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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)。
DLLESENT.dll文字セットANSI (-A)呼出規約winapi

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

名前方向説明
sesidJET_SESIDin圧縮を行うセッションのJET_SESIDハンドル。
szDatabaseSrcCHAR*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。
szDatabaseDestCHAR*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。
pfnStatusJET_PFNSTATUSin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。
pconvertJET_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。
grbitDWORDin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。
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。
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   // INT
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';
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。

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