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DeltaFree

関数

デルタAPIが割り当てたメモリを解放する。

DLLmsdelta.dll呼出規約winapi

シグネチャ

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

BOOL DeltaFree(
    void* lpMemory
);

パラメーター

名前	型	方向
lpMemory	void*	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL DeltaFree(
    void* lpMemory
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("msdelta.dll", ExactSpelling = true)]
static extern bool DeltaFree(
    IntPtr lpMemory   // void*
);

<DllImport("msdelta.dll", ExactSpelling:=True)>
Public Shared Function DeltaFree(
    lpMemory As IntPtr   ' void*
) As Boolean
End Function

' lpMemory : void*
Declare PtrSafe Function DeltaFree Lib "msdelta" ( _
    ByVal lpMemory 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

DeltaFree = ctypes.windll.msdelta.DeltaFree
DeltaFree.restype = wintypes.BOOL
DeltaFree.argtypes = [
    ctypes.POINTER(None),  # lpMemory : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdelta.dll')
DeltaFree = Fiddle::Function.new(
  lib['DeltaFree'],
  [
    Fiddle::TYPE_VOIDP,  # lpMemory : void*
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdelta")]
extern "system" {
    fn DeltaFree(
        lpMemory: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("msdelta.dll")]
public static extern bool DeltaFree(IntPtr lpMemory);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdelta_DeltaFree' -Namespace Win32 -PassThru
# $api::DeltaFree(lpMemory)

#uselib "msdelta.dll"
#func global DeltaFree "DeltaFree" sptr
; DeltaFree lpMemory   ; 戻り値は stat
; lpMemory : void* -> "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 "msdelta.dll"
#cfunc global DeltaFree "DeltaFree" sptr
; res = DeltaFree(lpMemory)
; lpMemory : void* -> "sptr"

; BOOL DeltaFree(void* lpMemory)
#uselib "msdelta.dll"
#cfunc global DeltaFree "DeltaFree" intptr
; res = DeltaFree(lpMemory)
; lpMemory : void* -> "intptr"

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

var (
	msdelta = windows.NewLazySystemDLL("msdelta.dll")
	procDeltaFree = msdelta.NewProc("DeltaFree")
)

// lpMemory (void*)
r1, _, err := procDeltaFree.Call(
	uintptr(lpMemory),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DeltaFree(
  lpMemory: Pointer   // void*
): BOOL; stdcall;
  external 'msdelta.dll' name 'DeltaFree';

result := DllCall("msdelta\DeltaFree"
    , "Ptr", lpMemory   ; void*
    , "Int")   ; return: BOOL

●DeltaFree(lpMemory) = DLL("msdelta.dll", "bool DeltaFree(void*)")
# 呼び出し: DeltaFree(lpMemory)
# lpMemory : void* -> "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)。