JetInit3W

関数

復元情報を指定してESEインスタンスを初期化する。

DLLESENT.dll文字セットUnicode (-W)呼出規約winapi

シグネチャ

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

INT JetInit3W(
    JET_INSTANCE* pinstance,   // optional
    JET_RSTINFO_W* prstInfo,   // optional
    DWORD grbit
);

パラメーター

名前	型	方向
pinstance	JET_INSTANCE*	inoutoptional
prstInfo	JET_RSTINFO_W*	inoptional
grbit	DWORD	in

戻り値の型: INT

各言語での呼び出し定義

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

INT JetInit3W(
    JET_INSTANCE* pinstance,   // optional
    JET_RSTINFO_W* prstInfo,   // optional
    DWORD grbit
);

[DllImport("ESENT.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int JetInit3W(
    IntPtr pinstance,   // JET_INSTANCE* optional, in/out
    IntPtr prstInfo,   // JET_RSTINFO_W* optional
    uint grbit   // DWORD
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetInit3W(
    pinstance As IntPtr,   ' JET_INSTANCE* optional, in/out
    prstInfo As IntPtr,   ' JET_RSTINFO_W* optional
    grbit As UInteger   ' DWORD
) As Integer
End Function

' pinstance : JET_INSTANCE* optional, in/out
' prstInfo : JET_RSTINFO_W* optional
' grbit : DWORD
Declare PtrSafe Function JetInit3W Lib "esent" ( _
    ByVal pinstance As LongPtr, _
    ByVal prstInfo 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

JetInit3W = ctypes.windll.esent.JetInit3W
JetInit3W.restype = ctypes.c_int
JetInit3W.argtypes = [
    ctypes.c_void_p,  # pinstance : JET_INSTANCE* optional, in/out
    ctypes.c_void_p,  # prstInfo : JET_RSTINFO_W* optional
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetInit3W = Fiddle::Function.new(
  lib['JetInit3W'],
  [
    Fiddle::TYPE_VOIDP,  # pinstance : JET_INSTANCE* optional, in/out
    Fiddle::TYPE_VOIDP,  # prstInfo : JET_RSTINFO_W* optional
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetInit3W(
        pinstance: *mut usize,  // JET_INSTANCE* optional, in/out
        prstInfo: *mut JET_RSTINFO_W,  // JET_RSTINFO_W* optional
        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 JetInit3W(IntPtr pinstance, IntPtr prstInfo, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetInit3W' -Namespace Win32 -PassThru
# $api::JetInit3W(pinstance, prstInfo, grbit)

#uselib "ESENT.dll"
#func global JetInit3W "JetInit3W" wptr, wptr, wptr
; JetInit3W pinstance, varptr(prstInfo), grbit   ; 戻り値は stat
; pinstance : JET_INSTANCE* optional, in/out -> "wptr"
; prstInfo : JET_RSTINFO_W* optional -> "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。

出力引数:

#uselib "ESENT.dll"
#cfunc global JetInit3W "JetInit3W" int, var, int
; res = JetInit3W(pinstance, prstInfo, grbit)
; pinstance : JET_INSTANCE* optional, in/out -> "int"
; prstInfo : JET_RSTINFO_W* optional -> "var"
; grbit : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "ESENT.dll"
#cfunc global JetInit3W "JetInit3W" int, sptr, int
; res = JetInit3W(pinstance, varptr(prstInfo), grbit)
; pinstance : JET_INSTANCE* optional, in/out -> "int"
; prstInfo : JET_RSTINFO_W* optional -> "sptr"
; grbit : DWORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; INT JetInit3W(JET_INSTANCE* pinstance, JET_RSTINFO_W* prstInfo, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetInit3W "JetInit3W" int, var, int
; res = JetInit3W(pinstance, prstInfo, grbit)
; pinstance : JET_INSTANCE* optional, in/out -> "int"
; prstInfo : JET_RSTINFO_W* optional -> "var"
; grbit : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; INT JetInit3W(JET_INSTANCE* pinstance, JET_RSTINFO_W* prstInfo, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetInit3W "JetInit3W" int, intptr, int
; res = JetInit3W(pinstance, varptr(prstInfo), grbit)
; pinstance : JET_INSTANCE* optional, in/out -> "int"
; prstInfo : JET_RSTINFO_W* optional -> "intptr"
; grbit : DWORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetInit3W = esent.NewProc("JetInit3W")
)

// pinstance (JET_INSTANCE* optional, in/out), prstInfo (JET_RSTINFO_W* optional), grbit (DWORD)
r1, _, err := procJetInit3W.Call(
	uintptr(pinstance),
	uintptr(prstInfo),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetInit3W(
  pinstance: Pointer;   // JET_INSTANCE* optional, in/out
  prstInfo: Pointer;   // JET_RSTINFO_W* optional
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetInit3W';

result := DllCall("ESENT\JetInit3W"
    , "Ptr", pinstance   ; JET_INSTANCE* optional, in/out
    , "Ptr", prstInfo   ; JET_RSTINFO_W* optional
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetInit3W(pinstance, prstInfo, grbit) = DLL("ESENT.dll", "int JetInit3W(void*, void*, dword)")
# 呼び出し: JetInit3W(pinstance, prstInfo, grbit)
# pinstance : JET_INSTANCE* optional, in/out -> "void*"
# prstInfo : JET_RSTINFO_W* optional -> "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。