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JetCreateDatabase2A
関数最大サイズを指定してESEデータベースを作成する(ANSI版)。
シグネチャ
// ESENT.dll (ANSI / -A)
#include <windows.h>
INT JetCreateDatabase2A(
JET_SESID sesid,
CHAR* szFilename,
DWORD cpgDatabaseSizeMax,
DWORD* pdbid,
DWORD grbit
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| sesid | JET_SESID | in | 操作に使用するセッションID。 |
| szFilename | CHAR* | in | 作成するデータベースファイルのパスを指すANSI文字列。 |
| cpgDatabaseSizeMax | DWORD | in | データベースの最大サイズをページ数で指定する。0で無制限。 |
| pdbid | DWORD* | out | 生成されたデータベースID(dbid)を受け取るDWORDポインタ。 |
| grbit | DWORD | in | 作成動作を制御するJET_bitDbCreate系フラグ。 |
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 JetCreateDatabase2A(
JET_SESID sesid,
CHAR* szFilename,
DWORD cpgDatabaseSizeMax,
DWORD* pdbid,
DWORD grbit
);[DllImport("ESENT.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int JetCreateDatabase2A(
UIntPtr sesid, // JET_SESID
IntPtr szFilename, // CHAR*
uint cpgDatabaseSizeMax, // DWORD
out uint pdbid, // DWORD* out
uint grbit // DWORD
);<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetCreateDatabase2A(
sesid As UIntPtr, ' JET_SESID
szFilename As IntPtr, ' CHAR*
cpgDatabaseSizeMax As UInteger, ' DWORD
<Out> ByRef pdbid As UInteger, ' DWORD* out
grbit As UInteger ' DWORD
) As Integer
End Function' sesid : JET_SESID
' szFilename : CHAR*
' cpgDatabaseSizeMax : DWORD
' pdbid : DWORD* out
' grbit : DWORD
Declare PtrSafe Function JetCreateDatabase2A Lib "esent" ( _
ByVal sesid As LongPtr, _
ByVal szFilename As LongPtr, _
ByVal cpgDatabaseSizeMax As Long, _
ByRef pdbid As Long, _
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
JetCreateDatabase2A = ctypes.windll.esent.JetCreateDatabase2A
JetCreateDatabase2A.restype = ctypes.c_int
JetCreateDatabase2A.argtypes = [
ctypes.c_size_t, # sesid : JET_SESID
ctypes.POINTER(ctypes.c_byte), # szFilename : CHAR*
wintypes.DWORD, # cpgDatabaseSizeMax : DWORD
ctypes.POINTER(wintypes.DWORD), # pdbid : DWORD* out
wintypes.DWORD, # grbit : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ESENT.dll')
JetCreateDatabase2A = Fiddle::Function.new(
lib['JetCreateDatabase2A'],
[
Fiddle::TYPE_UINTPTR_T, # sesid : JET_SESID
Fiddle::TYPE_VOIDP, # szFilename : CHAR*
-Fiddle::TYPE_INT, # cpgDatabaseSizeMax : DWORD
Fiddle::TYPE_VOIDP, # pdbid : DWORD* out
-Fiddle::TYPE_INT, # grbit : DWORD
],
Fiddle::TYPE_INT)#[link(name = "esent")]
extern "system" {
fn JetCreateDatabase2A(
sesid: usize, // JET_SESID
szFilename: *mut i8, // CHAR*
cpgDatabaseSizeMax: u32, // DWORD
pdbid: *mut u32, // DWORD* out
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 JetCreateDatabase2A(UIntPtr sesid, IntPtr szFilename, uint cpgDatabaseSizeMax, out uint pdbid, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetCreateDatabase2A' -Namespace Win32 -PassThru
# $api::JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit)#uselib "ESENT.dll"
#func global JetCreateDatabase2A "JetCreateDatabase2A" sptr, sptr, sptr, sptr, sptr
; JetCreateDatabase2A sesid, varptr(szFilename), cpgDatabaseSizeMax, varptr(pdbid), grbit ; 戻り値は stat
; sesid : JET_SESID -> "sptr"
; szFilename : CHAR* -> "sptr"
; cpgDatabaseSizeMax : DWORD -> "sptr"
; pdbid : DWORD* out -> "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 JetCreateDatabase2A "JetCreateDatabase2A" sptr, var, int, var, int ; res = JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit) ; sesid : JET_SESID -> "sptr" ; szFilename : CHAR* -> "var" ; cpgDatabaseSizeMax : DWORD -> "int" ; pdbid : DWORD* out -> "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 JetCreateDatabase2A "JetCreateDatabase2A" sptr, sptr, int, sptr, int ; res = JetCreateDatabase2A(sesid, varptr(szFilename), cpgDatabaseSizeMax, varptr(pdbid), grbit) ; sesid : JET_SESID -> "sptr" ; szFilename : CHAR* -> "sptr" ; cpgDatabaseSizeMax : DWORD -> "int" ; pdbid : DWORD* out -> "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 JetCreateDatabase2A(JET_SESID sesid, CHAR* szFilename, DWORD cpgDatabaseSizeMax, DWORD* pdbid, DWORD grbit) #uselib "ESENT.dll" #cfunc global JetCreateDatabase2A "JetCreateDatabase2A" intptr, var, int, var, int ; res = JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit) ; sesid : JET_SESID -> "intptr" ; szFilename : CHAR* -> "var" ; cpgDatabaseSizeMax : DWORD -> "int" ; pdbid : DWORD* out -> "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 JetCreateDatabase2A(JET_SESID sesid, CHAR* szFilename, DWORD cpgDatabaseSizeMax, DWORD* pdbid, DWORD grbit) #uselib "ESENT.dll" #cfunc global JetCreateDatabase2A "JetCreateDatabase2A" intptr, intptr, int, intptr, int ; res = JetCreateDatabase2A(sesid, varptr(szFilename), cpgDatabaseSizeMax, varptr(pdbid), grbit) ; sesid : JET_SESID -> "intptr" ; szFilename : CHAR* -> "intptr" ; cpgDatabaseSizeMax : DWORD -> "int" ; pdbid : DWORD* out -> "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")
procJetCreateDatabase2A = esent.NewProc("JetCreateDatabase2A")
)
// sesid (JET_SESID), szFilename (CHAR*), cpgDatabaseSizeMax (DWORD), pdbid (DWORD* out), grbit (DWORD)
r1, _, err := procJetCreateDatabase2A.Call(
uintptr(sesid),
uintptr(szFilename),
uintptr(cpgDatabaseSizeMax),
uintptr(pdbid),
uintptr(grbit),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction JetCreateDatabase2A(
sesid: NativeUInt; // JET_SESID
szFilename: Pointer; // CHAR*
cpgDatabaseSizeMax: DWORD; // DWORD
pdbid: Pointer; // DWORD* out
grbit: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetCreateDatabase2A';result := DllCall("ESENT\JetCreateDatabase2A"
, "UPtr", sesid ; JET_SESID
, "Ptr", szFilename ; CHAR*
, "UInt", cpgDatabaseSizeMax ; DWORD
, "Ptr", pdbid ; DWORD* out
, "UInt", grbit ; DWORD
, "Int") ; return: INT●JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit) = DLL("ESENT.dll", "int JetCreateDatabase2A(int, void*, dword, void*, dword)")
# 呼び出し: JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit)
# sesid : JET_SESID -> "int"
# szFilename : CHAR* -> "void*"
# cpgDatabaseSizeMax : DWORD -> "dword"
# pdbid : DWORD* out -> "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 JetCreateDatabase2A(
sesid: usize, // JET_SESID
szFilename: [*c]i8, // CHAR*
cpgDatabaseSizeMax: u32, // DWORD
pdbid: [*c]u32, // DWORD* out
grbit: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;proc JetCreateDatabase2A(
sesid: uint, # JET_SESID
szFilename: ptr int8, # CHAR*
cpgDatabaseSizeMax: uint32, # DWORD
pdbid: ptr uint32, # DWORD* out
grbit: uint32 # DWORD
): int32 {.importc: "JetCreateDatabase2A", stdcall, dynlib: "ESENT.dll".}pragma(lib, "esent");
extern(Windows)
int JetCreateDatabase2A(
size_t sesid, // JET_SESID
byte* szFilename, // CHAR*
uint cpgDatabaseSizeMax, // DWORD
uint* pdbid, // DWORD* out
uint grbit // DWORD
);ccall((:JetCreateDatabase2A, "ESENT.dll"), stdcall, Int32,
(Csize_t, Ptr{Int8}, UInt32, Ptr{UInt32}, UInt32),
sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit)
# sesid : JET_SESID -> Csize_t
# szFilename : CHAR* -> Ptr{Int8}
# cpgDatabaseSizeMax : DWORD -> UInt32
# pdbid : DWORD* out -> Ptr{UInt32}
# 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 JetCreateDatabase2A(
uintptr_t sesid,
int8_t* szFilename,
uint32_t cpgDatabaseSizeMax,
uint32_t* pdbid,
uint32_t grbit);
]]
local esent = ffi.load("esent")
-- esent.JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit)
-- sesid : JET_SESID
-- szFilename : CHAR*
-- cpgDatabaseSizeMax : DWORD
-- pdbid : DWORD* out
-- 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 JetCreateDatabase2A = lib.func('__stdcall', 'JetCreateDatabase2A', 'int32_t', ['uintptr_t', 'int8_t *', 'uint32_t', 'uint32_t *', 'uint32_t']);
// JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit)
// sesid : JET_SESID -> 'uintptr_t'
// szFilename : CHAR* -> 'int8_t *'
// cpgDatabaseSizeMax : DWORD -> 'uint32_t'
// pdbid : DWORD* out -> 'uint32_t *'
// 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。const lib = Deno.dlopen("ESENT.dll", {
JetCreateDatabase2A: { parameters: ["usize", "pointer", "u32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit)
// sesid : JET_SESID -> "usize"
// szFilename : CHAR* -> "pointer"
// cpgDatabaseSizeMax : DWORD -> "u32"
// pdbid : DWORD* out -> "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 JetCreateDatabase2A(
size_t sesid,
int8_t* szFilename,
uint32_t cpgDatabaseSizeMax,
uint32_t* pdbid,
uint32_t grbit);
C, "ESENT.dll");
// $ffi->JetCreateDatabase2A(sesid, szFilename, cpgDatabaseSizeMax, pdbid, grbit);
// sesid : JET_SESID
// szFilename : CHAR*
// cpgDatabaseSizeMax : DWORD
// pdbid : DWORD* out
// grbit : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Esent extends StdCallLibrary {
Esent INSTANCE = Native.load("esent", Esent.class, W32APIOptions.ASCII_OPTIONS);
int JetCreateDatabase2A(
long sesid, // JET_SESID
byte[] szFilename, // CHAR*
int cpgDatabaseSizeMax, // DWORD
IntByReference pdbid, // DWORD* out
int grbit // DWORD
);
}@[Link("esent")]
lib LibESENT
fun JetCreateDatabase2A = JetCreateDatabase2A(
sesid : LibC::SizeT, # JET_SESID
szFilename : Int8*, # CHAR*
cpgDatabaseSizeMax : UInt32, # DWORD
pdbid : UInt32*, # DWORD* out
grbit : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef JetCreateDatabase2ANative = Int32 Function(UintPtr, Pointer<Int8>, Uint32, Pointer<Uint32>, Uint32);
typedef JetCreateDatabase2ADart = int Function(int, Pointer<Int8>, int, Pointer<Uint32>, int);
final JetCreateDatabase2A = DynamicLibrary.open('ESENT.dll')
.lookupFunction<JetCreateDatabase2ANative, JetCreateDatabase2ADart>('JetCreateDatabase2A');
// sesid : JET_SESID -> UintPtr
// szFilename : CHAR* -> Pointer<Int8>
// cpgDatabaseSizeMax : DWORD -> Uint32
// pdbid : DWORD* out -> Pointer<Uint32>
// grbit : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function JetCreateDatabase2A(
sesid: NativeUInt; // JET_SESID
szFilename: Pointer; // CHAR*
cpgDatabaseSizeMax: DWORD; // DWORD
pdbid: Pointer; // DWORD* out
grbit: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetCreateDatabase2A';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "JetCreateDatabase2A"
c_JetCreateDatabase2A :: CUIntPtr -> Ptr Int8 -> Word32 -> Ptr Word32 -> Word32 -> IO Int32
-- sesid : JET_SESID -> CUIntPtr
-- szFilename : CHAR* -> Ptr Int8
-- cpgDatabaseSizeMax : DWORD -> Word32
-- pdbid : DWORD* out -> Ptr Word32
-- 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 jetcreatedatabase2a =
foreign "JetCreateDatabase2A"
(size_t @-> (ptr int8_t) @-> uint32_t @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* sesid : JET_SESID -> size_t *)
(* szFilename : CHAR* -> (ptr int8_t) *)
(* cpgDatabaseSizeMax : DWORD -> uint32_t *)
(* pdbid : DWORD* out -> (ptr uint32_t) *)
(* 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 ("JetCreateDatabase2A" jet-create-database2-a :convention :stdcall) :int32
(sesid :uint64) ; JET_SESID
(sz-filename :pointer) ; CHAR*
(cpg-database-size-max :uint32) ; DWORD
(pdbid :pointer) ; DWORD* out
(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 $JetCreateDatabase2A = Win32::API::More->new('ESENT',
'int JetCreateDatabase2A(WPARAM sesid, LPVOID szFilename, DWORD cpgDatabaseSizeMax, LPVOID pdbid, DWORD grbit)');
# my $ret = $JetCreateDatabase2A->Call($sesid, $szFilename, $cpgDatabaseSizeMax, $pdbid, $grbit);
# sesid : JET_SESID -> WPARAM
# szFilename : CHAR* -> LPVOID
# cpgDatabaseSizeMax : DWORD -> DWORD
# pdbid : DWORD* out -> 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。関連項目
文字セット違い
- f JetCreateDatabase2W (Unicode版) — 最大サイズを指定してESEデータベースを作成する。
類似 API
- f JetCreateDatabaseA — 新しいESEデータベースファイルを作成する(ANSI版)。