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NdrNsGetBuffer
関数名前サービス自動ハンドル用のRPCバッファを取得する。
シグネチャ
// RPCRT4.dll
#include <windows.h>
BYTE* NdrNsGetBuffer(
MIDL_STUB_MESSAGE* pStubMsg,
DWORD BufferLength,
void* Handle
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| pStubMsg | MIDL_STUB_MESSAGE* | inout | 送信バッファを取得する対象のMIDLスタブメッセージ構造体へのポインター。 |
| BufferLength | DWORD | in | 確保する送信バッファのサイズをバイト単位で指定する値。 |
| Handle | void* | inout | 名前サービス(NS)利用時の自動バインディングハンドル。接続先解決に用いる。 |
戻り値の型: BYTE*
各言語での呼び出し定義
// RPCRT4.dll
#include <windows.h>
BYTE* NdrNsGetBuffer(
MIDL_STUB_MESSAGE* pStubMsg,
DWORD BufferLength,
void* Handle
);[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern IntPtr NdrNsGetBuffer(
IntPtr pStubMsg, // MIDL_STUB_MESSAGE* in/out
uint BufferLength, // DWORD
IntPtr Handle // void* in/out
);<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function NdrNsGetBuffer(
pStubMsg As IntPtr, ' MIDL_STUB_MESSAGE* in/out
BufferLength As UInteger, ' DWORD
Handle As IntPtr ' void* in/out
) As IntPtr
End Function' pStubMsg : MIDL_STUB_MESSAGE* in/out
' BufferLength : DWORD
' Handle : void* in/out
Declare PtrSafe Function NdrNsGetBuffer Lib "rpcrt4" ( _
ByVal pStubMsg As LongPtr, _
ByVal BufferLength As Long, _
ByVal Handle As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
NdrNsGetBuffer = ctypes.windll.rpcrt4.NdrNsGetBuffer
NdrNsGetBuffer.restype = ctypes.c_void_p
NdrNsGetBuffer.argtypes = [
ctypes.c_void_p, # pStubMsg : MIDL_STUB_MESSAGE* in/out
wintypes.DWORD, # BufferLength : DWORD
ctypes.POINTER(None), # Handle : void* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('RPCRT4.dll')
NdrNsGetBuffer = Fiddle::Function.new(
lib['NdrNsGetBuffer'],
[
Fiddle::TYPE_VOIDP, # pStubMsg : MIDL_STUB_MESSAGE* in/out
-Fiddle::TYPE_INT, # BufferLength : DWORD
Fiddle::TYPE_VOIDP, # Handle : void* in/out
],
Fiddle::TYPE_VOIDP)#[link(name = "rpcrt4")]
extern "system" {
fn NdrNsGetBuffer(
pStubMsg: *mut MIDL_STUB_MESSAGE, // MIDL_STUB_MESSAGE* in/out
BufferLength: u32, // DWORD
Handle: *mut () // void* in/out
) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("RPCRT4.dll")]
public static extern IntPtr NdrNsGetBuffer(IntPtr pStubMsg, uint BufferLength, IntPtr Handle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_NdrNsGetBuffer' -Namespace Win32 -PassThru
# $api::NdrNsGetBuffer(pStubMsg, BufferLength, Handle)#uselib "RPCRT4.dll"
#func global NdrNsGetBuffer "NdrNsGetBuffer" sptr, sptr, sptr
; NdrNsGetBuffer varptr(pStubMsg), BufferLength, Handle ; 戻り値は stat
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr"
; BufferLength : DWORD -> "sptr"
; Handle : 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。出力引数:
#uselib "RPCRT4.dll" #cfunc global NdrNsGetBuffer "NdrNsGetBuffer" var, int, sptr ; res = NdrNsGetBuffer(pStubMsg, BufferLength, Handle) ; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var" ; BufferLength : DWORD -> "int" ; Handle : void* in/out -> "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 "RPCRT4.dll" #cfunc global NdrNsGetBuffer "NdrNsGetBuffer" sptr, int, sptr ; res = NdrNsGetBuffer(varptr(pStubMsg), BufferLength, Handle) ; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr" ; BufferLength : DWORD -> "int" ; Handle : void* 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:
; BYTE* NdrNsGetBuffer(MIDL_STUB_MESSAGE* pStubMsg, DWORD BufferLength, void* Handle) #uselib "RPCRT4.dll" #cfunc global NdrNsGetBuffer "NdrNsGetBuffer" var, int, intptr ; res = NdrNsGetBuffer(pStubMsg, BufferLength, Handle) ; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var" ; BufferLength : DWORD -> "int" ; Handle : void* in/out -> "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。; BYTE* NdrNsGetBuffer(MIDL_STUB_MESSAGE* pStubMsg, DWORD BufferLength, void* Handle) #uselib "RPCRT4.dll" #cfunc global NdrNsGetBuffer "NdrNsGetBuffer" intptr, int, intptr ; res = NdrNsGetBuffer(varptr(pStubMsg), BufferLength, Handle) ; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "intptr" ; BufferLength : DWORD -> "int" ; Handle : void* 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 (
rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
procNdrNsGetBuffer = rpcrt4.NewProc("NdrNsGetBuffer")
)
// pStubMsg (MIDL_STUB_MESSAGE* in/out), BufferLength (DWORD), Handle (void* in/out)
r1, _, err := procNdrNsGetBuffer.Call(
uintptr(pStubMsg),
uintptr(BufferLength),
uintptr(Handle),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BYTE*function NdrNsGetBuffer(
pStubMsg: Pointer; // MIDL_STUB_MESSAGE* in/out
BufferLength: DWORD; // DWORD
Handle: Pointer // void* in/out
): Pointer; stdcall;
external 'RPCRT4.dll' name 'NdrNsGetBuffer';result := DllCall("RPCRT4\NdrNsGetBuffer"
, "Ptr", pStubMsg ; MIDL_STUB_MESSAGE* in/out
, "UInt", BufferLength ; DWORD
, "Ptr", Handle ; void* in/out
, "Ptr") ; return: BYTE*●NdrNsGetBuffer(pStubMsg, BufferLength, Handle) = DLL("RPCRT4.dll", "void* NdrNsGetBuffer(void*, dword, void*)")
# 呼び出し: NdrNsGetBuffer(pStubMsg, BufferLength, Handle)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> "void*"
# BufferLength : DWORD -> "dword"
# Handle : 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)。const std = @import("std");
extern "rpcrt4" fn NdrNsGetBuffer(
pStubMsg: [*c]MIDL_STUB_MESSAGE, // MIDL_STUB_MESSAGE* in/out
BufferLength: u32, // DWORD
Handle: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) [*c]u8;proc NdrNsGetBuffer(
pStubMsg: ptr MIDL_STUB_MESSAGE, # MIDL_STUB_MESSAGE* in/out
BufferLength: uint32, # DWORD
Handle: pointer # void* in/out
): ptr uint8 {.importc: "NdrNsGetBuffer", stdcall, dynlib: "RPCRT4.dll".}pragma(lib, "rpcrt4");
extern(Windows)
ubyte* NdrNsGetBuffer(
MIDL_STUB_MESSAGE* pStubMsg, // MIDL_STUB_MESSAGE* in/out
uint BufferLength, // DWORD
void* Handle // void* in/out
);ccall((:NdrNsGetBuffer, "RPCRT4.dll"), stdcall, Ptr{UInt8},
(Ptr{MIDL_STUB_MESSAGE}, UInt32, Ptr{Cvoid}),
pStubMsg, BufferLength, Handle)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> Ptr{MIDL_STUB_MESSAGE}
# BufferLength : DWORD -> UInt32
# Handle : void* in/out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
uint8_t* NdrNsGetBuffer(
void* pStubMsg,
uint32_t BufferLength,
void* Handle);
]]
local rpcrt4 = ffi.load("rpcrt4")
-- rpcrt4.NdrNsGetBuffer(pStubMsg, BufferLength, Handle)
-- pStubMsg : MIDL_STUB_MESSAGE* in/out
-- BufferLength : DWORD
-- Handle : void* in/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。const koffi = require('koffi');
const lib = koffi.load('RPCRT4.dll');
const NdrNsGetBuffer = lib.func('__stdcall', 'NdrNsGetBuffer', 'uint8_t *', ['void *', 'uint32_t', 'void *']);
// NdrNsGetBuffer(pStubMsg, BufferLength, Handle)
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> 'void *'
// BufferLength : DWORD -> 'uint32_t'
// Handle : void* in/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("RPCRT4.dll", {
NdrNsGetBuffer: { parameters: ["pointer", "u32", "pointer"], result: "pointer" },
});
// lib.symbols.NdrNsGetBuffer(pStubMsg, BufferLength, Handle)
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> "pointer"
// BufferLength : DWORD -> "u32"
// Handle : void* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
uint8_t* NdrNsGetBuffer(
void* pStubMsg,
uint32_t BufferLength,
void* Handle);
C, "RPCRT4.dll");
// $ffi->NdrNsGetBuffer(pStubMsg, BufferLength, Handle);
// pStubMsg : MIDL_STUB_MESSAGE* in/out
// BufferLength : DWORD
// Handle : void* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Rpcrt4 extends StdCallLibrary {
Rpcrt4 INSTANCE = Native.load("rpcrt4", Rpcrt4.class);
Pointer NdrNsGetBuffer(
Pointer pStubMsg, // MIDL_STUB_MESSAGE* in/out
int BufferLength, // DWORD
Pointer Handle // void* in/out
);
}@[Link("rpcrt4")]
lib LibRPCRT4
fun NdrNsGetBuffer = NdrNsGetBuffer(
pStubMsg : MIDL_STUB_MESSAGE*, # MIDL_STUB_MESSAGE* in/out
BufferLength : UInt32, # DWORD
Handle : Void* # void* in/out
) : UInt8*
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef NdrNsGetBufferNative = Pointer<Uint8> Function(Pointer<Void>, Uint32, Pointer<Void>);
typedef NdrNsGetBufferDart = Pointer<Uint8> Function(Pointer<Void>, int, Pointer<Void>);
final NdrNsGetBuffer = DynamicLibrary.open('RPCRT4.dll')
.lookupFunction<NdrNsGetBufferNative, NdrNsGetBufferDart>('NdrNsGetBuffer');
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> Pointer<Void>
// BufferLength : DWORD -> Uint32
// Handle : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function NdrNsGetBuffer(
pStubMsg: Pointer; // MIDL_STUB_MESSAGE* in/out
BufferLength: DWORD; // DWORD
Handle: Pointer // void* in/out
): Pointer; stdcall;
external 'RPCRT4.dll' name 'NdrNsGetBuffer';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "NdrNsGetBuffer"
c_NdrNsGetBuffer :: Ptr () -> Word32 -> Ptr () -> IO (Ptr Word8)
-- pStubMsg : MIDL_STUB_MESSAGE* in/out -> Ptr ()
-- BufferLength : DWORD -> Word32
-- Handle : void* in/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 ndrnsgetbuffer =
foreign "NdrNsGetBuffer"
((ptr void) @-> uint32_t @-> (ptr void) @-> returning (ptr uint8_t))
(* pStubMsg : MIDL_STUB_MESSAGE* in/out -> (ptr void) *)
(* BufferLength : DWORD -> uint32_t *)
(* Handle : void* in/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 rpcrt4 (t "RPCRT4.dll"))
(cffi:use-foreign-library rpcrt4)
(cffi:defcfun ("NdrNsGetBuffer" ndr-ns-get-buffer :convention :stdcall) :pointer
(p-stub-msg :pointer) ; MIDL_STUB_MESSAGE* in/out
(buffer-length :uint32) ; DWORD
(handle :pointer)) ; void* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $NdrNsGetBuffer = Win32::API::More->new('RPCRT4',
'LPVOID NdrNsGetBuffer(LPVOID pStubMsg, DWORD BufferLength, LPVOID Handle)');
# my $ret = $NdrNsGetBuffer->Call($pStubMsg, $BufferLength, $Handle);
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> LPVOID
# BufferLength : DWORD -> DWORD
# Handle : void* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
使用する型