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WTSFreeMemoryExA
関数WTS関数が割り当てた型付きメモリを解放する。
シグネチャ
// WTSAPI32.dll (ANSI / -A)
#include <windows.h>
BOOL WTSFreeMemoryExA(
WTS_TYPE_CLASS WTSTypeClass,
void* pMemory,
DWORD NumberOfEntries
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| WTSTypeClass | WTS_TYPE_CLASS | in | 解放するメモリの型を示すWTS_TYPE_CLASS列挙値。 |
| pMemory | void* | in | 解放対象のメモリブロックへのポインタ。 |
| NumberOfEntries | DWORD | in | pMemory内のエントリ(要素)数。 |
戻り値の型: BOOL
各言語での呼び出し定義
// WTSAPI32.dll (ANSI / -A)
#include <windows.h>
BOOL WTSFreeMemoryExA(
WTS_TYPE_CLASS WTSTypeClass,
void* pMemory,
DWORD NumberOfEntries
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WTSAPI32.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool WTSFreeMemoryExA(
int WTSTypeClass, // WTS_TYPE_CLASS
IntPtr pMemory, // void*
uint NumberOfEntries // DWORD
);<DllImport("WTSAPI32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WTSFreeMemoryExA(
WTSTypeClass As Integer, ' WTS_TYPE_CLASS
pMemory As IntPtr, ' void*
NumberOfEntries As UInteger ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' WTSTypeClass : WTS_TYPE_CLASS
' pMemory : void*
' NumberOfEntries : DWORD
Declare PtrSafe Function WTSFreeMemoryExA Lib "wtsapi32" ( _
ByVal WTSTypeClass As Long, _
ByVal pMemory As LongPtr, _
ByVal NumberOfEntries 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
WTSFreeMemoryExA = ctypes.windll.wtsapi32.WTSFreeMemoryExA
WTSFreeMemoryExA.restype = wintypes.BOOL
WTSFreeMemoryExA.argtypes = [
ctypes.c_int, # WTSTypeClass : WTS_TYPE_CLASS
ctypes.POINTER(None), # pMemory : void*
wintypes.DWORD, # NumberOfEntries : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('WTSAPI32.dll')
WTSFreeMemoryExA = Fiddle::Function.new(
lib['WTSFreeMemoryExA'],
[
Fiddle::TYPE_INT, # WTSTypeClass : WTS_TYPE_CLASS
Fiddle::TYPE_VOIDP, # pMemory : void*
-Fiddle::TYPE_INT, # NumberOfEntries : DWORD
],
Fiddle::TYPE_INT)#[link(name = "wtsapi32")]
extern "system" {
fn WTSFreeMemoryExA(
WTSTypeClass: i32, // WTS_TYPE_CLASS
pMemory: *mut (), // void*
NumberOfEntries: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WTSAPI32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool WTSFreeMemoryExA(int WTSTypeClass, IntPtr pMemory, uint NumberOfEntries);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WTSAPI32_WTSFreeMemoryExA' -Namespace Win32 -PassThru
# $api::WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)#uselib "WTSAPI32.dll"
#func global WTSFreeMemoryExA "WTSFreeMemoryExA" sptr, sptr, sptr
; WTSFreeMemoryExA WTSTypeClass, pMemory, NumberOfEntries ; 戻り値は stat
; WTSTypeClass : WTS_TYPE_CLASS -> "sptr"
; pMemory : void* -> "sptr"
; NumberOfEntries : 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。#uselib "WTSAPI32.dll"
#cfunc global WTSFreeMemoryExA "WTSFreeMemoryExA" int, sptr, int
; res = WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)
; WTSTypeClass : WTS_TYPE_CLASS -> "int"
; pMemory : void* -> "sptr"
; NumberOfEntries : DWORD -> "int"; BOOL WTSFreeMemoryExA(WTS_TYPE_CLASS WTSTypeClass, void* pMemory, DWORD NumberOfEntries)
#uselib "WTSAPI32.dll"
#cfunc global WTSFreeMemoryExA "WTSFreeMemoryExA" int, intptr, int
; res = WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)
; WTSTypeClass : WTS_TYPE_CLASS -> "int"
; pMemory : void* -> "intptr"
; NumberOfEntries : DWORD -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
wtsapi32 = windows.NewLazySystemDLL("WTSAPI32.dll")
procWTSFreeMemoryExA = wtsapi32.NewProc("WTSFreeMemoryExA")
)
// WTSTypeClass (WTS_TYPE_CLASS), pMemory (void*), NumberOfEntries (DWORD)
r1, _, err := procWTSFreeMemoryExA.Call(
uintptr(WTSTypeClass),
uintptr(pMemory),
uintptr(NumberOfEntries),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction WTSFreeMemoryExA(
WTSTypeClass: Integer; // WTS_TYPE_CLASS
pMemory: Pointer; // void*
NumberOfEntries: DWORD // DWORD
): BOOL; stdcall;
external 'WTSAPI32.dll' name 'WTSFreeMemoryExA';result := DllCall("WTSAPI32\WTSFreeMemoryExA"
, "Int", WTSTypeClass ; WTS_TYPE_CLASS
, "Ptr", pMemory ; void*
, "UInt", NumberOfEntries ; DWORD
, "Int") ; return: BOOL●WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries) = DLL("WTSAPI32.dll", "bool WTSFreeMemoryExA(int, void*, dword)")
# 呼び出し: WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)
# WTSTypeClass : WTS_TYPE_CLASS -> "int"
# pMemory : void* -> "void*"
# NumberOfEntries : 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 "wtsapi32" fn WTSFreeMemoryExA(
WTSTypeClass: i32, // WTS_TYPE_CLASS
pMemory: ?*anyopaque, // void*
NumberOfEntries: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;proc WTSFreeMemoryExA(
WTSTypeClass: int32, # WTS_TYPE_CLASS
pMemory: pointer, # void*
NumberOfEntries: uint32 # DWORD
): int32 {.importc: "WTSFreeMemoryExA", stdcall, dynlib: "WTSAPI32.dll".}pragma(lib, "wtsapi32");
extern(Windows)
int WTSFreeMemoryExA(
int WTSTypeClass, // WTS_TYPE_CLASS
void* pMemory, // void*
uint NumberOfEntries // DWORD
);ccall((:WTSFreeMemoryExA, "WTSAPI32.dll"), stdcall, Int32,
(Int32, Ptr{Cvoid}, UInt32),
WTSTypeClass, pMemory, NumberOfEntries)
# WTSTypeClass : WTS_TYPE_CLASS -> Int32
# pMemory : void* -> Ptr{Cvoid}
# NumberOfEntries : 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 WTSFreeMemoryExA(
int32_t WTSTypeClass,
void* pMemory,
uint32_t NumberOfEntries);
]]
local wtsapi32 = ffi.load("wtsapi32")
-- wtsapi32.WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)
-- WTSTypeClass : WTS_TYPE_CLASS
-- pMemory : void*
-- NumberOfEntries : 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('WTSAPI32.dll');
const WTSFreeMemoryExA = lib.func('__stdcall', 'WTSFreeMemoryExA', 'int32_t', ['int32_t', 'void *', 'uint32_t']);
// WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)
// WTSTypeClass : WTS_TYPE_CLASS -> 'int32_t'
// pMemory : void* -> 'void *'
// NumberOfEntries : 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("WTSAPI32.dll", {
WTSFreeMemoryExA: { parameters: ["i32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries)
// WTSTypeClass : WTS_TYPE_CLASS -> "i32"
// pMemory : void* -> "pointer"
// NumberOfEntries : 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 WTSFreeMemoryExA(
int32_t WTSTypeClass,
void* pMemory,
uint32_t NumberOfEntries);
C, "WTSAPI32.dll");
// $ffi->WTSFreeMemoryExA(WTSTypeClass, pMemory, NumberOfEntries);
// WTSTypeClass : WTS_TYPE_CLASS
// pMemory : void*
// NumberOfEntries : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Wtsapi32 extends StdCallLibrary {
Wtsapi32 INSTANCE = Native.load("wtsapi32", Wtsapi32.class, W32APIOptions.ASCII_OPTIONS);
boolean WTSFreeMemoryExA(
int WTSTypeClass, // WTS_TYPE_CLASS
Pointer pMemory, // void*
int NumberOfEntries // DWORD
);
}@[Link("wtsapi32")]
lib LibWTSAPI32
fun WTSFreeMemoryExA = WTSFreeMemoryExA(
WTSTypeClass : Int32, # WTS_TYPE_CLASS
pMemory : Void*, # void*
NumberOfEntries : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WTSFreeMemoryExANative = Int32 Function(Int32, Pointer<Void>, Uint32);
typedef WTSFreeMemoryExADart = int Function(int, Pointer<Void>, int);
final WTSFreeMemoryExA = DynamicLibrary.open('WTSAPI32.dll')
.lookupFunction<WTSFreeMemoryExANative, WTSFreeMemoryExADart>('WTSFreeMemoryExA');
// WTSTypeClass : WTS_TYPE_CLASS -> Int32
// pMemory : void* -> Pointer<Void>
// NumberOfEntries : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WTSFreeMemoryExA(
WTSTypeClass: Integer; // WTS_TYPE_CLASS
pMemory: Pointer; // void*
NumberOfEntries: DWORD // DWORD
): BOOL; stdcall;
external 'WTSAPI32.dll' name 'WTSFreeMemoryExA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WTSFreeMemoryExA"
c_WTSFreeMemoryExA :: Int32 -> Ptr () -> Word32 -> IO CInt
-- WTSTypeClass : WTS_TYPE_CLASS -> Int32
-- pMemory : void* -> Ptr ()
-- NumberOfEntries : 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 wtsfreememoryexa =
foreign "WTSFreeMemoryExA"
(int32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* WTSTypeClass : WTS_TYPE_CLASS -> int32_t *)
(* pMemory : void* -> (ptr void) *)
(* NumberOfEntries : 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 wtsapi32 (t "WTSAPI32.dll"))
(cffi:use-foreign-library wtsapi32)
(cffi:defcfun ("WTSFreeMemoryExA" wtsfree-memory-ex-a :convention :stdcall) :int32
(wtstype-class :int32) ; WTS_TYPE_CLASS
(p-memory :pointer) ; void*
(number-of-entries :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $WTSFreeMemoryExA = Win32::API::More->new('WTSAPI32',
'BOOL WTSFreeMemoryExA(int WTSTypeClass, LPVOID pMemory, DWORD NumberOfEntries)');
# my $ret = $WTSFreeMemoryExA->Call($WTSTypeClass, $pMemory, $NumberOfEntries);
# WTSTypeClass : WTS_TYPE_CLASS -> int
# pMemory : void* -> LPVOID
# NumberOfEntries : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
文字セット違い
- f WTSFreeMemoryExW (Unicode版) — WTS関数が割り当てた型付きメモリを解放する。
類似 API
- f WTSFreeMemory — WTS関数が割り当てたメモリを解放する。
使用する型