ホーム › Storage.Jet › JetExternalRestore2W

JetExternalRestore2W

関数

対象インスタンス指定で外部バックアップから復元する(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 JetExternalRestore2W(
    WORD* szCheckpointFilePath,
    WORD* szLogPath,
    JET_RSTMAP_W* rgrstmap,   // optional
    INT crstfilemap,
    WORD* szBackupLogPath,
    JET_LOGINFO_W* pLogInfo,
    WORD* szTargetInstanceName,   // optional
    WORD* szTargetInstanceLogPath,   // optional
    WORD* szTargetInstanceCheckpointPath,   // optional
    JET_PFNSTATUS pfn
);

パラメーター

名前	型	方向
szCheckpointFilePath	WORD*	in
szLogPath	WORD*	in
rgrstmap	JET_RSTMAP_W*	inoptional
crstfilemap	INT	in
szBackupLogPath	WORD*	in
pLogInfo	JET_LOGINFO_W*	inout
szTargetInstanceName	WORD*	inoptional
szTargetInstanceLogPath	WORD*	inoptional
szTargetInstanceCheckpointPath	WORD*	inoptional
pfn	JET_PFNSTATUS	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 JetExternalRestore2W(
    WORD* szCheckpointFilePath,
    WORD* szLogPath,
    JET_RSTMAP_W* rgrstmap,   // optional
    INT crstfilemap,
    WORD* szBackupLogPath,
    JET_LOGINFO_W* pLogInfo,
    WORD* szTargetInstanceName,   // optional
    WORD* szTargetInstanceLogPath,   // optional
    WORD* szTargetInstanceCheckpointPath,   // optional
    JET_PFNSTATUS pfn
);

[DllImport("ESENT.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int JetExternalRestore2W(
    ref ushort szCheckpointFilePath,   // WORD*
    ref ushort szLogPath,   // WORD*
    IntPtr rgrstmap,   // JET_RSTMAP_W* optional
    int crstfilemap,   // INT
    ref ushort szBackupLogPath,   // WORD*
    IntPtr pLogInfo,   // JET_LOGINFO_W* in/out
    IntPtr szTargetInstanceName,   // WORD* optional
    IntPtr szTargetInstanceLogPath,   // WORD* optional
    IntPtr szTargetInstanceCheckpointPath,   // WORD* optional
    IntPtr pfn   // JET_PFNSTATUS
);

<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetExternalRestore2W(
    ByRef szCheckpointFilePath As UShort,   ' WORD*
    ByRef szLogPath As UShort,   ' WORD*
    rgrstmap As IntPtr,   ' JET_RSTMAP_W* optional
    crstfilemap As Integer,   ' INT
    ByRef szBackupLogPath As UShort,   ' WORD*
    pLogInfo As IntPtr,   ' JET_LOGINFO_W* in/out
    szTargetInstanceName As IntPtr,   ' WORD* optional
    szTargetInstanceLogPath As IntPtr,   ' WORD* optional
    szTargetInstanceCheckpointPath As IntPtr,   ' WORD* optional
    pfn As IntPtr   ' JET_PFNSTATUS
) As Integer
End Function

' szCheckpointFilePath : WORD*
' szLogPath : WORD*
' rgrstmap : JET_RSTMAP_W* optional
' crstfilemap : INT
' szBackupLogPath : WORD*
' pLogInfo : JET_LOGINFO_W* in/out
' szTargetInstanceName : WORD* optional
' szTargetInstanceLogPath : WORD* optional
' szTargetInstanceCheckpointPath : WORD* optional
' pfn : JET_PFNSTATUS
Declare PtrSafe Function JetExternalRestore2W Lib "esent" ( _
    ByRef szCheckpointFilePath As Integer, _
    ByRef szLogPath As Integer, _
    ByVal rgrstmap As LongPtr, _
    ByVal crstfilemap As Long, _
    ByRef szBackupLogPath As Integer, _
    ByVal pLogInfo As LongPtr, _
    ByVal szTargetInstanceName As LongPtr, _
    ByVal szTargetInstanceLogPath As LongPtr, _
    ByVal szTargetInstanceCheckpointPath As LongPtr, _
    ByVal pfn As LongPtr) 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

JetExternalRestore2W = ctypes.windll.esent.JetExternalRestore2W
JetExternalRestore2W.restype = ctypes.c_int
JetExternalRestore2W.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # szCheckpointFilePath : WORD*
    ctypes.POINTER(ctypes.c_ushort),  # szLogPath : WORD*
    ctypes.c_void_p,  # rgrstmap : JET_RSTMAP_W* optional
    ctypes.c_int,  # crstfilemap : INT
    ctypes.POINTER(ctypes.c_ushort),  # szBackupLogPath : WORD*
    ctypes.c_void_p,  # pLogInfo : JET_LOGINFO_W* in/out
    ctypes.POINTER(ctypes.c_ushort),  # szTargetInstanceName : WORD* optional
    ctypes.POINTER(ctypes.c_ushort),  # szTargetInstanceLogPath : WORD* optional
    ctypes.POINTER(ctypes.c_ushort),  # szTargetInstanceCheckpointPath : WORD* optional
    ctypes.c_void_p,  # pfn : JET_PFNSTATUS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetExternalRestore2W = Fiddle::Function.new(
  lib['JetExternalRestore2W'],
  [
    Fiddle::TYPE_VOIDP,  # szCheckpointFilePath : WORD*
    Fiddle::TYPE_VOIDP,  # szLogPath : WORD*
    Fiddle::TYPE_VOIDP,  # rgrstmap : JET_RSTMAP_W* optional
    Fiddle::TYPE_INT,  # crstfilemap : INT
    Fiddle::TYPE_VOIDP,  # szBackupLogPath : WORD*
    Fiddle::TYPE_VOIDP,  # pLogInfo : JET_LOGINFO_W* in/out
    Fiddle::TYPE_VOIDP,  # szTargetInstanceName : WORD* optional
    Fiddle::TYPE_VOIDP,  # szTargetInstanceLogPath : WORD* optional
    Fiddle::TYPE_VOIDP,  # szTargetInstanceCheckpointPath : WORD* optional
    Fiddle::TYPE_VOIDP,  # pfn : JET_PFNSTATUS
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "esent")]
extern "system" {
    fn JetExternalRestore2W(
        szCheckpointFilePath: *mut u16,  // WORD*
        szLogPath: *mut u16,  // WORD*
        rgrstmap: *mut JET_RSTMAP_W,  // JET_RSTMAP_W* optional
        crstfilemap: i32,  // INT
        szBackupLogPath: *mut u16,  // WORD*
        pLogInfo: *mut JET_LOGINFO_W,  // JET_LOGINFO_W* in/out
        szTargetInstanceName: *mut u16,  // WORD* optional
        szTargetInstanceLogPath: *mut u16,  // WORD* optional
        szTargetInstanceCheckpointPath: *mut u16,  // WORD* optional
        pfn: *const core::ffi::c_void  // JET_PFNSTATUS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetExternalRestore2W(ref ushort szCheckpointFilePath, ref ushort szLogPath, IntPtr rgrstmap, int crstfilemap, ref ushort szBackupLogPath, IntPtr pLogInfo, IntPtr szTargetInstanceName, IntPtr szTargetInstanceLogPath, IntPtr szTargetInstanceCheckpointPath, IntPtr pfn);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetExternalRestore2W' -Namespace Win32 -PassThru
# $api::JetExternalRestore2W(szCheckpointFilePath, szLogPath, rgrstmap, crstfilemap, szBackupLogPath, pLogInfo, szTargetInstanceName, szTargetInstanceLogPath, szTargetInstanceCheckpointPath, pfn)

#uselib "ESENT.dll"
#func global JetExternalRestore2W "JetExternalRestore2W" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; JetExternalRestore2W varptr(szCheckpointFilePath), varptr(szLogPath), varptr(rgrstmap), crstfilemap, varptr(szBackupLogPath), varptr(pLogInfo), varptr(szTargetInstanceName), varptr(szTargetInstanceLogPath), varptr(szTargetInstanceCheckpointPath), pfn   ; 戻り値は stat
; szCheckpointFilePath : WORD* -> "wptr"
; szLogPath : WORD* -> "wptr"
; rgrstmap : JET_RSTMAP_W* optional -> "wptr"
; crstfilemap : INT -> "wptr"
; szBackupLogPath : WORD* -> "wptr"
; pLogInfo : JET_LOGINFO_W* in/out -> "wptr"
; szTargetInstanceName : WORD* optional -> "wptr"
; szTargetInstanceLogPath : WORD* optional -> "wptr"
; szTargetInstanceCheckpointPath : WORD* optional -> "wptr"
; pfn : JET_PFNSTATUS -> "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 JetExternalRestore2W "JetExternalRestore2W" var, var, var, int, var, var, var, var, var, sptr
; res = JetExternalRestore2W(szCheckpointFilePath, szLogPath, rgrstmap, crstfilemap, szBackupLogPath, pLogInfo, szTargetInstanceName, szTargetInstanceLogPath, szTargetInstanceCheckpointPath, pfn)
; szCheckpointFilePath : WORD* -> "var"
; szLogPath : WORD* -> "var"
; rgrstmap : JET_RSTMAP_W* optional -> "var"
; crstfilemap : INT -> "int"
; szBackupLogPath : WORD* -> "var"
; pLogInfo : JET_LOGINFO_W* in/out -> "var"
; szTargetInstanceName : WORD* optional -> "var"
; szTargetInstanceLogPath : WORD* optional -> "var"
; szTargetInstanceCheckpointPath : WORD* optional -> "var"
; pfn : JET_PFNSTATUS -> "sptr"
; ※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 JetExternalRestore2W "JetExternalRestore2W" sptr, sptr, sptr, int, sptr, sptr, sptr, sptr, sptr, sptr
; res = JetExternalRestore2W(varptr(szCheckpointFilePath), varptr(szLogPath), varptr(rgrstmap), crstfilemap, varptr(szBackupLogPath), varptr(pLogInfo), varptr(szTargetInstanceName), varptr(szTargetInstanceLogPath), varptr(szTargetInstanceCheckpointPath), pfn)
; szCheckpointFilePath : WORD* -> "sptr"
; szLogPath : WORD* -> "sptr"
; rgrstmap : JET_RSTMAP_W* optional -> "sptr"
; crstfilemap : INT -> "int"
; szBackupLogPath : WORD* -> "sptr"
; pLogInfo : JET_LOGINFO_W* in/out -> "sptr"
; szTargetInstanceName : WORD* optional -> "sptr"
; szTargetInstanceLogPath : WORD* optional -> "sptr"
; szTargetInstanceCheckpointPath : WORD* optional -> "sptr"
; pfn : JET_PFNSTATUS -> "sptr"
; ※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 JetExternalRestore2W(WORD* szCheckpointFilePath, WORD* szLogPath, JET_RSTMAP_W* rgrstmap, INT crstfilemap, WORD* szBackupLogPath, JET_LOGINFO_W* pLogInfo, WORD* szTargetInstanceName, WORD* szTargetInstanceLogPath, WORD* szTargetInstanceCheckpointPath, JET_PFNSTATUS pfn)
#uselib "ESENT.dll"
#cfunc global JetExternalRestore2W "JetExternalRestore2W" var, var, var, int, var, var, var, var, var, intptr
; res = JetExternalRestore2W(szCheckpointFilePath, szLogPath, rgrstmap, crstfilemap, szBackupLogPath, pLogInfo, szTargetInstanceName, szTargetInstanceLogPath, szTargetInstanceCheckpointPath, pfn)
; szCheckpointFilePath : WORD* -> "var"
; szLogPath : WORD* -> "var"
; rgrstmap : JET_RSTMAP_W* optional -> "var"
; crstfilemap : INT -> "int"
; szBackupLogPath : WORD* -> "var"
; pLogInfo : JET_LOGINFO_W* in/out -> "var"
; szTargetInstanceName : WORD* optional -> "var"
; szTargetInstanceLogPath : WORD* optional -> "var"
; szTargetInstanceCheckpointPath : WORD* optional -> "var"
; pfn : JET_PFNSTATUS -> "intptr"
; ※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 JetExternalRestore2W(WORD* szCheckpointFilePath, WORD* szLogPath, JET_RSTMAP_W* rgrstmap, INT crstfilemap, WORD* szBackupLogPath, JET_LOGINFO_W* pLogInfo, WORD* szTargetInstanceName, WORD* szTargetInstanceLogPath, WORD* szTargetInstanceCheckpointPath, JET_PFNSTATUS pfn)
#uselib "ESENT.dll"
#cfunc global JetExternalRestore2W "JetExternalRestore2W" intptr, intptr, intptr, int, intptr, intptr, intptr, intptr, intptr, intptr
; res = JetExternalRestore2W(varptr(szCheckpointFilePath), varptr(szLogPath), varptr(rgrstmap), crstfilemap, varptr(szBackupLogPath), varptr(pLogInfo), varptr(szTargetInstanceName), varptr(szTargetInstanceLogPath), varptr(szTargetInstanceCheckpointPath), pfn)
; szCheckpointFilePath : WORD* -> "intptr"
; szLogPath : WORD* -> "intptr"
; rgrstmap : JET_RSTMAP_W* optional -> "intptr"
; crstfilemap : INT -> "int"
; szBackupLogPath : WORD* -> "intptr"
; pLogInfo : JET_LOGINFO_W* in/out -> "intptr"
; szTargetInstanceName : WORD* optional -> "intptr"
; szTargetInstanceLogPath : WORD* optional -> "intptr"
; szTargetInstanceCheckpointPath : WORD* optional -> "intptr"
; pfn : JET_PFNSTATUS -> "intptr"
; ※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")
	procJetExternalRestore2W = esent.NewProc("JetExternalRestore2W")
)

// szCheckpointFilePath (WORD*), szLogPath (WORD*), rgrstmap (JET_RSTMAP_W* optional), crstfilemap (INT), szBackupLogPath (WORD*), pLogInfo (JET_LOGINFO_W* in/out), szTargetInstanceName (WORD* optional), szTargetInstanceLogPath (WORD* optional), szTargetInstanceCheckpointPath (WORD* optional), pfn (JET_PFNSTATUS)
r1, _, err := procJetExternalRestore2W.Call(
	uintptr(szCheckpointFilePath),
	uintptr(szLogPath),
	uintptr(rgrstmap),
	uintptr(crstfilemap),
	uintptr(szBackupLogPath),
	uintptr(pLogInfo),
	uintptr(szTargetInstanceName),
	uintptr(szTargetInstanceLogPath),
	uintptr(szTargetInstanceCheckpointPath),
	uintptr(pfn),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetExternalRestore2W(
  szCheckpointFilePath: Pointer;   // WORD*
  szLogPath: Pointer;   // WORD*
  rgrstmap: Pointer;   // JET_RSTMAP_W* optional
  crstfilemap: Integer;   // INT
  szBackupLogPath: Pointer;   // WORD*
  pLogInfo: Pointer;   // JET_LOGINFO_W* in/out
  szTargetInstanceName: Pointer;   // WORD* optional
  szTargetInstanceLogPath: Pointer;   // WORD* optional
  szTargetInstanceCheckpointPath: Pointer;   // WORD* optional
  pfn: Pointer   // JET_PFNSTATUS
): Integer; stdcall;
  external 'ESENT.dll' name 'JetExternalRestore2W';

result := DllCall("ESENT\JetExternalRestore2W"
    , "Ptr", szCheckpointFilePath   ; WORD*
    , "Ptr", szLogPath   ; WORD*
    , "Ptr", rgrstmap   ; JET_RSTMAP_W* optional
    , "Int", crstfilemap   ; INT
    , "Ptr", szBackupLogPath   ; WORD*
    , "Ptr", pLogInfo   ; JET_LOGINFO_W* in/out
    , "Ptr", szTargetInstanceName   ; WORD* optional
    , "Ptr", szTargetInstanceLogPath   ; WORD* optional
    , "Ptr", szTargetInstanceCheckpointPath   ; WORD* optional
    , "Ptr", pfn   ; JET_PFNSTATUS
    , "Int")   ; return: INT

●JetExternalRestore2W(szCheckpointFilePath, szLogPath, rgrstmap, crstfilemap, szBackupLogPath, pLogInfo, szTargetInstanceName, szTargetInstanceLogPath, szTargetInstanceCheckpointPath, pfn) = DLL("ESENT.dll", "int JetExternalRestore2W(void*, void*, void*, int, void*, void*, void*, void*, void*, void*)")
# 呼び出し: JetExternalRestore2W(szCheckpointFilePath, szLogPath, rgrstmap, crstfilemap, szBackupLogPath, pLogInfo, szTargetInstanceName, szTargetInstanceLogPath, szTargetInstanceCheckpointPath, pfn)
# szCheckpointFilePath : WORD* -> "void*"
# szLogPath : WORD* -> "void*"
# rgrstmap : JET_RSTMAP_W* optional -> "void*"
# crstfilemap : INT -> "int"
# szBackupLogPath : WORD* -> "void*"
# pLogInfo : JET_LOGINFO_W* in/out -> "void*"
# szTargetInstanceName : WORD* optional -> "void*"
# szTargetInstanceLogPath : WORD* optional -> "void*"
# szTargetInstanceCheckpointPath : WORD* optional -> "void*"
# pfn : JET_PFNSTATUS -> "void*"
# 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。