CallNamedPipeA

関数

名前付きパイプへ接続し送受信を一括実行する(ANSI版)。

DLLKERNEL32.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows 2000 以降

シグネチャ

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

BOOL CallNamedPipeA(
    LPCSTR lpNamedPipeName,
    void* lpInBuffer,   // optional
    DWORD nInBufferSize,
    void* lpOutBuffer,   // optional
    DWORD nOutBufferSize,
    DWORD* lpBytesRead,
    DWORD nTimeOut
);

パラメーター

名前	型	方向	説明
lpNamedPipeName	LPCSTR	in	接続して送受信する名前付きパイプの名前(ANSI)を指定する。
lpInBuffer	void*	inoptional	パイプへ書き込むデータを格納したバッファを指定する。
nInBufferSize	DWORD	in	lpInBufferのサイズ(バイト)を指定する。
lpOutBuffer	void*	outoptional	パイプから読み取った応答データを受け取るバッファを指定する。
nOutBufferSize	DWORD	in	lpOutBufferのサイズ(バイト)を指定する。
lpBytesRead	DWORD*	out	lpOutBufferへ読み取られたバイト数を受け取る出力先。
nTimeOut	DWORD	in	パイプが利用可能になるまで待機する時間(ミリ秒)。NMPWAIT_*定数指定可。

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

BOOL CallNamedPipeA(
    LPCSTR lpNamedPipeName,
    void* lpInBuffer,   // optional
    DWORD nInBufferSize,
    void* lpOutBuffer,   // optional
    DWORD nOutBufferSize,
    DWORD* lpBytesRead,
    DWORD nTimeOut
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool CallNamedPipeA(
    [MarshalAs(UnmanagedType.LPStr)] string lpNamedPipeName,   // LPCSTR
    IntPtr lpInBuffer,   // void* optional
    uint nInBufferSize,   // DWORD
    IntPtr lpOutBuffer,   // void* optional, out
    uint nOutBufferSize,   // DWORD
    out uint lpBytesRead,   // DWORD* out
    uint nTimeOut   // DWORD
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CallNamedPipeA(
    <MarshalAs(UnmanagedType.LPStr)> lpNamedPipeName As String,   ' LPCSTR
    lpInBuffer As IntPtr,   ' void* optional
    nInBufferSize As UInteger,   ' DWORD
    lpOutBuffer As IntPtr,   ' void* optional, out
    nOutBufferSize As UInteger,   ' DWORD
    <Out> ByRef lpBytesRead As UInteger,   ' DWORD* out
    nTimeOut As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' lpNamedPipeName : LPCSTR
' lpInBuffer : void* optional
' nInBufferSize : DWORD
' lpOutBuffer : void* optional, out
' nOutBufferSize : DWORD
' lpBytesRead : DWORD* out
' nTimeOut : DWORD
Declare PtrSafe Function CallNamedPipeA Lib "kernel32" ( _
    ByVal lpNamedPipeName As String, _
    ByVal lpInBuffer As LongPtr, _
    ByVal nInBufferSize As Long, _
    ByVal lpOutBuffer As LongPtr, _
    ByVal nOutBufferSize As Long, _
    ByRef lpBytesRead As Long, _
    ByVal nTimeOut 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

CallNamedPipeA = ctypes.windll.kernel32.CallNamedPipeA
CallNamedPipeA.restype = wintypes.BOOL
CallNamedPipeA.argtypes = [
    wintypes.LPCSTR,  # lpNamedPipeName : LPCSTR
    ctypes.POINTER(None),  # lpInBuffer : void* optional
    wintypes.DWORD,  # nInBufferSize : DWORD
    ctypes.POINTER(None),  # lpOutBuffer : void* optional, out
    wintypes.DWORD,  # nOutBufferSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpBytesRead : DWORD* out
    wintypes.DWORD,  # nTimeOut : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
CallNamedPipeA = Fiddle::Function.new(
  lib['CallNamedPipeA'],
  [
    Fiddle::TYPE_VOIDP,  # lpNamedPipeName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpInBuffer : void* optional
    -Fiddle::TYPE_INT,  # nInBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpOutBuffer : void* optional, out
    -Fiddle::TYPE_INT,  # nOutBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpBytesRead : DWORD* out
    -Fiddle::TYPE_INT,  # nTimeOut : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn CallNamedPipeA(
        lpNamedPipeName: *const u8,  // LPCSTR
        lpInBuffer: *mut (),  // void* optional
        nInBufferSize: u32,  // DWORD
        lpOutBuffer: *mut (),  // void* optional, out
        nOutBufferSize: u32,  // DWORD
        lpBytesRead: *mut u32,  // DWORD* out
        nTimeOut: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool CallNamedPipeA([MarshalAs(UnmanagedType.LPStr)] string lpNamedPipeName, IntPtr lpInBuffer, uint nInBufferSize, IntPtr lpOutBuffer, uint nOutBufferSize, out uint lpBytesRead, uint nTimeOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_CallNamedPipeA' -Namespace Win32 -PassThru
# $api::CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)

#uselib "KERNEL32.dll"
#func global CallNamedPipeA "CallNamedPipeA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CallNamedPipeA lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, varptr(lpBytesRead), nTimeOut   ; 戻り値は stat
; lpNamedPipeName : LPCSTR -> "sptr"
; lpInBuffer : void* optional -> "sptr"
; nInBufferSize : DWORD -> "sptr"
; lpOutBuffer : void* optional, out -> "sptr"
; nOutBufferSize : DWORD -> "sptr"
; lpBytesRead : DWORD* out -> "sptr"
; nTimeOut : 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 "KERNEL32.dll"
#cfunc global CallNamedPipeA "CallNamedPipeA" str, sptr, int, sptr, int, var, int
; res = CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
; lpNamedPipeName : LPCSTR -> "str"
; lpInBuffer : void* optional -> "sptr"
; nInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "sptr"
; nOutBufferSize : DWORD -> "int"
; lpBytesRead : DWORD* out -> "var"
; nTimeOut : 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 "KERNEL32.dll"
#cfunc global CallNamedPipeA "CallNamedPipeA" str, sptr, int, sptr, int, sptr, int
; res = CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, varptr(lpBytesRead), nTimeOut)
; lpNamedPipeName : LPCSTR -> "str"
; lpInBuffer : void* optional -> "sptr"
; nInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "sptr"
; nOutBufferSize : DWORD -> "int"
; lpBytesRead : DWORD* out -> "sptr"
; nTimeOut : 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:

; BOOL CallNamedPipeA(LPCSTR lpNamedPipeName, void* lpInBuffer, DWORD nInBufferSize, void* lpOutBuffer, DWORD nOutBufferSize, DWORD* lpBytesRead, DWORD nTimeOut)
#uselib "KERNEL32.dll"
#cfunc global CallNamedPipeA "CallNamedPipeA" str, intptr, int, intptr, int, var, int
; res = CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
; lpNamedPipeName : LPCSTR -> "str"
; lpInBuffer : void* optional -> "intptr"
; nInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "intptr"
; nOutBufferSize : DWORD -> "int"
; lpBytesRead : DWORD* out -> "var"
; nTimeOut : 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。; BOOL CallNamedPipeA(LPCSTR lpNamedPipeName, void* lpInBuffer, DWORD nInBufferSize, void* lpOutBuffer, DWORD nOutBufferSize, DWORD* lpBytesRead, DWORD nTimeOut)
#uselib "KERNEL32.dll"
#cfunc global CallNamedPipeA "CallNamedPipeA" str, intptr, int, intptr, int, intptr, int
; res = CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, varptr(lpBytesRead), nTimeOut)
; lpNamedPipeName : LPCSTR -> "str"
; lpInBuffer : void* optional -> "intptr"
; nInBufferSize : DWORD -> "int"
; lpOutBuffer : void* optional, out -> "intptr"
; nOutBufferSize : DWORD -> "int"
; lpBytesRead : DWORD* out -> "intptr"
; nTimeOut : 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procCallNamedPipeA = kernel32.NewProc("CallNamedPipeA")
)

// lpNamedPipeName (LPCSTR), lpInBuffer (void* optional), nInBufferSize (DWORD), lpOutBuffer (void* optional, out), nOutBufferSize (DWORD), lpBytesRead (DWORD* out), nTimeOut (DWORD)
r1, _, err := procCallNamedPipeA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpNamedPipeName))),
	uintptr(lpInBuffer),
	uintptr(nInBufferSize),
	uintptr(lpOutBuffer),
	uintptr(nOutBufferSize),
	uintptr(lpBytesRead),
	uintptr(nTimeOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CallNamedPipeA(
  lpNamedPipeName: PAnsiChar;   // LPCSTR
  lpInBuffer: Pointer;   // void* optional
  nInBufferSize: DWORD;   // DWORD
  lpOutBuffer: Pointer;   // void* optional, out
  nOutBufferSize: DWORD;   // DWORD
  lpBytesRead: Pointer;   // DWORD* out
  nTimeOut: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'CallNamedPipeA';

result := DllCall("KERNEL32\CallNamedPipeA"
    , "AStr", lpNamedPipeName   ; LPCSTR
    , "Ptr", lpInBuffer   ; void* optional
    , "UInt", nInBufferSize   ; DWORD
    , "Ptr", lpOutBuffer   ; void* optional, out
    , "UInt", nOutBufferSize   ; DWORD
    , "Ptr", lpBytesRead   ; DWORD* out
    , "UInt", nTimeOut   ; DWORD
    , "Int")   ; return: BOOL

●CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut) = DLL("KERNEL32.dll", "bool CallNamedPipeA(char*, void*, dword, void*, dword, void*, dword)")
# 呼び出し: CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
# lpNamedPipeName : LPCSTR -> "char*"
# lpInBuffer : void* optional -> "void*"
# nInBufferSize : DWORD -> "dword"
# lpOutBuffer : void* optional, out -> "void*"
# nOutBufferSize : DWORD -> "dword"
# lpBytesRead : DWORD* out -> "void*"
# nTimeOut : 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)。

const std = @import("std");

extern "kernel32" fn CallNamedPipeA(
    lpNamedPipeName: [*c]const u8, // LPCSTR
    lpInBuffer: ?*anyopaque, // void* optional
    nInBufferSize: u32, // DWORD
    lpOutBuffer: ?*anyopaque, // void* optional, out
    nOutBufferSize: u32, // DWORD
    lpBytesRead: [*c]u32, // DWORD* out
    nTimeOut: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc CallNamedPipeA(
    lpNamedPipeName: cstring,  # LPCSTR
    lpInBuffer: pointer,  # void* optional
    nInBufferSize: uint32,  # DWORD
    lpOutBuffer: pointer,  # void* optional, out
    nOutBufferSize: uint32,  # DWORD
    lpBytesRead: ptr uint32,  # DWORD* out
    nTimeOut: uint32  # DWORD
): int32 {.importc: "CallNamedPipeA", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int CallNamedPipeA(
    const(char)* lpNamedPipeName,   // LPCSTR
    void* lpInBuffer,   // void* optional
    uint nInBufferSize,   // DWORD
    void* lpOutBuffer,   // void* optional, out
    uint nOutBufferSize,   // DWORD
    uint* lpBytesRead,   // DWORD* out
    uint nTimeOut   // DWORD
);

ccall((:CallNamedPipeA, "KERNEL32.dll"), stdcall, Int32,
      (Cstring, Ptr{Cvoid}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}, UInt32),
      lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
# lpNamedPipeName : LPCSTR -> Cstring
# lpInBuffer : void* optional -> Ptr{Cvoid}
# nInBufferSize : DWORD -> UInt32
# lpOutBuffer : void* optional, out -> Ptr{Cvoid}
# nOutBufferSize : DWORD -> UInt32
# lpBytesRead : DWORD* out -> Ptr{UInt32}
# nTimeOut : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CallNamedPipeA(
    const char* lpNamedPipeName,
    void* lpInBuffer,
    uint32_t nInBufferSize,
    void* lpOutBuffer,
    uint32_t nOutBufferSize,
    uint32_t* lpBytesRead,
    uint32_t nTimeOut);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
-- lpNamedPipeName : LPCSTR
-- lpInBuffer : void* optional
-- nInBufferSize : DWORD
-- lpOutBuffer : void* optional, out
-- nOutBufferSize : DWORD
-- lpBytesRead : DWORD* out
-- nTimeOut : DWORD
-- 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('KERNEL32.dll');
const CallNamedPipeA = lib.func('__stdcall', 'CallNamedPipeA', 'int32_t', ['str', 'void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *', 'uint32_t']);
// CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
// lpNamedPipeName : LPCSTR -> 'str'
// lpInBuffer : void* optional -> 'void *'
// nInBufferSize : DWORD -> 'uint32_t'
// lpOutBuffer : void* optional, out -> 'void *'
// nOutBufferSize : DWORD -> 'uint32_t'
// lpBytesRead : DWORD* out -> 'uint32_t *'
// nTimeOut : DWORD -> 'uint32_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("KERNEL32.dll", {
  CallNamedPipeA: { parameters: ["buffer", "pointer", "u32", "pointer", "u32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut)
// lpNamedPipeName : LPCSTR -> "buffer"
// lpInBuffer : void* optional -> "pointer"
// nInBufferSize : DWORD -> "u32"
// lpOutBuffer : void* optional, out -> "pointer"
// nOutBufferSize : DWORD -> "u32"
// lpBytesRead : DWORD* out -> "pointer"
// nTimeOut : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t CallNamedPipeA(
    const char* lpNamedPipeName,
    void* lpInBuffer,
    uint32_t nInBufferSize,
    void* lpOutBuffer,
    uint32_t nOutBufferSize,
    uint32_t* lpBytesRead,
    uint32_t nTimeOut);
C, "KERNEL32.dll");
// $ffi->CallNamedPipeA(lpNamedPipeName, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesRead, nTimeOut);
// lpNamedPipeName : LPCSTR
// lpInBuffer : void* optional
// nInBufferSize : DWORD
// lpOutBuffer : void* optional, out
// nOutBufferSize : DWORD
// lpBytesRead : DWORD* out
// nTimeOut : DWORD
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class, W32APIOptions.ASCII_OPTIONS);
    boolean CallNamedPipeA(
        String lpNamedPipeName,   // LPCSTR
        Pointer lpInBuffer,   // void* optional
        int nInBufferSize,   // DWORD
        Pointer lpOutBuffer,   // void* optional, out
        int nOutBufferSize,   // DWORD
        IntByReference lpBytesRead,   // DWORD* out
        int nTimeOut   // DWORD
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun CallNamedPipeA = CallNamedPipeA(
    lpNamedPipeName : UInt8*,   # LPCSTR
    lpInBuffer : Void*,   # void* optional
    nInBufferSize : UInt32,   # DWORD
    lpOutBuffer : Void*,   # void* optional, out
    nOutBufferSize : UInt32,   # DWORD
    lpBytesRead : UInt32*,   # DWORD* out
    nTimeOut : UInt32   # DWORD
  ) : 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 CallNamedPipeANative = Int32 Function(Pointer<Utf8>, Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>, Uint32);
typedef CallNamedPipeADart = int Function(Pointer<Utf8>, Pointer<Void>, int, Pointer<Void>, int, Pointer<Uint32>, int);
final CallNamedPipeA = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<CallNamedPipeANative, CallNamedPipeADart>('CallNamedPipeA');
// lpNamedPipeName : LPCSTR -> Pointer<Utf8>
// lpInBuffer : void* optional -> Pointer<Void>
// nInBufferSize : DWORD -> Uint32
// lpOutBuffer : void* optional, out -> Pointer<Void>
// nOutBufferSize : DWORD -> Uint32
// lpBytesRead : DWORD* out -> Pointer<Uint32>
// nTimeOut : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CallNamedPipeA(
  lpNamedPipeName: PAnsiChar;   // LPCSTR
  lpInBuffer: Pointer;   // void* optional
  nInBufferSize: DWORD;   // DWORD
  lpOutBuffer: Pointer;   // void* optional, out
  nOutBufferSize: DWORD;   // DWORD
  lpBytesRead: Pointer;   // DWORD* out
  nTimeOut: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'CallNamedPipeA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CallNamedPipeA"
  c_CallNamedPipeA :: CString -> Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> Word32 -> IO CInt
-- lpNamedPipeName : LPCSTR -> CString
-- lpInBuffer : void* optional -> Ptr ()
-- nInBufferSize : DWORD -> Word32
-- lpOutBuffer : void* optional, out -> Ptr ()
-- nOutBufferSize : DWORD -> Word32
-- lpBytesRead : DWORD* out -> Ptr Word32
-- nTimeOut : DWORD -> Word32
-- 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 callnamedpipea =
  foreign "CallNamedPipeA"
    (string @-> (ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* lpNamedPipeName : LPCSTR -> string *)
(* lpInBuffer : void* optional -> (ptr void) *)
(* nInBufferSize : DWORD -> uint32_t *)
(* lpOutBuffer : void* optional, out -> (ptr void) *)
(* nOutBufferSize : DWORD -> uint32_t *)
(* lpBytesRead : DWORD* out -> (ptr uint32_t) *)
(* nTimeOut : DWORD -> uint32_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("CallNamedPipeA" call-named-pipe-a :convention :stdcall) :int32
  (lp-named-pipe-name :string)   ; LPCSTR
  (lp-in-buffer :pointer)   ; void* optional
  (n-in-buffer-size :uint32)   ; DWORD
  (lp-out-buffer :pointer)   ; void* optional, out
  (n-out-buffer-size :uint32)   ; DWORD
  (lp-bytes-read :pointer)   ; DWORD* out
  (n-time-out :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CallNamedPipeA = Win32::API::More->new('KERNEL32',
    'BOOL CallNamedPipeA(LPCSTR lpNamedPipeName, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPVOID lpBytesRead, DWORD nTimeOut)');
# my $ret = $CallNamedPipeA->Call($lpNamedPipeName, $lpInBuffer, $nInBufferSize, $lpOutBuffer, $nOutBufferSize, $lpBytesRead, $nTimeOut);
# lpNamedPipeName : LPCSTR -> LPCSTR
# lpInBuffer : void* optional -> LPVOID
# nInBufferSize : DWORD -> DWORD
# lpOutBuffer : void* optional, out -> LPVOID
# nOutBufferSize : DWORD -> DWORD
# lpBytesRead : DWORD* out -> LPVOID
# nTimeOut : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

CallNamedPipeA

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目