JetCreateInstance2A

関数

表示名とオプションを指定してESEインスタンスを作成する（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 JetCreateInstance2A(
    JET_INSTANCE* pinstance,
    CHAR* szInstanceName,   // optional
    CHAR* szDisplayName,   // optional
    DWORD grbit
);

パラメーター

名前	型	方向
pinstance	JET_INSTANCE*	out
szInstanceName	CHAR*	inoptional
szDisplayName	CHAR*	inoptional
grbit	DWORD	in

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 JetCreateInstance2A(
    JET_INSTANCE* pinstance,
    CHAR* szInstanceName,   // optional
    CHAR* szDisplayName,   // optional
    DWORD grbit
);

[DllImport("ESENT.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int JetCreateInstance2A(
    out UIntPtr pinstance,   // JET_INSTANCE* out
    IntPtr szInstanceName,   // CHAR* optional
    IntPtr szDisplayName,   // CHAR* optional
    uint grbit   // DWORD
);

<DllImport("ESENT.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function JetCreateInstance2A(
    <Out> ByRef pinstance As UIntPtr,   ' JET_INSTANCE* out
    szInstanceName As IntPtr,   ' CHAR* optional
    szDisplayName As IntPtr,   ' CHAR* optional
    grbit As UInteger   ' DWORD
) As Integer
End Function

' pinstance : JET_INSTANCE* out
' szInstanceName : CHAR* optional
' szDisplayName : CHAR* optional
' grbit : DWORD
Declare PtrSafe Function JetCreateInstance2A Lib "esent" ( _
    ByRef pinstance As LongPtr, _
    ByVal szInstanceName As LongPtr, _
    ByVal szDisplayName 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

JetCreateInstance2A = ctypes.windll.esent.JetCreateInstance2A
JetCreateInstance2A.restype = ctypes.c_int
JetCreateInstance2A.argtypes = [
    ctypes.c_void_p,  # pinstance : JET_INSTANCE* out
    ctypes.POINTER(ctypes.c_byte),  # szInstanceName : CHAR* optional
    ctypes.POINTER(ctypes.c_byte),  # szDisplayName : CHAR* optional
    wintypes.DWORD,  # grbit : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetCreateInstance2A = Fiddle::Function.new(
  lib['JetCreateInstance2A'],
  [
    Fiddle::TYPE_VOIDP,  # pinstance : JET_INSTANCE* out
    Fiddle::TYPE_VOIDP,  # szInstanceName : CHAR* optional
    Fiddle::TYPE_VOIDP,  # szDisplayName : CHAR* optional
    -Fiddle::TYPE_INT,  # grbit : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetCreateInstance2A(
        pinstance: *mut usize,  // JET_INSTANCE* out
        szInstanceName: *mut i8,  // CHAR* optional
        szDisplayName: *mut i8,  // CHAR* 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 JetCreateInstance2A(out UIntPtr pinstance, IntPtr szInstanceName, IntPtr szDisplayName, uint grbit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetCreateInstance2A' -Namespace Win32 -PassThru
# $api::JetCreateInstance2A(pinstance, szInstanceName, szDisplayName, grbit)

#uselib "ESENT.dll"
#func global JetCreateInstance2A "JetCreateInstance2A" sptr, sptr, sptr, sptr
; JetCreateInstance2A pinstance, varptr(szInstanceName), varptr(szDisplayName), grbit   ; 戻り値は stat
; pinstance : JET_INSTANCE* out -> "sptr"
; szInstanceName : CHAR* optional -> "sptr"
; szDisplayName : CHAR* 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 JetCreateInstance2A "JetCreateInstance2A" int, var, var, int
; res = JetCreateInstance2A(pinstance, szInstanceName, szDisplayName, grbit)
; pinstance : JET_INSTANCE* out -> "int"
; szInstanceName : CHAR* optional -> "var"
; szDisplayName : CHAR* 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 JetCreateInstance2A "JetCreateInstance2A" int, sptr, sptr, int
; res = JetCreateInstance2A(pinstance, varptr(szInstanceName), varptr(szDisplayName), grbit)
; pinstance : JET_INSTANCE* out -> "int"
; szInstanceName : CHAR* optional -> "sptr"
; szDisplayName : CHAR* 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 JetCreateInstance2A(JET_INSTANCE* pinstance, CHAR* szInstanceName, CHAR* szDisplayName, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetCreateInstance2A "JetCreateInstance2A" int, var, var, int
; res = JetCreateInstance2A(pinstance, szInstanceName, szDisplayName, grbit)
; pinstance : JET_INSTANCE* out -> "int"
; szInstanceName : CHAR* optional -> "var"
; szDisplayName : CHAR* 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 JetCreateInstance2A(JET_INSTANCE* pinstance, CHAR* szInstanceName, CHAR* szDisplayName, DWORD grbit)
#uselib "ESENT.dll"
#cfunc global JetCreateInstance2A "JetCreateInstance2A" int, intptr, intptr, int
; res = JetCreateInstance2A(pinstance, varptr(szInstanceName), varptr(szDisplayName), grbit)
; pinstance : JET_INSTANCE* out -> "int"
; szInstanceName : CHAR* optional -> "intptr"
; szDisplayName : CHAR* 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")
	procJetCreateInstance2A = esent.NewProc("JetCreateInstance2A")
)

// pinstance (JET_INSTANCE* out), szInstanceName (CHAR* optional), szDisplayName (CHAR* optional), grbit (DWORD)
r1, _, err := procJetCreateInstance2A.Call(
	uintptr(pinstance),
	uintptr(szInstanceName),
	uintptr(szDisplayName),
	uintptr(grbit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetCreateInstance2A(
  pinstance: Pointer;   // JET_INSTANCE* out
  szInstanceName: Pointer;   // CHAR* optional
  szDisplayName: Pointer;   // CHAR* optional
  grbit: DWORD   // DWORD
): Integer; stdcall;
  external 'ESENT.dll' name 'JetCreateInstance2A';

result := DllCall("ESENT\JetCreateInstance2A"
    , "Ptr", pinstance   ; JET_INSTANCE* out
    , "Ptr", szInstanceName   ; CHAR* optional
    , "Ptr", szDisplayName   ; CHAR* optional
    , "UInt", grbit   ; DWORD
    , "Int")   ; return: INT

●JetCreateInstance2A(pinstance, szInstanceName, szDisplayName, grbit) = DLL("ESENT.dll", "int JetCreateInstance2A(void*, void*, void*, dword)")
# 呼び出し: JetCreateInstance2A(pinstance, szInstanceName, szDisplayName, grbit)
# pinstance : JET_INSTANCE* out -> "void*"
# szInstanceName : CHAR* optional -> "void*"
# szDisplayName : CHAR* 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)。