HttpPrepareUrl

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

DWORD HttpPrepareUrl(
    void* Reserved,   // optional
    DWORD Flags,   // optional
    LPCWSTR Url,
    LPWSTR* PreparedUrl
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpPrepareUrl(
    Reserved As IntPtr,   ' void* optional
    Flags As UInteger,   ' DWORD optional
    <MarshalAs(UnmanagedType.LPWStr)> Url As String,   ' LPCWSTR
    PreparedUrl As IntPtr   ' LPWSTR* out
) As UInteger
End Function

' Reserved : void* optional
' Flags : DWORD optional
' Url : LPCWSTR
' PreparedUrl : LPWSTR* out
Declare PtrSafe Function HttpPrepareUrl Lib "httpapi" ( _
    ByVal Reserved As LongPtr, _
    ByVal Flags As Long, _
    ByVal Url As LongPtr, _
    ByVal PreparedUrl 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

HttpPrepareUrl = ctypes.windll.httpapi.HttpPrepareUrl
HttpPrepareUrl.restype = wintypes.DWORD
HttpPrepareUrl.argtypes = [
    ctypes.POINTER(None),  # Reserved : void* optional
    wintypes.DWORD,  # Flags : DWORD optional
    wintypes.LPCWSTR,  # Url : LPCWSTR
    ctypes.c_void_p,  # PreparedUrl : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpPrepareUrl = Fiddle::Function.new(
  lib['HttpPrepareUrl'],
  [
    Fiddle::TYPE_VOIDP,  # Reserved : void* optional
    -Fiddle::TYPE_INT,  # Flags : DWORD optional
    Fiddle::TYPE_VOIDP,  # Url : LPCWSTR
    Fiddle::TYPE_VOIDP,  # PreparedUrl : LPWSTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpPrepareUrl(
        Reserved: *mut (),  // void* optional
        Flags: u32,  // DWORD optional
        Url: *const u16,  // LPCWSTR
        PreparedUrl: *mut *mut u16  // LPWSTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpPrepareUrl(IntPtr Reserved, uint Flags, [MarshalAs(UnmanagedType.LPWStr)] string Url, IntPtr PreparedUrl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpPrepareUrl' -Namespace Win32 -PassThru
# $api::HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)

#uselib "HTTPAPI.dll"
#func global HttpPrepareUrl "HttpPrepareUrl" sptr, sptr, sptr, sptr
; HttpPrepareUrl Reserved, Flags, Url, varptr(PreparedUrl)   ; 戻り値は stat
; Reserved : void* optional -> "sptr"
; Flags : DWORD optional -> "sptr"
; Url : LPCWSTR -> "sptr"
; PreparedUrl : 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 (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpPrepareUrl = httpapi.NewProc("HttpPrepareUrl")
)

// Reserved (void* optional), Flags (DWORD optional), Url (LPCWSTR), PreparedUrl (LPWSTR* out)
r1, _, err := procHttpPrepareUrl.Call(
	uintptr(Reserved),
	uintptr(Flags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Url))),
	uintptr(PreparedUrl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpPrepareUrl(
  Reserved: Pointer;   // void* optional
  Flags: DWORD;   // DWORD optional
  Url: PWideChar;   // LPCWSTR
  PreparedUrl: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpPrepareUrl';

result := DllCall("HTTPAPI\HttpPrepareUrl"
    , "Ptr", Reserved   ; void* optional
    , "UInt", Flags   ; DWORD optional
    , "WStr", Url   ; LPCWSTR
    , "Ptr", PreparedUrl   ; LPWSTR* out
    , "UInt")   ; return: DWORD

●HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl) = DLL("HTTPAPI.dll", "dword HttpPrepareUrl(void*, dword, char*, void*)")
# 呼び出し: HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
# Reserved : void* optional -> "void*"
# Flags : DWORD optional -> "dword"
# Url : LPCWSTR -> "char*"
# PreparedUrl : 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 "httpapi" fn HttpPrepareUrl(
    Reserved: ?*anyopaque, // void* optional
    Flags: u32, // DWORD optional
    Url: [*c]const u16, // LPCWSTR
    PreparedUrl: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) u32;

proc HttpPrepareUrl(
    Reserved: pointer,  # void* optional
    Flags: uint32,  # DWORD optional
    Url: WideCString,  # LPCWSTR
    PreparedUrl: ptr WideCString  # LPWSTR* out
): uint32 {.importc: "HttpPrepareUrl", stdcall, dynlib: "HTTPAPI.dll".}

pragma(lib, "httpapi");
extern(Windows)
uint HttpPrepareUrl(
    void* Reserved,   // void* optional
    uint Flags,   // DWORD optional
    const(wchar)* Url,   // LPCWSTR
    wchar** PreparedUrl   // LPWSTR* out
);

ccall((:HttpPrepareUrl, "HTTPAPI.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Cwstring, Ptr{Ptr{UInt16}}),
      Reserved, Flags, Url, PreparedUrl)
# Reserved : void* optional -> Ptr{Cvoid}
# Flags : DWORD optional -> UInt32
# Url : LPCWSTR -> Cwstring
# PreparedUrl : 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[[
uint32_t HttpPrepareUrl(
    void* Reserved,
    uint32_t Flags,
    const uint16_t* Url,
    uint16_t** PreparedUrl);
]]
local httpapi = ffi.load("httpapi")
-- httpapi.HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
-- Reserved : void* optional
-- Flags : DWORD optional
-- Url : LPCWSTR
-- PreparedUrl : 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('HTTPAPI.dll');
const HttpPrepareUrl = lib.func('__stdcall', 'HttpPrepareUrl', 'uint32_t', ['void *', 'uint32_t', 'str16', 'void *']);
// HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
// Reserved : void* optional -> 'void *'
// Flags : DWORD optional -> 'uint32_t'
// Url : LPCWSTR -> 'str16'
// PreparedUrl : 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("HTTPAPI.dll", {
  HttpPrepareUrl: { parameters: ["pointer", "u32", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl)
// Reserved : void* optional -> "pointer"
// Flags : DWORD optional -> "u32"
// Url : LPCWSTR -> "buffer"
// PreparedUrl : 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
uint32_t HttpPrepareUrl(
    void* Reserved,
    uint32_t Flags,
    const uint16_t* Url,
    uint16_t** PreparedUrl);
C, "HTTPAPI.dll");
// $ffi->HttpPrepareUrl(Reserved, Flags, Url, PreparedUrl);
// Reserved : void* optional
// Flags : DWORD optional
// Url : LPCWSTR
// PreparedUrl : 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 Httpapi extends StdCallLibrary {
    Httpapi INSTANCE = Native.load("httpapi", Httpapi.class);
    int HttpPrepareUrl(
        Pointer Reserved,   // void* optional
        int Flags,   // DWORD optional
        WString Url,   // LPCWSTR
        PointerByReference PreparedUrl   // LPWSTR* out
    );
}

@[Link("httpapi")]
lib LibHTTPAPI
  fun HttpPrepareUrl = HttpPrepareUrl(
    Reserved : Void*,   # void* optional
    Flags : UInt32,   # DWORD optional
    Url : UInt16*,   # LPCWSTR
    PreparedUrl : UInt16**   # LPWSTR* out
  ) : UInt32
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 HttpPrepareUrlNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf16>, Pointer<Pointer<Utf16>>);
typedef HttpPrepareUrlDart = int Function(Pointer<Void>, int, Pointer<Utf16>, Pointer<Pointer<Utf16>>);
final HttpPrepareUrl = DynamicLibrary.open('HTTPAPI.dll')
    .lookupFunction<HttpPrepareUrlNative, HttpPrepareUrlDart>('HttpPrepareUrl');
// Reserved : void* optional -> Pointer<Void>
// Flags : DWORD optional -> Uint32
// Url : LPCWSTR -> Pointer<Utf16>
// PreparedUrl : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HttpPrepareUrl(
  Reserved: Pointer;   // void* optional
  Flags: DWORD;   // DWORD optional
  Url: PWideChar;   // LPCWSTR
  PreparedUrl: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpPrepareUrl';

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

foreign import stdcall safe "HttpPrepareUrl"
  c_HttpPrepareUrl :: Ptr () -> Word32 -> CWString -> Ptr CWString -> IO Word32
-- Reserved : void* optional -> Ptr ()
-- Flags : DWORD optional -> Word32
-- Url : LPCWSTR -> CWString
-- PreparedUrl : 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 httpprepareurl =
  foreign "HttpPrepareUrl"
    ((ptr void) @-> uint32_t @-> (ptr uint16_t) @-> (ptr (ptr uint16_t)) @-> returning uint32_t)
(* Reserved : void* optional -> (ptr void) *)
(* Flags : DWORD optional -> uint32_t *)
(* Url : LPCWSTR -> (ptr uint16_t) *)
(* PreparedUrl : 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 httpapi (t "HTTPAPI.dll"))
(cffi:use-foreign-library httpapi)

(cffi:defcfun ("HttpPrepareUrl" http-prepare-url :convention :stdcall) :uint32
  (reserved :pointer)   ; void* optional
  (flags :uint32)   ; DWORD optional
  (url (:string :encoding :utf-16le))   ; LPCWSTR
  (prepared-url :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 $HttpPrepareUrl = Win32::API::More->new('HTTPAPI',
    'DWORD HttpPrepareUrl(LPVOID Reserved, DWORD Flags, LPCWSTR Url, LPVOID PreparedUrl)');
# my $ret = $HttpPrepareUrl->Call($Reserved, $Flags, $Url, $PreparedUrl);
# Reserved : void* optional -> LPVOID
# Flags : DWORD optional -> DWORD
# Url : LPCWSTR -> LPCWSTR
# PreparedUrl : 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。