ホーム › Networking.WinHttp › WinHttpReadProxySettings

WinHttpReadProxySettings

関数

保存されたWinHTTPのプロキシ設定を読み込む。

DLLWINHTTP.dll呼出規約winapi

シグネチャ

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

DWORD WinHttpReadProxySettings(
    void* hSession,
    LPCWSTR pcwszConnectionName,   // optional
    BOOL fFallBackToDefaultSettings,
    BOOL fSetAutoDiscoverForDefaultSettings,
    DWORD* pdwSettingsVersion,
    BOOL* pfDefaultSettingsAreReturned,
    WINHTTP_PROXY_SETTINGS* pWinHttpProxySettings
);

パラメーター

名前	型	方向	説明
hSession	void*	in	WinHttpOpenで取得したセッションハンドル。プロキシ設定の読み取り対象。
pcwszConnectionName	LPCWSTR	inoptional	読み取る接続名を指す広域文字列。NULLで既定のLAN接続を指す。
fFallBackToDefaultSettings	BOOL	in	TRUEなら指定接続に設定が無い場合に既定設定へフォールバックする。
fSetAutoDiscoverForDefaultSettings	BOOL	in	TRUEなら既定設定返却時に自動検出を有効化する。
pdwSettingsVersion	DWORD*	out	返される設定のバージョン番号を受け取るDWORDポインタ。出力用。
pfDefaultSettingsAreReturned	BOOL*	out	既定設定が返されたか否かを示すBOOLを受け取るポインタ。出力用。
pWinHttpProxySettings	WINHTTP_PROXY_SETTINGS*	out	読み取ったプロキシ設定を受け取るWINHTTP_PROXY_SETTINGS構造体ポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD WinHttpReadProxySettings(
    void* hSession,
    LPCWSTR pcwszConnectionName,   // optional
    BOOL fFallBackToDefaultSettings,
    BOOL fSetAutoDiscoverForDefaultSettings,
    DWORD* pdwSettingsVersion,
    BOOL* pfDefaultSettingsAreReturned,
    WINHTTP_PROXY_SETTINGS* pWinHttpProxySettings
);

[DllImport("WINHTTP.dll", ExactSpelling = true)]
static extern uint WinHttpReadProxySettings(
    IntPtr hSession,   // void*
    [MarshalAs(UnmanagedType.LPWStr)] string pcwszConnectionName,   // LPCWSTR optional
    bool fFallBackToDefaultSettings,   // BOOL
    bool fSetAutoDiscoverForDefaultSettings,   // BOOL
    out uint pdwSettingsVersion,   // DWORD* out
    out bool pfDefaultSettingsAreReturned,   // BOOL* out
    IntPtr pWinHttpProxySettings   // WINHTTP_PROXY_SETTINGS* out
);

<DllImport("WINHTTP.dll", ExactSpelling:=True)>
Public Shared Function WinHttpReadProxySettings(
    hSession As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPWStr)> pcwszConnectionName As String,   ' LPCWSTR optional
    fFallBackToDefaultSettings As Boolean,   ' BOOL
    fSetAutoDiscoverForDefaultSettings As Boolean,   ' BOOL
    <Out> ByRef pdwSettingsVersion As UInteger,   ' DWORD* out
    <Out> ByRef pfDefaultSettingsAreReturned As Boolean,   ' BOOL* out
    pWinHttpProxySettings As IntPtr   ' WINHTTP_PROXY_SETTINGS* out
) As UInteger
End Function

' hSession : void*
' pcwszConnectionName : LPCWSTR optional
' fFallBackToDefaultSettings : BOOL
' fSetAutoDiscoverForDefaultSettings : BOOL
' pdwSettingsVersion : DWORD* out
' pfDefaultSettingsAreReturned : BOOL* out
' pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out
Declare PtrSafe Function WinHttpReadProxySettings Lib "winhttp" ( _
    ByVal hSession As LongPtr, _
    ByVal pcwszConnectionName As LongPtr, _
    ByVal fFallBackToDefaultSettings As Long, _
    ByVal fSetAutoDiscoverForDefaultSettings As Long, _
    ByRef pdwSettingsVersion As Long, _
    ByRef pfDefaultSettingsAreReturned As Long, _
    ByVal pWinHttpProxySettings 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

WinHttpReadProxySettings = ctypes.windll.winhttp.WinHttpReadProxySettings
WinHttpReadProxySettings.restype = wintypes.DWORD
WinHttpReadProxySettings.argtypes = [
    ctypes.POINTER(None),  # hSession : void*
    wintypes.LPCWSTR,  # pcwszConnectionName : LPCWSTR optional
    wintypes.BOOL,  # fFallBackToDefaultSettings : BOOL
    wintypes.BOOL,  # fSetAutoDiscoverForDefaultSettings : BOOL
    ctypes.POINTER(wintypes.DWORD),  # pdwSettingsVersion : DWORD* out
    ctypes.c_void_p,  # pfDefaultSettingsAreReturned : BOOL* out
    ctypes.c_void_p,  # pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpReadProxySettings = Fiddle::Function.new(
  lib['WinHttpReadProxySettings'],
  [
    Fiddle::TYPE_VOIDP,  # hSession : void*
    Fiddle::TYPE_VOIDP,  # pcwszConnectionName : LPCWSTR optional
    Fiddle::TYPE_INT,  # fFallBackToDefaultSettings : BOOL
    Fiddle::TYPE_INT,  # fSetAutoDiscoverForDefaultSettings : BOOL
    Fiddle::TYPE_VOIDP,  # pdwSettingsVersion : DWORD* out
    Fiddle::TYPE_VOIDP,  # pfDefaultSettingsAreReturned : BOOL* out
    Fiddle::TYPE_VOIDP,  # pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpReadProxySettings(
        hSession: *mut (),  // void*
        pcwszConnectionName: *const u16,  // LPCWSTR optional
        fFallBackToDefaultSettings: i32,  // BOOL
        fSetAutoDiscoverForDefaultSettings: i32,  // BOOL
        pdwSettingsVersion: *mut u32,  // DWORD* out
        pfDefaultSettingsAreReturned: *mut i32,  // BOOL* out
        pWinHttpProxySettings: *mut WINHTTP_PROXY_SETTINGS  // WINHTTP_PROXY_SETTINGS* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINHTTP.dll")]
public static extern uint WinHttpReadProxySettings(IntPtr hSession, [MarshalAs(UnmanagedType.LPWStr)] string pcwszConnectionName, bool fFallBackToDefaultSettings, bool fSetAutoDiscoverForDefaultSettings, out uint pdwSettingsVersion, out bool pfDefaultSettingsAreReturned, IntPtr pWinHttpProxySettings);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpReadProxySettings' -Namespace Win32 -PassThru
# $api::WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)

#uselib "WINHTTP.dll"
#func global WinHttpReadProxySettings "WinHttpReadProxySettings" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WinHttpReadProxySettings hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, varptr(pdwSettingsVersion), varptr(pfDefaultSettingsAreReturned), varptr(pWinHttpProxySettings)   ; 戻り値は stat
; hSession : void* -> "sptr"
; pcwszConnectionName : LPCWSTR optional -> "sptr"
; fFallBackToDefaultSettings : BOOL -> "sptr"
; fSetAutoDiscoverForDefaultSettings : BOOL -> "sptr"
; pdwSettingsVersion : DWORD* out -> "sptr"
; pfDefaultSettingsAreReturned : BOOL* out -> "sptr"
; pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* 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。

出力引数:

#uselib "WINHTTP.dll"
#cfunc global WinHttpReadProxySettings "WinHttpReadProxySettings" sptr, wstr, int, int, var, var, var
; res = WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
; hSession : void* -> "sptr"
; pcwszConnectionName : LPCWSTR optional -> "wstr"
; fFallBackToDefaultSettings : BOOL -> "int"
; fSetAutoDiscoverForDefaultSettings : BOOL -> "int"
; pdwSettingsVersion : DWORD* out -> "var"
; pfDefaultSettingsAreReturned : BOOL* out -> "var"
; pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "WINHTTP.dll"
#cfunc global WinHttpReadProxySettings "WinHttpReadProxySettings" sptr, wstr, int, int, sptr, sptr, sptr
; res = WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, varptr(pdwSettingsVersion), varptr(pfDefaultSettingsAreReturned), varptr(pWinHttpProxySettings))
; hSession : void* -> "sptr"
; pcwszConnectionName : LPCWSTR optional -> "wstr"
; fFallBackToDefaultSettings : BOOL -> "int"
; fSetAutoDiscoverForDefaultSettings : BOOL -> "int"
; pdwSettingsVersion : DWORD* out -> "sptr"
; pfDefaultSettingsAreReturned : BOOL* out -> "sptr"
; pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD WinHttpReadProxySettings(void* hSession, LPCWSTR pcwszConnectionName, BOOL fFallBackToDefaultSettings, BOOL fSetAutoDiscoverForDefaultSettings, DWORD* pdwSettingsVersion, BOOL* pfDefaultSettingsAreReturned, WINHTTP_PROXY_SETTINGS* pWinHttpProxySettings)
#uselib "WINHTTP.dll"
#cfunc global WinHttpReadProxySettings "WinHttpReadProxySettings" intptr, wstr, int, int, var, var, var
; res = WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
; hSession : void* -> "intptr"
; pcwszConnectionName : LPCWSTR optional -> "wstr"
; fFallBackToDefaultSettings : BOOL -> "int"
; fSetAutoDiscoverForDefaultSettings : BOOL -> "int"
; pdwSettingsVersion : DWORD* out -> "var"
; pfDefaultSettingsAreReturned : BOOL* out -> "var"
; pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD WinHttpReadProxySettings(void* hSession, LPCWSTR pcwszConnectionName, BOOL fFallBackToDefaultSettings, BOOL fSetAutoDiscoverForDefaultSettings, DWORD* pdwSettingsVersion, BOOL* pfDefaultSettingsAreReturned, WINHTTP_PROXY_SETTINGS* pWinHttpProxySettings)
#uselib "WINHTTP.dll"
#cfunc global WinHttpReadProxySettings "WinHttpReadProxySettings" intptr, wstr, int, int, intptr, intptr, intptr
; res = WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, varptr(pdwSettingsVersion), varptr(pfDefaultSettingsAreReturned), varptr(pWinHttpProxySettings))
; hSession : void* -> "intptr"
; pcwszConnectionName : LPCWSTR optional -> "wstr"
; fFallBackToDefaultSettings : BOOL -> "int"
; fSetAutoDiscoverForDefaultSettings : BOOL -> "int"
; pdwSettingsVersion : DWORD* out -> "intptr"
; pfDefaultSettingsAreReturned : BOOL* out -> "intptr"
; pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpReadProxySettings = winhttp.NewProc("WinHttpReadProxySettings")
)

// hSession (void*), pcwszConnectionName (LPCWSTR optional), fFallBackToDefaultSettings (BOOL), fSetAutoDiscoverForDefaultSettings (BOOL), pdwSettingsVersion (DWORD* out), pfDefaultSettingsAreReturned (BOOL* out), pWinHttpProxySettings (WINHTTP_PROXY_SETTINGS* out)
r1, _, err := procWinHttpReadProxySettings.Call(
	uintptr(hSession),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pcwszConnectionName))),
	uintptr(fFallBackToDefaultSettings),
	uintptr(fSetAutoDiscoverForDefaultSettings),
	uintptr(pdwSettingsVersion),
	uintptr(pfDefaultSettingsAreReturned),
	uintptr(pWinHttpProxySettings),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WinHttpReadProxySettings(
  hSession: Pointer;   // void*
  pcwszConnectionName: PWideChar;   // LPCWSTR optional
  fFallBackToDefaultSettings: BOOL;   // BOOL
  fSetAutoDiscoverForDefaultSettings: BOOL;   // BOOL
  pdwSettingsVersion: Pointer;   // DWORD* out
  pfDefaultSettingsAreReturned: Pointer;   // BOOL* out
  pWinHttpProxySettings: Pointer   // WINHTTP_PROXY_SETTINGS* out
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpReadProxySettings';

result := DllCall("WINHTTP\WinHttpReadProxySettings"
    , "Ptr", hSession   ; void*
    , "WStr", pcwszConnectionName   ; LPCWSTR optional
    , "Int", fFallBackToDefaultSettings   ; BOOL
    , "Int", fSetAutoDiscoverForDefaultSettings   ; BOOL
    , "Ptr", pdwSettingsVersion   ; DWORD* out
    , "Ptr", pfDefaultSettingsAreReturned   ; BOOL* out
    , "Ptr", pWinHttpProxySettings   ; WINHTTP_PROXY_SETTINGS* out
    , "UInt")   ; return: DWORD

●WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings) = DLL("WINHTTP.dll", "dword WinHttpReadProxySettings(void*, char*, bool, bool, void*, void*, void*)")
# 呼び出し: WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
# hSession : void* -> "void*"
# pcwszConnectionName : LPCWSTR optional -> "char*"
# fFallBackToDefaultSettings : BOOL -> "bool"
# fSetAutoDiscoverForDefaultSettings : BOOL -> "bool"
# pdwSettingsVersion : DWORD* out -> "void*"
# pfDefaultSettingsAreReturned : BOOL* out -> "void*"
# pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* 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 "winhttp" fn WinHttpReadProxySettings(
    hSession: ?*anyopaque, // void*
    pcwszConnectionName: [*c]const u16, // LPCWSTR optional
    fFallBackToDefaultSettings: i32, // BOOL
    fSetAutoDiscoverForDefaultSettings: i32, // BOOL
    pdwSettingsVersion: [*c]u32, // DWORD* out
    pfDefaultSettingsAreReturned: [*c]i32, // BOOL* out
    pWinHttpProxySettings: [*c]WINHTTP_PROXY_SETTINGS // WINHTTP_PROXY_SETTINGS* out
) callconv(std.os.windows.WINAPI) u32;

proc WinHttpReadProxySettings(
    hSession: pointer,  # void*
    pcwszConnectionName: WideCString,  # LPCWSTR optional
    fFallBackToDefaultSettings: int32,  # BOOL
    fSetAutoDiscoverForDefaultSettings: int32,  # BOOL
    pdwSettingsVersion: ptr uint32,  # DWORD* out
    pfDefaultSettingsAreReturned: ptr int32,  # BOOL* out
    pWinHttpProxySettings: ptr WINHTTP_PROXY_SETTINGS  # WINHTTP_PROXY_SETTINGS* out
): uint32 {.importc: "WinHttpReadProxySettings", stdcall, dynlib: "WINHTTP.dll".}

pragma(lib, "winhttp");
extern(Windows)
uint WinHttpReadProxySettings(
    void* hSession,   // void*
    const(wchar)* pcwszConnectionName,   // LPCWSTR optional
    int fFallBackToDefaultSettings,   // BOOL
    int fSetAutoDiscoverForDefaultSettings,   // BOOL
    uint* pdwSettingsVersion,   // DWORD* out
    int* pfDefaultSettingsAreReturned,   // BOOL* out
    WINHTTP_PROXY_SETTINGS* pWinHttpProxySettings   // WINHTTP_PROXY_SETTINGS* out
);

ccall((:WinHttpReadProxySettings, "WINHTTP.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Cwstring, Int32, Int32, Ptr{UInt32}, Ptr{Int32}, Ptr{WINHTTP_PROXY_SETTINGS}),
      hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
# hSession : void* -> Ptr{Cvoid}
# pcwszConnectionName : LPCWSTR optional -> Cwstring
# fFallBackToDefaultSettings : BOOL -> Int32
# fSetAutoDiscoverForDefaultSettings : BOOL -> Int32
# pdwSettingsVersion : DWORD* out -> Ptr{UInt32}
# pfDefaultSettingsAreReturned : BOOL* out -> Ptr{Int32}
# pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> Ptr{WINHTTP_PROXY_SETTINGS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WinHttpReadProxySettings(
    void* hSession,
    const uint16_t* pcwszConnectionName,
    int32_t fFallBackToDefaultSettings,
    int32_t fSetAutoDiscoverForDefaultSettings,
    uint32_t* pdwSettingsVersion,
    int32_t* pfDefaultSettingsAreReturned,
    void* pWinHttpProxySettings);
]]
local winhttp = ffi.load("winhttp")
-- winhttp.WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
-- hSession : void*
-- pcwszConnectionName : LPCWSTR optional
-- fFallBackToDefaultSettings : BOOL
-- fSetAutoDiscoverForDefaultSettings : BOOL
-- pdwSettingsVersion : DWORD* out
-- pfDefaultSettingsAreReturned : BOOL* out
-- pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* 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('WINHTTP.dll');
const WinHttpReadProxySettings = lib.func('__stdcall', 'WinHttpReadProxySettings', 'uint32_t', ['void *', 'str16', 'int32_t', 'int32_t', 'uint32_t *', 'int32_t *', 'void *']);
// WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
// hSession : void* -> 'void *'
// pcwszConnectionName : LPCWSTR optional -> 'str16'
// fFallBackToDefaultSettings : BOOL -> 'int32_t'
// fSetAutoDiscoverForDefaultSettings : BOOL -> 'int32_t'
// pdwSettingsVersion : DWORD* out -> 'uint32_t *'
// pfDefaultSettingsAreReturned : BOOL* out -> 'int32_t *'
// pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* 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("WINHTTP.dll", {
  WinHttpReadProxySettings: { parameters: ["pointer", "buffer", "i32", "i32", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings)
// hSession : void* -> "pointer"
// pcwszConnectionName : LPCWSTR optional -> "buffer"
// fFallBackToDefaultSettings : BOOL -> "i32"
// fSetAutoDiscoverForDefaultSettings : BOOL -> "i32"
// pdwSettingsVersion : DWORD* out -> "pointer"
// pfDefaultSettingsAreReturned : BOOL* out -> "pointer"
// pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* 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 WinHttpReadProxySettings(
    void* hSession,
    const uint16_t* pcwszConnectionName,
    int32_t fFallBackToDefaultSettings,
    int32_t fSetAutoDiscoverForDefaultSettings,
    uint32_t* pdwSettingsVersion,
    int32_t* pfDefaultSettingsAreReturned,
    void* pWinHttpProxySettings);
C, "WINHTTP.dll");
// $ffi->WinHttpReadProxySettings(hSession, pcwszConnectionName, fFallBackToDefaultSettings, fSetAutoDiscoverForDefaultSettings, pdwSettingsVersion, pfDefaultSettingsAreReturned, pWinHttpProxySettings);
// hSession : void*
// pcwszConnectionName : LPCWSTR optional
// fFallBackToDefaultSettings : BOOL
// fSetAutoDiscoverForDefaultSettings : BOOL
// pdwSettingsVersion : DWORD* out
// pfDefaultSettingsAreReturned : BOOL* out
// pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* 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 Winhttp extends StdCallLibrary {
    Winhttp INSTANCE = Native.load("winhttp", Winhttp.class);
    int WinHttpReadProxySettings(
        Pointer hSession,   // void*
        WString pcwszConnectionName,   // LPCWSTR optional
        boolean fFallBackToDefaultSettings,   // BOOL
        boolean fSetAutoDiscoverForDefaultSettings,   // BOOL
        IntByReference pdwSettingsVersion,   // DWORD* out
        IntByReference pfDefaultSettingsAreReturned,   // BOOL* out
        Pointer pWinHttpProxySettings   // WINHTTP_PROXY_SETTINGS* out
    );
}

@[Link("winhttp")]
lib LibWINHTTP
  fun WinHttpReadProxySettings = WinHttpReadProxySettings(
    hSession : Void*,   # void*
    pcwszConnectionName : UInt16*,   # LPCWSTR optional
    fFallBackToDefaultSettings : Int32,   # BOOL
    fSetAutoDiscoverForDefaultSettings : Int32,   # BOOL
    pdwSettingsVersion : UInt32*,   # DWORD* out
    pfDefaultSettingsAreReturned : Int32*,   # BOOL* out
    pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS*   # WINHTTP_PROXY_SETTINGS* 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 WinHttpReadProxySettingsNative = Uint32 Function(Pointer<Void>, Pointer<Utf16>, Int32, Int32, Pointer<Uint32>, Pointer<Int32>, Pointer<Void>);
typedef WinHttpReadProxySettingsDart = int Function(Pointer<Void>, Pointer<Utf16>, int, int, Pointer<Uint32>, Pointer<Int32>, Pointer<Void>);
final WinHttpReadProxySettings = DynamicLibrary.open('WINHTTP.dll')
    .lookupFunction<WinHttpReadProxySettingsNative, WinHttpReadProxySettingsDart>('WinHttpReadProxySettings');
// hSession : void* -> Pointer<Void>
// pcwszConnectionName : LPCWSTR optional -> Pointer<Utf16>
// fFallBackToDefaultSettings : BOOL -> Int32
// fSetAutoDiscoverForDefaultSettings : BOOL -> Int32
// pdwSettingsVersion : DWORD* out -> Pointer<Uint32>
// pfDefaultSettingsAreReturned : BOOL* out -> Pointer<Int32>
// pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WinHttpReadProxySettings(
  hSession: Pointer;   // void*
  pcwszConnectionName: PWideChar;   // LPCWSTR optional
  fFallBackToDefaultSettings: BOOL;   // BOOL
  fSetAutoDiscoverForDefaultSettings: BOOL;   // BOOL
  pdwSettingsVersion: Pointer;   // DWORD* out
  pfDefaultSettingsAreReturned: Pointer;   // BOOL* out
  pWinHttpProxySettings: Pointer   // WINHTTP_PROXY_SETTINGS* out
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpReadProxySettings';

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

foreign import stdcall safe "WinHttpReadProxySettings"
  c_WinHttpReadProxySettings :: Ptr () -> CWString -> CInt -> CInt -> Ptr Word32 -> Ptr CInt -> Ptr () -> IO Word32
-- hSession : void* -> Ptr ()
-- pcwszConnectionName : LPCWSTR optional -> CWString
-- fFallBackToDefaultSettings : BOOL -> CInt
-- fSetAutoDiscoverForDefaultSettings : BOOL -> CInt
-- pdwSettingsVersion : DWORD* out -> Ptr Word32
-- pfDefaultSettingsAreReturned : BOOL* out -> Ptr CInt
-- pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> 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 winhttpreadproxysettings =
  foreign "WinHttpReadProxySettings"
    ((ptr void) @-> (ptr uint16_t) @-> int32_t @-> int32_t @-> (ptr uint32_t) @-> (ptr int32_t) @-> (ptr void) @-> returning uint32_t)
(* hSession : void* -> (ptr void) *)
(* pcwszConnectionName : LPCWSTR optional -> (ptr uint16_t) *)
(* fFallBackToDefaultSettings : BOOL -> int32_t *)
(* fSetAutoDiscoverForDefaultSettings : BOOL -> int32_t *)
(* pdwSettingsVersion : DWORD* out -> (ptr uint32_t) *)
(* pfDefaultSettingsAreReturned : BOOL* out -> (ptr int32_t) *)
(* pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> (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 winhttp (t "WINHTTP.dll"))
(cffi:use-foreign-library winhttp)

(cffi:defcfun ("WinHttpReadProxySettings" win-http-read-proxy-settings :convention :stdcall) :uint32
  (h-session :pointer)   ; void*
  (pcwsz-connection-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (f-fall-back-to-default-settings :int32)   ; BOOL
  (f-set-auto-discover-for-default-settings :int32)   ; BOOL
  (pdw-settings-version :pointer)   ; DWORD* out
  (pf-default-settings-are-returned :pointer)   ; BOOL* out
  (p-win-http-proxy-settings :pointer))   ; WINHTTP_PROXY_SETTINGS* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WinHttpReadProxySettings = Win32::API::More->new('WINHTTP',
    'DWORD WinHttpReadProxySettings(LPVOID hSession, LPCWSTR pcwszConnectionName, BOOL fFallBackToDefaultSettings, BOOL fSetAutoDiscoverForDefaultSettings, LPVOID pdwSettingsVersion, LPVOID pfDefaultSettingsAreReturned, LPVOID pWinHttpProxySettings)');
# my $ret = $WinHttpReadProxySettings->Call($hSession, $pcwszConnectionName, $fFallBackToDefaultSettings, $fSetAutoDiscoverForDefaultSettings, $pdwSettingsVersion, $pfDefaultSettingsAreReturned, $pWinHttpProxySettings);
# hSession : void* -> LPVOID
# pcwszConnectionName : LPCWSTR optional -> LPCWSTR
# fFallBackToDefaultSettings : BOOL -> BOOL
# fSetAutoDiscoverForDefaultSettings : BOOL -> BOOL
# pdwSettingsVersion : DWORD* out -> LPVOID
# pfDefaultSettingsAreReturned : BOOL* out -> LPVOID
# pWinHttpProxySettings : WINHTTP_PROXY_SETTINGS* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

WinHttpReadProxySettings

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目