DRMGetCertificateChainCount

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

HRESULT DRMGetCertificateChainCount(
    LPWSTR wszChain,
    DWORD* pcCertCount
);

<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMGetCertificateChainCount(
    <MarshalAs(UnmanagedType.LPWStr)> wszChain As String,   ' LPWSTR
    ByRef pcCertCount As UInteger   ' DWORD* in/out
) As Integer
End Function

' wszChain : LPWSTR
' pcCertCount : DWORD* in/out
Declare PtrSafe Function DRMGetCertificateChainCount Lib "msdrm" ( _
    ByVal wszChain As LongPtr, _
    ByRef pcCertCount 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

DRMGetCertificateChainCount = ctypes.windll.msdrm.DRMGetCertificateChainCount
DRMGetCertificateChainCount.restype = ctypes.c_int
DRMGetCertificateChainCount.argtypes = [
    wintypes.LPCWSTR,  # wszChain : LPWSTR
    ctypes.POINTER(wintypes.DWORD),  # pcCertCount : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMGetCertificateChainCount = Fiddle::Function.new(
  lib['DRMGetCertificateChainCount'],
  [
    Fiddle::TYPE_VOIDP,  # wszChain : LPWSTR
    Fiddle::TYPE_VOIDP,  # pcCertCount : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdrm")]
extern "system" {
    fn DRMGetCertificateChainCount(
        wszChain: *mut u16,  // LPWSTR
        pcCertCount: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMGetCertificateChainCount([MarshalAs(UnmanagedType.LPWStr)] string wszChain, ref uint pcCertCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMGetCertificateChainCount' -Namespace Win32 -PassThru
# $api::DRMGetCertificateChainCount(wszChain, pcCertCount)

#uselib "msdrm.dll"
#func global DRMGetCertificateChainCount "DRMGetCertificateChainCount" sptr, sptr
; DRMGetCertificateChainCount wszChain, varptr(pcCertCount)   ; 戻り値は stat
; wszChain : LPWSTR -> "sptr"
; pcCertCount : 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 (
	msdrm = windows.NewLazySystemDLL("msdrm.dll")
	procDRMGetCertificateChainCount = msdrm.NewProc("DRMGetCertificateChainCount")
)

// wszChain (LPWSTR), pcCertCount (DWORD* in/out)
r1, _, err := procDRMGetCertificateChainCount.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszChain))),
	uintptr(pcCertCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DRMGetCertificateChainCount(
  wszChain: PWideChar;   // LPWSTR
  pcCertCount: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMGetCertificateChainCount';

result := DllCall("msdrm\DRMGetCertificateChainCount"
    , "WStr", wszChain   ; LPWSTR
    , "Ptr", pcCertCount   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●DRMGetCertificateChainCount(wszChain, pcCertCount) = DLL("msdrm.dll", "int DRMGetCertificateChainCount(char*, void*)")
# 呼び出し: DRMGetCertificateChainCount(wszChain, pcCertCount)
# wszChain : LPWSTR -> "char*"
# pcCertCount : 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 "msdrm" fn DRMGetCertificateChainCount(
    wszChain: [*c]const u16, // LPWSTR
    pcCertCount: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc DRMGetCertificateChainCount(
    wszChain: WideCString,  # LPWSTR
    pcCertCount: ptr uint32  # DWORD* in/out
): int32 {.importc: "DRMGetCertificateChainCount", stdcall, dynlib: "msdrm.dll".}

pragma(lib, "msdrm");
extern(Windows)
int DRMGetCertificateChainCount(
    const(wchar)* wszChain,   // LPWSTR
    uint* pcCertCount   // DWORD* in/out
);

ccall((:DRMGetCertificateChainCount, "msdrm.dll"), stdcall, Int32,
      (Cwstring, Ptr{UInt32}),
      wszChain, pcCertCount)
# wszChain : LPWSTR -> Cwstring
# pcCertCount : 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[[
int32_t DRMGetCertificateChainCount(
    const uint16_t* wszChain,
    uint32_t* pcCertCount);
]]
local msdrm = ffi.load("msdrm")
-- msdrm.DRMGetCertificateChainCount(wszChain, pcCertCount)
-- wszChain : LPWSTR
-- pcCertCount : 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('msdrm.dll');
const DRMGetCertificateChainCount = lib.func('__stdcall', 'DRMGetCertificateChainCount', 'int32_t', ['str16', 'uint32_t *']);
// DRMGetCertificateChainCount(wszChain, pcCertCount)
// wszChain : LPWSTR -> 'str16'
// pcCertCount : 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("msdrm.dll", {
  DRMGetCertificateChainCount: { parameters: ["buffer", "pointer"], result: "i32" },
});
// lib.symbols.DRMGetCertificateChainCount(wszChain, pcCertCount)
// wszChain : LPWSTR -> "buffer"
// pcCertCount : 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
int32_t DRMGetCertificateChainCount(
    const uint16_t* wszChain,
    uint32_t* pcCertCount);
C, "msdrm.dll");
// $ffi->DRMGetCertificateChainCount(wszChain, pcCertCount);
// wszChain : LPWSTR
// pcCertCount : 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 Msdrm extends StdCallLibrary {
    Msdrm INSTANCE = Native.load("msdrm", Msdrm.class);
    int DRMGetCertificateChainCount(
        WString wszChain,   // LPWSTR
        IntByReference pcCertCount   // DWORD* in/out
    );
}

@[Link("msdrm")]
lib Libmsdrm
  fun DRMGetCertificateChainCount = DRMGetCertificateChainCount(
    wszChain : UInt16*,   # LPWSTR
    pcCertCount : UInt32*   # DWORD* in/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 DRMGetCertificateChainCountNative = Int32 Function(Pointer<Utf16>, Pointer<Uint32>);
typedef DRMGetCertificateChainCountDart = int Function(Pointer<Utf16>, Pointer<Uint32>);
final DRMGetCertificateChainCount = DynamicLibrary.open('msdrm.dll')
    .lookupFunction<DRMGetCertificateChainCountNative, DRMGetCertificateChainCountDart>('DRMGetCertificateChainCount');
// wszChain : LPWSTR -> Pointer<Utf16>
// pcCertCount : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DRMGetCertificateChainCount(
  wszChain: PWideChar;   // LPWSTR
  pcCertCount: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMGetCertificateChainCount';

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

foreign import stdcall safe "DRMGetCertificateChainCount"
  c_DRMGetCertificateChainCount :: CWString -> Ptr Word32 -> IO Int32
-- wszChain : LPWSTR -> CWString
-- pcCertCount : 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 drmgetcertificatechaincount =
  foreign "DRMGetCertificateChainCount"
    ((ptr uint16_t) @-> (ptr uint32_t) @-> returning int32_t)
(* wszChain : LPWSTR -> (ptr uint16_t) *)
(* pcCertCount : 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 msdrm (t "msdrm.dll"))
(cffi:use-foreign-library msdrm)

(cffi:defcfun ("DRMGetCertificateChainCount" drmget-certificate-chain-count :convention :stdcall) :int32
  (wsz-chain (:string :encoding :utf-16le))   ; LPWSTR
  (pc-cert-count :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 $DRMGetCertificateChainCount = Win32::API::More->new('msdrm',
    'int DRMGetCertificateChainCount(LPCWSTR wszChain, LPVOID pcCertCount)');
# my $ret = $DRMGetCertificateChainCount->Call($wszChain, $pcCertCount);
# wszChain : LPWSTR -> LPCWSTR
# pcCertCount : 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。