SHLoadIndirectString

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

HRESULT SHLoadIndirectString(
    LPCWSTR pszSource,
    LPWSTR pszOutBuf,
    DWORD cchOutBuf,
    void** ppvReserved   // optional
);

<DllImport("SHLWAPI.dll", ExactSpelling:=True)>
Public Shared Function SHLoadIndirectString(
    <MarshalAs(UnmanagedType.LPWStr)> pszSource As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszOutBuf As System.Text.StringBuilder,   ' LPWSTR out
    cchOutBuf As UInteger,   ' DWORD
    ppvReserved As IntPtr   ' void** optional
) As Integer
End Function

' pszSource : LPCWSTR
' pszOutBuf : LPWSTR out
' cchOutBuf : DWORD
' ppvReserved : void** optional
Declare PtrSafe Function SHLoadIndirectString Lib "shlwapi" ( _
    ByVal pszSource As LongPtr, _
    ByVal pszOutBuf As LongPtr, _
    ByVal cchOutBuf As Long, _
    ByVal ppvReserved 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

SHLoadIndirectString = ctypes.windll.shlwapi.SHLoadIndirectString
SHLoadIndirectString.restype = ctypes.c_int
SHLoadIndirectString.argtypes = [
    wintypes.LPCWSTR,  # pszSource : LPCWSTR
    wintypes.LPWSTR,  # pszOutBuf : LPWSTR out
    wintypes.DWORD,  # cchOutBuf : DWORD
    ctypes.c_void_p,  # ppvReserved : void** optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
SHLoadIndirectString = Fiddle::Function.new(
  lib['SHLoadIndirectString'],
  [
    Fiddle::TYPE_VOIDP,  # pszSource : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszOutBuf : LPWSTR out
    -Fiddle::TYPE_INT,  # cchOutBuf : DWORD
    Fiddle::TYPE_VOIDP,  # ppvReserved : void** optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn SHLoadIndirectString(
        pszSource: *const u16,  // LPCWSTR
        pszOutBuf: *mut u16,  // LPWSTR out
        cchOutBuf: u32,  // DWORD
        ppvReserved: *mut *mut ()  // void** optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll")]
public static extern int SHLoadIndirectString([MarshalAs(UnmanagedType.LPWStr)] string pszSource, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszOutBuf, uint cchOutBuf, IntPtr ppvReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_SHLoadIndirectString' -Namespace Win32 -PassThru
# $api::SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved)

#uselib "SHLWAPI.dll"
#func global SHLoadIndirectString "SHLoadIndirectString" sptr, sptr, sptr, sptr
; SHLoadIndirectString pszSource, varptr(pszOutBuf), cchOutBuf, ppvReserved   ; 戻り値は stat
; pszSource : LPCWSTR -> "sptr"
; pszOutBuf : LPWSTR out -> "sptr"
; cchOutBuf : DWORD -> "sptr"
; ppvReserved : void** optional -> "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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procSHLoadIndirectString = shlwapi.NewProc("SHLoadIndirectString")
)

// pszSource (LPCWSTR), pszOutBuf (LPWSTR out), cchOutBuf (DWORD), ppvReserved (void** optional)
r1, _, err := procSHLoadIndirectString.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszSource))),
	uintptr(pszOutBuf),
	uintptr(cchOutBuf),
	uintptr(ppvReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHLoadIndirectString(
  pszSource: PWideChar;   // LPCWSTR
  pszOutBuf: PWideChar;   // LPWSTR out
  cchOutBuf: DWORD;   // DWORD
  ppvReserved: Pointer   // void** optional
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'SHLoadIndirectString';

result := DllCall("SHLWAPI\SHLoadIndirectString"
    , "WStr", pszSource   ; LPCWSTR
    , "Ptr", pszOutBuf   ; LPWSTR out
    , "UInt", cchOutBuf   ; DWORD
    , "Ptr", ppvReserved   ; void** optional
    , "Int")   ; return: HRESULT

●SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved) = DLL("SHLWAPI.dll", "int SHLoadIndirectString(char*, char*, dword, void*)")
# 呼び出し: SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved)
# pszSource : LPCWSTR -> "char*"
# pszOutBuf : LPWSTR out -> "char*"
# cchOutBuf : DWORD -> "dword"
# ppvReserved : void** optional -> "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 "shlwapi" fn SHLoadIndirectString(
    pszSource: [*c]const u16, // LPCWSTR
    pszOutBuf: [*c]u16, // LPWSTR out
    cchOutBuf: u32, // DWORD
    ppvReserved: ?*anyopaque // void** optional
) callconv(std.os.windows.WINAPI) i32;

proc SHLoadIndirectString(
    pszSource: WideCString,  # LPCWSTR
    pszOutBuf: ptr uint16,  # LPWSTR out
    cchOutBuf: uint32,  # DWORD
    ppvReserved: pointer  # void** optional
): int32 {.importc: "SHLoadIndirectString", stdcall, dynlib: "SHLWAPI.dll".}

pragma(lib, "shlwapi");
extern(Windows)
int SHLoadIndirectString(
    const(wchar)* pszSource,   // LPCWSTR
    wchar* pszOutBuf,   // LPWSTR out
    uint cchOutBuf,   // DWORD
    void** ppvReserved   // void** optional
);

ccall((:SHLoadIndirectString, "SHLWAPI.dll"), stdcall, Int32,
      (Cwstring, Ptr{UInt16}, UInt32, Ptr{Cvoid}),
      pszSource, pszOutBuf, cchOutBuf, ppvReserved)
# pszSource : LPCWSTR -> Cwstring
# pszOutBuf : LPWSTR out -> Ptr{UInt16}
# cchOutBuf : DWORD -> UInt32
# ppvReserved : void** optional -> 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 SHLoadIndirectString(
    const uint16_t* pszSource,
    uint16_t* pszOutBuf,
    uint32_t cchOutBuf,
    void** ppvReserved);
]]
local shlwapi = ffi.load("shlwapi")
-- shlwapi.SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved)
-- pszSource : LPCWSTR
-- pszOutBuf : LPWSTR out
-- cchOutBuf : DWORD
-- ppvReserved : void** optional
-- 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('SHLWAPI.dll');
const SHLoadIndirectString = lib.func('__stdcall', 'SHLoadIndirectString', 'int32_t', ['str16', 'uint16_t *', 'uint32_t', 'void *']);
// SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved)
// pszSource : LPCWSTR -> 'str16'
// pszOutBuf : LPWSTR out -> 'uint16_t *'
// cchOutBuf : DWORD -> 'uint32_t'
// ppvReserved : void** optional -> '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("SHLWAPI.dll", {
  SHLoadIndirectString: { parameters: ["buffer", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved)
// pszSource : LPCWSTR -> "buffer"
// pszOutBuf : LPWSTR out -> "buffer"
// cchOutBuf : DWORD -> "u32"
// ppvReserved : void** optional -> "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 SHLoadIndirectString(
    const uint16_t* pszSource,
    uint16_t* pszOutBuf,
    uint32_t cchOutBuf,
    void** ppvReserved);
C, "SHLWAPI.dll");
// $ffi->SHLoadIndirectString(pszSource, pszOutBuf, cchOutBuf, ppvReserved);
// pszSource : LPCWSTR
// pszOutBuf : LPWSTR out
// cchOutBuf : DWORD
// ppvReserved : void** optional
// 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 Shlwapi extends StdCallLibrary {
    Shlwapi INSTANCE = Native.load("shlwapi", Shlwapi.class);
    int SHLoadIndirectString(
        WString pszSource,   // LPCWSTR
        char[] pszOutBuf,   // LPWSTR out
        int cchOutBuf,   // DWORD
        Pointer ppvReserved   // void** optional
    );
}

@[Link("shlwapi")]
lib LibSHLWAPI
  fun SHLoadIndirectString = SHLoadIndirectString(
    pszSource : UInt16*,   # LPCWSTR
    pszOutBuf : UInt16*,   # LPWSTR out
    cchOutBuf : UInt32,   # DWORD
    ppvReserved : Void**   # void** optional
  ) : 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 SHLoadIndirectStringNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Void>);
typedef SHLoadIndirectStringDart = int Function(Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Void>);
final SHLoadIndirectString = DynamicLibrary.open('SHLWAPI.dll')
    .lookupFunction<SHLoadIndirectStringNative, SHLoadIndirectStringDart>('SHLoadIndirectString');
// pszSource : LPCWSTR -> Pointer<Utf16>
// pszOutBuf : LPWSTR out -> Pointer<Utf16>
// cchOutBuf : DWORD -> Uint32
// ppvReserved : void** optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SHLoadIndirectString(
  pszSource: PWideChar;   // LPCWSTR
  pszOutBuf: PWideChar;   // LPWSTR out
  cchOutBuf: DWORD;   // DWORD
  ppvReserved: Pointer   // void** optional
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'SHLoadIndirectString';

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

foreign import stdcall safe "SHLoadIndirectString"
  c_SHLoadIndirectString :: CWString -> CWString -> Word32 -> Ptr () -> IO Int32
-- pszSource : LPCWSTR -> CWString
-- pszOutBuf : LPWSTR out -> CWString
-- cchOutBuf : DWORD -> Word32
-- ppvReserved : void** optional -> 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 shloadindirectstring =
  foreign "SHLoadIndirectString"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* pszSource : LPCWSTR -> (ptr uint16_t) *)
(* pszOutBuf : LPWSTR out -> (ptr uint16_t) *)
(* cchOutBuf : DWORD -> uint32_t *)
(* ppvReserved : void** optional -> (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 shlwapi (t "SHLWAPI.dll"))
(cffi:use-foreign-library shlwapi)

(cffi:defcfun ("SHLoadIndirectString" shload-indirect-string :convention :stdcall) :int32
  (psz-source (:string :encoding :utf-16le))   ; LPCWSTR
  (psz-out-buf :pointer)   ; LPWSTR out
  (cch-out-buf :uint32)   ; DWORD
  (ppv-reserved :pointer))   ; void** optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SHLoadIndirectString = Win32::API::More->new('SHLWAPI',
    'int SHLoadIndirectString(LPCWSTR pszSource, LPWSTR pszOutBuf, DWORD cchOutBuf, LPVOID ppvReserved)');
# my $ret = $SHLoadIndirectString->Call($pszSource, $pszOutBuf, $cchOutBuf, $ppvReserved);
# pszSource : LPCWSTR -> LPCWSTR
# pszOutBuf : LPWSTR out -> LPWSTR
# cchOutBuf : DWORD -> DWORD
# ppvReserved : void** optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。