JetOSSnapshotFreezeW

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

INT JetOSSnapshotFreezeW(
    JET_OSSNAPID snapId,
    DWORD* pcInstanceInfo,
    JET_INSTANCE_INFO_W** paInstanceInfo,
    DWORD grbit
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetOSSnapshotFreezeW(
    snapId As UIntPtr,   ' JET_OSSNAPID
    <Out> ByRef pcInstanceInfo As UInteger,   ' DWORD* out
    paInstanceInfo As IntPtr,   ' JET_INSTANCE_INFO_W** out
    grbit As UInteger   ' DWORD
) As Integer
End Function

' snapId : JET_OSSNAPID
' pcInstanceInfo : DWORD* out
' paInstanceInfo : JET_INSTANCE_INFO_W** out
' grbit : DWORD
Declare PtrSafe Function JetOSSnapshotFreezeW Lib "esent" ( _
    ByVal snapId As LongPtr, _
    ByRef pcInstanceInfo As Long, _
    ByVal paInstanceInfo As LongPtr, _
    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

JetOSSnapshotFreezeW = ctypes.windll.esent.JetOSSnapshotFreezeW
JetOSSnapshotFreezeW.restype = ctypes.c_int
JetOSSnapshotFreezeW.argtypes = [
    ctypes.c_size_t,  # snapId : JET_OSSNAPID
    ctypes.POINTER(wintypes.DWORD),  # pcInstanceInfo : DWORD* out
    ctypes.c_void_p,  # paInstanceInfo : JET_INSTANCE_INFO_W** out
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetOSSnapshotFreezeW = Fiddle::Function.new(
  lib['JetOSSnapshotFreezeW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # snapId : JET_OSSNAPID
    Fiddle::TYPE_VOIDP,  # pcInstanceInfo : DWORD* out
    Fiddle::TYPE_VOIDP,  # paInstanceInfo : JET_INSTANCE_INFO_W** out
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetOSSnapshotFreezeW(
        snapId: usize,  // JET_OSSNAPID
        pcInstanceInfo: *mut u32,  // DWORD* out
        paInstanceInfo: *mut *mut JET_INSTANCE_INFO_W,  // JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW(UIntPtr snapId, out uint pcInstanceInfo, IntPtr paInstanceInfo, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetOSSnapshotFreezeW' -Namespace Win32 -PassThru
# $api::JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit)

#uselib "ESENT.dll"
#func global JetOSSnapshotFreezeW "JetOSSnapshotFreezeW" wptr, wptr, wptr, wptr
; JetOSSnapshotFreezeW snapId, varptr(pcInstanceInfo), varptr(paInstanceInfo), grbit   ; 戻り値は stat
; snapId : JET_OSSNAPID -> "wptr"
; pcInstanceInfo : DWORD* out -> "wptr"
; paInstanceInfo : JET_INSTANCE_INFO_W** 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")
	procJetOSSnapshotFreezeW = esent.NewProc("JetOSSnapshotFreezeW")
)

// snapId (JET_OSSNAPID), pcInstanceInfo (DWORD* out), paInstanceInfo (JET_INSTANCE_INFO_W** out), grbit (DWORD)
r1, _, err := procJetOSSnapshotFreezeW.Call(
	uintptr(snapId),
	uintptr(pcInstanceInfo),
	uintptr(paInstanceInfo),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetOSSnapshotFreezeW(
  snapId: NativeUInt;   // JET_OSSNAPID
  pcInstanceInfo: Pointer;   // DWORD* out
  paInstanceInfo: Pointer;   // JET_INSTANCE_INFO_W** out
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetOSSnapshotFreezeW';

result := DllCall("ESENT\JetOSSnapshotFreezeW"
    , "UPtr", snapId   ; JET_OSSNAPID
    , "Ptr", pcInstanceInfo   ; DWORD* out
    , "Ptr", paInstanceInfo   ; JET_INSTANCE_INFO_W** out
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit) = DLL("ESENT.dll", "int JetOSSnapshotFreezeW(int, void*, void*, dword)")
# 呼び出し: JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit)
# snapId : JET_OSSNAPID -> "int"
# pcInstanceInfo : DWORD* out -> "void*"
# paInstanceInfo : JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW(
    snapId: usize, // JET_OSSNAPID
    pcInstanceInfo: [*c]u32, // DWORD* out
    paInstanceInfo: [*c][*c]JET_INSTANCE_INFO_W, // JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW(
    snapId: uint,  # JET_OSSNAPID
    pcInstanceInfo: ptr uint32,  # DWORD* out
    paInstanceInfo: ptr JET_INSTANCE_INFO_W,  # JET_INSTANCE_INFO_W** out
    grbit: uint32  # DWORD
): int32 {.importc: "JetOSSnapshotFreezeW", stdcall, dynlib: "ESENT.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "esent");
extern(Windows)
int JetOSSnapshotFreezeW(
    size_t snapId,   // JET_OSSNAPID
    uint* pcInstanceInfo,   // DWORD* out
    JET_INSTANCE_INFO_W** paInstanceInfo,   // JET_INSTANCE_INFO_W** out
    uint grbit   // DWORD
);

ccall((:JetOSSnapshotFreezeW, "ESENT.dll"), stdcall, Int32,
      (Csize_t, Ptr{UInt32}, Ptr{JET_INSTANCE_INFO_W}, UInt32),
      snapId, pcInstanceInfo, paInstanceInfo, grbit)
# snapId : JET_OSSNAPID -> Csize_t
# pcInstanceInfo : DWORD* out -> Ptr{UInt32}
# paInstanceInfo : JET_INSTANCE_INFO_W** out -> Ptr{JET_INSTANCE_INFO_W}
# 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 JetOSSnapshotFreezeW(
    uintptr_t snapId,
    uint32_t* pcInstanceInfo,
    void* paInstanceInfo,
    uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit)
-- snapId : JET_OSSNAPID
-- pcInstanceInfo : DWORD* out
-- paInstanceInfo : JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW = lib.func('__stdcall', 'JetOSSnapshotFreezeW', 'int32_t', ['uintptr_t', 'uint32_t *', 'void *', 'uint32_t']);
// JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit)
// snapId : JET_OSSNAPID -> 'uintptr_t'
// pcInstanceInfo : DWORD* out -> 'uint32_t *'
// paInstanceInfo : JET_INSTANCE_INFO_W** out -> 'void *'
// 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", {
  JetOSSnapshotFreezeW: { parameters: ["usize", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit)
// snapId : JET_OSSNAPID -> "usize"
// pcInstanceInfo : DWORD* out -> "pointer"
// paInstanceInfo : JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW(
    size_t snapId,
    uint32_t* pcInstanceInfo,
    void* paInstanceInfo,
    uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetOSSnapshotFreezeW(snapId, pcInstanceInfo, paInstanceInfo, grbit);
// snapId : JET_OSSNAPID
// pcInstanceInfo : DWORD* out
// paInstanceInfo : JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW(
        long snapId,   // JET_OSSNAPID
        IntByReference pcInstanceInfo,   // DWORD* out
        Pointer paInstanceInfo,   // JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeW = JetOSSnapshotFreezeW(
    snapId : LibC::SizeT,   # JET_OSSNAPID
    pcInstanceInfo : UInt32*,   # DWORD* out
    paInstanceInfo : JET_INSTANCE_INFO_W**,   # JET_INSTANCE_INFO_W** 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 JetOSSnapshotFreezeWNative = Int32 Function(UintPtr, Pointer<Uint32>, Pointer<Void>, Uint32);
typedef JetOSSnapshotFreezeWDart = int Function(int, Pointer<Uint32>, Pointer<Void>, int);
final JetOSSnapshotFreezeW = DynamicLibrary.open('ESENT.dll')
    .lookupFunction<JetOSSnapshotFreezeWNative, JetOSSnapshotFreezeWDart>('JetOSSnapshotFreezeW');
// snapId : JET_OSSNAPID -> UintPtr
// pcInstanceInfo : DWORD* out -> Pointer<Uint32>
// paInstanceInfo : JET_INSTANCE_INFO_W** out -> Pointer<Void>
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JetOSSnapshotFreezeW(
  snapId: NativeUInt;   // JET_OSSNAPID
  pcInstanceInfo: Pointer;   // DWORD* out
  paInstanceInfo: Pointer;   // JET_INSTANCE_INFO_W** out
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetOSSnapshotFreezeW';

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

foreign import stdcall safe "JetOSSnapshotFreezeW"
  c_JetOSSnapshotFreezeW :: CUIntPtr -> Ptr Word32 -> Ptr () -> Word32 -> IO Int32
-- snapId : JET_OSSNAPID -> CUIntPtr
-- pcInstanceInfo : DWORD* out -> Ptr Word32
-- paInstanceInfo : JET_INSTANCE_INFO_W** out -> Ptr ()
-- 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 jetossnapshotfreezew =
  foreign "JetOSSnapshotFreezeW"
    (size_t @-> (ptr uint32_t) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* snapId : JET_OSSNAPID -> size_t *)
(* pcInstanceInfo : DWORD* out -> (ptr uint32_t) *)
(* paInstanceInfo : JET_INSTANCE_INFO_W** out -> (ptr void) *)
(* 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 ("JetOSSnapshotFreezeW" jet-ossnapshot-freeze-w :convention :stdcall) :int32
  (snap-id :uint64)   ; JET_OSSNAPID
  (pc-instance-info :pointer)   ; DWORD* out
  (pa-instance-info :pointer)   ; JET_INSTANCE_INFO_W** 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 $JetOSSnapshotFreezeW = Win32::API::More->new('ESENT',
    'int JetOSSnapshotFreezeW(WPARAM snapId, LPVOID pcInstanceInfo, LPVOID paInstanceInfo, DWORD grbit)');
# my $ret = $JetOSSnapshotFreezeW->Call($snapId, $pcInstanceInfo, $paInstanceInfo, $grbit);
# snapId : JET_OSSNAPID -> WPARAM
# pcInstanceInfo : DWORD* out -> LPVOID
# paInstanceInfo : JET_INSTANCE_INFO_W** 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。