JetDefragment3W

関数

データベース名指定でオンライン最適化を実行する(Unicode版)。

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 JetDefragment3W(
    JET_SESID sesid,
    WORD* szDatabaseName,
    WORD* szTableName,   // optional
    DWORD* pcPasses,   // optional
    DWORD* pcSeconds,   // optional
    JET_CALLBACK callback,
    void* pvContext,
    DWORD grbit
);

パラメーター

名前	型	方向
sesid	JET_SESID	in
szDatabaseName	WORD*	in
szTableName	WORD*	inoptional
pcPasses	DWORD*	inoutoptional
pcSeconds	DWORD*	inoutoptional
callback	JET_CALLBACK	in
pvContext	void*	in
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 JetDefragment3W(
    JET_SESID sesid,
    WORD* szDatabaseName,
    WORD* szTableName,   // optional
    DWORD* pcPasses,   // optional
    DWORD* pcSeconds,   // optional
    JET_CALLBACK callback,
    void* pvContext,
    DWORD grbit
);

[DllImport("ESENT.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int JetDefragment3W(
    UIntPtr sesid,   // JET_SESID
    ref ushort szDatabaseName,   // WORD*
    IntPtr szTableName,   // WORD* optional
    IntPtr pcPasses,   // DWORD* optional, in/out
    IntPtr pcSeconds,   // DWORD* optional, in/out
    IntPtr callback,   // JET_CALLBACK
    IntPtr pvContext,   // void*
    uint grbit   // DWORD
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetDefragment3W(
    sesid As UIntPtr,   ' JET_SESID
    ByRef szDatabaseName As UShort,   ' WORD*
    szTableName As IntPtr,   ' WORD* optional
    pcPasses As IntPtr,   ' DWORD* optional, in/out
    pcSeconds As IntPtr,   ' DWORD* optional, in/out
    callback As IntPtr,   ' JET_CALLBACK
    pvContext As IntPtr,   ' void*
    grbit As UInteger   ' DWORD
) As Integer
End Function

' sesid : JET_SESID
' szDatabaseName : WORD*
' szTableName : WORD* optional
' pcPasses : DWORD* optional, in/out
' pcSeconds : DWORD* optional, in/out
' callback : JET_CALLBACK
' pvContext : void*
' grbit : DWORD
Declare PtrSafe Function JetDefragment3W Lib "esent" ( _
    ByVal sesid As LongPtr, _
    ByRef szDatabaseName As Integer, _
    ByVal szTableName As LongPtr, _
    ByVal pcPasses As LongPtr, _
    ByVal pcSeconds As LongPtr, _
    ByVal callback As LongPtr, _
    ByVal pvContext 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

JetDefragment3W = ctypes.windll.esent.JetDefragment3W
JetDefragment3W.restype = ctypes.c_int
JetDefragment3W.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
    ctypes.POINTER(ctypes.c_ushort),  # szDatabaseName : WORD*
    ctypes.POINTER(ctypes.c_ushort),  # szTableName : WORD* optional
    ctypes.POINTER(wintypes.DWORD),  # pcPasses : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pcSeconds : DWORD* optional, in/out
    ctypes.c_void_p,  # callback : JET_CALLBACK
    ctypes.POINTER(None),  # pvContext : void*
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetDefragment3W = Fiddle::Function.new(
  lib['JetDefragment3W'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
    Fiddle::TYPE_VOIDP,  # szDatabaseName : WORD*
    Fiddle::TYPE_VOIDP,  # szTableName : WORD* optional
    Fiddle::TYPE_VOIDP,  # pcPasses : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pcSeconds : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # callback : JET_CALLBACK
    Fiddle::TYPE_VOIDP,  # pvContext : void*
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetDefragment3W(
        sesid: usize,  // JET_SESID
        szDatabaseName: *mut u16,  // WORD*
        szTableName: *mut u16,  // WORD* optional
        pcPasses: *mut u32,  // DWORD* optional, in/out
        pcSeconds: *mut u32,  // DWORD* optional, in/out
        callback: *const core::ffi::c_void,  // JET_CALLBACK
        pvContext: *mut (),  // void*
        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 JetDefragment3W(UIntPtr sesid, ref ushort szDatabaseName, IntPtr szTableName, IntPtr pcPasses, IntPtr pcSeconds, IntPtr callback, IntPtr pvContext, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetDefragment3W' -Namespace Win32 -PassThru
# $api::JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)

#uselib "ESENT.dll"
#func global JetDefragment3W "JetDefragment3W" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; JetDefragment3W sesid, varptr(szDatabaseName), varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), callback, pvContext, grbit   ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; szDatabaseName : WORD* -> "wptr"
; szTableName : WORD* optional -> "wptr"
; pcPasses : DWORD* optional, in/out -> "wptr"
; pcSeconds : DWORD* optional, in/out -> "wptr"
; callback : JET_CALLBACK -> "wptr"
; pvContext : void* -> "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 JetDefragment3W "JetDefragment3W" sptr, var, var, var, var, sptr, sptr, int
; res = JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
; sesid : JET_SESID -> "sptr"
; szDatabaseName : WORD* -> "var"
; szTableName : WORD* optional -> "var"
; pcPasses : DWORD* optional, in/out -> "var"
; pcSeconds : DWORD* optional, in/out -> "var"
; callback : JET_CALLBACK -> "sptr"
; pvContext : void* -> "sptr"
; 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 JetDefragment3W "JetDefragment3W" sptr, sptr, sptr, sptr, sptr, sptr, sptr, int
; res = JetDefragment3W(sesid, varptr(szDatabaseName), varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), callback, pvContext, grbit)
; sesid : JET_SESID -> "sptr"
; szDatabaseName : WORD* -> "sptr"
; szTableName : WORD* optional -> "sptr"
; pcPasses : DWORD* optional, in/out -> "sptr"
; pcSeconds : DWORD* optional, in/out -> "sptr"
; callback : JET_CALLBACK -> "sptr"
; pvContext : void* -> "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 JetDefragment3W(JET_SESID sesid, WORD* szDatabaseName, WORD* szTableName, DWORD* pcPasses, DWORD* pcSeconds, JET_CALLBACK callback, void* pvContext, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetDefragment3W "JetDefragment3W" intptr, var, var, var, var, intptr, intptr, int
; res = JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
; sesid : JET_SESID -> "intptr"
; szDatabaseName : WORD* -> "var"
; szTableName : WORD* optional -> "var"
; pcPasses : DWORD* optional, in/out -> "var"
; pcSeconds : DWORD* optional, in/out -> "var"
; callback : JET_CALLBACK -> "intptr"
; pvContext : void* -> "intptr"
; 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 JetDefragment3W(JET_SESID sesid, WORD* szDatabaseName, WORD* szTableName, DWORD* pcPasses, DWORD* pcSeconds, JET_CALLBACK callback, void* pvContext, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetDefragment3W "JetDefragment3W" intptr, intptr, intptr, intptr, intptr, intptr, intptr, int
; res = JetDefragment3W(sesid, varptr(szDatabaseName), varptr(szTableName), varptr(pcPasses), varptr(pcSeconds), callback, pvContext, grbit)
; sesid : JET_SESID -> "intptr"
; szDatabaseName : WORD* -> "intptr"
; szTableName : WORD* optional -> "intptr"
; pcPasses : DWORD* optional, in/out -> "intptr"
; pcSeconds : DWORD* optional, in/out -> "intptr"
; callback : JET_CALLBACK -> "intptr"
; pvContext : void* -> "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")
	procJetDefragment3W = esent.NewProc("JetDefragment3W")
)

// sesid (JET_SESID), szDatabaseName (WORD*), szTableName (WORD* optional), pcPasses (DWORD* optional, in/out), pcSeconds (DWORD* optional, in/out), callback (JET_CALLBACK), pvContext (void*), grbit (DWORD)
r1, _, err := procJetDefragment3W.Call(
	uintptr(sesid),
	uintptr(szDatabaseName),
	uintptr(szTableName),
	uintptr(pcPasses),
	uintptr(pcSeconds),
	uintptr(callback),
	uintptr(pvContext),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetDefragment3W(
  sesid: NativeUInt;   // JET_SESID
  szDatabaseName: Pointer;   // WORD*
  szTableName: Pointer;   // WORD* optional
  pcPasses: Pointer;   // DWORD* optional, in/out
  pcSeconds: Pointer;   // DWORD* optional, in/out
  callback: Pointer;   // JET_CALLBACK
  pvContext: Pointer;   // void*
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetDefragment3W';

result := DllCall("ESENT\JetDefragment3W"
    , "UPtr", sesid   ; JET_SESID
    , "Ptr", szDatabaseName   ; WORD*
    , "Ptr", szTableName   ; WORD* optional
    , "Ptr", pcPasses   ; DWORD* optional, in/out
    , "Ptr", pcSeconds   ; DWORD* optional, in/out
    , "Ptr", callback   ; JET_CALLBACK
    , "Ptr", pvContext   ; void*
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit) = DLL("ESENT.dll", "int JetDefragment3W(int, void*, void*, void*, void*, void*, void*, dword)")
# 呼び出し: JetDefragment3W(sesid, szDatabaseName, szTableName, pcPasses, pcSeconds, callback, pvContext, grbit)
# sesid : JET_SESID -> "int"
# szDatabaseName : WORD* -> "void*"
# szTableName : WORD* optional -> "void*"
# pcPasses : DWORD* optional, in/out -> "void*"
# pcSeconds : DWORD* optional, in/out -> "void*"
# callback : JET_CALLBACK -> "void*"
# pvContext : void* -> "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。