HcsEnumerateComputeSystemsInNamespace

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

HRESULT HcsEnumerateComputeSystemsInNamespace(
    LPCWSTR idNamespace,
    LPCWSTR query,   // optional
    HCS_OPERATION operation
);

<DllImport("computecore.dll", ExactSpelling:=True)>
Public Shared Function HcsEnumerateComputeSystemsInNamespace(
    <MarshalAs(UnmanagedType.LPWStr)> idNamespace As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> query As String,   ' LPCWSTR optional
    operation As IntPtr   ' HCS_OPERATION
) As Integer
End Function

' idNamespace : LPCWSTR
' query : LPCWSTR optional
' operation : HCS_OPERATION
Declare PtrSafe Function HcsEnumerateComputeSystemsInNamespace Lib "computecore" ( _
    ByVal idNamespace As LongPtr, _
    ByVal query As LongPtr, _
    ByVal operation As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HcsEnumerateComputeSystemsInNamespace = ctypes.windll.computecore.HcsEnumerateComputeSystemsInNamespace
HcsEnumerateComputeSystemsInNamespace.restype = ctypes.c_int
HcsEnumerateComputeSystemsInNamespace.argtypes = [
    wintypes.LPCWSTR,  # idNamespace : LPCWSTR
    wintypes.LPCWSTR,  # query : LPCWSTR optional
    wintypes.HANDLE,  # operation : HCS_OPERATION
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computecore.dll')
HcsEnumerateComputeSystemsInNamespace = Fiddle::Function.new(
  lib['HcsEnumerateComputeSystemsInNamespace'],
  [
    Fiddle::TYPE_VOIDP,  # idNamespace : LPCWSTR
    Fiddle::TYPE_VOIDP,  # query : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # operation : HCS_OPERATION
  ],
  Fiddle::TYPE_INT)

#[link(name = "computecore")]
extern "system" {
    fn HcsEnumerateComputeSystemsInNamespace(
        idNamespace: *const u16,  // LPCWSTR
        query: *const u16,  // LPCWSTR optional
        operation: *mut core::ffi::c_void  // HCS_OPERATION
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("computecore.dll")]
public static extern int HcsEnumerateComputeSystemsInNamespace([MarshalAs(UnmanagedType.LPWStr)] string idNamespace, [MarshalAs(UnmanagedType.LPWStr)] string query, IntPtr operation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computecore_HcsEnumerateComputeSystemsInNamespace' -Namespace Win32 -PassThru
# $api::HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)

#uselib "computecore.dll"
#func global HcsEnumerateComputeSystemsInNamespace "HcsEnumerateComputeSystemsInNamespace" sptr, sptr, sptr
; HcsEnumerateComputeSystemsInNamespace idNamespace, query, operation   ; 戻り値は stat
; idNamespace : LPCWSTR -> "sptr"
; query : LPCWSTR optional -> "sptr"
; operation : HCS_OPERATION -> "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。

#uselib "computecore.dll"
#cfunc global HcsEnumerateComputeSystemsInNamespace "HcsEnumerateComputeSystemsInNamespace" wstr, wstr, sptr
; res = HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)
; idNamespace : LPCWSTR -> "wstr"
; query : LPCWSTR optional -> "wstr"
; operation : HCS_OPERATION -> "sptr"

; HRESULT HcsEnumerateComputeSystemsInNamespace(LPCWSTR idNamespace, LPCWSTR query, HCS_OPERATION operation)
#uselib "computecore.dll"
#cfunc global HcsEnumerateComputeSystemsInNamespace "HcsEnumerateComputeSystemsInNamespace" wstr, wstr, intptr
; res = HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)
; idNamespace : LPCWSTR -> "wstr"
; query : LPCWSTR optional -> "wstr"
; operation : HCS_OPERATION -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	computecore = windows.NewLazySystemDLL("computecore.dll")
	procHcsEnumerateComputeSystemsInNamespace = computecore.NewProc("HcsEnumerateComputeSystemsInNamespace")
)

// idNamespace (LPCWSTR), query (LPCWSTR optional), operation (HCS_OPERATION)
r1, _, err := procHcsEnumerateComputeSystemsInNamespace.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(idNamespace))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(query))),
	uintptr(operation),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HcsEnumerateComputeSystemsInNamespace(
  idNamespace: PWideChar;   // LPCWSTR
  query: PWideChar;   // LPCWSTR optional
  operation: THandle   // HCS_OPERATION
): Integer; stdcall;
  external 'computecore.dll' name 'HcsEnumerateComputeSystemsInNamespace';

result := DllCall("computecore\HcsEnumerateComputeSystemsInNamespace"
    , "WStr", idNamespace   ; LPCWSTR
    , "WStr", query   ; LPCWSTR optional
    , "Ptr", operation   ; HCS_OPERATION
    , "Int")   ; return: HRESULT

●HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation) = DLL("computecore.dll", "int HcsEnumerateComputeSystemsInNamespace(char*, char*, void*)")
# 呼び出し: HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)
# idNamespace : LPCWSTR -> "char*"
# query : LPCWSTR optional -> "char*"
# operation : HCS_OPERATION -> "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 "computecore" fn HcsEnumerateComputeSystemsInNamespace(
    idNamespace: [*c]const u16, // LPCWSTR
    query: [*c]const u16, // LPCWSTR optional
    operation: ?*anyopaque // HCS_OPERATION
) callconv(std.os.windows.WINAPI) i32;

proc HcsEnumerateComputeSystemsInNamespace(
    idNamespace: WideCString,  # LPCWSTR
    query: WideCString,  # LPCWSTR optional
    operation: pointer  # HCS_OPERATION
): int32 {.importc: "HcsEnumerateComputeSystemsInNamespace", stdcall, dynlib: "computecore.dll".}

pragma(lib, "computecore");
extern(Windows)
int HcsEnumerateComputeSystemsInNamespace(
    const(wchar)* idNamespace,   // LPCWSTR
    const(wchar)* query,   // LPCWSTR optional
    void* operation   // HCS_OPERATION
);

ccall((:HcsEnumerateComputeSystemsInNamespace, "computecore.dll"), stdcall, Int32,
      (Cwstring, Cwstring, Ptr{Cvoid}),
      idNamespace, query, operation)
# idNamespace : LPCWSTR -> Cwstring
# query : LPCWSTR optional -> Cwstring
# operation : HCS_OPERATION -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t HcsEnumerateComputeSystemsInNamespace(
    const uint16_t* idNamespace,
    const uint16_t* query,
    void* operation);
]]
local computecore = ffi.load("computecore")
-- computecore.HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)
-- idNamespace : LPCWSTR
-- query : LPCWSTR optional
-- operation : HCS_OPERATION
-- 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('computecore.dll');
const HcsEnumerateComputeSystemsInNamespace = lib.func('__stdcall', 'HcsEnumerateComputeSystemsInNamespace', 'int32_t', ['str16', 'str16', 'void *']);
// HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)
// idNamespace : LPCWSTR -> 'str16'
// query : LPCWSTR optional -> 'str16'
// operation : HCS_OPERATION -> '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("computecore.dll", {
  HcsEnumerateComputeSystemsInNamespace: { parameters: ["buffer", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation)
// idNamespace : LPCWSTR -> "buffer"
// query : LPCWSTR optional -> "buffer"
// operation : HCS_OPERATION -> "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
int32_t HcsEnumerateComputeSystemsInNamespace(
    const uint16_t* idNamespace,
    const uint16_t* query,
    void* operation);
C, "computecore.dll");
// $ffi->HcsEnumerateComputeSystemsInNamespace(idNamespace, query, operation);
// idNamespace : LPCWSTR
// query : LPCWSTR optional
// operation : HCS_OPERATION
// 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 Computecore extends StdCallLibrary {
    Computecore INSTANCE = Native.load("computecore", Computecore.class);
    int HcsEnumerateComputeSystemsInNamespace(
        WString idNamespace,   // LPCWSTR
        WString query,   // LPCWSTR optional
        Pointer operation   // HCS_OPERATION
    );
}

@[Link("computecore")]
lib Libcomputecore
  fun HcsEnumerateComputeSystemsInNamespace = HcsEnumerateComputeSystemsInNamespace(
    idNamespace : UInt16*,   # LPCWSTR
    query : UInt16*,   # LPCWSTR optional
    operation : Void*   # HCS_OPERATION
  ) : 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 HcsEnumerateComputeSystemsInNamespaceNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>);
typedef HcsEnumerateComputeSystemsInNamespaceDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>);
final HcsEnumerateComputeSystemsInNamespace = DynamicLibrary.open('computecore.dll')
    .lookupFunction<HcsEnumerateComputeSystemsInNamespaceNative, HcsEnumerateComputeSystemsInNamespaceDart>('HcsEnumerateComputeSystemsInNamespace');
// idNamespace : LPCWSTR -> Pointer<Utf16>
// query : LPCWSTR optional -> Pointer<Utf16>
// operation : HCS_OPERATION -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function HcsEnumerateComputeSystemsInNamespace(
  idNamespace: PWideChar;   // LPCWSTR
  query: PWideChar;   // LPCWSTR optional
  operation: THandle   // HCS_OPERATION
): Integer; stdcall;
  external 'computecore.dll' name 'HcsEnumerateComputeSystemsInNamespace';

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

foreign import stdcall safe "HcsEnumerateComputeSystemsInNamespace"
  c_HcsEnumerateComputeSystemsInNamespace :: CWString -> CWString -> Ptr () -> IO Int32
-- idNamespace : LPCWSTR -> CWString
-- query : LPCWSTR optional -> CWString
-- operation : HCS_OPERATION -> 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 hcsenumeratecomputesystemsinnamespace =
  foreign "HcsEnumerateComputeSystemsInNamespace"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr void) @-> returning int32_t)
(* idNamespace : LPCWSTR -> (ptr uint16_t) *)
(* query : LPCWSTR optional -> (ptr uint16_t) *)
(* operation : HCS_OPERATION -> (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 computecore (t "computecore.dll"))
(cffi:use-foreign-library computecore)

(cffi:defcfun ("HcsEnumerateComputeSystemsInNamespace" hcs-enumerate-compute-systems-in-namespace :convention :stdcall) :int32
  (id-namespace (:string :encoding :utf-16le))   ; LPCWSTR
  (query (:string :encoding :utf-16le))   ; LPCWSTR optional
  (operation :pointer))   ; HCS_OPERATION
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $HcsEnumerateComputeSystemsInNamespace = Win32::API::More->new('computecore',
    'int HcsEnumerateComputeSystemsInNamespace(LPCWSTR idNamespace, LPCWSTR query, HANDLE operation)');
# my $ret = $HcsEnumerateComputeSystemsInNamespace->Call($idNamespace, $query, $operation);
# idNamespace : LPCWSTR -> LPCWSTR
# query : LPCWSTR optional -> LPCWSTR
# operation : HCS_OPERATION -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。