JetTerm

関数

ESEデータベースインスタンスを終了し解放する。

DLLESENT.dll呼出規約winapi

シグネチャ

// ESENT.dll
#include <windows.h>

INT JetTerm(
    JET_INSTANCE instance
);

パラメーター

名前	型	方向
instance	JET_INSTANCE	in

戻り値の型: INT

各言語での呼び出し定義

// ESENT.dll
#include <windows.h>

INT JetTerm(
    JET_INSTANCE instance
);

[DllImport("ESENT.dll", ExactSpelling = true)]
static extern int JetTerm(
    UIntPtr instance   // JET_INSTANCE
);

<DllImport("ESENT.dll", ExactSpelling:=True)>
Public Shared Function JetTerm(
    instance As UIntPtr   ' JET_INSTANCE
) As Integer
End Function

' instance : JET_INSTANCE
Declare PtrSafe Function JetTerm Lib "esent" ( _
    ByVal instance As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

JetTerm = ctypes.windll.esent.JetTerm
JetTerm.restype = ctypes.c_int
JetTerm.argtypes = [
    ctypes.c_size_t,  # instance : JET_INSTANCE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetTerm = Fiddle::Function.new(
  lib['JetTerm'],
  [
    Fiddle::TYPE_UINTPTR_T,  # instance : JET_INSTANCE
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetTerm(
        instance: usize  // JET_INSTANCE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll")]
public static extern int JetTerm(UIntPtr instance);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetTerm' -Namespace Win32 -PassThru
# $api::JetTerm(instance)

#uselib "ESENT.dll"
#func global JetTerm "JetTerm" sptr
; JetTerm instance   ; 戻り値は stat
; instance : JET_INSTANCE -> "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 "ESENT.dll"
#cfunc global JetTerm "JetTerm" sptr
; res = JetTerm(instance)
; instance : JET_INSTANCE -> "sptr"

; INT JetTerm(JET_INSTANCE instance)
#uselib "ESENT.dll"
#cfunc global JetTerm "JetTerm" intptr
; res = JetTerm(instance)
; instance : JET_INSTANCE -> "intptr"

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetTerm = esent.NewProc("JetTerm")
)

// instance (JET_INSTANCE)
r1, _, err := procJetTerm.Call(
	uintptr(instance),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetTerm(
  instance: NativeUInt   // JET_INSTANCE
): Integer; stdcall;
  external 'ESENT.dll' name 'JetTerm';

result := DllCall("ESENT\JetTerm"
    , "UPtr", instance   ; JET_INSTANCE
    , "Int")   ; return: INT

●JetTerm(instance) = DLL("ESENT.dll", "int JetTerm(int)")
# 呼び出し: JetTerm(instance)
# instance : JET_INSTANCE -> "int"
# 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)。