GetLogIoStatistics

// clfsw32.dll
#include <windows.h>

BOOL GetLogIoStatistics(
    HANDLE hLog,
    void* pvStatsBuffer,
    DWORD cbStatsBuffer,
    CLFS_IOSTATS_CLASS eStatsClass,
    DWORD* pcbStatsWritten
);

<DllImport("clfsw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetLogIoStatistics(
    hLog As IntPtr,   ' HANDLE
    pvStatsBuffer As IntPtr,   ' void* in/out
    cbStatsBuffer As UInteger,   ' DWORD
    eStatsClass As Integer,   ' CLFS_IOSTATS_CLASS
    ByRef pcbStatsWritten As UInteger   ' DWORD* in/out
) As Boolean
End Function

' hLog : HANDLE
' pvStatsBuffer : void* in/out
' cbStatsBuffer : DWORD
' eStatsClass : CLFS_IOSTATS_CLASS
' pcbStatsWritten : DWORD* in/out
Declare PtrSafe Function GetLogIoStatistics Lib "clfsw32" ( _
    ByVal hLog As LongPtr, _
    ByVal pvStatsBuffer As LongPtr, _
    ByVal cbStatsBuffer As Long, _
    ByVal eStatsClass As Long, _
    ByRef pcbStatsWritten 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

GetLogIoStatistics = ctypes.windll.clfsw32.GetLogIoStatistics
GetLogIoStatistics.restype = wintypes.BOOL
GetLogIoStatistics.argtypes = [
    wintypes.HANDLE,  # hLog : HANDLE
    ctypes.POINTER(None),  # pvStatsBuffer : void* in/out
    wintypes.DWORD,  # cbStatsBuffer : DWORD
    ctypes.c_int,  # eStatsClass : CLFS_IOSTATS_CLASS
    ctypes.POINTER(wintypes.DWORD),  # pcbStatsWritten : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('clfsw32.dll')
GetLogIoStatistics = Fiddle::Function.new(
  lib['GetLogIoStatistics'],
  [
    Fiddle::TYPE_VOIDP,  # hLog : HANDLE
    Fiddle::TYPE_VOIDP,  # pvStatsBuffer : void* in/out
    -Fiddle::TYPE_INT,  # cbStatsBuffer : DWORD
    Fiddle::TYPE_INT,  # eStatsClass : CLFS_IOSTATS_CLASS
    Fiddle::TYPE_VOIDP,  # pcbStatsWritten : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "clfsw32")]
extern "system" {
    fn GetLogIoStatistics(
        hLog: *mut core::ffi::c_void,  // HANDLE
        pvStatsBuffer: *mut (),  // void* in/out
        cbStatsBuffer: u32,  // DWORD
        eStatsClass: i32,  // CLFS_IOSTATS_CLASS
        pcbStatsWritten: *mut u32  // DWORD* 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 GetLogIoStatistics(IntPtr hLog, IntPtr pvStatsBuffer, uint cbStatsBuffer, int eStatsClass, ref uint pcbStatsWritten);
"@
$api = Add-Type -MemberDefinition $sig -Name 'clfsw32_GetLogIoStatistics' -Namespace Win32 -PassThru
# $api::GetLogIoStatistics(hLog, pvStatsBuffer, cbStatsBuffer, eStatsClass, pcbStatsWritten)

#uselib "clfsw32.dll"
#func global GetLogIoStatistics "GetLogIoStatistics" sptr, sptr, sptr, sptr, sptr
; GetLogIoStatistics hLog, pvStatsBuffer, cbStatsBuffer, eStatsClass, varptr(pcbStatsWritten)   ; 戻り値は stat
; hLog : HANDLE -> "sptr"
; pvStatsBuffer : void* in/out -> "sptr"
; cbStatsBuffer : DWORD -> "sptr"
; eStatsClass : CLFS_IOSTATS_CLASS -> "sptr"
; pcbStatsWritten : DWORD* 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。

#uselib "clfsw32.dll"
#cfunc global GetLogIoStatistics "GetLogIoStatistics" sptr, sptr, int, int, var
; res = GetLogIoStatistics(hLog, pvStatsBuffer, cbStatsBuffer, eStatsClass, pcbStatsWritten)
; hLog : HANDLE -> "sptr"
; pvStatsBuffer : void* in/out -> "sptr"
; cbStatsBuffer : DWORD -> "int"
; eStatsClass : CLFS_IOSTATS_CLASS -> "int"
; pcbStatsWritten : DWORD* 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 GetLogIoStatistics(HANDLE hLog, void* pvStatsBuffer, DWORD cbStatsBuffer, CLFS_IOSTATS_CLASS eStatsClass, DWORD* pcbStatsWritten)
#uselib "clfsw32.dll"
#cfunc global GetLogIoStatistics "GetLogIoStatistics" intptr, intptr, int, int, var
; res = GetLogIoStatistics(hLog, pvStatsBuffer, cbStatsBuffer, eStatsClass, pcbStatsWritten)
; hLog : HANDLE -> "intptr"
; pvStatsBuffer : void* in/out -> "intptr"
; cbStatsBuffer : DWORD -> "int"
; eStatsClass : CLFS_IOSTATS_CLASS -> "int"
; pcbStatsWritten : DWORD* 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。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	clfsw32 = windows.NewLazySystemDLL("clfsw32.dll")
	procGetLogIoStatistics = clfsw32.NewProc("GetLogIoStatistics")
)

// hLog (HANDLE), pvStatsBuffer (void* in/out), cbStatsBuffer (DWORD), eStatsClass (CLFS_IOSTATS_CLASS), pcbStatsWritten (DWORD* in/out)
r1, _, err := procGetLogIoStatistics.Call(
	uintptr(hLog),
	uintptr(pvStatsBuffer),
	uintptr(cbStatsBuffer),
	uintptr(eStatsClass),
	uintptr(pcbStatsWritten),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetLogIoStatistics(
  hLog: THandle;   // HANDLE
  pvStatsBuffer: Pointer;   // void* in/out
  cbStatsBuffer: DWORD;   // DWORD
  eStatsClass: Integer;   // CLFS_IOSTATS_CLASS
  pcbStatsWritten: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'clfsw32.dll' name 'GetLogIoStatistics';

result := DllCall("clfsw32\GetLogIoStatistics"
    , "Ptr", hLog   ; HANDLE
    , "Ptr", pvStatsBuffer   ; void* in/out
    , "UInt", cbStatsBuffer   ; DWORD
    , "Int", eStatsClass   ; CLFS_IOSTATS_CLASS
    , "Ptr", pcbStatsWritten   ; DWORD* in/out
    , "Int")   ; return: BOOL

●GetLogIoStatistics(hLog, pvStatsBuffer, cbStatsBuffer, eStatsClass, pcbStatsWritten) = DLL("clfsw32.dll", "bool GetLogIoStatistics(void*, void*, dword, int, void*)")
# 呼び出し: GetLogIoStatistics(hLog, pvStatsBuffer, cbStatsBuffer, eStatsClass, pcbStatsWritten)
# hLog : HANDLE -> "void*"
# pvStatsBuffer : void* in/out -> "void*"
# cbStatsBuffer : DWORD -> "dword"
# eStatsClass : CLFS_IOSTATS_CLASS -> "int"
# pcbStatsWritten : DWORD* 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)。