FilterInstanceCreate

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

HRESULT FilterInstanceCreate(
    LPCWSTR lpFilterName,
    LPCWSTR lpVolumeName,
    LPCWSTR lpInstanceName,   // optional
    HFILTER_INSTANCE* hInstance
);

<DllImport("FLTLIB.dll", ExactSpelling:=True)>
Public Shared Function FilterInstanceCreate(
    <MarshalAs(UnmanagedType.LPWStr)> lpFilterName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpVolumeName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpInstanceName As String,   ' LPCWSTR optional
    <Out> ByRef hInstance As IntPtr   ' HFILTER_INSTANCE* out
) As Integer
End Function

' lpFilterName : LPCWSTR
' lpVolumeName : LPCWSTR
' lpInstanceName : LPCWSTR optional
' hInstance : HFILTER_INSTANCE* out
Declare PtrSafe Function FilterInstanceCreate Lib "fltlib" ( _
    ByVal lpFilterName As LongPtr, _
    ByVal lpVolumeName As LongPtr, _
    ByVal lpInstanceName As LongPtr, _
    ByRef hInstance 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

FilterInstanceCreate = ctypes.windll.fltlib.FilterInstanceCreate
FilterInstanceCreate.restype = ctypes.c_int
FilterInstanceCreate.argtypes = [
    wintypes.LPCWSTR,  # lpFilterName : LPCWSTR
    wintypes.LPCWSTR,  # lpVolumeName : LPCWSTR
    wintypes.LPCWSTR,  # lpInstanceName : LPCWSTR optional
    ctypes.c_void_p,  # hInstance : HFILTER_INSTANCE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('FLTLIB.dll')
FilterInstanceCreate = Fiddle::Function.new(
  lib['FilterInstanceCreate'],
  [
    Fiddle::TYPE_VOIDP,  # lpFilterName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpVolumeName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpInstanceName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # hInstance : HFILTER_INSTANCE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "fltlib")]
extern "system" {
    fn FilterInstanceCreate(
        lpFilterName: *const u16,  // LPCWSTR
        lpVolumeName: *const u16,  // LPCWSTR
        lpInstanceName: *const u16,  // LPCWSTR optional
        hInstance: *mut isize  // HFILTER_INSTANCE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("FLTLIB.dll")]
public static extern int FilterInstanceCreate([MarshalAs(UnmanagedType.LPWStr)] string lpFilterName, [MarshalAs(UnmanagedType.LPWStr)] string lpVolumeName, [MarshalAs(UnmanagedType.LPWStr)] string lpInstanceName, out IntPtr hInstance);
"@
$api = Add-Type -MemberDefinition $sig -Name 'FLTLIB_FilterInstanceCreate' -Namespace Win32 -PassThru
# $api::FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance)

#uselib "FLTLIB.dll"
#func global FilterInstanceCreate "FilterInstanceCreate" sptr, sptr, sptr, sptr
; FilterInstanceCreate lpFilterName, lpVolumeName, lpInstanceName, varptr(hInstance)   ; 戻り値は stat
; lpFilterName : LPCWSTR -> "sptr"
; lpVolumeName : LPCWSTR -> "sptr"
; lpInstanceName : LPCWSTR optional -> "sptr"
; hInstance : HFILTER_INSTANCE* 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 (
	fltlib = windows.NewLazySystemDLL("FLTLIB.dll")
	procFilterInstanceCreate = fltlib.NewProc("FilterInstanceCreate")
)

// lpFilterName (LPCWSTR), lpVolumeName (LPCWSTR), lpInstanceName (LPCWSTR optional), hInstance (HFILTER_INSTANCE* out)
r1, _, err := procFilterInstanceCreate.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFilterName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpVolumeName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpInstanceName))),
	uintptr(hInstance),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function FilterInstanceCreate(
  lpFilterName: PWideChar;   // LPCWSTR
  lpVolumeName: PWideChar;   // LPCWSTR
  lpInstanceName: PWideChar;   // LPCWSTR optional
  hInstance: Pointer   // HFILTER_INSTANCE* out
): Integer; stdcall;
  external 'FLTLIB.dll' name 'FilterInstanceCreate';

result := DllCall("FLTLIB\FilterInstanceCreate"
    , "WStr", lpFilterName   ; LPCWSTR
    , "WStr", lpVolumeName   ; LPCWSTR
    , "WStr", lpInstanceName   ; LPCWSTR optional
    , "Ptr", hInstance   ; HFILTER_INSTANCE* out
    , "Int")   ; return: HRESULT

●FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance) = DLL("FLTLIB.dll", "int FilterInstanceCreate(char*, char*, char*, void*)")
# 呼び出し: FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance)
# lpFilterName : LPCWSTR -> "char*"
# lpVolumeName : LPCWSTR -> "char*"
# lpInstanceName : LPCWSTR optional -> "char*"
# hInstance : HFILTER_INSTANCE* 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 "fltlib" fn FilterInstanceCreate(
    lpFilterName: [*c]const u16, // LPCWSTR
    lpVolumeName: [*c]const u16, // LPCWSTR
    lpInstanceName: [*c]const u16, // LPCWSTR optional
    hInstance: [*c]isize // HFILTER_INSTANCE* out
) callconv(std.os.windows.WINAPI) i32;

proc FilterInstanceCreate(
    lpFilterName: WideCString,  # LPCWSTR
    lpVolumeName: WideCString,  # LPCWSTR
    lpInstanceName: WideCString,  # LPCWSTR optional
    hInstance: ptr int  # HFILTER_INSTANCE* out
): int32 {.importc: "FilterInstanceCreate", stdcall, dynlib: "FLTLIB.dll".}

pragma(lib, "fltlib");
extern(Windows)
int FilterInstanceCreate(
    const(wchar)* lpFilterName,   // LPCWSTR
    const(wchar)* lpVolumeName,   // LPCWSTR
    const(wchar)* lpInstanceName,   // LPCWSTR optional
    ptrdiff_t* hInstance   // HFILTER_INSTANCE* out
);

ccall((:FilterInstanceCreate, "FLTLIB.dll"), stdcall, Int32,
      (Cwstring, Cwstring, Cwstring, Ptr{Int}),
      lpFilterName, lpVolumeName, lpInstanceName, hInstance)
# lpFilterName : LPCWSTR -> Cwstring
# lpVolumeName : LPCWSTR -> Cwstring
# lpInstanceName : LPCWSTR optional -> Cwstring
# hInstance : HFILTER_INSTANCE* out -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t FilterInstanceCreate(
    const uint16_t* lpFilterName,
    const uint16_t* lpVolumeName,
    const uint16_t* lpInstanceName,
    intptr_t* hInstance);
]]
local fltlib = ffi.load("fltlib")
-- fltlib.FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance)
-- lpFilterName : LPCWSTR
-- lpVolumeName : LPCWSTR
-- lpInstanceName : LPCWSTR optional
-- hInstance : HFILTER_INSTANCE* 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('FLTLIB.dll');
const FilterInstanceCreate = lib.func('__stdcall', 'FilterInstanceCreate', 'int32_t', ['str16', 'str16', 'str16', 'intptr_t *']);
// FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance)
// lpFilterName : LPCWSTR -> 'str16'
// lpVolumeName : LPCWSTR -> 'str16'
// lpInstanceName : LPCWSTR optional -> 'str16'
// hInstance : HFILTER_INSTANCE* out -> 'intptr_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("FLTLIB.dll", {
  FilterInstanceCreate: { parameters: ["buffer", "buffer", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance)
// lpFilterName : LPCWSTR -> "buffer"
// lpVolumeName : LPCWSTR -> "buffer"
// lpInstanceName : LPCWSTR optional -> "buffer"
// hInstance : HFILTER_INSTANCE* 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 FilterInstanceCreate(
    const uint16_t* lpFilterName,
    const uint16_t* lpVolumeName,
    const uint16_t* lpInstanceName,
    intptr_t* hInstance);
C, "FLTLIB.dll");
// $ffi->FilterInstanceCreate(lpFilterName, lpVolumeName, lpInstanceName, hInstance);
// lpFilterName : LPCWSTR
// lpVolumeName : LPCWSTR
// lpInstanceName : LPCWSTR optional
// hInstance : HFILTER_INSTANCE* 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 Fltlib extends StdCallLibrary {
    Fltlib INSTANCE = Native.load("fltlib", Fltlib.class);
    int FilterInstanceCreate(
        WString lpFilterName,   // LPCWSTR
        WString lpVolumeName,   // LPCWSTR
        WString lpInstanceName,   // LPCWSTR optional
        LongByReference hInstance   // HFILTER_INSTANCE* out
    );
}

@[Link("fltlib")]
lib LibFLTLIB
  fun FilterInstanceCreate = FilterInstanceCreate(
    lpFilterName : UInt16*,   # LPCWSTR
    lpVolumeName : UInt16*,   # LPCWSTR
    lpInstanceName : UInt16*,   # LPCWSTR optional
    hInstance : LibC::SSizeT*   # HFILTER_INSTANCE* 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 FilterInstanceCreateNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<IntPtr>);
typedef FilterInstanceCreateDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Pointer<IntPtr>);
final FilterInstanceCreate = DynamicLibrary.open('FLTLIB.dll')
    .lookupFunction<FilterInstanceCreateNative, FilterInstanceCreateDart>('FilterInstanceCreate');
// lpFilterName : LPCWSTR -> Pointer<Utf16>
// lpVolumeName : LPCWSTR -> Pointer<Utf16>
// lpInstanceName : LPCWSTR optional -> Pointer<Utf16>
// hInstance : HFILTER_INSTANCE* out -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FilterInstanceCreate(
  lpFilterName: PWideChar;   // LPCWSTR
  lpVolumeName: PWideChar;   // LPCWSTR
  lpInstanceName: PWideChar;   // LPCWSTR optional
  hInstance: Pointer   // HFILTER_INSTANCE* out
): Integer; stdcall;
  external 'FLTLIB.dll' name 'FilterInstanceCreate';

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

foreign import stdcall safe "FilterInstanceCreate"
  c_FilterInstanceCreate :: CWString -> CWString -> CWString -> Ptr CIntPtr -> IO Int32
-- lpFilterName : LPCWSTR -> CWString
-- lpVolumeName : LPCWSTR -> CWString
-- lpInstanceName : LPCWSTR optional -> CWString
-- hInstance : HFILTER_INSTANCE* out -> Ptr CIntPtr
-- 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 filterinstancecreate =
  foreign "FilterInstanceCreate"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr intptr_t) @-> returning int32_t)
(* lpFilterName : LPCWSTR -> (ptr uint16_t) *)
(* lpVolumeName : LPCWSTR -> (ptr uint16_t) *)
(* lpInstanceName : LPCWSTR optional -> (ptr uint16_t) *)
(* hInstance : HFILTER_INSTANCE* out -> (ptr intptr_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 fltlib (t "FLTLIB.dll"))
(cffi:use-foreign-library fltlib)

(cffi:defcfun ("FilterInstanceCreate" filter-instance-create :convention :stdcall) :int32
  (lp-filter-name (:string :encoding :utf-16le))   ; LPCWSTR
  (lp-volume-name (:string :encoding :utf-16le))   ; LPCWSTR
  (lp-instance-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (h-instance :pointer))   ; HFILTER_INSTANCE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FilterInstanceCreate = Win32::API::More->new('FLTLIB',
    'int FilterInstanceCreate(LPCWSTR lpFilterName, LPCWSTR lpVolumeName, LPCWSTR lpInstanceName, LPVOID hInstance)');
# my $ret = $FilterInstanceCreate->Call($lpFilterName, $lpVolumeName, $lpInstanceName, $hInstance);
# lpFilterName : LPCWSTR -> LPCWSTR
# lpVolumeName : LPCWSTR -> LPCWSTR
# lpInstanceName : LPCWSTR optional -> LPCWSTR
# hInstance : HFILTER_INSTANCE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。