GetRequestedRuntimeInfo

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

HRESULT GetRequestedRuntimeInfo(
    LPCWSTR pExe,
    LPCWSTR pwszVersion,
    LPCWSTR pConfigurationFile,
    DWORD startupFlags,
    DWORD runtimeInfoFlags,
    LPWSTR pDirectory,   // optional
    DWORD dwDirectory,
    DWORD* dwDirectoryLength,   // optional
    LPWSTR pVersion,   // optional
    DWORD cchBuffer,
    DWORD* dwlength   // optional
);

<DllImport("MSCorEE.dll", ExactSpelling:=True)>
Public Shared Function GetRequestedRuntimeInfo(
    <MarshalAs(UnmanagedType.LPWStr)> pExe As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwszVersion As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pConfigurationFile As String,   ' LPCWSTR
    startupFlags As UInteger,   ' DWORD
    runtimeInfoFlags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pDirectory As System.Text.StringBuilder,   ' LPWSTR optional, out
    dwDirectory As UInteger,   ' DWORD
    dwDirectoryLength As IntPtr,   ' DWORD* optional, out
    <MarshalAs(UnmanagedType.LPWStr)> pVersion As System.Text.StringBuilder,   ' LPWSTR optional, out
    cchBuffer As UInteger,   ' DWORD
    dwlength As IntPtr   ' DWORD* optional, out
) As Integer
End Function

' pExe : LPCWSTR
' pwszVersion : LPCWSTR
' pConfigurationFile : LPCWSTR
' startupFlags : DWORD
' runtimeInfoFlags : DWORD
' pDirectory : LPWSTR optional, out
' dwDirectory : DWORD
' dwDirectoryLength : DWORD* optional, out
' pVersion : LPWSTR optional, out
' cchBuffer : DWORD
' dwlength : DWORD* optional, out
Declare PtrSafe Function GetRequestedRuntimeInfo Lib "mscoree" ( _
    ByVal pExe As LongPtr, _
    ByVal pwszVersion As LongPtr, _
    ByVal pConfigurationFile As LongPtr, _
    ByVal startupFlags As Long, _
    ByVal runtimeInfoFlags As Long, _
    ByVal pDirectory As LongPtr, _
    ByVal dwDirectory As Long, _
    ByVal dwDirectoryLength As LongPtr, _
    ByVal pVersion As LongPtr, _
    ByVal cchBuffer As Long, _
    ByVal dwlength 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

GetRequestedRuntimeInfo = ctypes.windll.mscoree.GetRequestedRuntimeInfo
GetRequestedRuntimeInfo.restype = ctypes.c_int
GetRequestedRuntimeInfo.argtypes = [
    wintypes.LPCWSTR,  # pExe : LPCWSTR
    wintypes.LPCWSTR,  # pwszVersion : LPCWSTR
    wintypes.LPCWSTR,  # pConfigurationFile : LPCWSTR
    wintypes.DWORD,  # startupFlags : DWORD
    wintypes.DWORD,  # runtimeInfoFlags : DWORD
    wintypes.LPWSTR,  # pDirectory : LPWSTR optional, out
    wintypes.DWORD,  # dwDirectory : DWORD
    ctypes.POINTER(wintypes.DWORD),  # dwDirectoryLength : DWORD* optional, out
    wintypes.LPWSTR,  # pVersion : LPWSTR optional, out
    wintypes.DWORD,  # cchBuffer : DWORD
    ctypes.POINTER(wintypes.DWORD),  # dwlength : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSCorEE.dll')
GetRequestedRuntimeInfo = Fiddle::Function.new(
  lib['GetRequestedRuntimeInfo'],
  [
    Fiddle::TYPE_VOIDP,  # pExe : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwszVersion : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pConfigurationFile : LPCWSTR
    -Fiddle::TYPE_INT,  # startupFlags : DWORD
    -Fiddle::TYPE_INT,  # runtimeInfoFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pDirectory : LPWSTR optional, out
    -Fiddle::TYPE_INT,  # dwDirectory : DWORD
    Fiddle::TYPE_VOIDP,  # dwDirectoryLength : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pVersion : LPWSTR optional, out
    -Fiddle::TYPE_INT,  # cchBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # dwlength : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mscoree")]
extern "system" {
    fn GetRequestedRuntimeInfo(
        pExe: *const u16,  // LPCWSTR
        pwszVersion: *const u16,  // LPCWSTR
        pConfigurationFile: *const u16,  // LPCWSTR
        startupFlags: u32,  // DWORD
        runtimeInfoFlags: u32,  // DWORD
        pDirectory: *mut u16,  // LPWSTR optional, out
        dwDirectory: u32,  // DWORD
        dwDirectoryLength: *mut u32,  // DWORD* optional, out
        pVersion: *mut u16,  // LPWSTR optional, out
        cchBuffer: u32,  // DWORD
        dwlength: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSCorEE.dll")]
public static extern int GetRequestedRuntimeInfo([MarshalAs(UnmanagedType.LPWStr)] string pExe, [MarshalAs(UnmanagedType.LPWStr)] string pwszVersion, [MarshalAs(UnmanagedType.LPWStr)] string pConfigurationFile, uint startupFlags, uint runtimeInfoFlags, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pDirectory, uint dwDirectory, IntPtr dwDirectoryLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pVersion, uint cchBuffer, IntPtr dwlength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSCorEE_GetRequestedRuntimeInfo' -Namespace Win32 -PassThru
# $api::GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength)

#uselib "MSCorEE.dll"
#func global GetRequestedRuntimeInfo "GetRequestedRuntimeInfo" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; GetRequestedRuntimeInfo pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, varptr(pDirectory), dwDirectory, varptr(dwDirectoryLength), varptr(pVersion), cchBuffer, varptr(dwlength)   ; 戻り値は stat
; pExe : LPCWSTR -> "sptr"
; pwszVersion : LPCWSTR -> "sptr"
; pConfigurationFile : LPCWSTR -> "sptr"
; startupFlags : DWORD -> "sptr"
; runtimeInfoFlags : DWORD -> "sptr"
; pDirectory : LPWSTR optional, out -> "sptr"
; dwDirectory : DWORD -> "sptr"
; dwDirectoryLength : DWORD* optional, out -> "sptr"
; pVersion : LPWSTR optional, out -> "sptr"
; cchBuffer : DWORD -> "sptr"
; dwlength : DWORD* 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 (
	mscoree = windows.NewLazySystemDLL("MSCorEE.dll")
	procGetRequestedRuntimeInfo = mscoree.NewProc("GetRequestedRuntimeInfo")
)

// pExe (LPCWSTR), pwszVersion (LPCWSTR), pConfigurationFile (LPCWSTR), startupFlags (DWORD), runtimeInfoFlags (DWORD), pDirectory (LPWSTR optional, out), dwDirectory (DWORD), dwDirectoryLength (DWORD* optional, out), pVersion (LPWSTR optional, out), cchBuffer (DWORD), dwlength (DWORD* optional, out)
r1, _, err := procGetRequestedRuntimeInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pExe))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszVersion))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pConfigurationFile))),
	uintptr(startupFlags),
	uintptr(runtimeInfoFlags),
	uintptr(pDirectory),
	uintptr(dwDirectory),
	uintptr(dwDirectoryLength),
	uintptr(pVersion),
	uintptr(cchBuffer),
	uintptr(dwlength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetRequestedRuntimeInfo(
  pExe: PWideChar;   // LPCWSTR
  pwszVersion: PWideChar;   // LPCWSTR
  pConfigurationFile: PWideChar;   // LPCWSTR
  startupFlags: DWORD;   // DWORD
  runtimeInfoFlags: DWORD;   // DWORD
  pDirectory: PWideChar;   // LPWSTR optional, out
  dwDirectory: DWORD;   // DWORD
  dwDirectoryLength: Pointer;   // DWORD* optional, out
  pVersion: PWideChar;   // LPWSTR optional, out
  cchBuffer: DWORD;   // DWORD
  dwlength: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'GetRequestedRuntimeInfo';

result := DllCall("MSCorEE\GetRequestedRuntimeInfo"
    , "WStr", pExe   ; LPCWSTR
    , "WStr", pwszVersion   ; LPCWSTR
    , "WStr", pConfigurationFile   ; LPCWSTR
    , "UInt", startupFlags   ; DWORD
    , "UInt", runtimeInfoFlags   ; DWORD
    , "Ptr", pDirectory   ; LPWSTR optional, out
    , "UInt", dwDirectory   ; DWORD
    , "Ptr", dwDirectoryLength   ; DWORD* optional, out
    , "Ptr", pVersion   ; LPWSTR optional, out
    , "UInt", cchBuffer   ; DWORD
    , "Ptr", dwlength   ; DWORD* optional, out
    , "Int")   ; return: HRESULT

●GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength) = DLL("MSCorEE.dll", "int GetRequestedRuntimeInfo(char*, char*, char*, dword, dword, char*, dword, void*, char*, dword, void*)")
# 呼び出し: GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength)
# pExe : LPCWSTR -> "char*"
# pwszVersion : LPCWSTR -> "char*"
# pConfigurationFile : LPCWSTR -> "char*"
# startupFlags : DWORD -> "dword"
# runtimeInfoFlags : DWORD -> "dword"
# pDirectory : LPWSTR optional, out -> "char*"
# dwDirectory : DWORD -> "dword"
# dwDirectoryLength : DWORD* optional, out -> "void*"
# pVersion : LPWSTR optional, out -> "char*"
# cchBuffer : DWORD -> "dword"
# dwlength : DWORD* optional, 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 "mscoree" fn GetRequestedRuntimeInfo(
    pExe: [*c]const u16, // LPCWSTR
    pwszVersion: [*c]const u16, // LPCWSTR
    pConfigurationFile: [*c]const u16, // LPCWSTR
    startupFlags: u32, // DWORD
    runtimeInfoFlags: u32, // DWORD
    pDirectory: [*c]u16, // LPWSTR optional, out
    dwDirectory: u32, // DWORD
    dwDirectoryLength: [*c]u32, // DWORD* optional, out
    pVersion: [*c]u16, // LPWSTR optional, out
    cchBuffer: u32, // DWORD
    dwlength: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc GetRequestedRuntimeInfo(
    pExe: WideCString,  # LPCWSTR
    pwszVersion: WideCString,  # LPCWSTR
    pConfigurationFile: WideCString,  # LPCWSTR
    startupFlags: uint32,  # DWORD
    runtimeInfoFlags: uint32,  # DWORD
    pDirectory: ptr uint16,  # LPWSTR optional, out
    dwDirectory: uint32,  # DWORD
    dwDirectoryLength: ptr uint32,  # DWORD* optional, out
    pVersion: ptr uint16,  # LPWSTR optional, out
    cchBuffer: uint32,  # DWORD
    dwlength: ptr uint32  # DWORD* optional, out
): int32 {.importc: "GetRequestedRuntimeInfo", stdcall, dynlib: "MSCorEE.dll".}

pragma(lib, "mscoree");
extern(Windows)
int GetRequestedRuntimeInfo(
    const(wchar)* pExe,   // LPCWSTR
    const(wchar)* pwszVersion,   // LPCWSTR
    const(wchar)* pConfigurationFile,   // LPCWSTR
    uint startupFlags,   // DWORD
    uint runtimeInfoFlags,   // DWORD
    wchar* pDirectory,   // LPWSTR optional, out
    uint dwDirectory,   // DWORD
    uint* dwDirectoryLength,   // DWORD* optional, out
    wchar* pVersion,   // LPWSTR optional, out
    uint cchBuffer,   // DWORD
    uint* dwlength   // DWORD* optional, out
);

ccall((:GetRequestedRuntimeInfo, "MSCorEE.dll"), stdcall, Int32,
      (Cwstring, Cwstring, Cwstring, UInt32, UInt32, Ptr{UInt16}, UInt32, Ptr{UInt32}, Ptr{UInt16}, UInt32, Ptr{UInt32}),
      pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength)
# pExe : LPCWSTR -> Cwstring
# pwszVersion : LPCWSTR -> Cwstring
# pConfigurationFile : LPCWSTR -> Cwstring
# startupFlags : DWORD -> UInt32
# runtimeInfoFlags : DWORD -> UInt32
# pDirectory : LPWSTR optional, out -> Ptr{UInt16}
# dwDirectory : DWORD -> UInt32
# dwDirectoryLength : DWORD* optional, out -> Ptr{UInt32}
# pVersion : LPWSTR optional, out -> Ptr{UInt16}
# cchBuffer : DWORD -> UInt32
# dwlength : DWORD* optional, 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 GetRequestedRuntimeInfo(
    const uint16_t* pExe,
    const uint16_t* pwszVersion,
    const uint16_t* pConfigurationFile,
    uint32_t startupFlags,
    uint32_t runtimeInfoFlags,
    uint16_t* pDirectory,
    uint32_t dwDirectory,
    uint32_t* dwDirectoryLength,
    uint16_t* pVersion,
    uint32_t cchBuffer,
    uint32_t* dwlength);
]]
local mscoree = ffi.load("mscoree")
-- mscoree.GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength)
-- pExe : LPCWSTR
-- pwszVersion : LPCWSTR
-- pConfigurationFile : LPCWSTR
-- startupFlags : DWORD
-- runtimeInfoFlags : DWORD
-- pDirectory : LPWSTR optional, out
-- dwDirectory : DWORD
-- dwDirectoryLength : DWORD* optional, out
-- pVersion : LPWSTR optional, out
-- cchBuffer : DWORD
-- dwlength : DWORD* 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('MSCorEE.dll');
const GetRequestedRuntimeInfo = lib.func('__stdcall', 'GetRequestedRuntimeInfo', 'int32_t', ['str16', 'str16', 'str16', 'uint32_t', 'uint32_t', 'uint16_t *', 'uint32_t', 'uint32_t *', 'uint16_t *', 'uint32_t', 'uint32_t *']);
// GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength)
// pExe : LPCWSTR -> 'str16'
// pwszVersion : LPCWSTR -> 'str16'
// pConfigurationFile : LPCWSTR -> 'str16'
// startupFlags : DWORD -> 'uint32_t'
// runtimeInfoFlags : DWORD -> 'uint32_t'
// pDirectory : LPWSTR optional, out -> 'uint16_t *'
// dwDirectory : DWORD -> 'uint32_t'
// dwDirectoryLength : DWORD* optional, out -> 'uint32_t *'
// pVersion : LPWSTR optional, out -> 'uint16_t *'
// cchBuffer : DWORD -> 'uint32_t'
// dwlength : DWORD* optional, 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("MSCorEE.dll", {
  GetRequestedRuntimeInfo: { parameters: ["buffer", "buffer", "buffer", "u32", "u32", "buffer", "u32", "pointer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength)
// pExe : LPCWSTR -> "buffer"
// pwszVersion : LPCWSTR -> "buffer"
// pConfigurationFile : LPCWSTR -> "buffer"
// startupFlags : DWORD -> "u32"
// runtimeInfoFlags : DWORD -> "u32"
// pDirectory : LPWSTR optional, out -> "buffer"
// dwDirectory : DWORD -> "u32"
// dwDirectoryLength : DWORD* optional, out -> "pointer"
// pVersion : LPWSTR optional, out -> "buffer"
// cchBuffer : DWORD -> "u32"
// dwlength : DWORD* optional, 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 GetRequestedRuntimeInfo(
    const uint16_t* pExe,
    const uint16_t* pwszVersion,
    const uint16_t* pConfigurationFile,
    uint32_t startupFlags,
    uint32_t runtimeInfoFlags,
    uint16_t* pDirectory,
    uint32_t dwDirectory,
    uint32_t* dwDirectoryLength,
    uint16_t* pVersion,
    uint32_t cchBuffer,
    uint32_t* dwlength);
C, "MSCorEE.dll");
// $ffi->GetRequestedRuntimeInfo(pExe, pwszVersion, pConfigurationFile, startupFlags, runtimeInfoFlags, pDirectory, dwDirectory, dwDirectoryLength, pVersion, cchBuffer, dwlength);
// pExe : LPCWSTR
// pwszVersion : LPCWSTR
// pConfigurationFile : LPCWSTR
// startupFlags : DWORD
// runtimeInfoFlags : DWORD
// pDirectory : LPWSTR optional, out
// dwDirectory : DWORD
// dwDirectoryLength : DWORD* optional, out
// pVersion : LPWSTR optional, out
// cchBuffer : DWORD
// dwlength : DWORD* 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 Mscoree extends StdCallLibrary {
    Mscoree INSTANCE = Native.load("mscoree", Mscoree.class);
    int GetRequestedRuntimeInfo(
        WString pExe,   // LPCWSTR
        WString pwszVersion,   // LPCWSTR
        WString pConfigurationFile,   // LPCWSTR
        int startupFlags,   // DWORD
        int runtimeInfoFlags,   // DWORD
        char[] pDirectory,   // LPWSTR optional, out
        int dwDirectory,   // DWORD
        IntByReference dwDirectoryLength,   // DWORD* optional, out
        char[] pVersion,   // LPWSTR optional, out
        int cchBuffer,   // DWORD
        IntByReference dwlength   // DWORD* optional, out
    );
}

@[Link("mscoree")]
lib LibMSCorEE
  fun GetRequestedRuntimeInfo = GetRequestedRuntimeInfo(
    pExe : UInt16*,   # LPCWSTR
    pwszVersion : UInt16*,   # LPCWSTR
    pConfigurationFile : UInt16*,   # LPCWSTR
    startupFlags : UInt32,   # DWORD
    runtimeInfoFlags : UInt32,   # DWORD
    pDirectory : UInt16*,   # LPWSTR optional, out
    dwDirectory : UInt32,   # DWORD
    dwDirectoryLength : UInt32*,   # DWORD* optional, out
    pVersion : UInt16*,   # LPWSTR optional, out
    cchBuffer : UInt32,   # DWORD
    dwlength : UInt32*   # DWORD* 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 GetRequestedRuntimeInfoNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Uint32, Uint32, Pointer<Utf16>, Uint32, Pointer<Uint32>, Pointer<Utf16>, Uint32, Pointer<Uint32>);
typedef GetRequestedRuntimeInfoDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, int, int, Pointer<Utf16>, int, Pointer<Uint32>, Pointer<Utf16>, int, Pointer<Uint32>);
final GetRequestedRuntimeInfo = DynamicLibrary.open('MSCorEE.dll')
    .lookupFunction<GetRequestedRuntimeInfoNative, GetRequestedRuntimeInfoDart>('GetRequestedRuntimeInfo');
// pExe : LPCWSTR -> Pointer<Utf16>
// pwszVersion : LPCWSTR -> Pointer<Utf16>
// pConfigurationFile : LPCWSTR -> Pointer<Utf16>
// startupFlags : DWORD -> Uint32
// runtimeInfoFlags : DWORD -> Uint32
// pDirectory : LPWSTR optional, out -> Pointer<Utf16>
// dwDirectory : DWORD -> Uint32
// dwDirectoryLength : DWORD* optional, out -> Pointer<Uint32>
// pVersion : LPWSTR optional, out -> Pointer<Utf16>
// cchBuffer : DWORD -> Uint32
// dwlength : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetRequestedRuntimeInfo(
  pExe: PWideChar;   // LPCWSTR
  pwszVersion: PWideChar;   // LPCWSTR
  pConfigurationFile: PWideChar;   // LPCWSTR
  startupFlags: DWORD;   // DWORD
  runtimeInfoFlags: DWORD;   // DWORD
  pDirectory: PWideChar;   // LPWSTR optional, out
  dwDirectory: DWORD;   // DWORD
  dwDirectoryLength: Pointer;   // DWORD* optional, out
  pVersion: PWideChar;   // LPWSTR optional, out
  cchBuffer: DWORD;   // DWORD
  dwlength: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'MSCorEE.dll' name 'GetRequestedRuntimeInfo';

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

foreign import stdcall safe "GetRequestedRuntimeInfo"
  c_GetRequestedRuntimeInfo :: CWString -> CWString -> CWString -> Word32 -> Word32 -> CWString -> Word32 -> Ptr Word32 -> CWString -> Word32 -> Ptr Word32 -> IO Int32
-- pExe : LPCWSTR -> CWString
-- pwszVersion : LPCWSTR -> CWString
-- pConfigurationFile : LPCWSTR -> CWString
-- startupFlags : DWORD -> Word32
-- runtimeInfoFlags : DWORD -> Word32
-- pDirectory : LPWSTR optional, out -> CWString
-- dwDirectory : DWORD -> Word32
-- dwDirectoryLength : DWORD* optional, out -> Ptr Word32
-- pVersion : LPWSTR optional, out -> CWString
-- cchBuffer : DWORD -> Word32
-- dwlength : DWORD* optional, 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 getrequestedruntimeinfo =
  foreign "GetRequestedRuntimeInfo"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> uint32_t @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint32_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* pExe : LPCWSTR -> (ptr uint16_t) *)
(* pwszVersion : LPCWSTR -> (ptr uint16_t) *)
(* pConfigurationFile : LPCWSTR -> (ptr uint16_t) *)
(* startupFlags : DWORD -> uint32_t *)
(* runtimeInfoFlags : DWORD -> uint32_t *)
(* pDirectory : LPWSTR optional, out -> (ptr uint16_t) *)
(* dwDirectory : DWORD -> uint32_t *)
(* dwDirectoryLength : DWORD* optional, out -> (ptr uint32_t) *)
(* pVersion : LPWSTR optional, out -> (ptr uint16_t) *)
(* cchBuffer : DWORD -> uint32_t *)
(* dwlength : DWORD* optional, 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 mscoree (t "MSCorEE.dll"))
(cffi:use-foreign-library mscoree)

(cffi:defcfun ("GetRequestedRuntimeInfo" get-requested-runtime-info :convention :stdcall) :int32
  (p-exe (:string :encoding :utf-16le))   ; LPCWSTR
  (pwsz-version (:string :encoding :utf-16le))   ; LPCWSTR
  (p-configuration-file (:string :encoding :utf-16le))   ; LPCWSTR
  (startup-flags :uint32)   ; DWORD
  (runtime-info-flags :uint32)   ; DWORD
  (p-directory :pointer)   ; LPWSTR optional, out
  (dw-directory :uint32)   ; DWORD
  (dw-directory-length :pointer)   ; DWORD* optional, out
  (p-version :pointer)   ; LPWSTR optional, out
  (cch-buffer :uint32)   ; DWORD
  (dwlength :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetRequestedRuntimeInfo = Win32::API::More->new('MSCorEE',
    'int GetRequestedRuntimeInfo(LPCWSTR pExe, LPCWSTR pwszVersion, LPCWSTR pConfigurationFile, DWORD startupFlags, DWORD runtimeInfoFlags, LPWSTR pDirectory, DWORD dwDirectory, LPVOID dwDirectoryLength, LPWSTR pVersion, DWORD cchBuffer, LPVOID dwlength)');
# my $ret = $GetRequestedRuntimeInfo->Call($pExe, $pwszVersion, $pConfigurationFile, $startupFlags, $runtimeInfoFlags, $pDirectory, $dwDirectory, $dwDirectoryLength, $pVersion, $cchBuffer, $dwlength);
# pExe : LPCWSTR -> LPCWSTR
# pwszVersion : LPCWSTR -> LPCWSTR
# pConfigurationFile : LPCWSTR -> LPCWSTR
# startupFlags : DWORD -> DWORD
# runtimeInfoFlags : DWORD -> DWORD
# pDirectory : LPWSTR optional, out -> LPWSTR
# dwDirectory : DWORD -> DWORD
# dwDirectoryLength : DWORD* optional, out -> LPVOID
# pVersion : LPWSTR optional, out -> LPWSTR
# cchBuffer : DWORD -> DWORD
# dwlength : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。