ホーム › Storage.FileSystem › AlignReservedLog
AlignReservedLog
関数CLFSログの予約領域に必要なアラインメント済みバイト数を算出する。
シグネチャ
// clfsw32.dll
#include <windows.h>
BOOL AlignReservedLog(
void* pvMarshal,
DWORD cReservedRecords,
LONGLONG* rgcbReservation,
LONGLONG* pcbAlignReservation
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pvMarshal | void* | inout |
| cReservedRecords | DWORD | in |
| rgcbReservation | LONGLONG* | inout |
| pcbAlignReservation | LONGLONG* | inout |
戻り値の型: BOOL
各言語での呼び出し定義
// clfsw32.dll
#include <windows.h>
BOOL AlignReservedLog(
void* pvMarshal,
DWORD cReservedRecords,
LONGLONG* rgcbReservation,
LONGLONG* pcbAlignReservation
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("clfsw32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool AlignReservedLog(
IntPtr pvMarshal, // void* in/out
uint cReservedRecords, // DWORD
ref long rgcbReservation, // LONGLONG* in/out
ref long pcbAlignReservation // LONGLONG* in/out
);<DllImport("clfsw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function AlignReservedLog(
pvMarshal As IntPtr, ' void* in/out
cReservedRecords As UInteger, ' DWORD
ByRef rgcbReservation As Long, ' LONGLONG* in/out
ByRef pcbAlignReservation As Long ' LONGLONG* in/out
) As Boolean
End Function' pvMarshal : void* in/out
' cReservedRecords : DWORD
' rgcbReservation : LONGLONG* in/out
' pcbAlignReservation : LONGLONG* in/out
Declare PtrSafe Function AlignReservedLog Lib "clfsw32" ( _
ByVal pvMarshal As LongPtr, _
ByVal cReservedRecords As Long, _
ByRef rgcbReservation As LongLong, _
ByRef pcbAlignReservation As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
AlignReservedLog = ctypes.windll.clfsw32.AlignReservedLog
AlignReservedLog.restype = wintypes.BOOL
AlignReservedLog.argtypes = [
ctypes.POINTER(None), # pvMarshal : void* in/out
wintypes.DWORD, # cReservedRecords : DWORD
ctypes.POINTER(ctypes.c_longlong), # rgcbReservation : LONGLONG* in/out
ctypes.POINTER(ctypes.c_longlong), # pcbAlignReservation : LONGLONG* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('clfsw32.dll')
AlignReservedLog = Fiddle::Function.new(
lib['AlignReservedLog'],
[
Fiddle::TYPE_VOIDP, # pvMarshal : void* in/out
-Fiddle::TYPE_INT, # cReservedRecords : DWORD
Fiddle::TYPE_VOIDP, # rgcbReservation : LONGLONG* in/out
Fiddle::TYPE_VOIDP, # pcbAlignReservation : LONGLONG* in/out
],
Fiddle::TYPE_INT)#[link(name = "clfsw32")]
extern "system" {
fn AlignReservedLog(
pvMarshal: *mut (), // void* in/out
cReservedRecords: u32, // DWORD
rgcbReservation: *mut i64, // LONGLONG* in/out
pcbAlignReservation: *mut i64 // LONGLONG* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("clfsw32.dll", SetLastError = true)]
public static extern bool AlignReservedLog(IntPtr pvMarshal, uint cReservedRecords, ref long rgcbReservation, ref long pcbAlignReservation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'clfsw32_AlignReservedLog' -Namespace Win32 -PassThru
# $api::AlignReservedLog(pvMarshal, cReservedRecords, rgcbReservation, pcbAlignReservation)#uselib "clfsw32.dll"
#func global AlignReservedLog "AlignReservedLog" sptr, sptr, sptr, sptr
; AlignReservedLog pvMarshal, cReservedRecords, varptr(rgcbReservation), varptr(pcbAlignReservation) ; 戻り値は stat
; pvMarshal : void* in/out -> "sptr"
; cReservedRecords : DWORD -> "sptr"
; rgcbReservation : LONGLONG* in/out -> "sptr"
; pcbAlignReservation : LONGLONG* in/out -> "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 "clfsw32.dll" #cfunc global AlignReservedLog "AlignReservedLog" sptr, int, var, var ; res = AlignReservedLog(pvMarshal, cReservedRecords, rgcbReservation, pcbAlignReservation) ; pvMarshal : void* in/out -> "sptr" ; cReservedRecords : DWORD -> "int" ; rgcbReservation : LONGLONG* in/out -> "var" ; pcbAlignReservation : LONGLONG* in/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 "clfsw32.dll" #cfunc global AlignReservedLog "AlignReservedLog" sptr, int, sptr, sptr ; res = AlignReservedLog(pvMarshal, cReservedRecords, varptr(rgcbReservation), varptr(pcbAlignReservation)) ; pvMarshal : void* in/out -> "sptr" ; cReservedRecords : DWORD -> "int" ; rgcbReservation : LONGLONG* in/out -> "sptr" ; pcbAlignReservation : LONGLONG* in/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 AlignReservedLog(void* pvMarshal, DWORD cReservedRecords, LONGLONG* rgcbReservation, LONGLONG* pcbAlignReservation) #uselib "clfsw32.dll" #cfunc global AlignReservedLog "AlignReservedLog" intptr, int, var, var ; res = AlignReservedLog(pvMarshal, cReservedRecords, rgcbReservation, pcbAlignReservation) ; pvMarshal : void* in/out -> "intptr" ; cReservedRecords : DWORD -> "int" ; rgcbReservation : LONGLONG* in/out -> "var" ; pcbAlignReservation : LONGLONG* in/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 AlignReservedLog(void* pvMarshal, DWORD cReservedRecords, LONGLONG* rgcbReservation, LONGLONG* pcbAlignReservation) #uselib "clfsw32.dll" #cfunc global AlignReservedLog "AlignReservedLog" intptr, int, intptr, intptr ; res = AlignReservedLog(pvMarshal, cReservedRecords, varptr(rgcbReservation), varptr(pcbAlignReservation)) ; pvMarshal : void* in/out -> "intptr" ; cReservedRecords : DWORD -> "int" ; rgcbReservation : LONGLONG* in/out -> "intptr" ; pcbAlignReservation : LONGLONG* in/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 (
clfsw32 = windows.NewLazySystemDLL("clfsw32.dll")
procAlignReservedLog = clfsw32.NewProc("AlignReservedLog")
)
// pvMarshal (void* in/out), cReservedRecords (DWORD), rgcbReservation (LONGLONG* in/out), pcbAlignReservation (LONGLONG* in/out)
r1, _, err := procAlignReservedLog.Call(
uintptr(pvMarshal),
uintptr(cReservedRecords),
uintptr(rgcbReservation),
uintptr(pcbAlignReservation),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction AlignReservedLog(
pvMarshal: Pointer; // void* in/out
cReservedRecords: DWORD; // DWORD
rgcbReservation: Pointer; // LONGLONG* in/out
pcbAlignReservation: Pointer // LONGLONG* in/out
): BOOL; stdcall;
external 'clfsw32.dll' name 'AlignReservedLog';result := DllCall("clfsw32\AlignReservedLog"
, "Ptr", pvMarshal ; void* in/out
, "UInt", cReservedRecords ; DWORD
, "Ptr", rgcbReservation ; LONGLONG* in/out
, "Ptr", pcbAlignReservation ; LONGLONG* in/out
, "Int") ; return: BOOL●AlignReservedLog(pvMarshal, cReservedRecords, rgcbReservation, pcbAlignReservation) = DLL("clfsw32.dll", "bool AlignReservedLog(void*, dword, void*, void*)")
# 呼び出し: AlignReservedLog(pvMarshal, cReservedRecords, rgcbReservation, pcbAlignReservation)
# pvMarshal : void* in/out -> "void*"
# cReservedRecords : DWORD -> "dword"
# rgcbReservation : LONGLONG* in/out -> "void*"
# pcbAlignReservation : LONGLONG* in/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)。