PathAllocCombine

// api-ms-win-core-path-l1-1-0.dll
#include <windows.h>

HRESULT PathAllocCombine(
    LPCWSTR pszPathIn,   // optional
    LPCWSTR pszMore,   // optional
    PATHCCH_OPTIONS dwFlags,
    LPWSTR* ppszPathOut
);

<DllImport("api-ms-win-core-path-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function PathAllocCombine(
    <MarshalAs(UnmanagedType.LPWStr)> pszPathIn As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszMore As String,   ' LPCWSTR optional
    dwFlags As UInteger,   ' PATHCCH_OPTIONS
    ppszPathOut As IntPtr   ' LPWSTR* out
) As Integer
End Function

' pszPathIn : LPCWSTR optional
' pszMore : LPCWSTR optional
' dwFlags : PATHCCH_OPTIONS
' ppszPathOut : LPWSTR* out
Declare PtrSafe Function PathAllocCombine Lib "api-ms-win-core-path-l1-1-0" ( _
    ByVal pszPathIn As LongPtr, _
    ByVal pszMore As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal ppszPathOut 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

PathAllocCombine = ctypes.windll.LoadLibrary("api-ms-win-core-path-l1-1-0.dll").PathAllocCombine
PathAllocCombine.restype = ctypes.c_int
PathAllocCombine.argtypes = [
    wintypes.LPCWSTR,  # pszPathIn : LPCWSTR optional
    wintypes.LPCWSTR,  # pszMore : LPCWSTR optional
    wintypes.DWORD,  # dwFlags : PATHCCH_OPTIONS
    ctypes.c_void_p,  # ppszPathOut : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-path-l1-1-0.dll')
PathAllocCombine = Fiddle::Function.new(
  lib['PathAllocCombine'],
  [
    Fiddle::TYPE_VOIDP,  # pszPathIn : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszMore : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : PATHCCH_OPTIONS
    Fiddle::TYPE_VOIDP,  # ppszPathOut : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-path-l1-1-0")]
extern "system" {
    fn PathAllocCombine(
        pszPathIn: *const u16,  // LPCWSTR optional
        pszMore: *const u16,  // LPCWSTR optional
        dwFlags: u32,  // PATHCCH_OPTIONS
        ppszPathOut: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-path-l1-1-0.dll")]
public static extern int PathAllocCombine([MarshalAs(UnmanagedType.LPWStr)] string pszPathIn, [MarshalAs(UnmanagedType.LPWStr)] string pszMore, uint dwFlags, IntPtr ppszPathOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-path-l1-1-0_PathAllocCombine' -Namespace Win32 -PassThru
# $api::PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut)

#uselib "api-ms-win-core-path-l1-1-0.dll"
#func global PathAllocCombine "PathAllocCombine" sptr, sptr, sptr, sptr
; PathAllocCombine pszPathIn, pszMore, dwFlags, varptr(ppszPathOut)   ; 戻り値は stat
; pszPathIn : LPCWSTR optional -> "sptr"
; pszMore : LPCWSTR optional -> "sptr"
; dwFlags : PATHCCH_OPTIONS -> "sptr"
; ppszPathOut : LPWSTR* 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 (
	api_ms_win_core_path_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-path-l1-1-0.dll")
	procPathAllocCombine = api_ms_win_core_path_l1_1_0.NewProc("PathAllocCombine")
)

// pszPathIn (LPCWSTR optional), pszMore (LPCWSTR optional), dwFlags (PATHCCH_OPTIONS), ppszPathOut (LPWSTR* out)
r1, _, err := procPathAllocCombine.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPathIn))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszMore))),
	uintptr(dwFlags),
	uintptr(ppszPathOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PathAllocCombine(
  pszPathIn: PWideChar;   // LPCWSTR optional
  pszMore: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // PATHCCH_OPTIONS
  ppszPathOut: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'api-ms-win-core-path-l1-1-0.dll' name 'PathAllocCombine';

result := DllCall("api-ms-win-core-path-l1-1-0\PathAllocCombine"
    , "WStr", pszPathIn   ; LPCWSTR optional
    , "WStr", pszMore   ; LPCWSTR optional
    , "UInt", dwFlags   ; PATHCCH_OPTIONS
    , "Ptr", ppszPathOut   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut) = DLL("api-ms-win-core-path-l1-1-0.dll", "int PathAllocCombine(char*, char*, dword, void*)")
# 呼び出し: PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut)
# pszPathIn : LPCWSTR optional -> "char*"
# pszMore : LPCWSTR optional -> "char*"
# dwFlags : PATHCCH_OPTIONS -> "dword"
# ppszPathOut : LPWSTR* 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 "api-ms-win-core-path-l1-1-0" fn PathAllocCombine(
    pszPathIn: [*c]const u16, // LPCWSTR optional
    pszMore: [*c]const u16, // LPCWSTR optional
    dwFlags: u32, // PATHCCH_OPTIONS
    ppszPathOut: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) i32;

proc PathAllocCombine(
    pszPathIn: WideCString,  # LPCWSTR optional
    pszMore: WideCString,  # LPCWSTR optional
    dwFlags: uint32,  # PATHCCH_OPTIONS
    ppszPathOut: ptr WideCString  # LPWSTR* out
): int32 {.importc: "PathAllocCombine", stdcall, dynlib: "api-ms-win-core-path-l1-1-0.dll".}

pragma(lib, "api-ms-win-core-path-l1-1-0");
extern(Windows)
int PathAllocCombine(
    const(wchar)* pszPathIn,   // LPCWSTR optional
    const(wchar)* pszMore,   // LPCWSTR optional
    uint dwFlags,   // PATHCCH_OPTIONS
    wchar** ppszPathOut   // LPWSTR* out
);

ccall((:PathAllocCombine, "api-ms-win-core-path-l1-1-0.dll"), stdcall, Int32,
      (Cwstring, Cwstring, UInt32, Ptr{Ptr{UInt16}}),
      pszPathIn, pszMore, dwFlags, ppszPathOut)
# pszPathIn : LPCWSTR optional -> Cwstring
# pszMore : LPCWSTR optional -> Cwstring
# dwFlags : PATHCCH_OPTIONS -> UInt32
# ppszPathOut : LPWSTR* out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PathAllocCombine(
    const uint16_t* pszPathIn,
    const uint16_t* pszMore,
    uint32_t dwFlags,
    uint16_t** ppszPathOut);
]]
local api-ms-win-core-path-l1-1-0 = ffi.load("api-ms-win-core-path-l1-1-0")
-- api-ms-win-core-path-l1-1-0.PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut)
-- pszPathIn : LPCWSTR optional
-- pszMore : LPCWSTR optional
-- dwFlags : PATHCCH_OPTIONS
-- ppszPathOut : LPWSTR* 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('api-ms-win-core-path-l1-1-0.dll');
const PathAllocCombine = lib.func('__stdcall', 'PathAllocCombine', 'int32_t', ['str16', 'str16', 'uint32_t', 'void *']);
// PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut)
// pszPathIn : LPCWSTR optional -> 'str16'
// pszMore : LPCWSTR optional -> 'str16'
// dwFlags : PATHCCH_OPTIONS -> 'uint32_t'
// ppszPathOut : LPWSTR* 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("api-ms-win-core-path-l1-1-0.dll", {
  PathAllocCombine: { parameters: ["buffer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut)
// pszPathIn : LPCWSTR optional -> "buffer"
// pszMore : LPCWSTR optional -> "buffer"
// dwFlags : PATHCCH_OPTIONS -> "u32"
// ppszPathOut : LPWSTR* 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 PathAllocCombine(
    const uint16_t* pszPathIn,
    const uint16_t* pszMore,
    uint32_t dwFlags,
    uint16_t** ppszPathOut);
C, "api-ms-win-core-path-l1-1-0.dll");
// $ffi->PathAllocCombine(pszPathIn, pszMore, dwFlags, ppszPathOut);
// pszPathIn : LPCWSTR optional
// pszMore : LPCWSTR optional
// dwFlags : PATHCCH_OPTIONS
// ppszPathOut : LPWSTR* 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 Api-ms-win-core-path-l1-1-0 extends StdCallLibrary {
    Api-ms-win-core-path-l1-1-0 INSTANCE = Native.load("api-ms-win-core-path-l1-1-0", Api-ms-win-core-path-l1-1-0.class);
    int PathAllocCombine(
        WString pszPathIn,   // LPCWSTR optional
        WString pszMore,   // LPCWSTR optional
        int dwFlags,   // PATHCCH_OPTIONS
        PointerByReference ppszPathOut   // LPWSTR* out
    );
}

@[Link("api-ms-win-core-path-l1-1-0")]
lib Libapi-ms-win-core-path-l1-1-0
  fun PathAllocCombine = PathAllocCombine(
    pszPathIn : UInt16*,   # LPCWSTR optional
    pszMore : UInt16*,   # LPCWSTR optional
    dwFlags : UInt32,   # PATHCCH_OPTIONS
    ppszPathOut : UInt16**   # LPWSTR* 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 PathAllocCombineNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Pointer<Utf16>>);
typedef PathAllocCombineDart = int Function(Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Pointer<Utf16>>);
final PathAllocCombine = DynamicLibrary.open('api-ms-win-core-path-l1-1-0.dll')
    .lookupFunction<PathAllocCombineNative, PathAllocCombineDart>('PathAllocCombine');
// pszPathIn : LPCWSTR optional -> Pointer<Utf16>
// pszMore : LPCWSTR optional -> Pointer<Utf16>
// dwFlags : PATHCCH_OPTIONS -> Uint32
// ppszPathOut : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PathAllocCombine(
  pszPathIn: PWideChar;   // LPCWSTR optional
  pszMore: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // PATHCCH_OPTIONS
  ppszPathOut: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'api-ms-win-core-path-l1-1-0.dll' name 'PathAllocCombine';

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

foreign import stdcall safe "PathAllocCombine"
  c_PathAllocCombine :: CWString -> CWString -> Word32 -> Ptr CWString -> IO Int32
-- pszPathIn : LPCWSTR optional -> CWString
-- pszMore : LPCWSTR optional -> CWString
-- dwFlags : PATHCCH_OPTIONS -> Word32
-- ppszPathOut : LPWSTR* out -> Ptr CWString
-- 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 pathalloccombine =
  foreign "PathAllocCombine"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* pszPathIn : LPCWSTR optional -> (ptr uint16_t) *)
(* pszMore : LPCWSTR optional -> (ptr uint16_t) *)
(* dwFlags : PATHCCH_OPTIONS -> uint32_t *)
(* ppszPathOut : LPWSTR* out -> (ptr (ptr uint16_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 api-ms-win-core-path-l1-1-0 (t "api-ms-win-core-path-l1-1-0.dll"))
(cffi:use-foreign-library api-ms-win-core-path-l1-1-0)

(cffi:defcfun ("PathAllocCombine" path-alloc-combine :convention :stdcall) :int32
  (psz-path-in (:string :encoding :utf-16le))   ; LPCWSTR optional
  (psz-more (:string :encoding :utf-16le))   ; LPCWSTR optional
  (dw-flags :uint32)   ; PATHCCH_OPTIONS
  (ppsz-path-out :pointer))   ; LPWSTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PathAllocCombine = Win32::API::More->new('api-ms-win-core-path-l1-1-0',
    'int PathAllocCombine(LPCWSTR pszPathIn, LPCWSTR pszMore, DWORD dwFlags, LPVOID ppszPathOut)');
# my $ret = $PathAllocCombine->Call($pszPathIn, $pszMore, $dwFlags, $ppszPathOut);
# pszPathIn : LPCWSTR optional -> LPCWSTR
# pszMore : LPCWSTR optional -> LPCWSTR
# dwFlags : PATHCCH_OPTIONS -> DWORD
# ppszPathOut : LPWSTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。