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JetCompactA
関数データベースを圧縮して再構築する(ANSI版)。
シグネチャ
// ESENT.dll (ANSI / -A)
#include <windows.h>
INT JetCompactA(
JET_SESID sesid,
CHAR* szDatabaseSrc,
CHAR* szDatabaseDest,
JET_PFNSTATUS pfnStatus,
JET_CONVERT_A* pconvert, // optional
DWORD grbit
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| sesid | JET_SESID | in | 圧縮を行うセッションのJET_SESIDハンドル。 |
| szDatabaseSrc | CHAR* | in | 圧縮元データベースファイルのパスを指す終端付きANSI文字列ポインタ。 |
| szDatabaseDest | CHAR* | in | 圧縮先(出力)データベースファイルのパスを指す終端付きANSI文字列ポインタ。 |
| pfnStatus | JET_PFNSTATUS | in | 進捗通知を受け取るステータスコールバック関数(JET_PFNSTATUS)。NULL可。 |
| pconvert | JET_CONVERT_A* | inoptional | 予約済みの変換オプション構造体ポインタ(JET_CONVERT_A)。NULLを指定する。 |
| grbit | DWORD | in | 圧縮動作を制御するビットフラグ。JET_bitCompactStats等を指定する。 |
戻り値の型: INT
各言語での呼び出し定義
// ESENT.dll (ANSI / -A)
#include <windows.h>
INT JetCompactA(
JET_SESID sesid,
CHAR* szDatabaseSrc,
CHAR* szDatabaseDest,
JET_PFNSTATUS pfnStatus,
JET_CONVERT_A* pconvert, // optional
DWORD grbit
);[DllImport("ESENT.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int JetCompactA(
UIntPtr sesid, // JET_SESID
IntPtr szDatabaseSrc, // CHAR*
IntPtr szDatabaseDest, // CHAR*
IntPtr pfnStatus, // JET_PFNSTATUS
IntPtr pconvert, // JET_CONVERT_A* optional
uint grbit // DWORD
);<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetCompactA(
sesid As UIntPtr, ' JET_SESID
szDatabaseSrc As IntPtr, ' CHAR*
szDatabaseDest As IntPtr, ' CHAR*
pfnStatus As IntPtr, ' JET_PFNSTATUS
pconvert As IntPtr, ' JET_CONVERT_A* optional
grbit As UInteger ' DWORD
) As Integer
End Function' sesid : JET_SESID
' szDatabaseSrc : CHAR*
' szDatabaseDest : CHAR*
' pfnStatus : JET_PFNSTATUS
' pconvert : JET_CONVERT_A* optional
' grbit : DWORD
Declare PtrSafe Function JetCompactA Lib "esent" ( _
ByVal sesid As LongPtr, _
ByVal szDatabaseSrc As LongPtr, _
ByVal szDatabaseDest As LongPtr, _
ByVal pfnStatus As LongPtr, _
ByVal pconvert As LongPtr, _
ByVal grbit As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
JetCompactA = ctypes.windll.esent.JetCompactA
JetCompactA.restype = ctypes.c_int
JetCompactA.argtypes = [
ctypes.c_size_t, # sesid : JET_SESID
ctypes.POINTER(ctypes.c_byte), # szDatabaseSrc : CHAR*
ctypes.POINTER(ctypes.c_byte), # szDatabaseDest : CHAR*
ctypes.c_void_p, # pfnStatus : JET_PFNSTATUS
ctypes.c_void_p, # pconvert : JET_CONVERT_A* optional
wintypes.DWORD, # grbit : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ESENT.dll')
JetCompactA = Fiddle::Function.new(
lib['JetCompactA'],
[
Fiddle::TYPE_UINTPTR_T, # sesid : JET_SESID
Fiddle::TYPE_VOIDP, # szDatabaseSrc : CHAR*
Fiddle::TYPE_VOIDP, # szDatabaseDest : CHAR*
Fiddle::TYPE_VOIDP, # pfnStatus : JET_PFNSTATUS
Fiddle::TYPE_VOIDP, # pconvert : JET_CONVERT_A* optional
-Fiddle::TYPE_INT, # grbit : DWORD
],
Fiddle::TYPE_INT)#[link(name = "esent")]
extern "system" {
fn JetCompactA(
sesid: usize, // JET_SESID
szDatabaseSrc: *mut i8, // CHAR*
szDatabaseDest: *mut i8, // CHAR*
pfnStatus: *const core::ffi::c_void, // JET_PFNSTATUS
pconvert: *mut JET_CONVERT_A, // JET_CONVERT_A* optional
grbit: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Ansi)]
public static extern int JetCompactA(UIntPtr sesid, IntPtr szDatabaseSrc, IntPtr szDatabaseDest, IntPtr pfnStatus, IntPtr pconvert, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetCompactA' -Namespace Win32 -PassThru
# $api::JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)#uselib "ESENT.dll"
#func global JetCompactA "JetCompactA" sptr, sptr, sptr, sptr, sptr, sptr
; JetCompactA sesid, varptr(szDatabaseSrc), varptr(szDatabaseDest), pfnStatus, varptr(pconvert), grbit ; 戻り値は stat
; sesid : JET_SESID -> "sptr"
; szDatabaseSrc : CHAR* -> "sptr"
; szDatabaseDest : CHAR* -> "sptr"
; pfnStatus : JET_PFNSTATUS -> "sptr"
; pconvert : JET_CONVERT_A* optional -> "sptr"
; grbit : DWORD -> "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。出力引数:
#uselib "ESENT.dll" #cfunc global JetCompactA "JetCompactA" sptr, var, var, sptr, var, int ; res = JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit) ; sesid : JET_SESID -> "sptr" ; szDatabaseSrc : CHAR* -> "var" ; szDatabaseDest : CHAR* -> "var" ; pfnStatus : JET_PFNSTATUS -> "sptr" ; pconvert : JET_CONVERT_A* 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 JetCompactA "JetCompactA" sptr, sptr, sptr, sptr, sptr, int ; res = JetCompactA(sesid, varptr(szDatabaseSrc), varptr(szDatabaseDest), pfnStatus, varptr(pconvert), grbit) ; sesid : JET_SESID -> "sptr" ; szDatabaseSrc : CHAR* -> "sptr" ; szDatabaseDest : CHAR* -> "sptr" ; pfnStatus : JET_PFNSTATUS -> "sptr" ; pconvert : JET_CONVERT_A* 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 JetCompactA(JET_SESID sesid, CHAR* szDatabaseSrc, CHAR* szDatabaseDest, JET_PFNSTATUS pfnStatus, JET_CONVERT_A* pconvert, DWORD grbit) #uselib "ESENT.dll" #cfunc global JetCompactA "JetCompactA" intptr, var, var, intptr, var, int ; res = JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit) ; sesid : JET_SESID -> "intptr" ; szDatabaseSrc : CHAR* -> "var" ; szDatabaseDest : CHAR* -> "var" ; pfnStatus : JET_PFNSTATUS -> "intptr" ; pconvert : JET_CONVERT_A* 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 JetCompactA(JET_SESID sesid, CHAR* szDatabaseSrc, CHAR* szDatabaseDest, JET_PFNSTATUS pfnStatus, JET_CONVERT_A* pconvert, DWORD grbit) #uselib "ESENT.dll" #cfunc global JetCompactA "JetCompactA" intptr, intptr, intptr, intptr, intptr, int ; res = JetCompactA(sesid, varptr(szDatabaseSrc), varptr(szDatabaseDest), pfnStatus, varptr(pconvert), grbit) ; sesid : JET_SESID -> "intptr" ; szDatabaseSrc : CHAR* -> "intptr" ; szDatabaseDest : CHAR* -> "intptr" ; pfnStatus : JET_PFNSTATUS -> "intptr" ; pconvert : JET_CONVERT_A* 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")
procJetCompactA = esent.NewProc("JetCompactA")
)
// sesid (JET_SESID), szDatabaseSrc (CHAR*), szDatabaseDest (CHAR*), pfnStatus (JET_PFNSTATUS), pconvert (JET_CONVERT_A* optional), grbit (DWORD)
r1, _, err := procJetCompactA.Call(
uintptr(sesid),
uintptr(szDatabaseSrc),
uintptr(szDatabaseDest),
uintptr(pfnStatus),
uintptr(pconvert),
uintptr(grbit),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction JetCompactA(
sesid: NativeUInt; // JET_SESID
szDatabaseSrc: Pointer; // CHAR*
szDatabaseDest: Pointer; // CHAR*
pfnStatus: Pointer; // JET_PFNSTATUS
pconvert: Pointer; // JET_CONVERT_A* optional
grbit: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetCompactA';result := DllCall("ESENT\JetCompactA"
, "UPtr", sesid ; JET_SESID
, "Ptr", szDatabaseSrc ; CHAR*
, "Ptr", szDatabaseDest ; CHAR*
, "Ptr", pfnStatus ; JET_PFNSTATUS
, "Ptr", pconvert ; JET_CONVERT_A* optional
, "UInt", grbit ; DWORD
, "Int") ; return: INT●JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit) = DLL("ESENT.dll", "int JetCompactA(int, void*, void*, void*, void*, dword)")
# 呼び出し: JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
# sesid : JET_SESID -> "int"
# szDatabaseSrc : CHAR* -> "void*"
# szDatabaseDest : CHAR* -> "void*"
# pfnStatus : JET_PFNSTATUS -> "void*"
# pconvert : JET_CONVERT_A* 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)。const std = @import("std");
extern "esent" fn JetCompactA(
sesid: usize, // JET_SESID
szDatabaseSrc: [*c]i8, // CHAR*
szDatabaseDest: [*c]i8, // CHAR*
pfnStatus: ?*anyopaque, // JET_PFNSTATUS
pconvert: [*c]JET_CONVERT_A, // JET_CONVERT_A* optional
grbit: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;proc JetCompactA(
sesid: uint, # JET_SESID
szDatabaseSrc: ptr int8, # CHAR*
szDatabaseDest: ptr int8, # CHAR*
pfnStatus: pointer, # JET_PFNSTATUS
pconvert: ptr JET_CONVERT_A, # JET_CONVERT_A* optional
grbit: uint32 # DWORD
): int32 {.importc: "JetCompactA", stdcall, dynlib: "ESENT.dll".}pragma(lib, "esent");
extern(Windows)
int JetCompactA(
size_t sesid, // JET_SESID
byte* szDatabaseSrc, // CHAR*
byte* szDatabaseDest, // CHAR*
void* pfnStatus, // JET_PFNSTATUS
JET_CONVERT_A* pconvert, // JET_CONVERT_A* optional
uint grbit // DWORD
);ccall((:JetCompactA, "ESENT.dll"), stdcall, Int32,
(Csize_t, Ptr{Int8}, Ptr{Int8}, Ptr{Cvoid}, Ptr{JET_CONVERT_A}, UInt32),
sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
# sesid : JET_SESID -> Csize_t
# szDatabaseSrc : CHAR* -> Ptr{Int8}
# szDatabaseDest : CHAR* -> Ptr{Int8}
# pfnStatus : JET_PFNSTATUS -> Ptr{Cvoid}
# pconvert : JET_CONVERT_A* optional -> Ptr{JET_CONVERT_A}
# grbit : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t JetCompactA(
uintptr_t sesid,
int8_t* szDatabaseSrc,
int8_t* szDatabaseDest,
void* pfnStatus,
void* pconvert,
uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
-- sesid : JET_SESID
-- szDatabaseSrc : CHAR*
-- szDatabaseDest : CHAR*
-- pfnStatus : JET_PFNSTATUS
-- pconvert : JET_CONVERT_A* optional
-- 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。const koffi = require('koffi');
const lib = koffi.load('ESENT.dll');
const JetCompactA = lib.func('__stdcall', 'JetCompactA', 'int32_t', ['uintptr_t', 'int8_t *', 'int8_t *', 'void *', 'void *', 'uint32_t']);
// JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
// sesid : JET_SESID -> 'uintptr_t'
// szDatabaseSrc : CHAR* -> 'int8_t *'
// szDatabaseDest : CHAR* -> 'int8_t *'
// pfnStatus : JET_PFNSTATUS -> 'void *'
// pconvert : JET_CONVERT_A* optional -> '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。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。const lib = Deno.dlopen("ESENT.dll", {
JetCompactA: { parameters: ["usize", "pointer", "pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit)
// sesid : JET_SESID -> "usize"
// szDatabaseSrc : CHAR* -> "pointer"
// szDatabaseDest : CHAR* -> "pointer"
// pfnStatus : JET_PFNSTATUS -> "pointer"
// pconvert : JET_CONVERT_A* optional -> "pointer"
// grbit : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t JetCompactA(
size_t sesid,
int8_t* szDatabaseSrc,
int8_t* szDatabaseDest,
void* pfnStatus,
void* pconvert,
uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetCompactA(sesid, szDatabaseSrc, szDatabaseDest, pfnStatus, pconvert, grbit);
// sesid : JET_SESID
// szDatabaseSrc : CHAR*
// szDatabaseDest : CHAR*
// pfnStatus : JET_PFNSTATUS
// pconvert : JET_CONVERT_A* optional
// grbit : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Esent extends StdCallLibrary {
Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.ASCII_OPTIONS);
int JetCompactA(
long sesid, // JET_SESID
byte[] szDatabaseSrc, // CHAR*
byte[] szDatabaseDest, // CHAR*
Callback pfnStatus, // JET_PFNSTATUS
Pointer pconvert, // JET_CONVERT_A* optional
int grbit // DWORD
);
}@[Link("esent")]
lib LibESENT
fun JetCompactA = JetCompactA(
sesid : LibC::SizeT, # JET_SESID
szDatabaseSrc : Int8*, # CHAR*
szDatabaseDest : Int8*, # CHAR*
pfnStatus : Void*, # JET_PFNSTATUS
pconvert : JET_CONVERT_A*, # JET_CONVERT_A* optional
grbit : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef JetCompactANative = Int32 Function(UintPtr, Pointer<Int8>, Pointer<Int8>, Pointer<Void>, Pointer<Void>, Uint32);
typedef JetCompactADart = int Function(int, Pointer<Int8>, Pointer<Int8>, Pointer<Void>, Pointer<Void>, int);
final JetCompactA = DynamicLibrary.open('ESENT.dll')
.lookupFunction<JetCompactANative, JetCompactADart>('JetCompactA');
// sesid : JET_SESID -> UintPtr
// szDatabaseSrc : CHAR* -> Pointer<Int8>
// szDatabaseDest : CHAR* -> Pointer<Int8>
// pfnStatus : JET_PFNSTATUS -> Pointer<Void>
// pconvert : JET_CONVERT_A* optional -> Pointer<Void>
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function JetCompactA(
sesid: NativeUInt; // JET_SESID
szDatabaseSrc: Pointer; // CHAR*
szDatabaseDest: Pointer; // CHAR*
pfnStatus: Pointer; // JET_PFNSTATUS
pconvert: Pointer; // JET_CONVERT_A* optional
grbit: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetCompactA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "JetCompactA"
c_JetCompactA :: CUIntPtr -> Ptr Int8 -> Ptr Int8 -> Ptr () -> Ptr () -> Word32 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- szDatabaseSrc : CHAR* -> Ptr Int8
-- szDatabaseDest : CHAR* -> Ptr Int8
-- pfnStatus : JET_PFNSTATUS -> Ptr ()
-- pconvert : JET_CONVERT_A* optional -> 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 jetcompacta =
foreign "JetCompactA"
(size_t @-> (ptr int8_t) @-> (ptr int8_t) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* szDatabaseSrc : CHAR* -> (ptr int8_t) *)
(* szDatabaseDest : CHAR* -> (ptr int8_t) *)
(* pfnStatus : JET_PFNSTATUS -> (ptr void) *)
(* pconvert : JET_CONVERT_A* optional -> (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 ("JetCompactA" jet-compact-a :convention :stdcall) :int32
(sesid :uint64) ; JET_SESID
(sz-database-src :pointer) ; CHAR*
(sz-database-dest :pointer) ; CHAR*
(pfn-status :pointer) ; JET_PFNSTATUS
(pconvert :pointer) ; JET_CONVERT_A* optional
(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 $JetCompactA = Win32::API::More->new('ESENT',
'int JetCompactA(WPARAM sesid, LPVOID szDatabaseSrc, LPVOID szDatabaseDest, LPVOID pfnStatus, LPVOID pconvert, DWORD grbit)');
# my $ret = $JetCompactA->Call($sesid, $szDatabaseSrc, $szDatabaseDest, $pfnStatus, $pconvert, $grbit);
# sesid : JET_SESID -> WPARAM
# szDatabaseSrc : CHAR* -> LPVOID
# szDatabaseDest : CHAR* -> LPVOID
# pfnStatus : JET_PFNSTATUS -> LPVOID
# pconvert : JET_CONVERT_A* optional -> 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。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。関連項目
文字セット違い
- f JetCompactW (Unicode版) — データベースを圧縮して再構築する(Unicode版)。