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NdrMapCommAndFaultStatus

関数
通信状態と障害状態をRPCエラーコードに変換する。
DLLRPCRT4.dll呼出規約winapi

シグネチャ

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

RPC_STATUS NdrMapCommAndFaultStatus(
    MIDL_STUB_MESSAGE* pStubMsg,
    DWORD* pCommStatus,
    DWORD* pFaultStatus,
    RPC_STATUS Status
);

パラメーター

名前方向説明
pStubMsgMIDL_STUB_MESSAGE*inout状態マッピングに用いるMIDLスタブメッセージ構造体へのポインター。
pCommStatusDWORD*inout通信エラー(comm_status)を受け取るDWORDへのポインター。出力先。
pFaultStatusDWORD*inout呼び出し失敗(fault_status)を受け取るDWORDへのポインター。出力先。
StatusRPC_STATUSinRPCランタイムが返した元のRPC_STATUSコード。これを各状態へ振り分ける。

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 NdrMapCommAndFaultStatus(
    MIDL_STUB_MESSAGE* pStubMsg,
    DWORD* pCommStatus,
    DWORD* pFaultStatus,
    RPC_STATUS Status
);
[DllImport("RPCRT4.dll", ExactSpelling = true)]
static extern int NdrMapCommAndFaultStatus(
    IntPtr pStubMsg,   // MIDL_STUB_MESSAGE* in/out
    ref uint pCommStatus,   // DWORD* in/out
    ref uint pFaultStatus,   // DWORD* in/out
    int Status   // RPC_STATUS
);
<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function NdrMapCommAndFaultStatus(
    pStubMsg As IntPtr,   ' MIDL_STUB_MESSAGE* in/out
    ByRef pCommStatus As UInteger,   ' DWORD* in/out
    ByRef pFaultStatus As UInteger,   ' DWORD* in/out
    Status As Integer   ' RPC_STATUS
) As Integer
End Function
' pStubMsg : MIDL_STUB_MESSAGE* in/out
' pCommStatus : DWORD* in/out
' pFaultStatus : DWORD* in/out
' Status : RPC_STATUS
Declare PtrSafe Function NdrMapCommAndFaultStatus Lib "rpcrt4" ( _
    ByVal pStubMsg As LongPtr, _
    ByRef pCommStatus As Long, _
    ByRef pFaultStatus As Long, _
    ByVal Status 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

NdrMapCommAndFaultStatus = ctypes.windll.rpcrt4.NdrMapCommAndFaultStatus
NdrMapCommAndFaultStatus.restype = ctypes.c_int
NdrMapCommAndFaultStatus.argtypes = [
    ctypes.c_void_p,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    ctypes.POINTER(wintypes.DWORD),  # pCommStatus : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # pFaultStatus : DWORD* in/out
    ctypes.c_int,  # Status : RPC_STATUS
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
NdrMapCommAndFaultStatus = Fiddle::Function.new(
  lib['NdrMapCommAndFaultStatus'],
  [
    Fiddle::TYPE_VOIDP,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    Fiddle::TYPE_VOIDP,  # pCommStatus : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pFaultStatus : DWORD* in/out
    Fiddle::TYPE_INT,  # Status : RPC_STATUS
  ],
  Fiddle::TYPE_INT)
#[link(name = "rpcrt4")]
extern "system" {
    fn NdrMapCommAndFaultStatus(
        pStubMsg: *mut MIDL_STUB_MESSAGE,  // MIDL_STUB_MESSAGE* in/out
        pCommStatus: *mut u32,  // DWORD* in/out
        pFaultStatus: *mut u32,  // DWORD* in/out
        Status: i32  // RPC_STATUS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int NdrMapCommAndFaultStatus(IntPtr pStubMsg, ref uint pCommStatus, ref uint pFaultStatus, int Status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_NdrMapCommAndFaultStatus' -Namespace Win32 -PassThru
# $api::NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
#uselib "RPCRT4.dll"
#func global NdrMapCommAndFaultStatus "NdrMapCommAndFaultStatus" sptr, sptr, sptr, sptr
; NdrMapCommAndFaultStatus varptr(pStubMsg), varptr(pCommStatus), varptr(pFaultStatus), Status   ; 戻り値は stat
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr"
; pCommStatus : DWORD* in/out -> "sptr"
; pFaultStatus : DWORD* in/out -> "sptr"
; Status : RPC_STATUS -> "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 NdrMapCommAndFaultStatus "NdrMapCommAndFaultStatus" var, var, var, int
; res = NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var"
; pCommStatus : DWORD* in/out -> "var"
; pFaultStatus : DWORD* in/out -> "var"
; Status : RPC_STATUS -> "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。
出力引数:
; RPC_STATUS NdrMapCommAndFaultStatus(MIDL_STUB_MESSAGE* pStubMsg, DWORD* pCommStatus, DWORD* pFaultStatus, RPC_STATUS Status)
#uselib "RPCRT4.dll"
#cfunc global NdrMapCommAndFaultStatus "NdrMapCommAndFaultStatus" var, var, var, int
; res = NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var"
; pCommStatus : DWORD* in/out -> "var"
; pFaultStatus : DWORD* in/out -> "var"
; Status : RPC_STATUS -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procNdrMapCommAndFaultStatus = rpcrt4.NewProc("NdrMapCommAndFaultStatus")
)

// pStubMsg (MIDL_STUB_MESSAGE* in/out), pCommStatus (DWORD* in/out), pFaultStatus (DWORD* in/out), Status (RPC_STATUS)
r1, _, err := procNdrMapCommAndFaultStatus.Call(
	uintptr(pStubMsg),
	uintptr(pCommStatus),
	uintptr(pFaultStatus),
	uintptr(Status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS
function NdrMapCommAndFaultStatus(
  pStubMsg: Pointer;   // MIDL_STUB_MESSAGE* in/out
  pCommStatus: Pointer;   // DWORD* in/out
  pFaultStatus: Pointer;   // DWORD* in/out
  Status: Integer   // RPC_STATUS
): Integer; stdcall;
  external 'RPCRT4.dll' name 'NdrMapCommAndFaultStatus';
result := DllCall("RPCRT4\NdrMapCommAndFaultStatus"
    , "Ptr", pStubMsg   ; MIDL_STUB_MESSAGE* in/out
    , "Ptr", pCommStatus   ; DWORD* in/out
    , "Ptr", pFaultStatus   ; DWORD* in/out
    , "Int", Status   ; RPC_STATUS
    , "Int")   ; return: RPC_STATUS
●NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status) = DLL("RPCRT4.dll", "int NdrMapCommAndFaultStatus(void*, void*, void*, int)")
# 呼び出し: NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> "void*"
# pCommStatus : DWORD* in/out -> "void*"
# pFaultStatus : DWORD* in/out -> "void*"
# Status : RPC_STATUS -> "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)。
const std = @import("std");

extern "rpcrt4" fn NdrMapCommAndFaultStatus(
    pStubMsg: [*c]MIDL_STUB_MESSAGE, // MIDL_STUB_MESSAGE* in/out
    pCommStatus: [*c]u32, // DWORD* in/out
    pFaultStatus: [*c]u32, // DWORD* in/out
    Status: i32 // RPC_STATUS
) callconv(std.os.windows.WINAPI) i32;
proc NdrMapCommAndFaultStatus(
    pStubMsg: ptr MIDL_STUB_MESSAGE,  # MIDL_STUB_MESSAGE* in/out
    pCommStatus: ptr uint32,  # DWORD* in/out
    pFaultStatus: ptr uint32,  # DWORD* in/out
    Status: int32  # RPC_STATUS
): int32 {.importc: "NdrMapCommAndFaultStatus", stdcall, dynlib: "RPCRT4.dll".}
pragma(lib, "rpcrt4");
extern(Windows)
int NdrMapCommAndFaultStatus(
    MIDL_STUB_MESSAGE* pStubMsg,   // MIDL_STUB_MESSAGE* in/out
    uint* pCommStatus,   // DWORD* in/out
    uint* pFaultStatus,   // DWORD* in/out
    int Status   // RPC_STATUS
);
ccall((:NdrMapCommAndFaultStatus, "RPCRT4.dll"), stdcall, Int32,
      (Ptr{MIDL_STUB_MESSAGE}, Ptr{UInt32}, Ptr{UInt32}, Int32),
      pStubMsg, pCommStatus, pFaultStatus, Status)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> Ptr{MIDL_STUB_MESSAGE}
# pCommStatus : DWORD* in/out -> Ptr{UInt32}
# pFaultStatus : DWORD* in/out -> Ptr{UInt32}
# Status : RPC_STATUS -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t NdrMapCommAndFaultStatus(
    void* pStubMsg,
    uint32_t* pCommStatus,
    uint32_t* pFaultStatus,
    int32_t Status);
]]
local rpcrt4 = ffi.load("rpcrt4")
-- rpcrt4.NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
-- pStubMsg : MIDL_STUB_MESSAGE* in/out
-- pCommStatus : DWORD* in/out
-- pFaultStatus : DWORD* in/out
-- Status : RPC_STATUS
-- 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 NdrMapCommAndFaultStatus = lib.func('__stdcall', 'NdrMapCommAndFaultStatus', 'int32_t', ['void *', 'uint32_t *', 'uint32_t *', 'int32_t']);
// NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> 'void *'
// pCommStatus : DWORD* in/out -> 'uint32_t *'
// pFaultStatus : DWORD* in/out -> 'uint32_t *'
// Status : RPC_STATUS -> 'int32_t'
// 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", {
  NdrMapCommAndFaultStatus: { parameters: ["pointer", "pointer", "pointer", "i32"], result: "i32" },
});
// lib.symbols.NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status)
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> "pointer"
// pCommStatus : DWORD* in/out -> "pointer"
// pFaultStatus : DWORD* in/out -> "pointer"
// Status : RPC_STATUS -> "i32"
// 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
int32_t NdrMapCommAndFaultStatus(
    void* pStubMsg,
    uint32_t* pCommStatus,
    uint32_t* pFaultStatus,
    int32_t Status);
C, "RPCRT4.dll");
// $ffi->NdrMapCommAndFaultStatus(pStubMsg, pCommStatus, pFaultStatus, Status);
// pStubMsg : MIDL_STUB_MESSAGE* in/out
// pCommStatus : DWORD* in/out
// pFaultStatus : DWORD* in/out
// Status : RPC_STATUS
// 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);
    int NdrMapCommAndFaultStatus(
        Pointer pStubMsg,   // MIDL_STUB_MESSAGE* in/out
        IntByReference pCommStatus,   // DWORD* in/out
        IntByReference pFaultStatus,   // DWORD* in/out
        int Status   // RPC_STATUS
    );
}
@[Link("rpcrt4")]
lib LibRPCRT4
  fun NdrMapCommAndFaultStatus = NdrMapCommAndFaultStatus(
    pStubMsg : MIDL_STUB_MESSAGE*,   # MIDL_STUB_MESSAGE* in/out
    pCommStatus : UInt32*,   # DWORD* in/out
    pFaultStatus : UInt32*,   # DWORD* in/out
    Status : Int32   # RPC_STATUS
  ) : Int32
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 NdrMapCommAndFaultStatusNative = Int32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Int32);
typedef NdrMapCommAndFaultStatusDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, int);
final NdrMapCommAndFaultStatus = DynamicLibrary.open('RPCRT4.dll')
    .lookupFunction<NdrMapCommAndFaultStatusNative, NdrMapCommAndFaultStatusDart>('NdrMapCommAndFaultStatus');
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> Pointer<Void>
// pCommStatus : DWORD* in/out -> Pointer<Uint32>
// pFaultStatus : DWORD* in/out -> Pointer<Uint32>
// Status : RPC_STATUS -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function NdrMapCommAndFaultStatus(
  pStubMsg: Pointer;   // MIDL_STUB_MESSAGE* in/out
  pCommStatus: Pointer;   // DWORD* in/out
  pFaultStatus: Pointer;   // DWORD* in/out
  Status: Integer   // RPC_STATUS
): Integer; stdcall;
  external 'RPCRT4.dll' name 'NdrMapCommAndFaultStatus';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "NdrMapCommAndFaultStatus"
  c_NdrMapCommAndFaultStatus :: Ptr () -> Ptr Word32 -> Ptr Word32 -> Int32 -> IO Int32
-- pStubMsg : MIDL_STUB_MESSAGE* in/out -> Ptr ()
-- pCommStatus : DWORD* in/out -> Ptr Word32
-- pFaultStatus : DWORD* in/out -> Ptr Word32
-- Status : RPC_STATUS -> Int32
-- 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 ndrmapcommandfaultstatus =
  foreign "NdrMapCommAndFaultStatus"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> int32_t @-> returning int32_t)
(* pStubMsg : MIDL_STUB_MESSAGE* in/out -> (ptr void) *)
(* pCommStatus : DWORD* in/out -> (ptr uint32_t) *)
(* pFaultStatus : DWORD* in/out -> (ptr uint32_t) *)
(* Status : RPC_STATUS -> int32_t *)
(* 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 ("NdrMapCommAndFaultStatus" ndr-map-comm-and-fault-status :convention :stdcall) :int32
  (p-stub-msg :pointer)   ; MIDL_STUB_MESSAGE* in/out
  (p-comm-status :pointer)   ; DWORD* in/out
  (p-fault-status :pointer)   ; DWORD* in/out
  (status :int32))   ; RPC_STATUS
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $NdrMapCommAndFaultStatus = Win32::API::More->new('RPCRT4',
    'int NdrMapCommAndFaultStatus(LPVOID pStubMsg, LPVOID pCommStatus, LPVOID pFaultStatus, int Status)');
# my $ret = $NdrMapCommAndFaultStatus->Call($pStubMsg, $pCommStatus, $pFaultStatus, $Status);
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> LPVOID
# pCommStatus : DWORD* in/out -> LPVOID
# pFaultStatus : DWORD* in/out -> LPVOID
# Status : RPC_STATUS -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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