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Heap32ListFirst

関数

スナップショット内の最初のヒープリスト情報を取得する。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL Heap32ListFirst(
    HANDLE hSnapshot,
    HEAPLIST32* lphl
);

パラメーター

名前	型	方向
hSnapshot	HANDLE	in
lphl	HEAPLIST32*	inout

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL Heap32ListFirst(
    HANDLE hSnapshot,
    HEAPLIST32* lphl
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool Heap32ListFirst(
    IntPtr hSnapshot,   // HANDLE
    IntPtr lphl   // HEAPLIST32* in/out
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function Heap32ListFirst(
    hSnapshot As IntPtr,   ' HANDLE
    lphl As IntPtr   ' HEAPLIST32* in/out
) As Boolean
End Function

' hSnapshot : HANDLE
' lphl : HEAPLIST32* in/out
Declare PtrSafe Function Heap32ListFirst Lib "kernel32" ( _
    ByVal hSnapshot As LongPtr, _
    ByVal lphl 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

Heap32ListFirst = ctypes.windll.kernel32.Heap32ListFirst
Heap32ListFirst.restype = wintypes.BOOL
Heap32ListFirst.argtypes = [
    wintypes.HANDLE,  # hSnapshot : HANDLE
    ctypes.c_void_p,  # lphl : HEAPLIST32* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
Heap32ListFirst = Fiddle::Function.new(
  lib['Heap32ListFirst'],
  [
    Fiddle::TYPE_VOIDP,  # hSnapshot : HANDLE
    Fiddle::TYPE_VOIDP,  # lphl : HEAPLIST32* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn Heap32ListFirst(
        hSnapshot: *mut core::ffi::c_void,  // HANDLE
        lphl: *mut HEAPLIST32  // HEAPLIST32* in/out
    ) -> 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 Heap32ListFirst(IntPtr hSnapshot, IntPtr lphl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_Heap32ListFirst' -Namespace Win32 -PassThru
# $api::Heap32ListFirst(hSnapshot, lphl)

#uselib "KERNEL32.dll"
#func global Heap32ListFirst "Heap32ListFirst" sptr, sptr
; Heap32ListFirst hSnapshot, varptr(lphl)   ; 戻り値は stat
; hSnapshot : HANDLE -> "sptr"
; lphl : HEAPLIST32* in/out -> "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 Heap32ListFirst "Heap32ListFirst" sptr, var
; res = Heap32ListFirst(hSnapshot, lphl)
; hSnapshot : HANDLE -> "sptr"
; lphl : HEAPLIST32* in/out -> "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 "KERNEL32.dll"
#cfunc global Heap32ListFirst "Heap32ListFirst" sptr, sptr
; res = Heap32ListFirst(hSnapshot, varptr(lphl))
; hSnapshot : HANDLE -> "sptr"
; lphl : HEAPLIST32* in/out -> "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:

; BOOL Heap32ListFirst(HANDLE hSnapshot, HEAPLIST32* lphl)
#uselib "KERNEL32.dll"
#cfunc global Heap32ListFirst "Heap32ListFirst" intptr, var
; res = Heap32ListFirst(hSnapshot, lphl)
; hSnapshot : HANDLE -> "intptr"
; lphl : HEAPLIST32* in/out -> "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。; BOOL Heap32ListFirst(HANDLE hSnapshot, HEAPLIST32* lphl)
#uselib "KERNEL32.dll"
#cfunc global Heap32ListFirst "Heap32ListFirst" intptr, intptr
; res = Heap32ListFirst(hSnapshot, varptr(lphl))
; hSnapshot : HANDLE -> "intptr"
; lphl : HEAPLIST32* in/out -> "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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procHeap32ListFirst = kernel32.NewProc("Heap32ListFirst")
)

// hSnapshot (HANDLE), lphl (HEAPLIST32* in/out)
r1, _, err := procHeap32ListFirst.Call(
	uintptr(hSnapshot),
	uintptr(lphl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function Heap32ListFirst(
  hSnapshot: THandle;   // HANDLE
  lphl: Pointer   // HEAPLIST32* in/out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'Heap32ListFirst';

result := DllCall("KERNEL32\Heap32ListFirst"
    , "Ptr", hSnapshot   ; HANDLE
    , "Ptr", lphl   ; HEAPLIST32* in/out
    , "Int")   ; return: BOOL

●Heap32ListFirst(hSnapshot, lphl) = DLL("KERNEL32.dll", "bool Heap32ListFirst(void*, void*)")
# 呼び出し: Heap32ListFirst(hSnapshot, lphl)
# hSnapshot : HANDLE -> "void*"
# lphl : HEAPLIST32* in/out -> "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)。