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SRSetRestorePointW
関数システムの復元ポイントを作成する(Unicode版)。
シグネチャ
// sfc.dll (Unicode / -W)
#include <windows.h>
BOOL SRSetRestorePointW(
RESTOREPOINTINFOW* pRestorePtSpec,
STATEMGRSTATUS* pSMgrStatus
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| pRestorePtSpec | RESTOREPOINTINFOW* | in | 作成する復元ポイントの種類や説明を指定する RESTOREPOINTINFOW 構造体へのポインター。 |
| pSMgrStatus | STATEMGRSTATUS* | out | 操作の結果ステータスを受け取る STATEMGRSTATUS 構造体へのポインター。 |
戻り値の型: BOOL
各言語での呼び出し定義
// sfc.dll (Unicode / -W)
#include <windows.h>
BOOL SRSetRestorePointW(
RESTOREPOINTINFOW* pRestorePtSpec,
STATEMGRSTATUS* pSMgrStatus
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("sfc.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern bool SRSetRestorePointW(
IntPtr pRestorePtSpec, // RESTOREPOINTINFOW*
IntPtr pSMgrStatus // STATEMGRSTATUS* out
);<DllImport("sfc.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SRSetRestorePointW(
pRestorePtSpec As IntPtr, ' RESTOREPOINTINFOW*
pSMgrStatus As IntPtr ' STATEMGRSTATUS* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' pRestorePtSpec : RESTOREPOINTINFOW*
' pSMgrStatus : STATEMGRSTATUS* out
Declare PtrSafe Function SRSetRestorePointW Lib "sfc" ( _
ByVal pRestorePtSpec As LongPtr, _
ByVal pSMgrStatus 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
SRSetRestorePointW = ctypes.windll.sfc.SRSetRestorePointW
SRSetRestorePointW.restype = wintypes.BOOL
SRSetRestorePointW.argtypes = [
ctypes.c_void_p, # pRestorePtSpec : RESTOREPOINTINFOW*
ctypes.c_void_p, # pSMgrStatus : STATEMGRSTATUS* out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('sfc.dll')
SRSetRestorePointW = Fiddle::Function.new(
lib['SRSetRestorePointW'],
[
Fiddle::TYPE_VOIDP, # pRestorePtSpec : RESTOREPOINTINFOW*
Fiddle::TYPE_VOIDP, # pSMgrStatus : STATEMGRSTATUS* out
],
Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "sfc")]
extern "system" {
fn SRSetRestorePointW(
pRestorePtSpec: *mut RESTOREPOINTINFOW, // RESTOREPOINTINFOW*
pSMgrStatus: *mut STATEMGRSTATUS // STATEMGRSTATUS* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("sfc.dll", CharSet = CharSet.Unicode)]
public static extern bool SRSetRestorePointW(IntPtr pRestorePtSpec, IntPtr pSMgrStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'sfc_SRSetRestorePointW' -Namespace Win32 -PassThru
# $api::SRSetRestorePointW(pRestorePtSpec, pSMgrStatus)#uselib "sfc.dll"
#func global SRSetRestorePointW "SRSetRestorePointW" wptr, wptr
; SRSetRestorePointW varptr(pRestorePtSpec), varptr(pSMgrStatus) ; 戻り値は stat
; pRestorePtSpec : RESTOREPOINTINFOW* -> "wptr"
; pSMgrStatus : STATEMGRSTATUS* out -> "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 "sfc.dll" #cfunc global SRSetRestorePointW "SRSetRestorePointW" var, var ; res = SRSetRestorePointW(pRestorePtSpec, pSMgrStatus) ; pRestorePtSpec : RESTOREPOINTINFOW* -> "var" ; pSMgrStatus : STATEMGRSTATUS* out -> "var" ; ※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 "sfc.dll" #cfunc global SRSetRestorePointW "SRSetRestorePointW" sptr, sptr ; res = SRSetRestorePointW(varptr(pRestorePtSpec), varptr(pSMgrStatus)) ; pRestorePtSpec : RESTOREPOINTINFOW* -> "sptr" ; pSMgrStatus : STATEMGRSTATUS* out -> "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:
; BOOL SRSetRestorePointW(RESTOREPOINTINFOW* pRestorePtSpec, STATEMGRSTATUS* pSMgrStatus) #uselib "sfc.dll" #cfunc global SRSetRestorePointW "SRSetRestorePointW" var, var ; res = SRSetRestorePointW(pRestorePtSpec, pSMgrStatus) ; pRestorePtSpec : RESTOREPOINTINFOW* -> "var" ; pSMgrStatus : STATEMGRSTATUS* out -> "var" ; ※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。; BOOL SRSetRestorePointW(RESTOREPOINTINFOW* pRestorePtSpec, STATEMGRSTATUS* pSMgrStatus) #uselib "sfc.dll" #cfunc global SRSetRestorePointW "SRSetRestorePointW" intptr, intptr ; res = SRSetRestorePointW(varptr(pRestorePtSpec), varptr(pSMgrStatus)) ; pRestorePtSpec : RESTOREPOINTINFOW* -> "intptr" ; pSMgrStatus : STATEMGRSTATUS* out -> "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 (
sfc = windows.NewLazySystemDLL("sfc.dll")
procSRSetRestorePointW = sfc.NewProc("SRSetRestorePointW")
)
// pRestorePtSpec (RESTOREPOINTINFOW*), pSMgrStatus (STATEMGRSTATUS* out)
r1, _, err := procSRSetRestorePointW.Call(
uintptr(pRestorePtSpec),
uintptr(pSMgrStatus),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction SRSetRestorePointW(
pRestorePtSpec: Pointer; // RESTOREPOINTINFOW*
pSMgrStatus: Pointer // STATEMGRSTATUS* out
): BOOL; stdcall;
external 'sfc.dll' name 'SRSetRestorePointW';result := DllCall("sfc\SRSetRestorePointW"
, "Ptr", pRestorePtSpec ; RESTOREPOINTINFOW*
, "Ptr", pSMgrStatus ; STATEMGRSTATUS* out
, "Int") ; return: BOOL●SRSetRestorePointW(pRestorePtSpec, pSMgrStatus) = DLL("sfc.dll", "bool SRSetRestorePointW(void*, void*)")
# 呼び出し: SRSetRestorePointW(pRestorePtSpec, pSMgrStatus)
# pRestorePtSpec : RESTOREPOINTINFOW* -> "void*"
# pSMgrStatus : STATEMGRSTATUS* out -> "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。const std = @import("std");
extern "sfc" fn SRSetRestorePointW(
pRestorePtSpec: [*c]RESTOREPOINTINFOW, // RESTOREPOINTINFOW*
pSMgrStatus: [*c]STATEMGRSTATUS // STATEMGRSTATUS* out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。proc SRSetRestorePointW(
pRestorePtSpec: ptr RESTOREPOINTINFOW, # RESTOREPOINTINFOW*
pSMgrStatus: ptr STATEMGRSTATUS # STATEMGRSTATUS* out
): int32 {.importc: "SRSetRestorePointW", stdcall, dynlib: "sfc.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。pragma(lib, "sfc");
extern(Windows)
int SRSetRestorePointW(
RESTOREPOINTINFOW* pRestorePtSpec, // RESTOREPOINTINFOW*
STATEMGRSTATUS* pSMgrStatus // STATEMGRSTATUS* out
);ccall((:SRSetRestorePointW, "sfc.dll"), stdcall, Int32,
(Ptr{RESTOREPOINTINFOW}, Ptr{STATEMGRSTATUS}),
pRestorePtSpec, pSMgrStatus)
# pRestorePtSpec : RESTOREPOINTINFOW* -> Ptr{RESTOREPOINTINFOW}
# pSMgrStatus : STATEMGRSTATUS* out -> Ptr{STATEMGRSTATUS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。local ffi = require("ffi")
ffi.cdef[[
int32_t SRSetRestorePointW(
void* pRestorePtSpec,
void* pSMgrStatus);
]]
local sfc = ffi.load("sfc")
-- sfc.SRSetRestorePointW(pRestorePtSpec, pSMgrStatus)
-- pRestorePtSpec : RESTOREPOINTINFOW*
-- pSMgrStatus : STATEMGRSTATUS* out
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。const koffi = require('koffi');
const lib = koffi.load('sfc.dll');
const SRSetRestorePointW = lib.func('__stdcall', 'SRSetRestorePointW', 'int32_t', ['void *', 'void *']);
// SRSetRestorePointW(pRestorePtSpec, pSMgrStatus)
// pRestorePtSpec : RESTOREPOINTINFOW* -> 'void *'
// pSMgrStatus : STATEMGRSTATUS* out -> 'void *'
// 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("sfc.dll", {
SRSetRestorePointW: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.SRSetRestorePointW(pRestorePtSpec, pSMgrStatus)
// pRestorePtSpec : RESTOREPOINTINFOW* -> "pointer"
// pSMgrStatus : STATEMGRSTATUS* out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t SRSetRestorePointW(
void* pRestorePtSpec,
void* pSMgrStatus);
C, "sfc.dll");
// $ffi->SRSetRestorePointW(pRestorePtSpec, pSMgrStatus);
// pRestorePtSpec : RESTOREPOINTINFOW*
// pSMgrStatus : STATEMGRSTATUS* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Sfc extends StdCallLibrary {
Sfc INSTANCE = Native.load("sfc", Sfc.class, W32APIOptions.UNICODE_OPTIONS);
boolean SRSetRestorePointW(
Pointer pRestorePtSpec, // RESTOREPOINTINFOW*
Pointer pSMgrStatus // STATEMGRSTATUS* out
);
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。@[Link("sfc")]
lib Libsfc
fun SRSetRestorePointW = SRSetRestorePointW(
pRestorePtSpec : RESTOREPOINTINFOW*, # RESTOREPOINTINFOW*
pSMgrStatus : STATEMGRSTATUS* # STATEMGRSTATUS* out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef SRSetRestorePointWNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef SRSetRestorePointWDart = int Function(Pointer<Void>, Pointer<Void>);
final SRSetRestorePointW = DynamicLibrary.open('sfc.dll')
.lookupFunction<SRSetRestorePointWNative, SRSetRestorePointWDart>('SRSetRestorePointW');
// pRestorePtSpec : RESTOREPOINTINFOW* -> Pointer<Void>
// pSMgrStatus : STATEMGRSTATUS* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SRSetRestorePointW(
pRestorePtSpec: Pointer; // RESTOREPOINTINFOW*
pSMgrStatus: Pointer // STATEMGRSTATUS* out
): BOOL; stdcall;
external 'sfc.dll' name 'SRSetRestorePointW';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SRSetRestorePointW"
c_SRSetRestorePointW :: Ptr () -> Ptr () -> IO CInt
-- pRestorePtSpec : RESTOREPOINTINFOW* -> Ptr ()
-- pSMgrStatus : STATEMGRSTATUS* out -> Ptr ()
-- 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 srsetrestorepointw =
foreign "SRSetRestorePointW"
((ptr void) @-> (ptr void) @-> returning int32_t)
(* pRestorePtSpec : RESTOREPOINTINFOW* -> (ptr void) *)
(* pSMgrStatus : STATEMGRSTATUS* out -> (ptr void) *)
(* 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 sfc (t "sfc.dll"))
(cffi:use-foreign-library sfc)
(cffi:defcfun ("SRSetRestorePointW" srset-restore-point-w :convention :stdcall) :int32
(p-restore-pt-spec :pointer) ; RESTOREPOINTINFOW*
(p-smgr-status :pointer)) ; STATEMGRSTATUS* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SRSetRestorePointW = Win32::API::More->new('sfc',
'BOOL SRSetRestorePointW(LPVOID pRestorePtSpec, LPVOID pSMgrStatus)');
# my $ret = $SRSetRestorePointW->Call($pRestorePtSpec, $pSMgrStatus);
# pRestorePtSpec : RESTOREPOINTINFOW* -> LPVOID
# pSMgrStatus : STATEMGRSTATUS* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。関連項目
文字セット違い
- f SRSetRestorePointA (ANSI版) — システムの復元ポイントを作成する(ANSI版)。