JetOpenDatabaseW

// ESENT.dll  (Unicode / -W)
#include <windows.h>

INT JetOpenDatabaseW(
    JET_SESID sesid,
    WORD* szFilename,
    WORD* szConnect,   // optional
    DWORD* pdbid,
    DWORD grbit
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetOpenDatabaseW(
    sesid As UIntPtr,   ' JET_SESID
    ByRef szFilename As UShort,   ' WORD*
    szConnect As IntPtr,   ' WORD* optional
    <Out> ByRef pdbid As UInteger,   ' DWORD* out
    grbit As UInteger   ' DWORD
) As Integer
End Function

' sesid : JET_SESID
' szFilename : WORD*
' szConnect : WORD* optional
' pdbid : DWORD* out
' grbit : DWORD
Declare PtrSafe Function JetOpenDatabaseW Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByRef szFilename As Integer, _
    ByVal szConnect As LongPtr, _
    ByRef pdbid As Long, _
    ByVal grbit As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

JetOpenDatabaseW = ctypes.windll.esent.JetOpenDatabaseW
JetOpenDatabaseW.restype = ctypes.c_int
JetOpenDatabaseW.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    ctypes.POINTER(ctypes.c_ushort),  # szFilename : WORD*
    ctypes.POINTER(ctypes.c_ushort),  # szConnect : WORD* optional
    ctypes.POINTER(wintypes.DWORD),  # pdbid : DWORD* out
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetOpenDatabaseW = Fiddle::Function.new(
  lib['JetOpenDatabaseW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    Fiddle::TYPE_VOIDP,  # szFilename : WORD*
    Fiddle::TYPE_VOIDP,  # szConnect : WORD* optional
    Fiddle::TYPE_VOIDP,  # pdbid : DWORD* out
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetOpenDatabaseW(
        sesid: usize,  // JET_SESID
        szFilename: *mut u16,  // WORD*
        szConnect: *mut u16,  // WORD* optional
        pdbid: *mut u32,  // DWORD* out
        grbit: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetOpenDatabaseW(UIntPtr sesid, ref ushort szFilename, IntPtr szConnect, out uint pdbid, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetOpenDatabaseW' -Namespace Win32 -PassThru
# $api::JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit)

#uselib "ESENT.dll"
#func global JetOpenDatabaseW "JetOpenDatabaseW" wptr, wptr, wptr, wptr, wptr
; JetOpenDatabaseW sesid, varptr(szFilename), varptr(szConnect), varptr(pdbid), grbit   ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; szFilename : WORD* -> "wptr"
; szConnect : WORD* optional -> "wptr"
; pdbid : DWORD* out -> "wptr"
; grbit : DWORD -> "wptr"
; ※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 (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetOpenDatabaseW = esent.NewProc("JetOpenDatabaseW")
)

// sesid (JET_SESID), szFilename (WORD*), szConnect (WORD* optional), pdbid (DWORD* out), grbit (DWORD)
r1, _, err := procJetOpenDatabaseW.Call(
	uintptr(sesid),
	uintptr(szFilename),
	uintptr(szConnect),
	uintptr(pdbid),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetOpenDatabaseW(
  sesid: NativeUInt;   // JET_SESID
  szFilename: Pointer;   // WORD*
  szConnect: Pointer;   // WORD* optional
  pdbid: Pointer;   // DWORD* out
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetOpenDatabaseW';

result := DllCall("ESENT\JetOpenDatabaseW"
    , "UPtr", sesid   ; JET_SESID
    , "Ptr", szFilename   ; WORD*
    , "Ptr", szConnect   ; WORD* optional
    , "Ptr", pdbid   ; DWORD* out
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit) = DLL("ESENT.dll", "int JetOpenDatabaseW(int, void*, void*, void*, dword)")
# 呼び出し: JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit)
# sesid : JET_SESID -> "int"
# szFilename : WORD* -> "void*"
# szConnect : WORD* optional -> "void*"
# pdbid : DWORD* out -> "void*"
# grbit : DWORD -> "dword"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "esent" fn JetOpenDatabaseW(
    sesid: usize, // JET_SESID
    szFilename: [*c]u16, // WORD*
    szConnect: [*c]u16, // WORD* optional
    pdbid: [*c]u32, // DWORD* out
    grbit: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc JetOpenDatabaseW(
    sesid: uint,  # JET_SESID
    szFilename: ptr uint16,  # WORD*
    szConnect: ptr uint16,  # WORD* optional
    pdbid: ptr uint32,  # DWORD* out
    grbit: uint32  # DWORD
): int32 {.importc: "JetOpenDatabaseW", stdcall, dynlib: "ESENT.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "esent");
extern(Windows)
int JetOpenDatabaseW(
    size_t sesid,   // JET_SESID
    ushort* szFilename,   // WORD*
    ushort* szConnect,   // WORD* optional
    uint* pdbid,   // DWORD* out
    uint grbit   // DWORD
);

ccall((:JetOpenDatabaseW, "ESENT.dll"), stdcall, Int32,
      (Csize_t, Ptr{UInt16}, Ptr{UInt16}, Ptr{UInt32}, UInt32),
      sesid, szFilename, szConnect, pdbid, grbit)
# sesid : JET_SESID -> Csize_t
# szFilename : WORD* -> Ptr{UInt16}
# szConnect : WORD* optional -> Ptr{UInt16}
# pdbid : DWORD* out -> Ptr{UInt32}
# grbit : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t JetOpenDatabaseW(
    uintptr_t sesid,
    uint16_t* szFilename,
    uint16_t* szConnect,
    uint32_t* pdbid,
    uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit)
-- sesid : JET_SESID
-- szFilename : WORD*
-- szConnect : WORD* optional
-- pdbid : DWORD* out
-- grbit : DWORD
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('ESENT.dll');
const JetOpenDatabaseW = lib.func('__stdcall', 'JetOpenDatabaseW', 'int32_t', ['uintptr_t', 'uint16_t *', 'uint16_t *', 'uint32_t *', 'uint32_t']);
// JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit)
// sesid : JET_SESID -> 'uintptr_t'
// szFilename : WORD* -> 'uint16_t *'
// szConnect : WORD* optional -> 'uint16_t *'
// pdbid : DWORD* out -> 'uint32_t *'
// grbit : DWORD -> '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("ESENT.dll", {
  JetOpenDatabaseW: { parameters: ["usize", "pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit)
// sesid : JET_SESID -> "usize"
// szFilename : WORD* -> "pointer"
// szConnect : WORD* optional -> "pointer"
// pdbid : DWORD* out -> "pointer"
// grbit : DWORD -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 JetOpenDatabaseW(
    size_t sesid,
    uint16_t* szFilename,
    uint16_t* szConnect,
    uint32_t* pdbid,
    uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetOpenDatabaseW(sesid, szFilename, szConnect, pdbid, grbit);
// sesid : JET_SESID
// szFilename : WORD*
// szConnect : WORD* optional
// pdbid : DWORD* out
// grbit : DWORD
// 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 Esent extends StdCallLibrary {
    Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.UNICODE_OPTIONS);
    int JetOpenDatabaseW(
        long sesid,   // JET_SESID
        ShortByReference szFilename,   // WORD*
        ShortByReference szConnect,   // WORD* optional
        IntByReference pdbid,   // DWORD* out
        int grbit   // DWORD
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("esent")]
lib LibESENT
  fun JetOpenDatabaseW = JetOpenDatabaseW(
    sesid : LibC::SizeT,   # JET_SESID
    szFilename : UInt16*,   # WORD*
    szConnect : UInt16*,   # WORD* optional
    pdbid : UInt32*,   # DWORD* out
    grbit : UInt32   # DWORD
  ) : 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 JetOpenDatabaseWNative = Int32 Function(UintPtr, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint32>, Uint32);
typedef JetOpenDatabaseWDart = int Function(int, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint32>, int);
final JetOpenDatabaseW = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetOpenDatabaseWNative, JetOpenDatabaseWDart>('JetOpenDatabaseW');
// sesid : JET_SESID -> UintPtr
// szFilename : WORD* -> Pointer<Uint16>
// szConnect : WORD* optional -> Pointer<Uint16>
// pdbid : DWORD* out -> Pointer<Uint32>
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetOpenDatabaseW(
  sesid: NativeUInt;   // JET_SESID
  szFilename: Pointer;   // WORD*
  szConnect: Pointer;   // WORD* optional
  pdbid: Pointer;   // DWORD* out
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetOpenDatabaseW';

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

foreign import stdcall safe "JetOpenDatabaseW"
  c_JetOpenDatabaseW :: CUIntPtr -> Ptr Word16 -> Ptr Word16 -> Ptr Word32 -> Word32 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- szFilename : WORD* -> Ptr Word16
-- szConnect : WORD* optional -> Ptr Word16
-- pdbid : DWORD* out -> Ptr Word32
-- grbit : DWORD -> 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 jetopendatabasew =
  foreign "JetOpenDatabaseW"
    (size_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* szFilename : WORD* -> (ptr uint16_t) *)
(* szConnect : WORD* optional -> (ptr uint16_t) *)
(* pdbid : DWORD* out -> (ptr uint32_t) *)
(* grbit : DWORD -> 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 esent (t "ESENT.dll"))
(cffi:use-foreign-library esent)

(cffi:defcfun ("JetOpenDatabaseW" jet-open-database-w :convention :stdcall) :int32
  (sesid :uint64)   ; JET_SESID
  (sz-filename :pointer)   ; WORD*
  (sz-connect :pointer)   ; WORD* optional
  (pdbid :pointer)   ; DWORD* out
  (grbit :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetOpenDatabaseW = Win32::API::More->new('ESENT',
    'int JetOpenDatabaseW(WPARAM sesid, LPVOID szFilename, LPVOID szConnect, LPVOID pdbid, DWORD grbit)');
# my $ret = $JetOpenDatabaseW->Call($sesid, $szFilename, $szConnect, $pdbid, $grbit);
# sesid : JET_SESID -> WPARAM
# szFilename : WORD* -> LPVOID
# szConnect : WORD* optional -> LPVOID
# pdbid : DWORD* out -> LPVOID
# grbit : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。