CoMarshalInterface

// OLE32.dll
#include <windows.h>

HRESULT CoMarshalInterface(
    IStream* pStm,
    const GUID* riid,
    IUnknown* pUnk,
    DWORD dwDestContext,
    void* pvDestContext,   // optional
    DWORD mshlflags
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoMarshalInterface(
    pStm As IntPtr,   ' IStream*
    ByRef riid As Guid,   ' GUID*
    pUnk As IntPtr,   ' IUnknown*
    dwDestContext As UInteger,   ' DWORD
    pvDestContext As IntPtr,   ' void* optional
    mshlflags As UInteger   ' DWORD
) As Integer
End Function

' pStm : IStream*
' riid : GUID*
' pUnk : IUnknown*
' dwDestContext : DWORD
' pvDestContext : void* optional
' mshlflags : DWORD
Declare PtrSafe Function CoMarshalInterface Lib "ole32" ( _
    ByVal pStm As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal pUnk As LongPtr, _
    ByVal dwDestContext As Long, _
    ByVal pvDestContext As LongPtr, _
    ByVal mshlflags 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

CoMarshalInterface = ctypes.windll.ole32.CoMarshalInterface
CoMarshalInterface.restype = ctypes.c_int
CoMarshalInterface.argtypes = [
    ctypes.c_void_p,  # pStm : IStream*
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # pUnk : IUnknown*
    wintypes.DWORD,  # dwDestContext : DWORD
    ctypes.POINTER(None),  # pvDestContext : void* optional
    wintypes.DWORD,  # mshlflags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoMarshalInterface = Fiddle::Function.new(
  lib['CoMarshalInterface'],
  [
    Fiddle::TYPE_VOIDP,  # pStm : IStream*
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # pUnk : IUnknown*
    -Fiddle::TYPE_INT,  # dwDestContext : DWORD
    Fiddle::TYPE_VOIDP,  # pvDestContext : void* optional
    -Fiddle::TYPE_INT,  # mshlflags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoMarshalInterface(
        pStm: *mut core::ffi::c_void,  // IStream*
        riid: *const GUID,  // GUID*
        pUnk: *mut core::ffi::c_void,  // IUnknown*
        dwDestContext: u32,  // DWORD
        pvDestContext: *mut (),  // void* optional
        mshlflags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoMarshalInterface(IntPtr pStm, ref Guid riid, IntPtr pUnk, uint dwDestContext, IntPtr pvDestContext, uint mshlflags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoMarshalInterface' -Namespace Win32 -PassThru
# $api::CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags)

#uselib "OLE32.dll"
#func global CoMarshalInterface "CoMarshalInterface" sptr, sptr, sptr, sptr, sptr, sptr
; CoMarshalInterface pStm, varptr(riid), pUnk, dwDestContext, pvDestContext, mshlflags   ; 戻り値は stat
; pStm : IStream* -> "sptr"
; riid : GUID* -> "sptr"
; pUnk : IUnknown* -> "sptr"
; dwDestContext : DWORD -> "sptr"
; pvDestContext : void* optional -> "sptr"
; mshlflags : DWORD -> "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 (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoMarshalInterface = ole32.NewProc("CoMarshalInterface")
)

// pStm (IStream*), riid (GUID*), pUnk (IUnknown*), dwDestContext (DWORD), pvDestContext (void* optional), mshlflags (DWORD)
r1, _, err := procCoMarshalInterface.Call(
	uintptr(pStm),
	uintptr(riid),
	uintptr(pUnk),
	uintptr(dwDestContext),
	uintptr(pvDestContext),
	uintptr(mshlflags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoMarshalInterface(
  pStm: Pointer;   // IStream*
  riid: PGUID;   // GUID*
  pUnk: Pointer;   // IUnknown*
  dwDestContext: DWORD;   // DWORD
  pvDestContext: Pointer;   // void* optional
  mshlflags: DWORD   // DWORD
): Integer; stdcall;
  external 'OLE32.dll' name 'CoMarshalInterface';

result := DllCall("OLE32\CoMarshalInterface"
    , "Ptr", pStm   ; IStream*
    , "Ptr", riid   ; GUID*
    , "Ptr", pUnk   ; IUnknown*
    , "UInt", dwDestContext   ; DWORD
    , "Ptr", pvDestContext   ; void* optional
    , "UInt", mshlflags   ; DWORD
    , "Int")   ; return: HRESULT

●CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags) = DLL("OLE32.dll", "int CoMarshalInterface(void*, void*, void*, dword, void*, dword)")
# 呼び出し: CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags)
# pStm : IStream* -> "void*"
# riid : GUID* -> "void*"
# pUnk : IUnknown* -> "void*"
# dwDestContext : DWORD -> "dword"
# pvDestContext : void* optional -> "void*"
# mshlflags : DWORD -> "dword"
# 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 "ole32" fn CoMarshalInterface(
    pStm: ?*anyopaque, // IStream*
    riid: [*c]GUID, // GUID*
    pUnk: ?*anyopaque, // IUnknown*
    dwDestContext: u32, // DWORD
    pvDestContext: ?*anyopaque, // void* optional
    mshlflags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc CoMarshalInterface(
    pStm: pointer,  # IStream*
    riid: ptr GUID,  # GUID*
    pUnk: pointer,  # IUnknown*
    dwDestContext: uint32,  # DWORD
    pvDestContext: pointer,  # void* optional
    mshlflags: uint32  # DWORD
): int32 {.importc: "CoMarshalInterface", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int CoMarshalInterface(
    void* pStm,   // IStream*
    GUID* riid,   // GUID*
    void* pUnk,   // IUnknown*
    uint dwDestContext,   // DWORD
    void* pvDestContext,   // void* optional
    uint mshlflags   // DWORD
);

ccall((:CoMarshalInterface, "OLE32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{GUID}, Ptr{Cvoid}, UInt32, Ptr{Cvoid}, UInt32),
      pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags)
# pStm : IStream* -> Ptr{Cvoid}
# riid : GUID* -> Ptr{GUID}
# pUnk : IUnknown* -> Ptr{Cvoid}
# dwDestContext : DWORD -> UInt32
# pvDestContext : void* optional -> Ptr{Cvoid}
# mshlflags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CoMarshalInterface(
    void* pStm,
    void* riid,
    void* pUnk,
    uint32_t dwDestContext,
    void* pvDestContext,
    uint32_t mshlflags);
]]
local ole32 = ffi.load("ole32")
-- ole32.CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags)
-- pStm : IStream*
-- riid : GUID*
-- pUnk : IUnknown*
-- dwDestContext : DWORD
-- pvDestContext : void* optional
-- mshlflags : DWORD
-- 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('OLE32.dll');
const CoMarshalInterface = lib.func('__stdcall', 'CoMarshalInterface', 'int32_t', ['void *', 'void *', 'void *', 'uint32_t', 'void *', 'uint32_t']);
// CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags)
// pStm : IStream* -> 'void *'
// riid : GUID* -> 'void *'
// pUnk : IUnknown* -> 'void *'
// dwDestContext : DWORD -> 'uint32_t'
// pvDestContext : void* optional -> 'void *'
// mshlflags : DWORD -> '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("OLE32.dll", {
  CoMarshalInterface: { parameters: ["pointer", "pointer", "pointer", "u32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags)
// pStm : IStream* -> "pointer"
// riid : GUID* -> "pointer"
// pUnk : IUnknown* -> "pointer"
// dwDestContext : DWORD -> "u32"
// pvDestContext : void* optional -> "pointer"
// mshlflags : DWORD -> "u32"
// 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 CoMarshalInterface(
    void* pStm,
    void* riid,
    void* pUnk,
    uint32_t dwDestContext,
    void* pvDestContext,
    uint32_t mshlflags);
C, "OLE32.dll");
// $ffi->CoMarshalInterface(pStm, riid, pUnk, dwDestContext, pvDestContext, mshlflags);
// pStm : IStream*
// riid : GUID*
// pUnk : IUnknown*
// dwDestContext : DWORD
// pvDestContext : void* optional
// mshlflags : DWORD
// 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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int CoMarshalInterface(
        Pointer pStm,   // IStream*
        Pointer riid,   // GUID*
        Pointer pUnk,   // IUnknown*
        int dwDestContext,   // DWORD
        Pointer pvDestContext,   // void* optional
        int mshlflags   // DWORD
    );
}

@[Link("ole32")]
lib LibOLE32
  fun CoMarshalInterface = CoMarshalInterface(
    pStm : Void*,   # IStream*
    riid : GUID*,   # GUID*
    pUnk : Void*,   # IUnknown*
    dwDestContext : UInt32,   # DWORD
    pvDestContext : Void*,   # void* optional
    mshlflags : UInt32   # DWORD
  ) : 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 CoMarshalInterfaceNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Void>, Uint32);
typedef CoMarshalInterfaceDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int, Pointer<Void>, int);
final CoMarshalInterface = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<CoMarshalInterfaceNative, CoMarshalInterfaceDart>('CoMarshalInterface');
// pStm : IStream* -> Pointer<Void>
// riid : GUID* -> Pointer<Void>
// pUnk : IUnknown* -> Pointer<Void>
// dwDestContext : DWORD -> Uint32
// pvDestContext : void* optional -> Pointer<Void>
// mshlflags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CoMarshalInterface(
  pStm: Pointer;   // IStream*
  riid: PGUID;   // GUID*
  pUnk: Pointer;   // IUnknown*
  dwDestContext: DWORD;   // DWORD
  pvDestContext: Pointer;   // void* optional
  mshlflags: DWORD   // DWORD
): Integer; stdcall;
  external 'OLE32.dll' name 'CoMarshalInterface';

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

foreign import stdcall safe "CoMarshalInterface"
  c_CoMarshalInterface :: Ptr () -> Ptr () -> Ptr () -> Word32 -> Ptr () -> Word32 -> IO Int32
-- pStm : IStream* -> Ptr ()
-- riid : GUID* -> Ptr ()
-- pUnk : IUnknown* -> Ptr ()
-- dwDestContext : DWORD -> Word32
-- pvDestContext : void* optional -> Ptr ()
-- mshlflags : DWORD -> 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 comarshalinterface =
  foreign "CoMarshalInterface"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* pStm : IStream* -> (ptr void) *)
(* riid : GUID* -> (ptr void) *)
(* pUnk : IUnknown* -> (ptr void) *)
(* dwDestContext : DWORD -> uint32_t *)
(* pvDestContext : void* optional -> (ptr void) *)
(* mshlflags : DWORD -> 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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("CoMarshalInterface" co-marshal-interface :convention :stdcall) :int32
  (p-stm :pointer)   ; IStream*
  (riid :pointer)   ; GUID*
  (p-unk :pointer)   ; IUnknown*
  (dw-dest-context :uint32)   ; DWORD
  (pv-dest-context :pointer)   ; void* optional
  (mshlflags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CoMarshalInterface = Win32::API::More->new('OLE32',
    'int CoMarshalInterface(LPVOID pStm, LPVOID riid, LPVOID pUnk, DWORD dwDestContext, LPVOID pvDestContext, DWORD mshlflags)');
# my $ret = $CoMarshalInterface->Call($pStm, $riid, $pUnk, $dwDestContext, $pvDestContext, $mshlflags);
# pStm : IStream* -> LPVOID
# riid : GUID* -> LPVOID
# pUnk : IUnknown* -> LPVOID
# dwDestContext : DWORD -> DWORD
# pvDestContext : void* optional -> LPVOID
# mshlflags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。