JetSetDatabaseSizeW

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

INT JetSetDatabaseSizeW(
    JET_SESID sesid,
    WORD* szDatabaseName,
    DWORD cpg,
    DWORD* pcpgReal
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetSetDatabaseSizeW(
    sesid As UIntPtr,   ' JET_SESID
    ByRef szDatabaseName As UShort,   ' WORD*
    cpg As UInteger,   ' DWORD
    <Out> ByRef pcpgReal As UInteger   ' DWORD* out
) As Integer
End Function

' sesid : JET_SESID
' szDatabaseName : WORD*
' cpg : DWORD
' pcpgReal : DWORD* out
Declare PtrSafe Function JetSetDatabaseSizeW Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByRef szDatabaseName As Integer, _
    ByVal cpg As Long, _
    ByRef pcpgReal 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

JetSetDatabaseSizeW = ctypes.windll.esent.JetSetDatabaseSizeW
JetSetDatabaseSizeW.restype = ctypes.c_int
JetSetDatabaseSizeW.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    ctypes.POINTER(ctypes.c_ushort),  # szDatabaseName : WORD*
    wintypes.DWORD,  # cpg : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcpgReal : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetSetDatabaseSizeW = Fiddle::Function.new(
  lib['JetSetDatabaseSizeW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    Fiddle::TYPE_VOIDP,  # szDatabaseName : WORD*
    -Fiddle::TYPE_INT,  # cpg : DWORD
    Fiddle::TYPE_VOIDP,  # pcpgReal : DWORD* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

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

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetSetDatabaseSizeW(UIntPtr sesid, ref ushort szDatabaseName, uint cpg, out uint pcpgReal);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetSetDatabaseSizeW' -Namespace Win32 -PassThru
# $api::JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal)

#uselib "ESENT.dll"
#func global JetSetDatabaseSizeW "JetSetDatabaseSizeW" wptr, wptr, wptr, wptr
; JetSetDatabaseSizeW sesid, varptr(szDatabaseName), cpg, varptr(pcpgReal)   ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; szDatabaseName : WORD* -> "wptr"
; cpg : DWORD -> "wptr"
; pcpgReal : DWORD* out -> "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")
	procJetSetDatabaseSizeW = esent.NewProc("JetSetDatabaseSizeW")
)

// sesid (JET_SESID), szDatabaseName (WORD*), cpg (DWORD), pcpgReal (DWORD* out)
r1, _, err := procJetSetDatabaseSizeW.Call(
	uintptr(sesid),
	uintptr(szDatabaseName),
	uintptr(cpg),
	uintptr(pcpgReal),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetSetDatabaseSizeW(
  sesid: NativeUInt;   // JET_SESID
  szDatabaseName: Pointer;   // WORD*
  cpg: DWORD;   // DWORD
  pcpgReal: Pointer   // DWORD* out
): Integer; stdcall;
  external 'ESENT.dll' name 'JetSetDatabaseSizeW';

result := DllCall("ESENT\JetSetDatabaseSizeW"
    , "UPtr", sesid   ; JET_SESID
    , "Ptr", szDatabaseName   ; WORD*
    , "UInt", cpg   ; DWORD
    , "Ptr", pcpgReal   ; DWORD* out
    , "Int")   ; return: INT

●JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal) = DLL("ESENT.dll", "int JetSetDatabaseSizeW(int, void*, dword, void*)")
# 呼び出し: JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal)
# sesid : JET_SESID -> "int"
# szDatabaseName : WORD* -> "void*"
# cpg : DWORD -> "dword"
# pcpgReal : DWORD* 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)。
# ※-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 JetSetDatabaseSizeW(
    sesid: usize, // JET_SESID
    szDatabaseName: [*c]u16, // WORD*
    cpg: u32, // DWORD
    pcpgReal: [*c]u32 // DWORD* out
) 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 JetSetDatabaseSizeW(
    sesid: uint,  # JET_SESID
    szDatabaseName: ptr uint16,  # WORD*
    cpg: uint32,  # DWORD
    pcpgReal: ptr uint32  # DWORD* out
): int32 {.importc: "JetSetDatabaseSizeW", stdcall, dynlib: "ESENT.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "esent");
extern(Windows)
int JetSetDatabaseSizeW(
    size_t sesid,   // JET_SESID
    ushort* szDatabaseName,   // WORD*
    uint cpg,   // DWORD
    uint* pcpgReal   // DWORD* out
);

ccall((:JetSetDatabaseSizeW, "ESENT.dll"), stdcall, Int32,
      (Csize_t, Ptr{UInt16}, UInt32, Ptr{UInt32}),
      sesid, szDatabaseName, cpg, pcpgReal)
# sesid : JET_SESID -> Csize_t
# szDatabaseName : WORD* -> Ptr{UInt16}
# cpg : DWORD -> UInt32
# pcpgReal : DWORD* out -> Ptr{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 JetSetDatabaseSizeW(
    uintptr_t sesid,
    uint16_t* szDatabaseName,
    uint32_t cpg,
    uint32_t* pcpgReal);
]]
local esent = ffi.load("esent")
-- esent.JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal)
-- sesid : JET_SESID
-- szDatabaseName : WORD*
-- cpg : DWORD
-- pcpgReal : DWORD* 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。
-- 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 JetSetDatabaseSizeW = lib.func('__stdcall', 'JetSetDatabaseSizeW', 'int32_t', ['uintptr_t', 'uint16_t *', 'uint32_t', 'uint32_t *']);
// JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal)
// sesid : JET_SESID -> 'uintptr_t'
// szDatabaseName : WORD* -> 'uint16_t *'
// cpg : DWORD -> 'uint32_t'
// pcpgReal : DWORD* 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("ESENT.dll", {
  JetSetDatabaseSizeW: { parameters: ["usize", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal)
// sesid : JET_SESID -> "usize"
// szDatabaseName : WORD* -> "pointer"
// cpg : DWORD -> "u32"
// pcpgReal : DWORD* out -> "pointer"
// 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 JetSetDatabaseSizeW(
    size_t sesid,
    uint16_t* szDatabaseName,
    uint32_t cpg,
    uint32_t* pcpgReal);
C, "ESENT.dll");
// $ffi->JetSetDatabaseSizeW(sesid, szDatabaseName, cpg, pcpgReal);
// sesid : JET_SESID
// szDatabaseName : WORD*
// cpg : DWORD
// pcpgReal : DWORD* 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 Esent extends StdCallLibrary {
    Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.UNICODE_OPTIONS);
    int JetSetDatabaseSizeW(
        long sesid,   // JET_SESID
        ShortByReference szDatabaseName,   // WORD*
        int cpg,   // DWORD
        IntByReference pcpgReal   // DWORD* out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

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

{$mode objfpc}{$H+}
function JetSetDatabaseSizeW(
  sesid: NativeUInt;   // JET_SESID
  szDatabaseName: Pointer;   // WORD*
  cpg: DWORD;   // DWORD
  pcpgReal: Pointer   // DWORD* out
): Integer; stdcall;
  external 'ESENT.dll' name 'JetSetDatabaseSizeW';

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

foreign import stdcall safe "JetSetDatabaseSizeW"
  c_JetSetDatabaseSizeW :: CUIntPtr -> Ptr Word16 -> Word32 -> Ptr Word32 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- szDatabaseName : WORD* -> Ptr Word16
-- cpg : DWORD -> Word32
-- pcpgReal : DWORD* 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 jetsetdatabasesizew =
  foreign "JetSetDatabaseSizeW"
    (size_t @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* szDatabaseName : WORD* -> (ptr uint16_t) *)
(* cpg : DWORD -> uint32_t *)
(* pcpgReal : DWORD* 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 esent (t "ESENT.dll"))
(cffi:use-foreign-library esent)

(cffi:defcfun ("JetSetDatabaseSizeW" jet-set-database-size-w :convention :stdcall) :int32
  (sesid :uint64)   ; JET_SESID
  (sz-database-name :pointer)   ; WORD*
  (cpg :uint32)   ; DWORD
  (pcpg-real :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JetSetDatabaseSizeW = Win32::API::More->new('ESENT',
    'int JetSetDatabaseSizeW(WPARAM sesid, LPVOID szDatabaseName, DWORD cpg, LPVOID pcpgReal)');
# my $ret = $JetSetDatabaseSizeW->Call($sesid, $szDatabaseName, $cpg, $pcpgReal);
# sesid : JET_SESID -> WPARAM
# szDatabaseName : WORD* -> LPVOID
# cpg : DWORD -> DWORD
# pcpgReal : DWORD* out -> LPVOID
# 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。