SaslGetContextOption

// SECUR32.dll
#include <windows.h>

HRESULT SaslGetContextOption(
    SecHandle* ContextHandle,
    DWORD Option,
    void* Value,
    DWORD Size,
    DWORD* Needed   // optional
);

<DllImport("SECUR32.dll", ExactSpelling:=True)>
Public Shared Function SaslGetContextOption(
    ContextHandle As IntPtr,   ' SecHandle*
    [Option] As UInteger,   ' DWORD
    Value As IntPtr,   ' void* out
    Size As UInteger,   ' DWORD
    Needed As IntPtr   ' DWORD* optional, out
) As Integer
End Function

' ContextHandle : SecHandle*
' Option : DWORD
' Value : void* out
' Size : DWORD
' Needed : DWORD* optional, out
Declare PtrSafe Function SaslGetContextOption Lib "secur32" ( _
    ByVal ContextHandle As LongPtr, _
    ByVal Option As Long, _
    ByVal Value As LongPtr, _
    ByVal Size As Long, _
    ByVal Needed 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

SaslGetContextOption = ctypes.windll.secur32.SaslGetContextOption
SaslGetContextOption.restype = ctypes.c_int
SaslGetContextOption.argtypes = [
    ctypes.c_void_p,  # ContextHandle : SecHandle*
    wintypes.DWORD,  # Option : DWORD
    ctypes.POINTER(None),  # Value : void* out
    wintypes.DWORD,  # Size : DWORD
    ctypes.POINTER(wintypes.DWORD),  # Needed : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
SaslGetContextOption = Fiddle::Function.new(
  lib['SaslGetContextOption'],
  [
    Fiddle::TYPE_VOIDP,  # ContextHandle : SecHandle*
    -Fiddle::TYPE_INT,  # Option : DWORD
    Fiddle::TYPE_VOIDP,  # Value : void* out
    -Fiddle::TYPE_INT,  # Size : DWORD
    Fiddle::TYPE_VOIDP,  # Needed : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "secur32")]
extern "system" {
    fn SaslGetContextOption(
        ContextHandle: *mut SecHandle,  // SecHandle*
        Option: u32,  // DWORD
        Value: *mut (),  // void* out
        Size: u32,  // DWORD
        Needed: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll")]
public static extern int SaslGetContextOption(IntPtr ContextHandle, uint Option, IntPtr Value, uint Size, IntPtr Needed);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_SaslGetContextOption' -Namespace Win32 -PassThru
# $api::SaslGetContextOption(ContextHandle, Option, Value, Size, Needed)

#uselib "SECUR32.dll"
#func global SaslGetContextOption "SaslGetContextOption" sptr, sptr, sptr, sptr, sptr
; SaslGetContextOption varptr(ContextHandle), Option, Value, Size, varptr(Needed)   ; 戻り値は stat
; ContextHandle : SecHandle* -> "sptr"
; Option : DWORD -> "sptr"
; Value : void* out -> "sptr"
; Size : DWORD -> "sptr"
; Needed : DWORD* optional, 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 (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procSaslGetContextOption = secur32.NewProc("SaslGetContextOption")
)

// ContextHandle (SecHandle*), Option (DWORD), Value (void* out), Size (DWORD), Needed (DWORD* optional, out)
r1, _, err := procSaslGetContextOption.Call(
	uintptr(ContextHandle),
	uintptr(Option),
	uintptr(Value),
	uintptr(Size),
	uintptr(Needed),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SaslGetContextOption(
  ContextHandle: Pointer;   // SecHandle*
  Option: DWORD;   // DWORD
  Value: Pointer;   // void* out
  Size: DWORD;   // DWORD
  Needed: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'SaslGetContextOption';

result := DllCall("SECUR32\SaslGetContextOption"
    , "Ptr", ContextHandle   ; SecHandle*
    , "UInt", Option   ; DWORD
    , "Ptr", Value   ; void* out
    , "UInt", Size   ; DWORD
    , "Ptr", Needed   ; DWORD* optional, out
    , "Int")   ; return: HRESULT

●SaslGetContextOption(ContextHandle, Option, Value, Size, Needed) = DLL("SECUR32.dll", "int SaslGetContextOption(void*, dword, void*, dword, void*)")
# 呼び出し: SaslGetContextOption(ContextHandle, Option, Value, Size, Needed)
# ContextHandle : SecHandle* -> "void*"
# Option : DWORD -> "dword"
# Value : void* out -> "void*"
# Size : DWORD -> "dword"
# Needed : DWORD* optional, 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 "secur32" fn SaslGetContextOption(
    ContextHandle: [*c]SecHandle, // SecHandle*
    Option: u32, // DWORD
    Value: ?*anyopaque, // void* out
    Size: u32, // DWORD
    Needed: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc SaslGetContextOption(
    ContextHandle: ptr SecHandle,  # SecHandle*
    Option: uint32,  # DWORD
    Value: pointer,  # void* out
    Size: uint32,  # DWORD
    Needed: ptr uint32  # DWORD* optional, out
): int32 {.importc: "SaslGetContextOption", stdcall, dynlib: "SECUR32.dll".}

pragma(lib, "secur32");
extern(Windows)
int SaslGetContextOption(
    SecHandle* ContextHandle,   // SecHandle*
    uint Option,   // DWORD
    void* Value,   // void* out
    uint Size,   // DWORD
    uint* Needed   // DWORD* optional, out
);

ccall((:SaslGetContextOption, "SECUR32.dll"), stdcall, Int32,
      (Ptr{SecHandle}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      ContextHandle, Option, Value, Size, Needed)
# ContextHandle : SecHandle* -> Ptr{SecHandle}
# Option : DWORD -> UInt32
# Value : void* out -> Ptr{Cvoid}
# Size : DWORD -> UInt32
# Needed : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SaslGetContextOption(
    void* ContextHandle,
    uint32_t Option,
    void* Value,
    uint32_t Size,
    uint32_t* Needed);
]]
local secur32 = ffi.load("secur32")
-- secur32.SaslGetContextOption(ContextHandle, Option, Value, Size, Needed)
-- ContextHandle : SecHandle*
-- Option : DWORD
-- Value : void* out
-- Size : DWORD
-- Needed : DWORD* optional, 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('SECUR32.dll');
const SaslGetContextOption = lib.func('__stdcall', 'SaslGetContextOption', 'int32_t', ['void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// SaslGetContextOption(ContextHandle, Option, Value, Size, Needed)
// ContextHandle : SecHandle* -> 'void *'
// Option : DWORD -> 'uint32_t'
// Value : void* out -> 'void *'
// Size : DWORD -> 'uint32_t'
// Needed : DWORD* optional, out -> 'uint32_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("SECUR32.dll", {
  SaslGetContextOption: { parameters: ["pointer", "u32", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SaslGetContextOption(ContextHandle, Option, Value, Size, Needed)
// ContextHandle : SecHandle* -> "pointer"
// Option : DWORD -> "u32"
// Value : void* out -> "pointer"
// Size : DWORD -> "u32"
// Needed : DWORD* optional, 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 SaslGetContextOption(
    void* ContextHandle,
    uint32_t Option,
    void* Value,
    uint32_t Size,
    uint32_t* Needed);
C, "SECUR32.dll");
// $ffi->SaslGetContextOption(ContextHandle, Option, Value, Size, Needed);
// ContextHandle : SecHandle*
// Option : DWORD
// Value : void* out
// Size : DWORD
// Needed : DWORD* optional, 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 Secur32 extends StdCallLibrary {
    Secur32 INSTANCE = Native.load("secur32", Secur32.class);
    int SaslGetContextOption(
        Pointer ContextHandle,   // SecHandle*
        int Option,   // DWORD
        Pointer Value,   // void* out
        int Size,   // DWORD
        IntByReference Needed   // DWORD* optional, out
    );
}

@[Link("secur32")]
lib LibSECUR32
  fun SaslGetContextOption = SaslGetContextOption(
    ContextHandle : SecHandle*,   # SecHandle*
    Option : UInt32,   # DWORD
    Value : Void*,   # void* out
    Size : UInt32,   # DWORD
    Needed : UInt32*   # DWORD* optional, 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 SaslGetContextOptionNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef SaslGetContextOptionDart = int Function(Pointer<Void>, int, Pointer<Void>, int, Pointer<Uint32>);
final SaslGetContextOption = DynamicLibrary.open('SECUR32.dll')
    .lookupFunction<SaslGetContextOptionNative, SaslGetContextOptionDart>('SaslGetContextOption');
// ContextHandle : SecHandle* -> Pointer<Void>
// Option : DWORD -> Uint32
// Value : void* out -> Pointer<Void>
// Size : DWORD -> Uint32
// Needed : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SaslGetContextOption(
  ContextHandle: Pointer;   // SecHandle*
  Option: DWORD;   // DWORD
  Value: Pointer;   // void* out
  Size: DWORD;   // DWORD
  Needed: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'SaslGetContextOption';

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

foreign import stdcall safe "SaslGetContextOption"
  c_SaslGetContextOption :: Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO Int32
-- ContextHandle : SecHandle* -> Ptr ()
-- Option : DWORD -> Word32
-- Value : void* out -> Ptr ()
-- Size : DWORD -> Word32
-- Needed : DWORD* optional, out -> Ptr Word32
-- 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 saslgetcontextoption =
  foreign "SaslGetContextOption"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* ContextHandle : SecHandle* -> (ptr void) *)
(* Option : DWORD -> uint32_t *)
(* Value : void* out -> (ptr void) *)
(* Size : DWORD -> uint32_t *)
(* Needed : DWORD* optional, out -> (ptr uint32_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 secur32 (t "SECUR32.dll"))
(cffi:use-foreign-library secur32)

(cffi:defcfun ("SaslGetContextOption" sasl-get-context-option :convention :stdcall) :int32
  (context-handle :pointer)   ; SecHandle*
  (option :uint32)   ; DWORD
  (value :pointer)   ; void* out
  (size :uint32)   ; DWORD
  (needed :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SaslGetContextOption = Win32::API::More->new('SECUR32',
    'int SaslGetContextOption(LPVOID ContextHandle, DWORD Option, LPVOID Value, DWORD Size, LPVOID Needed)');
# my $ret = $SaslGetContextOption->Call($ContextHandle, $Option, $Value, $Size, $Needed);
# ContextHandle : SecHandle* -> LPVOID
# Option : DWORD -> DWORD
# Value : void* out -> LPVOID
# Size : DWORD -> DWORD
# Needed : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。