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WsGetHeapProperty
関数ヒープのプロパティ値を取得する。
シグネチャ
// webservices.dll
#include <windows.h>
HRESULT WsGetHeapProperty(
WS_HEAP* heap,
WS_HEAP_PROPERTY_ID id,
void* value,
DWORD valueSize,
WS_ERROR* error // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| heap | WS_HEAP* | in | 対象となるWS_HEAPヒープオブジェクトへのポインタ。 |
| id | WS_HEAP_PROPERTY_ID | in | 取得するプロパティを識別するWS_HEAP_PROPERTY_ID列挙値。 |
| value | void* | out | プロパティ値を受け取る出力バッファへのポインタ。 |
| valueSize | DWORD | in | valueバッファのバイトサイズを指定する。 |
| error | WS_ERROR* | inoptional | 詳細なエラー情報を格納するWS_ERRORオブジェクト。NULL可。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// webservices.dll
#include <windows.h>
HRESULT WsGetHeapProperty(
WS_HEAP* heap,
WS_HEAP_PROPERTY_ID id,
void* value,
DWORD valueSize,
WS_ERROR* error // optional
);[DllImport("webservices.dll", ExactSpelling = true)]
static extern int WsGetHeapProperty(
ref IntPtr heap, // WS_HEAP*
int id, // WS_HEAP_PROPERTY_ID
IntPtr value, // void* out
uint valueSize, // DWORD
IntPtr error // WS_ERROR* optional
);<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsGetHeapProperty(
ByRef heap As IntPtr, ' WS_HEAP*
id As Integer, ' WS_HEAP_PROPERTY_ID
value As IntPtr, ' void* out
valueSize As UInteger, ' DWORD
[error] As IntPtr ' WS_ERROR* optional
) As Integer
End Function' heap : WS_HEAP*
' id : WS_HEAP_PROPERTY_ID
' value : void* out
' valueSize : DWORD
' error : WS_ERROR* optional
Declare PtrSafe Function WsGetHeapProperty Lib "webservices" ( _
ByRef heap As LongPtr, _
ByVal id As Long, _
ByVal value As LongPtr, _
ByVal valueSize As Long, _
ByVal error 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
WsGetHeapProperty = ctypes.windll.webservices.WsGetHeapProperty
WsGetHeapProperty.restype = ctypes.c_int
WsGetHeapProperty.argtypes = [
ctypes.c_void_p, # heap : WS_HEAP*
ctypes.c_int, # id : WS_HEAP_PROPERTY_ID
ctypes.POINTER(None), # value : void* out
wintypes.DWORD, # valueSize : DWORD
ctypes.c_void_p, # error : WS_ERROR* optional
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('webservices.dll')
WsGetHeapProperty = Fiddle::Function.new(
lib['WsGetHeapProperty'],
[
Fiddle::TYPE_VOIDP, # heap : WS_HEAP*
Fiddle::TYPE_INT, # id : WS_HEAP_PROPERTY_ID
Fiddle::TYPE_VOIDP, # value : void* out
-Fiddle::TYPE_INT, # valueSize : DWORD
Fiddle::TYPE_VOIDP, # error : WS_ERROR* optional
],
Fiddle::TYPE_INT)#[link(name = "webservices")]
extern "system" {
fn WsGetHeapProperty(
heap: *mut isize, // WS_HEAP*
id: i32, // WS_HEAP_PROPERTY_ID
value: *mut (), // void* out
valueSize: u32, // DWORD
error: *mut isize // WS_ERROR* optional
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("webservices.dll")]
public static extern int WsGetHeapProperty(ref IntPtr heap, int id, IntPtr value, uint valueSize, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsGetHeapProperty' -Namespace Win32 -PassThru
# $api::WsGetHeapProperty(heap, id, value, valueSize, error)#uselib "webservices.dll"
#func global WsGetHeapProperty "WsGetHeapProperty" sptr, sptr, sptr, sptr, sptr
; WsGetHeapProperty varptr(heap), id, value, valueSize, varptr(error) ; 戻り値は stat
; heap : WS_HEAP* -> "sptr"
; id : WS_HEAP_PROPERTY_ID -> "sptr"
; value : void* out -> "sptr"
; valueSize : DWORD -> "sptr"
; error : WS_ERROR* optional -> "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 "webservices.dll" #cfunc global WsGetHeapProperty "WsGetHeapProperty" var, int, sptr, int, var ; res = WsGetHeapProperty(heap, id, value, valueSize, error) ; heap : WS_HEAP* -> "var" ; id : WS_HEAP_PROPERTY_ID -> "int" ; value : void* out -> "sptr" ; valueSize : DWORD -> "int" ; error : WS_ERROR* optional -> "var" ; ※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 "webservices.dll" #cfunc global WsGetHeapProperty "WsGetHeapProperty" sptr, int, sptr, int, sptr ; res = WsGetHeapProperty(varptr(heap), id, value, valueSize, varptr(error)) ; heap : WS_HEAP* -> "sptr" ; id : WS_HEAP_PROPERTY_ID -> "int" ; value : void* out -> "sptr" ; valueSize : DWORD -> "int" ; error : WS_ERROR* optional -> "sptr" ; ※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:
; HRESULT WsGetHeapProperty(WS_HEAP* heap, WS_HEAP_PROPERTY_ID id, void* value, DWORD valueSize, WS_ERROR* error) #uselib "webservices.dll" #cfunc global WsGetHeapProperty "WsGetHeapProperty" var, int, intptr, int, var ; res = WsGetHeapProperty(heap, id, value, valueSize, error) ; heap : WS_HEAP* -> "var" ; id : WS_HEAP_PROPERTY_ID -> "int" ; value : void* out -> "intptr" ; valueSize : DWORD -> "int" ; error : WS_ERROR* optional -> "var" ; ※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。; HRESULT WsGetHeapProperty(WS_HEAP* heap, WS_HEAP_PROPERTY_ID id, void* value, DWORD valueSize, WS_ERROR* error) #uselib "webservices.dll" #cfunc global WsGetHeapProperty "WsGetHeapProperty" intptr, int, intptr, int, intptr ; res = WsGetHeapProperty(varptr(heap), id, value, valueSize, varptr(error)) ; heap : WS_HEAP* -> "intptr" ; id : WS_HEAP_PROPERTY_ID -> "int" ; value : void* out -> "intptr" ; valueSize : DWORD -> "int" ; error : WS_ERROR* optional -> "intptr" ; ※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 (
webservices = windows.NewLazySystemDLL("webservices.dll")
procWsGetHeapProperty = webservices.NewProc("WsGetHeapProperty")
)
// heap (WS_HEAP*), id (WS_HEAP_PROPERTY_ID), value (void* out), valueSize (DWORD), error (WS_ERROR* optional)
r1, _, err := procWsGetHeapProperty.Call(
uintptr(heap),
uintptr(id),
uintptr(value),
uintptr(valueSize),
uintptr(error),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction WsGetHeapProperty(
heap: Pointer; // WS_HEAP*
id: Integer; // WS_HEAP_PROPERTY_ID
value: Pointer; // void* out
valueSize: DWORD; // DWORD
error: Pointer // WS_ERROR* optional
): Integer; stdcall;
external 'webservices.dll' name 'WsGetHeapProperty';result := DllCall("webservices\WsGetHeapProperty"
, "Ptr", heap ; WS_HEAP*
, "Int", id ; WS_HEAP_PROPERTY_ID
, "Ptr", value ; void* out
, "UInt", valueSize ; DWORD
, "Ptr", error ; WS_ERROR* optional
, "Int") ; return: HRESULT●WsGetHeapProperty(heap, id, value, valueSize, error) = DLL("webservices.dll", "int WsGetHeapProperty(void*, int, void*, dword, void*)")
# 呼び出し: WsGetHeapProperty(heap, id, value, valueSize, error)
# heap : WS_HEAP* -> "void*"
# id : WS_HEAP_PROPERTY_ID -> "int"
# value : void* out -> "void*"
# valueSize : DWORD -> "dword"
# error : WS_ERROR* optional -> "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 "webservices" fn WsGetHeapProperty(
heap: [*c]isize, // WS_HEAP*
id: i32, // WS_HEAP_PROPERTY_ID
value: ?*anyopaque, // void* out
valueSize: u32, // DWORD
error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;proc WsGetHeapProperty(
heap: ptr int, # WS_HEAP*
id: int32, # WS_HEAP_PROPERTY_ID
value: pointer, # void* out
valueSize: uint32, # DWORD
error: ptr int # WS_ERROR* optional
): int32 {.importc: "WsGetHeapProperty", stdcall, dynlib: "webservices.dll".}pragma(lib, "webservices");
extern(Windows)
int WsGetHeapProperty(
ptrdiff_t* heap, // WS_HEAP*
int id, // WS_HEAP_PROPERTY_ID
void* value, // void* out
uint valueSize, // DWORD
ptrdiff_t* error // WS_ERROR* optional
);ccall((:WsGetHeapProperty, "webservices.dll"), stdcall, Int32,
(Ptr{Int}, Int32, Ptr{Cvoid}, UInt32, Ptr{Int}),
heap, id, value, valueSize, error)
# heap : WS_HEAP* -> Ptr{Int}
# id : WS_HEAP_PROPERTY_ID -> Int32
# value : void* out -> Ptr{Cvoid}
# valueSize : DWORD -> UInt32
# error : WS_ERROR* optional -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t WsGetHeapProperty(
intptr_t* heap,
int32_t id,
void* value,
uint32_t valueSize,
intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsGetHeapProperty(heap, id, value, valueSize, error)
-- heap : WS_HEAP*
-- id : WS_HEAP_PROPERTY_ID
-- value : void* out
-- valueSize : DWORD
-- error : WS_ERROR* optional
-- 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('webservices.dll');
const WsGetHeapProperty = lib.func('__stdcall', 'WsGetHeapProperty', 'int32_t', ['intptr_t *', 'int32_t', 'void *', 'uint32_t', 'intptr_t *']);
// WsGetHeapProperty(heap, id, value, valueSize, error)
// heap : WS_HEAP* -> 'intptr_t *'
// id : WS_HEAP_PROPERTY_ID -> 'int32_t'
// value : void* out -> 'void *'
// valueSize : DWORD -> 'uint32_t'
// error : WS_ERROR* optional -> 'intptr_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("webservices.dll", {
WsGetHeapProperty: { parameters: ["pointer", "i32", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WsGetHeapProperty(heap, id, value, valueSize, error)
// heap : WS_HEAP* -> "pointer"
// id : WS_HEAP_PROPERTY_ID -> "i32"
// value : void* out -> "pointer"
// valueSize : DWORD -> "u32"
// error : WS_ERROR* optional -> "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 WsGetHeapProperty(
intptr_t* heap,
int32_t id,
void* value,
uint32_t valueSize,
intptr_t* error);
C, "webservices.dll");
// $ffi->WsGetHeapProperty(heap, id, value, valueSize, error);
// heap : WS_HEAP*
// id : WS_HEAP_PROPERTY_ID
// value : void* out
// valueSize : DWORD
// error : WS_ERROR* optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Webservices extends StdCallLibrary {
Webservices INSTANCE = Native.load("webservices", Webservices.class);
int WsGetHeapProperty(
LongByReference heap, // WS_HEAP*
int id, // WS_HEAP_PROPERTY_ID
Pointer value, // void* out
int valueSize, // DWORD
LongByReference error // WS_ERROR* optional
);
}@[Link("webservices")]
lib Libwebservices
fun WsGetHeapProperty = WsGetHeapProperty(
heap : LibC::SSizeT*, # WS_HEAP*
id : Int32, # WS_HEAP_PROPERTY_ID
value : Void*, # void* out
valueSize : UInt32, # DWORD
error : LibC::SSizeT* # WS_ERROR* optional
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WsGetHeapPropertyNative = Int32 Function(Pointer<IntPtr>, Int32, Pointer<Void>, Uint32, Pointer<IntPtr>);
typedef WsGetHeapPropertyDart = int Function(Pointer<IntPtr>, int, Pointer<Void>, int, Pointer<IntPtr>);
final WsGetHeapProperty = DynamicLibrary.open('webservices.dll')
.lookupFunction<WsGetHeapPropertyNative, WsGetHeapPropertyDart>('WsGetHeapProperty');
// heap : WS_HEAP* -> Pointer<IntPtr>
// id : WS_HEAP_PROPERTY_ID -> Int32
// value : void* out -> Pointer<Void>
// valueSize : DWORD -> Uint32
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WsGetHeapProperty(
heap: Pointer; // WS_HEAP*
id: Integer; // WS_HEAP_PROPERTY_ID
value: Pointer; // void* out
valueSize: DWORD; // DWORD
error: Pointer // WS_ERROR* optional
): Integer; stdcall;
external 'webservices.dll' name 'WsGetHeapProperty';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WsGetHeapProperty"
c_WsGetHeapProperty :: Ptr CIntPtr -> Int32 -> Ptr () -> Word32 -> Ptr CIntPtr -> IO Int32
-- heap : WS_HEAP* -> Ptr CIntPtr
-- id : WS_HEAP_PROPERTY_ID -> Int32
-- value : void* out -> Ptr ()
-- valueSize : DWORD -> Word32
-- error : WS_ERROR* optional -> Ptr CIntPtr
-- 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 wsgetheapproperty =
foreign "WsGetHeapProperty"
((ptr intptr_t) @-> int32_t @-> (ptr void) @-> uint32_t @-> (ptr intptr_t) @-> returning int32_t)
(* heap : WS_HEAP* -> (ptr intptr_t) *)
(* id : WS_HEAP_PROPERTY_ID -> int32_t *)
(* value : void* out -> (ptr void) *)
(* valueSize : DWORD -> uint32_t *)
(* error : WS_ERROR* optional -> (ptr intptr_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 webservices (t "webservices.dll"))
(cffi:use-foreign-library webservices)
(cffi:defcfun ("WsGetHeapProperty" ws-get-heap-property :convention :stdcall) :int32
(heap :pointer) ; WS_HEAP*
(id :int32) ; WS_HEAP_PROPERTY_ID
(value :pointer) ; void* out
(value-size :uint32) ; DWORD
(error :pointer)) ; WS_ERROR* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $WsGetHeapProperty = Win32::API::More->new('webservices',
'int WsGetHeapProperty(LPVOID heap, int id, LPVOID value, DWORD valueSize, LPVOID error)');
# my $ret = $WsGetHeapProperty->Call($heap, $id, $value, $valueSize, $error);
# heap : WS_HEAP* -> LPVOID
# id : WS_HEAP_PROPERTY_ID -> int
# value : void* out -> LPVOID
# valueSize : DWORD -> DWORD
# error : WS_ERROR* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。