HeapSetInformation

// KERNEL32.dll
#include <windows.h>

BOOL HeapSetInformation(
    HANDLE HeapHandle,   // optional
    HEAP_INFORMATION_CLASS HeapInformationClass,
    void* HeapInformation,   // optional
    UINT_PTR HeapInformationLength
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function HeapSetInformation(
    HeapHandle As IntPtr,   ' HANDLE optional
    HeapInformationClass As Integer,   ' HEAP_INFORMATION_CLASS
    HeapInformation As IntPtr,   ' void* optional
    HeapInformationLength As UIntPtr   ' UINT_PTR
) As Boolean
End Function

' HeapHandle : HANDLE optional
' HeapInformationClass : HEAP_INFORMATION_CLASS
' HeapInformation : void* optional
' HeapInformationLength : UINT_PTR
Declare PtrSafe Function HeapSetInformation Lib "kernel32" ( _
    ByVal HeapHandle As LongPtr, _
    ByVal HeapInformationClass As Long, _
    ByVal HeapInformation As LongPtr, _
    ByVal HeapInformationLength 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

HeapSetInformation = ctypes.windll.kernel32.HeapSetInformation
HeapSetInformation.restype = wintypes.BOOL
HeapSetInformation.argtypes = [
    wintypes.HANDLE,  # HeapHandle : HANDLE optional
    ctypes.c_int,  # HeapInformationClass : HEAP_INFORMATION_CLASS
    ctypes.POINTER(None),  # HeapInformation : void* optional
    ctypes.c_size_t,  # HeapInformationLength : UINT_PTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
HeapSetInformation = Fiddle::Function.new(
  lib['HeapSetInformation'],
  [
    Fiddle::TYPE_VOIDP,  # HeapHandle : HANDLE optional
    Fiddle::TYPE_INT,  # HeapInformationClass : HEAP_INFORMATION_CLASS
    Fiddle::TYPE_VOIDP,  # HeapInformation : void* optional
    Fiddle::TYPE_UINTPTR_T,  # HeapInformationLength : UINT_PTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn HeapSetInformation(
        HeapHandle: *mut core::ffi::c_void,  // HANDLE optional
        HeapInformationClass: i32,  // HEAP_INFORMATION_CLASS
        HeapInformation: *mut (),  // void* optional
        HeapInformationLength: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool HeapSetInformation(IntPtr HeapHandle, int HeapInformationClass, IntPtr HeapInformation, UIntPtr HeapInformationLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_HeapSetInformation' -Namespace Win32 -PassThru
# $api::HeapSetInformation(HeapHandle, HeapInformationClass, HeapInformation, HeapInformationLength)

#uselib "KERNEL32.dll"
#func global HeapSetInformation "HeapSetInformation" sptr, sptr, sptr, sptr
; HeapSetInformation HeapHandle, HeapInformationClass, HeapInformation, HeapInformationLength   ; 戻り値は stat
; HeapHandle : HANDLE optional -> "sptr"
; HeapInformationClass : HEAP_INFORMATION_CLASS -> "sptr"
; HeapInformation : void* optional -> "sptr"
; HeapInformationLength : UINT_PTR -> "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 "KERNEL32.dll"
#cfunc global HeapSetInformation "HeapSetInformation" sptr, int, sptr, sptr
; res = HeapSetInformation(HeapHandle, HeapInformationClass, HeapInformation, HeapInformationLength)
; HeapHandle : HANDLE optional -> "sptr"
; HeapInformationClass : HEAP_INFORMATION_CLASS -> "int"
; HeapInformation : void* optional -> "sptr"
; HeapInformationLength : UINT_PTR -> "sptr"

; BOOL HeapSetInformation(HANDLE HeapHandle, HEAP_INFORMATION_CLASS HeapInformationClass, void* HeapInformation, UINT_PTR HeapInformationLength)
#uselib "KERNEL32.dll"
#cfunc global HeapSetInformation "HeapSetInformation" intptr, int, intptr, intptr
; res = HeapSetInformation(HeapHandle, HeapInformationClass, HeapInformation, HeapInformationLength)
; HeapHandle : HANDLE optional -> "intptr"
; HeapInformationClass : HEAP_INFORMATION_CLASS -> "int"
; HeapInformation : void* optional -> "intptr"
; HeapInformationLength : UINT_PTR -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procHeapSetInformation = kernel32.NewProc("HeapSetInformation")
)

// HeapHandle (HANDLE optional), HeapInformationClass (HEAP_INFORMATION_CLASS), HeapInformation (void* optional), HeapInformationLength (UINT_PTR)
r1, _, err := procHeapSetInformation.Call(
	uintptr(HeapHandle),
	uintptr(HeapInformationClass),
	uintptr(HeapInformation),
	uintptr(HeapInformationLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function HeapSetInformation(
  HeapHandle: THandle;   // HANDLE optional
  HeapInformationClass: Integer;   // HEAP_INFORMATION_CLASS
  HeapInformation: Pointer;   // void* optional
  HeapInformationLength: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'HeapSetInformation';

result := DllCall("KERNEL32\HeapSetInformation"
    , "Ptr", HeapHandle   ; HANDLE optional
    , "Int", HeapInformationClass   ; HEAP_INFORMATION_CLASS
    , "Ptr", HeapInformation   ; void* optional
    , "UPtr", HeapInformationLength   ; UINT_PTR
    , "Int")   ; return: BOOL

●HeapSetInformation(HeapHandle, HeapInformationClass, HeapInformation, HeapInformationLength) = DLL("KERNEL32.dll", "bool HeapSetInformation(void*, int, void*, int)")
# 呼び出し: HeapSetInformation(HeapHandle, HeapInformationClass, HeapInformation, HeapInformationLength)
# HeapHandle : HANDLE optional -> "void*"
# HeapInformationClass : HEAP_INFORMATION_CLASS -> "int"
# HeapInformation : void* optional -> "void*"
# HeapInformationLength : UINT_PTR -> "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)。