SQLGetConnectOptionA

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLGetConnectOptionA(
    void* hdbc,
    WORD fOption,
    void* pvParam
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLGetConnectOptionA(
    hdbc As IntPtr,   ' void* in/out
    fOption As UShort,   ' WORD
    pvParam As IntPtr   ' void* in/out
) As Short
End Function

' hdbc : void* in/out
' fOption : WORD
' pvParam : void* in/out
Declare PtrSafe Function SQLGetConnectOptionA Lib "odbc32" ( _
    ByVal hdbc As LongPtr, _
    ByVal fOption As Integer, _
    ByVal pvParam As LongPtr) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLGetConnectOptionA = ctypes.windll.odbc32.SQLGetConnectOptionA
SQLGetConnectOptionA.restype = ctypes.c_short
SQLGetConnectOptionA.argtypes = [
    ctypes.POINTER(None),  # hdbc : void* in/out
    ctypes.c_ushort,  # fOption : WORD
    ctypes.POINTER(None),  # pvParam : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLGetConnectOptionA = Fiddle::Function.new(
  lib['SQLGetConnectOptionA'],
  [
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    -Fiddle::TYPE_SHORT,  # fOption : WORD
    Fiddle::TYPE_VOIDP,  # pvParam : void* in/out
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLGetConnectOptionA(
        hdbc: *mut (),  // void* in/out
        fOption: u16,  // WORD
        pvParam: *mut ()  // void* in/out
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLGetConnectOptionA(IntPtr hdbc, ushort fOption, IntPtr pvParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLGetConnectOptionA' -Namespace Win32 -PassThru
# $api::SQLGetConnectOptionA(hdbc, fOption, pvParam)

#uselib "ODBC32.dll"
#func global SQLGetConnectOptionA "SQLGetConnectOptionA" sptr, sptr, sptr
; SQLGetConnectOptionA hdbc, fOption, pvParam   ; 戻り値は stat
; hdbc : void* in/out -> "sptr"
; fOption : WORD -> "sptr"
; pvParam : void* in/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。

#uselib "ODBC32.dll"
#cfunc global SQLGetConnectOptionA "SQLGetConnectOptionA" sptr, int, sptr
; res = SQLGetConnectOptionA(hdbc, fOption, pvParam)
; hdbc : void* in/out -> "sptr"
; fOption : WORD -> "int"
; pvParam : void* in/out -> "sptr"

; SHORT SQLGetConnectOptionA(void* hdbc, WORD fOption, void* pvParam)
#uselib "ODBC32.dll"
#cfunc global SQLGetConnectOptionA "SQLGetConnectOptionA" intptr, int, intptr
; res = SQLGetConnectOptionA(hdbc, fOption, pvParam)
; hdbc : void* in/out -> "intptr"
; fOption : WORD -> "int"
; pvParam : void* in/out -> "intptr"

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLGetConnectOptionA = odbc32.NewProc("SQLGetConnectOptionA")
)

// hdbc (void* in/out), fOption (WORD), pvParam (void* in/out)
r1, _, err := procSQLGetConnectOptionA.Call(
	uintptr(hdbc),
	uintptr(fOption),
	uintptr(pvParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLGetConnectOptionA(
  hdbc: Pointer;   // void* in/out
  fOption: Word;   // WORD
  pvParam: Pointer   // void* in/out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLGetConnectOptionA';

result := DllCall("ODBC32\SQLGetConnectOptionA"
    , "Ptr", hdbc   ; void* in/out
    , "UShort", fOption   ; WORD
    , "Ptr", pvParam   ; void* in/out
    , "Short")   ; return: SHORT

●SQLGetConnectOptionA(hdbc, fOption, pvParam) = DLL("ODBC32.dll", "int SQLGetConnectOptionA(void*, int, void*)")
# 呼び出し: SQLGetConnectOptionA(hdbc, fOption, pvParam)
# hdbc : void* in/out -> "void*"
# fOption : WORD -> "int"
# pvParam : void* in/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 "odbc32" fn SQLGetConnectOptionA(
    hdbc: ?*anyopaque, // void* in/out
    fOption: u16, // WORD
    pvParam: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) i16;

proc SQLGetConnectOptionA(
    hdbc: pointer,  # void* in/out
    fOption: uint16,  # WORD
    pvParam: pointer  # void* in/out
): int16 {.importc: "SQLGetConnectOptionA", stdcall, dynlib: "ODBC32.dll".}

pragma(lib, "odbc32");
extern(Windows)
short SQLGetConnectOptionA(
    void* hdbc,   // void* in/out
    ushort fOption,   // WORD
    void* pvParam   // void* in/out
);

ccall((:SQLGetConnectOptionA, "ODBC32.dll"), stdcall, Int16,
      (Ptr{Cvoid}, UInt16, Ptr{Cvoid}),
      hdbc, fOption, pvParam)
# hdbc : void* in/out -> Ptr{Cvoid}
# fOption : WORD -> UInt16
# pvParam : void* in/out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int16_t SQLGetConnectOptionA(
    void* hdbc,
    uint16_t fOption,
    void* pvParam);
]]
local odbc32 = ffi.load("odbc32")
-- odbc32.SQLGetConnectOptionA(hdbc, fOption, pvParam)
-- hdbc : void* in/out
-- fOption : WORD
-- pvParam : void* in/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('ODBC32.dll');
const SQLGetConnectOptionA = lib.func('__stdcall', 'SQLGetConnectOptionA', 'int16_t', ['void *', 'uint16_t', 'void *']);
// SQLGetConnectOptionA(hdbc, fOption, pvParam)
// hdbc : void* in/out -> 'void *'
// fOption : WORD -> 'uint16_t'
// pvParam : void* in/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("ODBC32.dll", {
  SQLGetConnectOptionA: { parameters: ["pointer", "u16", "pointer"], result: "i16" },
});
// lib.symbols.SQLGetConnectOptionA(hdbc, fOption, pvParam)
// hdbc : void* in/out -> "pointer"
// fOption : WORD -> "u16"
// pvParam : void* in/out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int16_t SQLGetConnectOptionA(
    void* hdbc,
    uint16_t fOption,
    void* pvParam);
C, "ODBC32.dll");
// $ffi->SQLGetConnectOptionA(hdbc, fOption, pvParam);
// hdbc : void* in/out
// fOption : WORD
// pvParam : void* in/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 Odbc32 extends StdCallLibrary {
    Odbc32 INSTANCE = Native.load("odbc32", Odbc32.class, W32APIOptions.ASCII_OPTIONS);
    short SQLGetConnectOptionA(
        Pointer hdbc,   // void* in/out
        short fOption,   // WORD
        Pointer pvParam   // void* in/out
    );
}

@[Link("odbc32")]
lib LibODBC32
  fun SQLGetConnectOptionA = SQLGetConnectOptionA(
    hdbc : Void*,   # void* in/out
    fOption : UInt16,   # WORD
    pvParam : Void*   # void* in/out
  ) : Int16
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 SQLGetConnectOptionANative = Int16 Function(Pointer<Void>, Uint16, Pointer<Void>);
typedef SQLGetConnectOptionADart = int Function(Pointer<Void>, int, Pointer<Void>);
final SQLGetConnectOptionA = DynamicLibrary.open('ODBC32.dll')
    .lookupFunction<SQLGetConnectOptionANative, SQLGetConnectOptionADart>('SQLGetConnectOptionA');
// hdbc : void* in/out -> Pointer<Void>
// fOption : WORD -> Uint16
// pvParam : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SQLGetConnectOptionA(
  hdbc: Pointer;   // void* in/out
  fOption: Word;   // WORD
  pvParam: Pointer   // void* in/out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLGetConnectOptionA';

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

foreign import stdcall safe "SQLGetConnectOptionA"
  c_SQLGetConnectOptionA :: Ptr () -> Word16 -> Ptr () -> IO Int16
-- hdbc : void* in/out -> Ptr ()
-- fOption : WORD -> Word16
-- pvParam : void* in/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 sqlgetconnectoptiona =
  foreign "SQLGetConnectOptionA"
    ((ptr void) @-> uint16_t @-> (ptr void) @-> returning int16_t)
(* hdbc : void* in/out -> (ptr void) *)
(* fOption : WORD -> uint16_t *)
(* pvParam : void* in/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 odbc32 (t "ODBC32.dll"))
(cffi:use-foreign-library odbc32)

(cffi:defcfun ("SQLGetConnectOptionA" sqlget-connect-option-a :convention :stdcall) :int16
  (hdbc :pointer)   ; void* in/out
  (f-option :uint16)   ; WORD
  (pv-param :pointer))   ; void* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SQLGetConnectOptionA = Win32::API::More->new('ODBC32',
    'short SQLGetConnectOptionA(LPVOID hdbc, WORD fOption, LPVOID pvParam)');
# my $ret = $SQLGetConnectOptionA->Call($hdbc, $fOption, $pvParam);
# hdbc : void* in/out -> LPVOID
# fOption : WORD -> WORD
# pvParam : void* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。