CreateLogMarshallingArea

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

BOOL CreateLogMarshallingArea(
    HANDLE hLog,
    CLFS_BLOCK_ALLOCATION pfnAllocBuffer,
    CLFS_BLOCK_DEALLOCATION pfnFreeBuffer,
    void* pvBlockAllocContext,
    DWORD cbMarshallingBuffer,
    DWORD cMaxWriteBuffers,
    DWORD cMaxReadBuffers,
    void** ppvMarshal
);

<DllImport("clfsw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CreateLogMarshallingArea(
    hLog As IntPtr,   ' HANDLE
    pfnAllocBuffer As IntPtr,   ' CLFS_BLOCK_ALLOCATION
    pfnFreeBuffer As IntPtr,   ' CLFS_BLOCK_DEALLOCATION
    pvBlockAllocContext As IntPtr,   ' void* in/out
    cbMarshallingBuffer As UInteger,   ' DWORD
    cMaxWriteBuffers As UInteger,   ' DWORD
    cMaxReadBuffers As UInteger,   ' DWORD
    ppvMarshal As IntPtr   ' void** in/out
) As Boolean
End Function

' hLog : HANDLE
' pfnAllocBuffer : CLFS_BLOCK_ALLOCATION
' pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION
' pvBlockAllocContext : void* in/out
' cbMarshallingBuffer : DWORD
' cMaxWriteBuffers : DWORD
' cMaxReadBuffers : DWORD
' ppvMarshal : void** in/out
Declare PtrSafe Function CreateLogMarshallingArea Lib "clfsw32" ( _
    ByVal hLog As LongPtr, _
    ByVal pfnAllocBuffer As LongPtr, _
    ByVal pfnFreeBuffer As LongPtr, _
    ByVal pvBlockAllocContext As LongPtr, _
    ByVal cbMarshallingBuffer As Long, _
    ByVal cMaxWriteBuffers As Long, _
    ByVal cMaxReadBuffers As Long, _
    ByVal ppvMarshal As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CreateLogMarshallingArea = ctypes.windll.clfsw32.CreateLogMarshallingArea
CreateLogMarshallingArea.restype = wintypes.BOOL
CreateLogMarshallingArea.argtypes = [
    wintypes.HANDLE,  # hLog : HANDLE
    ctypes.c_void_p,  # pfnAllocBuffer : CLFS_BLOCK_ALLOCATION
    ctypes.c_void_p,  # pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION
    ctypes.POINTER(None),  # pvBlockAllocContext : void* in/out
    wintypes.DWORD,  # cbMarshallingBuffer : DWORD
    wintypes.DWORD,  # cMaxWriteBuffers : DWORD
    wintypes.DWORD,  # cMaxReadBuffers : DWORD
    ctypes.c_void_p,  # ppvMarshal : void** in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('clfsw32.dll')
CreateLogMarshallingArea = Fiddle::Function.new(
  lib['CreateLogMarshallingArea'],
  [
    Fiddle::TYPE_VOIDP,  # hLog : HANDLE
    Fiddle::TYPE_VOIDP,  # pfnAllocBuffer : CLFS_BLOCK_ALLOCATION
    Fiddle::TYPE_VOIDP,  # pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION
    Fiddle::TYPE_VOIDP,  # pvBlockAllocContext : void* in/out
    -Fiddle::TYPE_INT,  # cbMarshallingBuffer : DWORD
    -Fiddle::TYPE_INT,  # cMaxWriteBuffers : DWORD
    -Fiddle::TYPE_INT,  # cMaxReadBuffers : DWORD
    Fiddle::TYPE_VOIDP,  # ppvMarshal : void** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "clfsw32")]
extern "system" {
    fn CreateLogMarshallingArea(
        hLog: *mut core::ffi::c_void,  // HANDLE
        pfnAllocBuffer: *const core::ffi::c_void,  // CLFS_BLOCK_ALLOCATION
        pfnFreeBuffer: *const core::ffi::c_void,  // CLFS_BLOCK_DEALLOCATION
        pvBlockAllocContext: *mut (),  // void* in/out
        cbMarshallingBuffer: u32,  // DWORD
        cMaxWriteBuffers: u32,  // DWORD
        cMaxReadBuffers: u32,  // DWORD
        ppvMarshal: *mut *mut ()  // void** 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 CreateLogMarshallingArea(IntPtr hLog, IntPtr pfnAllocBuffer, IntPtr pfnFreeBuffer, IntPtr pvBlockAllocContext, uint cbMarshallingBuffer, uint cMaxWriteBuffers, uint cMaxReadBuffers, IntPtr ppvMarshal);
"@
$api = Add-Type -MemberDefinition $sig -Name 'clfsw32_CreateLogMarshallingArea' -Namespace Win32 -PassThru
# $api::CreateLogMarshallingArea(hLog, pfnAllocBuffer, pfnFreeBuffer, pvBlockAllocContext, cbMarshallingBuffer, cMaxWriteBuffers, cMaxReadBuffers, ppvMarshal)

#uselib "clfsw32.dll"
#func global CreateLogMarshallingArea "CreateLogMarshallingArea" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CreateLogMarshallingArea hLog, pfnAllocBuffer, pfnFreeBuffer, pvBlockAllocContext, cbMarshallingBuffer, cMaxWriteBuffers, cMaxReadBuffers, ppvMarshal   ; 戻り値は stat
; hLog : HANDLE -> "sptr"
; pfnAllocBuffer : CLFS_BLOCK_ALLOCATION -> "sptr"
; pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION -> "sptr"
; pvBlockAllocContext : void* in/out -> "sptr"
; cbMarshallingBuffer : DWORD -> "sptr"
; cMaxWriteBuffers : DWORD -> "sptr"
; cMaxReadBuffers : DWORD -> "sptr"
; ppvMarshal : void** 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 CreateLogMarshallingArea "CreateLogMarshallingArea" sptr, sptr, sptr, sptr, int, int, int, sptr
; res = CreateLogMarshallingArea(hLog, pfnAllocBuffer, pfnFreeBuffer, pvBlockAllocContext, cbMarshallingBuffer, cMaxWriteBuffers, cMaxReadBuffers, ppvMarshal)
; hLog : HANDLE -> "sptr"
; pfnAllocBuffer : CLFS_BLOCK_ALLOCATION -> "sptr"
; pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION -> "sptr"
; pvBlockAllocContext : void* in/out -> "sptr"
; cbMarshallingBuffer : DWORD -> "int"
; cMaxWriteBuffers : DWORD -> "int"
; cMaxReadBuffers : DWORD -> "int"
; ppvMarshal : void** in/out -> "sptr"

; BOOL CreateLogMarshallingArea(HANDLE hLog, CLFS_BLOCK_ALLOCATION pfnAllocBuffer, CLFS_BLOCK_DEALLOCATION pfnFreeBuffer, void* pvBlockAllocContext, DWORD cbMarshallingBuffer, DWORD cMaxWriteBuffers, DWORD cMaxReadBuffers, void** ppvMarshal)
#uselib "clfsw32.dll"
#cfunc global CreateLogMarshallingArea "CreateLogMarshallingArea" intptr, intptr, intptr, intptr, int, int, int, intptr
; res = CreateLogMarshallingArea(hLog, pfnAllocBuffer, pfnFreeBuffer, pvBlockAllocContext, cbMarshallingBuffer, cMaxWriteBuffers, cMaxReadBuffers, ppvMarshal)
; hLog : HANDLE -> "intptr"
; pfnAllocBuffer : CLFS_BLOCK_ALLOCATION -> "intptr"
; pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION -> "intptr"
; pvBlockAllocContext : void* in/out -> "intptr"
; cbMarshallingBuffer : DWORD -> "int"
; cMaxWriteBuffers : DWORD -> "int"
; cMaxReadBuffers : DWORD -> "int"
; ppvMarshal : void** in/out -> "intptr"

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

var (
	clfsw32 = windows.NewLazySystemDLL("clfsw32.dll")
	procCreateLogMarshallingArea = clfsw32.NewProc("CreateLogMarshallingArea")
)

// hLog (HANDLE), pfnAllocBuffer (CLFS_BLOCK_ALLOCATION), pfnFreeBuffer (CLFS_BLOCK_DEALLOCATION), pvBlockAllocContext (void* in/out), cbMarshallingBuffer (DWORD), cMaxWriteBuffers (DWORD), cMaxReadBuffers (DWORD), ppvMarshal (void** in/out)
r1, _, err := procCreateLogMarshallingArea.Call(
	uintptr(hLog),
	uintptr(pfnAllocBuffer),
	uintptr(pfnFreeBuffer),
	uintptr(pvBlockAllocContext),
	uintptr(cbMarshallingBuffer),
	uintptr(cMaxWriteBuffers),
	uintptr(cMaxReadBuffers),
	uintptr(ppvMarshal),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CreateLogMarshallingArea(
  hLog: THandle;   // HANDLE
  pfnAllocBuffer: Pointer;   // CLFS_BLOCK_ALLOCATION
  pfnFreeBuffer: Pointer;   // CLFS_BLOCK_DEALLOCATION
  pvBlockAllocContext: Pointer;   // void* in/out
  cbMarshallingBuffer: DWORD;   // DWORD
  cMaxWriteBuffers: DWORD;   // DWORD
  cMaxReadBuffers: DWORD;   // DWORD
  ppvMarshal: Pointer   // void** in/out
): BOOL; stdcall;
  external 'clfsw32.dll' name 'CreateLogMarshallingArea';

result := DllCall("clfsw32\CreateLogMarshallingArea"
    , "Ptr", hLog   ; HANDLE
    , "Ptr", pfnAllocBuffer   ; CLFS_BLOCK_ALLOCATION
    , "Ptr", pfnFreeBuffer   ; CLFS_BLOCK_DEALLOCATION
    , "Ptr", pvBlockAllocContext   ; void* in/out
    , "UInt", cbMarshallingBuffer   ; DWORD
    , "UInt", cMaxWriteBuffers   ; DWORD
    , "UInt", cMaxReadBuffers   ; DWORD
    , "Ptr", ppvMarshal   ; void** in/out
    , "Int")   ; return: BOOL

●CreateLogMarshallingArea(hLog, pfnAllocBuffer, pfnFreeBuffer, pvBlockAllocContext, cbMarshallingBuffer, cMaxWriteBuffers, cMaxReadBuffers, ppvMarshal) = DLL("clfsw32.dll", "bool CreateLogMarshallingArea(void*, void*, void*, void*, dword, dword, dword, void*)")
# 呼び出し: CreateLogMarshallingArea(hLog, pfnAllocBuffer, pfnFreeBuffer, pvBlockAllocContext, cbMarshallingBuffer, cMaxWriteBuffers, cMaxReadBuffers, ppvMarshal)
# hLog : HANDLE -> "void*"
# pfnAllocBuffer : CLFS_BLOCK_ALLOCATION -> "void*"
# pfnFreeBuffer : CLFS_BLOCK_DEALLOCATION -> "void*"
# pvBlockAllocContext : void* in/out -> "void*"
# cbMarshallingBuffer : DWORD -> "dword"
# cMaxWriteBuffers : DWORD -> "dword"
# cMaxReadBuffers : DWORD -> "dword"
# ppvMarshal : void** 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)。