StgCreateDocfile

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

HRESULT StgCreateDocfile(
    LPCWSTR pwcsName,   // optional
    STGM grfMode,
    DWORD reserved,   // optional
    IStorage** ppstgOpen
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function StgCreateDocfile(
    <MarshalAs(UnmanagedType.LPWStr)> pwcsName As String,   ' LPCWSTR optional
    grfMode As UInteger,   ' STGM
    reserved As UInteger,   ' DWORD optional
    ppstgOpen As IntPtr   ' IStorage** out
) As Integer
End Function

' pwcsName : LPCWSTR optional
' grfMode : STGM
' reserved : DWORD optional
' ppstgOpen : IStorage** out
Declare PtrSafe Function StgCreateDocfile Lib "ole32" ( _
    ByVal pwcsName As LongPtr, _
    ByVal grfMode As Long, _
    ByVal reserved As Long, _
    ByVal ppstgOpen 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

StgCreateDocfile = ctypes.windll.ole32.StgCreateDocfile
StgCreateDocfile.restype = ctypes.c_int
StgCreateDocfile.argtypes = [
    wintypes.LPCWSTR,  # pwcsName : LPCWSTR optional
    wintypes.DWORD,  # grfMode : STGM
    wintypes.DWORD,  # reserved : DWORD optional
    ctypes.c_void_p,  # ppstgOpen : IStorage** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
StgCreateDocfile = Fiddle::Function.new(
  lib['StgCreateDocfile'],
  [
    Fiddle::TYPE_VOIDP,  # pwcsName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # grfMode : STGM
    -Fiddle::TYPE_INT,  # reserved : DWORD optional
    Fiddle::TYPE_VOIDP,  # ppstgOpen : IStorage** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn StgCreateDocfile(
        pwcsName: *const u16,  // LPCWSTR optional
        grfMode: u32,  // STGM
        reserved: u32,  // DWORD optional
        ppstgOpen: *mut *mut core::ffi::c_void  // IStorage** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int StgCreateDocfile([MarshalAs(UnmanagedType.LPWStr)] string pwcsName, uint grfMode, uint reserved, IntPtr ppstgOpen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_StgCreateDocfile' -Namespace Win32 -PassThru
# $api::StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)

#uselib "OLE32.dll"
#func global StgCreateDocfile "StgCreateDocfile" sptr, sptr, sptr, sptr
; StgCreateDocfile pwcsName, grfMode, reserved, ppstgOpen   ; 戻り値は stat
; pwcsName : LPCWSTR optional -> "sptr"
; grfMode : STGM -> "sptr"
; reserved : DWORD optional -> "sptr"
; ppstgOpen : IStorage** 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。

#uselib "OLE32.dll"
#cfunc global StgCreateDocfile "StgCreateDocfile" wstr, int, int, sptr
; res = StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)
; pwcsName : LPCWSTR optional -> "wstr"
; grfMode : STGM -> "int"
; reserved : DWORD optional -> "int"
; ppstgOpen : IStorage** out -> "sptr"

; HRESULT StgCreateDocfile(LPCWSTR pwcsName, STGM grfMode, DWORD reserved, IStorage** ppstgOpen)
#uselib "OLE32.dll"
#cfunc global StgCreateDocfile "StgCreateDocfile" wstr, int, int, intptr
; res = StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)
; pwcsName : LPCWSTR optional -> "wstr"
; grfMode : STGM -> "int"
; reserved : DWORD optional -> "int"
; ppstgOpen : IStorage** out -> "intptr"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procStgCreateDocfile = ole32.NewProc("StgCreateDocfile")
)

// pwcsName (LPCWSTR optional), grfMode (STGM), reserved (DWORD optional), ppstgOpen (IStorage** out)
r1, _, err := procStgCreateDocfile.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwcsName))),
	uintptr(grfMode),
	uintptr(reserved),
	uintptr(ppstgOpen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function StgCreateDocfile(
  pwcsName: PWideChar;   // LPCWSTR optional
  grfMode: DWORD;   // STGM
  reserved: DWORD;   // DWORD optional
  ppstgOpen: Pointer   // IStorage** out
): Integer; stdcall;
  external 'OLE32.dll' name 'StgCreateDocfile';

result := DllCall("OLE32\StgCreateDocfile"
    , "WStr", pwcsName   ; LPCWSTR optional
    , "UInt", grfMode   ; STGM
    , "UInt", reserved   ; DWORD optional
    , "Ptr", ppstgOpen   ; IStorage** out
    , "Int")   ; return: HRESULT

●StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen) = DLL("OLE32.dll", "int StgCreateDocfile(char*, dword, dword, void*)")
# 呼び出し: StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)
# pwcsName : LPCWSTR optional -> "char*"
# grfMode : STGM -> "dword"
# reserved : DWORD optional -> "dword"
# ppstgOpen : IStorage** 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 "ole32" fn StgCreateDocfile(
    pwcsName: [*c]const u16, // LPCWSTR optional
    grfMode: u32, // STGM
    reserved: u32, // DWORD optional
    ppstgOpen: ?*anyopaque // IStorage** out
) callconv(std.os.windows.WINAPI) i32;

proc StgCreateDocfile(
    pwcsName: WideCString,  # LPCWSTR optional
    grfMode: uint32,  # STGM
    reserved: uint32,  # DWORD optional
    ppstgOpen: pointer  # IStorage** out
): int32 {.importc: "StgCreateDocfile", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int StgCreateDocfile(
    const(wchar)* pwcsName,   // LPCWSTR optional
    uint grfMode,   // STGM
    uint reserved,   // DWORD optional
    void* ppstgOpen   // IStorage** out
);

ccall((:StgCreateDocfile, "OLE32.dll"), stdcall, Int32,
      (Cwstring, UInt32, UInt32, Ptr{Cvoid}),
      pwcsName, grfMode, reserved, ppstgOpen)
# pwcsName : LPCWSTR optional -> Cwstring
# grfMode : STGM -> UInt32
# reserved : DWORD optional -> UInt32
# ppstgOpen : IStorage** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t StgCreateDocfile(
    const uint16_t* pwcsName,
    uint32_t grfMode,
    uint32_t reserved,
    void* ppstgOpen);
]]
local ole32 = ffi.load("ole32")
-- ole32.StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)
-- pwcsName : LPCWSTR optional
-- grfMode : STGM
-- reserved : DWORD optional
-- ppstgOpen : IStorage** 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('OLE32.dll');
const StgCreateDocfile = lib.func('__stdcall', 'StgCreateDocfile', 'int32_t', ['str16', 'uint32_t', 'uint32_t', 'void *']);
// StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)
// pwcsName : LPCWSTR optional -> 'str16'
// grfMode : STGM -> 'uint32_t'
// reserved : DWORD optional -> 'uint32_t'
// ppstgOpen : IStorage** out -> '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("OLE32.dll", {
  StgCreateDocfile: { parameters: ["buffer", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen)
// pwcsName : LPCWSTR optional -> "buffer"
// grfMode : STGM -> "u32"
// reserved : DWORD optional -> "u32"
// ppstgOpen : IStorage** 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 StgCreateDocfile(
    const uint16_t* pwcsName,
    uint32_t grfMode,
    uint32_t reserved,
    void* ppstgOpen);
C, "OLE32.dll");
// $ffi->StgCreateDocfile(pwcsName, grfMode, reserved, ppstgOpen);
// pwcsName : LPCWSTR optional
// grfMode : STGM
// reserved : DWORD optional
// ppstgOpen : IStorage** 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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int StgCreateDocfile(
        WString pwcsName,   // LPCWSTR optional
        int grfMode,   // STGM
        int reserved,   // DWORD optional
        Pointer ppstgOpen   // IStorage** out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun StgCreateDocfile = StgCreateDocfile(
    pwcsName : UInt16*,   # LPCWSTR optional
    grfMode : UInt32,   # STGM
    reserved : UInt32,   # DWORD optional
    ppstgOpen : Void*   # IStorage** 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 StgCreateDocfileNative = Int32 Function(Pointer<Utf16>, Uint32, Uint32, Pointer<Void>);
typedef StgCreateDocfileDart = int Function(Pointer<Utf16>, int, int, Pointer<Void>);
final StgCreateDocfile = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<StgCreateDocfileNative, StgCreateDocfileDart>('StgCreateDocfile');
// pwcsName : LPCWSTR optional -> Pointer<Utf16>
// grfMode : STGM -> Uint32
// reserved : DWORD optional -> Uint32
// ppstgOpen : IStorage** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function StgCreateDocfile(
  pwcsName: PWideChar;   // LPCWSTR optional
  grfMode: DWORD;   // STGM
  reserved: DWORD;   // DWORD optional
  ppstgOpen: Pointer   // IStorage** out
): Integer; stdcall;
  external 'OLE32.dll' name 'StgCreateDocfile';

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

foreign import stdcall safe "StgCreateDocfile"
  c_StgCreateDocfile :: CWString -> Word32 -> Word32 -> Ptr () -> IO Int32
-- pwcsName : LPCWSTR optional -> CWString
-- grfMode : STGM -> Word32
-- reserved : DWORD optional -> Word32
-- ppstgOpen : IStorage** out -> 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 stgcreatedocfile =
  foreign "StgCreateDocfile"
    ((ptr uint16_t) @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* pwcsName : LPCWSTR optional -> (ptr uint16_t) *)
(* grfMode : STGM -> uint32_t *)
(* reserved : DWORD optional -> uint32_t *)
(* ppstgOpen : IStorage** out -> (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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("StgCreateDocfile" stg-create-docfile :convention :stdcall) :int32
  (pwcs-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (grf-mode :uint32)   ; STGM
  (reserved :uint32)   ; DWORD optional
  (ppstg-open :pointer))   ; IStorage** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $StgCreateDocfile = Win32::API::More->new('OLE32',
    'int StgCreateDocfile(LPCWSTR pwcsName, DWORD grfMode, DWORD reserved, LPVOID ppstgOpen)');
# my $ret = $StgCreateDocfile->Call($pwcsName, $grfMode, $reserved, $ppstgOpen);
# pwcsName : LPCWSTR optional -> LPCWSTR
# grfMode : STGM -> DWORD
# reserved : DWORD optional -> DWORD
# ppstgOpen : IStorage** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。