VarUI2FromUI8

関数

符号なし8バイト整数を符号なし2バイト整数に変換する。

DLLOLEAUT32.dll呼出規約winapi

シグネチャ

// OLEAUT32.dll
#include <windows.h>

HRESULT VarUI2FromUI8(
    ULONGLONG i64In,
    WORD* puiOut
);

パラメーター

名前	型	方向
i64In	ULONGLONG	in
puiOut	WORD*	out

戻り値の型: HRESULT

各言語での呼び出し定義

// OLEAUT32.dll
#include <windows.h>

HRESULT VarUI2FromUI8(
    ULONGLONG i64In,
    WORD* puiOut
);

[DllImport("OLEAUT32.dll", ExactSpelling = true)]
static extern int VarUI2FromUI8(
    ulong i64In,   // ULONGLONG
    out ushort puiOut   // WORD* out
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function VarUI2FromUI8(
    i64In As ULong,   ' ULONGLONG
    <Out> ByRef puiOut As UShort   ' WORD* out
) As Integer
End Function

' i64In : ULONGLONG
' puiOut : WORD* out
Declare PtrSafe Function VarUI2FromUI8 Lib "oleaut32" ( _
    ByVal i64In As LongLong, _
    ByRef puiOut As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

VarUI2FromUI8 = ctypes.windll.oleaut32.VarUI2FromUI8
VarUI2FromUI8.restype = ctypes.c_int
VarUI2FromUI8.argtypes = [
    ctypes.c_ulonglong,  # i64In : ULONGLONG
    ctypes.POINTER(ctypes.c_ushort),  # puiOut : WORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
VarUI2FromUI8 = Fiddle::Function.new(
  lib['VarUI2FromUI8'],
  [
    -Fiddle::TYPE_LONG_LONG,  # i64In : ULONGLONG
    Fiddle::TYPE_VOIDP,  # puiOut : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn VarUI2FromUI8(
        i64In: u64,  // ULONGLONG
        puiOut: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int VarUI2FromUI8(ulong i64In, out ushort puiOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_VarUI2FromUI8' -Namespace Win32 -PassThru
# $api::VarUI2FromUI8(i64In, puiOut)

#uselib "OLEAUT32.dll"
#func global VarUI2FromUI8 "VarUI2FromUI8" sptr, sptr
; VarUI2FromUI8 i64In, varptr(puiOut)   ; 戻り値は stat
; i64In : ULONGLONG -> "sptr"
; puiOut : WORD* out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 "OLEAUT32.dll"
#cfunc global VarUI2FromUI8 "VarUI2FromUI8" int64, var
; res = VarUI2FromUI8(i64In, puiOut)
; i64In : ULONGLONG -> "int64"
; puiOut : WORD* 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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。#uselib "OLEAUT32.dll"
#cfunc global VarUI2FromUI8 "VarUI2FromUI8" int64, sptr
; res = VarUI2FromUI8(i64In, varptr(puiOut))
; i64In : ULONGLONG -> "int64"
; puiOut : WORD* 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))。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

出力引数:

; HRESULT VarUI2FromUI8(ULONGLONG i64In, WORD* puiOut)
#uselib "OLEAUT32.dll"
#cfunc global VarUI2FromUI8 "VarUI2FromUI8" int64, var
; res = VarUI2FromUI8(i64In, puiOut)
; i64In : ULONGLONG -> "int64"
; puiOut : WORD* 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。; HRESULT VarUI2FromUI8(ULONGLONG i64In, WORD* puiOut)
#uselib "OLEAUT32.dll"
#cfunc global VarUI2FromUI8 "VarUI2FromUI8" int64, intptr
; res = VarUI2FromUI8(i64In, varptr(puiOut))
; i64In : ULONGLONG -> "int64"
; puiOut : WORD* 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 (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procVarUI2FromUI8 = oleaut32.NewProc("VarUI2FromUI8")
)

// i64In (ULONGLONG), puiOut (WORD* out)
r1, _, err := procVarUI2FromUI8.Call(
	uintptr(i64In),
	uintptr(puiOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function VarUI2FromUI8(
  i64In: UInt64;   // ULONGLONG
  puiOut: Pointer   // WORD* out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'VarUI2FromUI8';

result := DllCall("OLEAUT32\VarUI2FromUI8"
    , "Int64", i64In   ; ULONGLONG
    , "Ptr", puiOut   ; WORD* out
    , "Int")   ; return: HRESULT

●VarUI2FromUI8(i64In, puiOut) = DLL("OLEAUT32.dll", "int VarUI2FromUI8(qword, void*)")
# 呼び出し: VarUI2FromUI8(i64In, puiOut)
# i64In : ULONGLONG -> "qword"
# puiOut : WORD* 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)。