I_RpcReceive

関数

指定サイズでRPCメッセージを受信する内部関数。

DLLRPCRT4.dll呼出規約winapi

シグネチャ

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

RPC_STATUS I_RpcReceive(
    RPC_MESSAGE* Message,
    DWORD Size
);

パラメーター

名前	型	方向
Message	RPC_MESSAGE*	inout
Size	DWORD	in

戻り値の型: RPC_STATUS

各言語での呼び出し定義

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

RPC_STATUS I_RpcReceive(
    RPC_MESSAGE* Message,
    DWORD Size
);

[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern int I_RpcReceive(
    IntPtr Message,   // RPC_MESSAGE* in/out
    uint Size   // DWORD
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function I_RpcReceive(
    Message As IntPtr,   ' RPC_MESSAGE* in/out
    Size As UInteger   ' DWORD
) As Integer
End Function

' Message : RPC_MESSAGE* in/out
' Size : DWORD
Declare PtrSafe Function I_RpcReceive Lib "rpcrt4" ( _
    ByVal Message As LongPtr, _
    ByVal Size 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

I_RpcReceive = ctypes.windll.rpcrt4.I_RpcReceive
I_RpcReceive.restype = ctypes.c_int
I_RpcReceive.argtypes = [
    ctypes.c_void_p,  # Message : RPC_MESSAGE* in/out
    wintypes.DWORD,  # Size : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
I_RpcReceive = Fiddle::Function.new(
  lib['I_RpcReceive'],
  [
    Fiddle::TYPE_VOIDP,  # Message : RPC_MESSAGE* in/out
    -Fiddle::TYPE_INT,  # Size : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn I_RpcReceive(
        Message: *mut RPC_MESSAGE,  // RPC_MESSAGE* in/out
        Size: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int I_RpcReceive(IntPtr Message, uint Size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_I_RpcReceive' -Namespace Win32 -PassThru
# $api::I_RpcReceive(Message, Size)

#uselib "RPCRT4.dll"
#func global I_RpcReceive "I_RpcReceive" sptr, sptr
; I_RpcReceive varptr(Message), Size   ; 戻り値は stat
; Message : RPC_MESSAGE* in/out -> "sptr"
; Size : DWORD -> "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 I_RpcReceive "I_RpcReceive" var, int
; res = I_RpcReceive(Message, Size)
; Message : RPC_MESSAGE* in/out -> "var"
; Size : DWORD -> "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"
#cfunc global I_RpcReceive "I_RpcReceive" sptr, int
; res = I_RpcReceive(varptr(Message), Size)
; Message : RPC_MESSAGE* in/out -> "sptr"
; Size : DWORD -> "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:

; RPC_STATUS I_RpcReceive(RPC_MESSAGE* Message, DWORD Size)
#uselib "RPCRT4.dll"
#cfunc global I_RpcReceive "I_RpcReceive" var, int
; res = I_RpcReceive(Message, Size)
; Message : RPC_MESSAGE* in/out -> "var"
; Size : DWORD -> "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。; RPC_STATUS I_RpcReceive(RPC_MESSAGE* Message, DWORD Size)
#uselib "RPCRT4.dll"
#cfunc global I_RpcReceive "I_RpcReceive" intptr, int
; res = I_RpcReceive(varptr(Message), Size)
; Message : RPC_MESSAGE* in/out -> "intptr"
; Size : DWORD -> "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")
	procI_RpcReceive = rpcrt4.NewProc("I_RpcReceive")
)

// Message (RPC_MESSAGE* in/out), Size (DWORD)
r1, _, err := procI_RpcReceive.Call(
	uintptr(Message),
	uintptr(Size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function I_RpcReceive(
  Message: Pointer;   // RPC_MESSAGE* in/out
  Size: DWORD   // DWORD
): Integer; stdcall;
  external 'RPCRT4.dll' name 'I_RpcReceive';

result := DllCall("RPCRT4\I_RpcReceive"
    , "Ptr", Message   ; RPC_MESSAGE* in/out
    , "UInt", Size   ; DWORD
    , "Int")   ; return: RPC_STATUS

●I_RpcReceive(Message, Size) = DLL("RPCRT4.dll", "int I_RpcReceive(void*, dword)")
# 呼び出し: I_RpcReceive(Message, Size)
# Message : RPC_MESSAGE* in/out -> "void*"
# Size : DWORD -> "dword"
# 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)。