NdrConvert2

関数

受信RPCバッファのデータ表現を端数指定で変換する。

DLLRPCRT4.dll呼出規約winapi

シグネチャ

// RPCRT4.dll
#include <windows.h>

void NdrConvert2(
    MIDL_STUB_MESSAGE* pStubMsg,
    BYTE* pFormat,
    INT NumberParams
);

パラメーター

名前	型	方向
pStubMsg	MIDL_STUB_MESSAGE*	inout
pFormat	BYTE*	inout
NumberParams	INT	in

戻り値の型: void

各言語での呼び出し定義

// RPCRT4.dll
#include <windows.h>

void NdrConvert2(
    MIDL_STUB_MESSAGE* pStubMsg,
    BYTE* pFormat,
    INT NumberParams
);

[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern void NdrConvert2(
    IntPtr pStubMsg,   // MIDL_STUB_MESSAGE* in/out
    IntPtr pFormat,   // BYTE* in/out
    int NumberParams   // INT
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Sub NdrConvert2(
    pStubMsg As IntPtr,   ' MIDL_STUB_MESSAGE* in/out
    pFormat As IntPtr,   ' BYTE* in/out
    NumberParams As Integer   ' INT
)
End Sub

' pStubMsg : MIDL_STUB_MESSAGE* in/out
' pFormat : BYTE* in/out
' NumberParams : INT
Declare PtrSafe Sub NdrConvert2 Lib "rpcrt4" ( _
    ByVal pStubMsg As LongPtr, _
    ByVal pFormat As LongPtr, _
    ByVal NumberParams As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

NdrConvert2 = ctypes.windll.rpcrt4.NdrConvert2
NdrConvert2.restype = None
NdrConvert2.argtypes = [
    ctypes.c_void_p,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # pFormat : BYTE* in/out
    ctypes.c_int,  # NumberParams : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
NdrConvert2 = Fiddle::Function.new(
  lib['NdrConvert2'],
  [
    Fiddle::TYPE_VOIDP,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    Fiddle::TYPE_VOIDP,  # pFormat : BYTE* in/out
    Fiddle::TYPE_INT,  # NumberParams : INT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "rpcrt4")]
extern "system" {
    fn NdrConvert2(
        pStubMsg: *mut MIDL_STUB_MESSAGE,  // MIDL_STUB_MESSAGE* in/out
        pFormat: *mut u8,  // BYTE* in/out
        NumberParams: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern void NdrConvert2(IntPtr pStubMsg, IntPtr pFormat, int NumberParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_NdrConvert2' -Namespace Win32 -PassThru
# $api::NdrConvert2(pStubMsg, pFormat, NumberParams)

#uselib "RPCRT4.dll"
#func global NdrConvert2 "NdrConvert2" sptr, sptr, sptr
; NdrConvert2 varptr(pStubMsg), varptr(pFormat), NumberParams
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr"
; pFormat : BYTE* in/out -> "sptr"
; NumberParams : INT -> "sptr"

出力引数:

#uselib "RPCRT4.dll"
#func global NdrConvert2 "NdrConvert2" var, var, int
; NdrConvert2 pStubMsg, pFormat, NumberParams
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var"
; pFormat : BYTE* in/out -> "var"
; NumberParams : INT -> "int"
; ※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"
#func global NdrConvert2 "NdrConvert2" sptr, sptr, int
; NdrConvert2 varptr(pStubMsg), varptr(pFormat), NumberParams
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr"
; pFormat : BYTE* in/out -> "sptr"
; NumberParams : INT -> "int"
; ※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:

; void NdrConvert2(MIDL_STUB_MESSAGE* pStubMsg, BYTE* pFormat, INT NumberParams)
#uselib "RPCRT4.dll"
#func global NdrConvert2 "NdrConvert2" var, var, int
; NdrConvert2 pStubMsg, pFormat, NumberParams
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var"
; pFormat : BYTE* in/out -> "var"
; NumberParams : INT -> "int"
; ※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。; void NdrConvert2(MIDL_STUB_MESSAGE* pStubMsg, BYTE* pFormat, INT NumberParams)
#uselib "RPCRT4.dll"
#func global NdrConvert2 "NdrConvert2" intptr, intptr, int
; NdrConvert2 varptr(pStubMsg), varptr(pFormat), NumberParams
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "intptr"
; pFormat : BYTE* in/out -> "intptr"
; NumberParams : INT -> "int"
; ※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")
	procNdrConvert2 = rpcrt4.NewProc("NdrConvert2")
)

// pStubMsg (MIDL_STUB_MESSAGE* in/out), pFormat (BYTE* in/out), NumberParams (INT)
r1, _, err := procNdrConvert2.Call(
	uintptr(pStubMsg),
	uintptr(pFormat),
	uintptr(NumberParams),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure NdrConvert2(
  pStubMsg: Pointer;   // MIDL_STUB_MESSAGE* in/out
  pFormat: Pointer;   // BYTE* in/out
  NumberParams: Integer   // INT
); stdcall;
  external 'RPCRT4.dll' name 'NdrConvert2';

result := DllCall("RPCRT4\NdrConvert2"
    , "Ptr", pStubMsg   ; MIDL_STUB_MESSAGE* in/out
    , "Ptr", pFormat   ; BYTE* in/out
    , "Int", NumberParams   ; INT
    , "Int")   ; return: void

●NdrConvert2(pStubMsg, pFormat, NumberParams) = DLL("RPCRT4.dll", "int NdrConvert2(void*, void*, int)")
# 呼び出し: NdrConvert2(pStubMsg, pFormat, NumberParams)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> "void*"
# pFormat : BYTE* in/out -> "void*"
# NumberParams : INT -> "int"
# 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)。