD
    , "UInt", uIndex   ; DWORD
    , "Ptr", pfSharedFlag   ; BOOL* in/out
    , "Ptr", puCertificateDataLen   ; DWORD* in/out
    , "Ptr", wszCertificateData   ; LPWSTR optional, out
    , "Int")   ; return: HRESULT

●DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData) = DLL("msdrm.dll", "int DRMEnumerateLicense(dword, dword, dword, void*, void*, char*)")
# 呼び出し: DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData)
# hSession : DWORD -> "dword"
# uFlags : DWORD -> "dword"
# uIndex : DWORD -> "dword"
# pfSharedFlag : BOOL* in/out -> "void*"
# puCertificateDataLen : DWORD* in/out -> "void*"
# wszCertificateData : LPWSTR optional, out -> "char*"
# 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 "msdrm" fn DRMEnumerateLicense(
    hSession: u32, // DWORD
    uFlags: u32, // DWORD
    uIndex: u32, // DWORD
    pfSharedFlag: [*c]i32, // BOOL* in/out
    puCertificateDataLen: [*c]u32, // DWORD* in/out
    wszCertificateData: [*c]u16 // LPWSTR optional, out
) callconv(std.os.windows.WINAPI) i32;

proc DRMEnumerateLicense(
    hSession: uint32,  # DWORD
    uFlags: uint32,  # DWORD
    uIndex: uint32,  # DWORD
    pfSharedFlag: ptr int32,  # BOOL* in/out
    puCertificateDataLen: ptr uint32,  # DWORD* in/out
    wszCertificateData: ptr uint16  # LPWSTR optional, out
): int32 {.importc: "DRMEnumerateLicense", stdcall, dynlib: "msdrm.dll".}

pragma(lib, "msdrm");
extern(Windows)
int DRMEnumerateLicense(
    uint hSession,   // DWORD
    uint uFlags,   // DWORD
    uint uIndex,   // DWORD
    int* pfSharedFlag,   // BOOL* in/out
    uint* puCertificateDataLen,   // DWORD* in/out
    wchar* wszCertificateData   // LPWSTR optional, out
);

ccall((:DRMEnumerateLicense, "msdrm.dll"), stdcall, Int32,
      (UInt32, UInt32, UInt32, Ptr{Int32}, Ptr{UInt32}, Ptr{UInt16}),
      hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData)
# hSession : DWORD -> UInt32
# uFlags : DWORD -> UInt32
# uIndex : DWORD -> UInt32
# pfSharedFlag : BOOL* in/out -> Ptr{Int32}
# puCertificateDataLen : DWORD* in/out -> Ptr{UInt32}
# wszCertificateData : LPWSTR optional, out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DRMEnumerateLicense(
    uint32_t hSession,
    uint32_t uFlags,
    uint32_t uIndex,
    int32_t* pfSharedFlag,
    uint32_t* puCertificateDataLen,
    uint16_t* wszCertificateData);
]]
local msdrm = ffi.load("msdrm")
-- msdrm.DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData)
-- hSession : DWORD
-- uFlags : DWORD
-- uIndex : DWORD
-- pfSharedFlag : BOOL* in/out
-- puCertificateDataLen : DWORD* in/out
-- wszCertificateData : LPWSTR optional, 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('msdrm.dll');
const DRMEnumerateLicense = lib.func('__stdcall', 'DRMEnumerateLicense', 'int32_t', ['uint32_t', 'uint32_t', 'uint32_t', 'int32_t *', 'uint32_t *', 'uint16_t *']);
// DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData)
// hSession : DWORD -> 'uint32_t'
// uFlags : DWORD -> 'uint32_t'
// uIndex : DWORD -> 'uint32_t'
// pfSharedFlag : BOOL* in/out -> 'int32_t *'
// puCertificateDataLen : DWORD* in/out -> 'uint32_t *'
// wszCertificateData : LPWSTR optional, out -> 'uint16_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("msdrm.dll", {
  DRMEnumerateLicense: { parameters: ["u32", "u32", "u32", "pointer", "pointer", "buffer"], result: "i32" },
});
// lib.symbols.DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData)
// hSession : DWORD -> "u32"
// uFlags : DWORD -> "u32"
// uIndex : DWORD -> "u32"
// pfSharedFlag : BOOL* in/out -> "pointer"
// puCertificateDataLen : DWORD* in/out -> "pointer"
// wszCertificateData : LPWSTR optional, out -> "buffer"
// 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
int32_t DRMEnumerateLicense(
    uint32_t hSession,
    uint32_t uFlags,
    uint32_t uIndex,
    int32_t* pfSharedFlag,
    uint32_t* puCertificateDataLen,
    uint16_t* wszCertificateData);
C, "msdrm.dll");
// $ffi->DRMEnumerateLicense(hSession, uFlags, uIndex, pfSharedFlag, puCertificateDataLen, wszCertificateData);
// hSession : DWORD
// uFlags : DWORD
// uIndex : DWORD
// pfSharedFlag : BOOL* in/out
// puCertificateDataLen : DWORD* in/out
// wszCertificateData : LPWSTR optional, 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 Msdrm extends StdCallLibrary {
    Msdrm INSTANCE = Native.load("msdrm", Msdrm.class);
    int DRMEnumerateLicense(
        int hSession,   // DWORD
        int uFlags,   // DWORD
        int uIndex,   // DWORD
        IntByReference pfSharedFlag,   // BOOL* in/out
        IntByReference puCertificateDataLen,   // DWORD* in/out
        char[] wszCertificateData   // LPWSTR optional, out
    );
}

@[Link("msdrm")]
lib Libmsdrm
  fun DRMEnumerateLicense = DRMEnumerateLicense(
    hSession : UInt32,   # DWORD
    uFlags : UInt32,   # DWORD
    uIndex : UInt32,   # DWORD
    pfSharedFlag : Int32*,   # BOOL* in/out
    puCertificateDataLen : UInt32*,   # DWORD* in/out
    wszCertificateData : UInt16*   # LPWSTR optional, out
  ) : Int32
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 DRMEnumerateLicenseNative = Int32 Function(Uint32, Uint32, Uint32, Pointer<Int32>, Pointer<Uint32>, Pointer<Utf16>);
typedef DRMEnumerateLicenseDart = int Function(int, int, int, Pointer<Int32>, Pointer<Uint32>, Pointer<Utf16>);
final DRMEnumerateLicense = DynamicLibrary.open('msdrm.dll')
    .lookupFunction<DRMEnumerateLicenseNative, DRMEnumerateLicenseDart>('DRMEnumerateLicense');
// hSession : DWORD -> Uint32
// uFlags : DWORD -> Uint32
// uIndex : DWORD -> Uint32
// pfSharedFlag : BOOL* in/out -> Pointer<Int32>
// puCertificateDataLen : DWORD* in/out -> Pointer<Uint32>
// wszCertificateData : LPWSTR optional, out -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DRMEnumerateLicense(
  hSession: DWORD;   // DWORD
  uFlags: DWORD;   // DWORD
  uIndex: DWORD;   // DWORD
  pfSharedFlag: Pointer;   // BOOL* in/out
  puCertificateDataLen: Pointer;   // DWORD* in/out
  wszCertificateData: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMEnumerateLicense';

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

foreign import stdcall safe "DRMEnumerateLicense"
  c_DRMEnumerateLicense :: Word32 -> Word32 -> Word32 -> Ptr CInt -> Ptr Word32 -> CWString -> IO Int32
-- hSession : DWORD -> Word32
-- uFlags : DWORD -> Word32
-- uIndex : DWORD -> Word32
-- pfSharedFlag : BOOL* in/out -> Ptr CInt
-- puCertificateDataLen : DWORD* in/out -> Ptr Word32
-- wszCertificateData : LPWSTR optional, out -> CWString
-- 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 drmenumeratelicense =
  foreign "DRMEnumerateLicense"
    (uint32_t @-> uint32_t @-> uint32_t @-> (ptr int32_t) @-> (ptr uint32_t) @-> (ptr uint16_t) @-> returning int32_t)
(* hSession : DWORD -> uint32_t *)
(* uFlags : DWORD -> uint32_t *)
(* uIndex : DWORD -> uint32_t *)
(* pfSharedFlag : BOOL* in/out -> (ptr int32_t) *)
(* puCertificateDataLen : DWORD* in/out -> (ptr uint32_t) *)
(* wszCertificateData : LPWSTR optional, out -> (ptr uint16_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 msdrm (t "msdrm.dll"))
(cffi:use-foreign-library msdrm)

(cffi:defcfun ("DRMEnumerateLicense" drmenumerate-license :convention :stdcall) :int32
  (h-session :uint32)   ; DWORD
  (u-flags :uint32)   ; DWORD
  (u-index :uint32)   ; DWORD
  (pf-shared-flag :pointer)   ; BOOL* in/out
  (pu-certificate-data-len :pointer)   ; DWORD* in/out
  (wsz-certificate-data :pointer))   ; LPWSTR optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DRMEnumerateLicense = Win32::API::More->new('msdrm',
    'int DRMEnumerateLicense(DWORD hSession, DWORD uFlags, DWORD uIndex, LPVOID pfSharedFlag, LPVOID puCertificateDataLen, LPWSTR wszCertificateData)');
# my $ret = $DRMEnumerateLicense->Call($hSession, $uFlags, $uIndex, $pfSharedFlag, $puCertificateDataLen, $wszCertificateData);
# hSession : DWORD -> DWORD
# uFlags : DWORD -> DWORD
# uIndex : DWORD -> DWORD
# pfSharedFlag : BOOL* in/out -> LPVOID
# puCertificateDataLen : DWORD* in/out -> LPVOID
# wszCertificateData : LPWSTR optional, out -> LPWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。