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LocalSystemTimeToLocalFileTime

関数
ローカルシステム時刻をローカルファイル時刻に変換する。
DLLKERNEL32.dll呼出規約winapi

シグネチャ

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

BOOL LocalSystemTimeToLocalFileTime(
    const TIME_ZONE_INFORMATION* timeZoneInformation,   // optional
    const SYSTEMTIME* localSystemTime,
    FILETIME* localFileTime
);

パラメーター

名前型方向説明
timeZoneInformationTIME_ZONE_INFORMATION*inoptional変換に用いるタイムゾーン情報へのポインタ。NULLで現在の設定を使う。
localSystemTimeSYSTEMTIME*in変換元のローカルSYSTEMTIME構造体へのポインタ。
localFileTimeFILETIME*out変換後のローカルFILETIME値を受け取るポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL LocalSystemTimeToLocalFileTime(
    const TIME_ZONE_INFORMATION* timeZoneInformation,   // optional
    const SYSTEMTIME* localSystemTime,
    FILETIME* localFileTime
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern bool LocalSystemTimeToLocalFileTime(
    IntPtr timeZoneInformation,   // TIME_ZONE_INFORMATION* optional
    IntPtr localSystemTime,   // SYSTEMTIME*
    IntPtr localFileTime   // FILETIME* out
);
<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function LocalSystemTimeToLocalFileTime(
    timeZoneInformation As IntPtr,   ' TIME_ZONE_INFORMATION* optional
    localSystemTime As IntPtr,   ' SYSTEMTIME*
    localFileTime As IntPtr   ' FILETIME* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' timeZoneInformation : TIME_ZONE_INFORMATION* optional
' localSystemTime : SYSTEMTIME*
' localFileTime : FILETIME* out
Declare PtrSafe Function LocalSystemTimeToLocalFileTime Lib "kernel32" ( _
    ByVal timeZoneInformation As LongPtr, _
    ByVal localSystemTime As LongPtr, _
    ByVal localFileTime 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

LocalSystemTimeToLocalFileTime = ctypes.windll.kernel32.LocalSystemTimeToLocalFileTime
LocalSystemTimeToLocalFileTime.restype = wintypes.BOOL
LocalSystemTimeToLocalFileTime.argtypes = [
    ctypes.c_void_p,  # timeZoneInformation : TIME_ZONE_INFORMATION* optional
    ctypes.c_void_p,  # localSystemTime : SYSTEMTIME*
    ctypes.c_void_p,  # localFileTime : FILETIME* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
LocalSystemTimeToLocalFileTime = Fiddle::Function.new(
  lib['LocalSystemTimeToLocalFileTime'],
  [
    Fiddle::TYPE_VOIDP,  # timeZoneInformation : TIME_ZONE_INFORMATION* optional
    Fiddle::TYPE_VOIDP,  # localSystemTime : SYSTEMTIME*
    Fiddle::TYPE_VOIDP,  # localFileTime : FILETIME* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "kernel32")]
extern "system" {
    fn LocalSystemTimeToLocalFileTime(
        timeZoneInformation: *const TIME_ZONE_INFORMATION,  // TIME_ZONE_INFORMATION* optional
        localSystemTime: *const SYSTEMTIME,  // SYSTEMTIME*
        localFileTime: *mut FILETIME  // FILETIME* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool LocalSystemTimeToLocalFileTime(IntPtr timeZoneInformation, IntPtr localSystemTime, IntPtr localFileTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_LocalSystemTimeToLocalFileTime' -Namespace Win32 -PassThru
# $api::LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
#uselib "KERNEL32.dll"
#func global LocalSystemTimeToLocalFileTime "LocalSystemTimeToLocalFileTime" sptr, sptr, sptr
; LocalSystemTimeToLocalFileTime varptr(timeZoneInformation), varptr(localSystemTime), varptr(localFileTime)   ; 戻り値は stat
; timeZoneInformation : TIME_ZONE_INFORMATION* optional -> "sptr"
; localSystemTime : SYSTEMTIME* -> "sptr"
; localFileTime : FILETIME* 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 LocalSystemTimeToLocalFileTime "LocalSystemTimeToLocalFileTime" var, var, var
; res = LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
; timeZoneInformation : TIME_ZONE_INFORMATION* optional -> "var"
; localSystemTime : SYSTEMTIME* -> "var"
; localFileTime : FILETIME* 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。
出力引数: 
; BOOL LocalSystemTimeToLocalFileTime(TIME_ZONE_INFORMATION* timeZoneInformation, SYSTEMTIME* localSystemTime, FILETIME* localFileTime)
#uselib "KERNEL32.dll"
#cfunc global LocalSystemTimeToLocalFileTime "LocalSystemTimeToLocalFileTime" var, var, var
; res = LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
; timeZoneInformation : TIME_ZONE_INFORMATION* optional -> "var"
; localSystemTime : SYSTEMTIME* -> "var"
; localFileTime : FILETIME* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procLocalSystemTimeToLocalFileTime = kernel32.NewProc("LocalSystemTimeToLocalFileTime")
)

// timeZoneInformation (TIME_ZONE_INFORMATION* optional), localSystemTime (SYSTEMTIME*), localFileTime (FILETIME* out)
r1, _, err := procLocalSystemTimeToLocalFileTime.Call(
	uintptr(timeZoneInformation),
	uintptr(localSystemTime),
	uintptr(localFileTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function LocalSystemTimeToLocalFileTime(
  timeZoneInformation: Pointer;   // TIME_ZONE_INFORMATION* optional
  localSystemTime: Pointer;   // SYSTEMTIME*
  localFileTime: Pointer   // FILETIME* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'LocalSystemTimeToLocalFileTime';
result := DllCall("KERNEL32\LocalSystemTimeToLocalFileTime"
    , "Ptr", timeZoneInformation   ; TIME_ZONE_INFORMATION* optional
    , "Ptr", localSystemTime   ; SYSTEMTIME*
    , "Ptr", localFileTime   ; FILETIME* out
    , "Int")   ; return: BOOL
●LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime) = DLL("KERNEL32.dll", "bool LocalSystemTimeToLocalFileTime(void*, void*, void*)")
# 呼び出し: LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
# timeZoneInformation : TIME_ZONE_INFORMATION* optional -> "void*"
# localSystemTime : SYSTEMTIME* -> "void*"
# localFileTime : FILETIME* 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)。
const std = @import("std");

extern "kernel32" fn LocalSystemTimeToLocalFileTime(
    timeZoneInformation: [*c]TIME_ZONE_INFORMATION, // TIME_ZONE_INFORMATION* optional
    localSystemTime: [*c]SYSTEMTIME, // SYSTEMTIME*
    localFileTime: [*c]FILETIME // FILETIME* out
) callconv(std.os.windows.WINAPI) i32;
proc LocalSystemTimeToLocalFileTime(
    timeZoneInformation: ptr TIME_ZONE_INFORMATION,  # TIME_ZONE_INFORMATION* optional
    localSystemTime: ptr SYSTEMTIME,  # SYSTEMTIME*
    localFileTime: ptr FILETIME  # FILETIME* out
): int32 {.importc: "LocalSystemTimeToLocalFileTime", stdcall, dynlib: "KERNEL32.dll".}
pragma(lib, "kernel32");
extern(Windows)
int LocalSystemTimeToLocalFileTime(
    TIME_ZONE_INFORMATION* timeZoneInformation,   // TIME_ZONE_INFORMATION* optional
    SYSTEMTIME* localSystemTime,   // SYSTEMTIME*
    FILETIME* localFileTime   // FILETIME* out
);
ccall((:LocalSystemTimeToLocalFileTime, "KERNEL32.dll"), stdcall, Int32,
      (Ptr{TIME_ZONE_INFORMATION}, Ptr{SYSTEMTIME}, Ptr{FILETIME}),
      timeZoneInformation, localSystemTime, localFileTime)
# timeZoneInformation : TIME_ZONE_INFORMATION* optional -> Ptr{TIME_ZONE_INFORMATION}
# localSystemTime : SYSTEMTIME* -> Ptr{SYSTEMTIME}
# localFileTime : FILETIME* out -> Ptr{FILETIME}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t LocalSystemTimeToLocalFileTime(
    void* timeZoneInformation,
    void* localSystemTime,
    void* localFileTime);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
-- timeZoneInformation : TIME_ZONE_INFORMATION* optional
-- localSystemTime : SYSTEMTIME*
-- localFileTime : FILETIME* out
-- 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('KERNEL32.dll');
const LocalSystemTimeToLocalFileTime = lib.func('__stdcall', 'LocalSystemTimeToLocalFileTime', 'int32_t', ['void *', 'void *', 'void *']);
// LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
// timeZoneInformation : TIME_ZONE_INFORMATION* optional -> 'void *'
// localSystemTime : SYSTEMTIME* -> 'void *'
// localFileTime : FILETIME* out -> 'void *'
// 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("KERNEL32.dll", {
  LocalSystemTimeToLocalFileTime: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime)
// timeZoneInformation : TIME_ZONE_INFORMATION* optional -> "pointer"
// localSystemTime : SYSTEMTIME* -> "pointer"
// localFileTime : FILETIME* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t LocalSystemTimeToLocalFileTime(
    void* timeZoneInformation,
    void* localSystemTime,
    void* localFileTime);
C, "KERNEL32.dll");
// $ffi->LocalSystemTimeToLocalFileTime(timeZoneInformation, localSystemTime, localFileTime);
// timeZoneInformation : TIME_ZONE_INFORMATION* optional
// localSystemTime : SYSTEMTIME*
// localFileTime : FILETIME* out
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean LocalSystemTimeToLocalFileTime(
        Pointer timeZoneInformation,   // TIME_ZONE_INFORMATION* optional
        Pointer localSystemTime,   // SYSTEMTIME*
        Pointer localFileTime   // FILETIME* out
    );
}
@[Link("kernel32")]
lib LibKERNEL32
  fun LocalSystemTimeToLocalFileTime = LocalSystemTimeToLocalFileTime(
    timeZoneInformation : TIME_ZONE_INFORMATION*,   # TIME_ZONE_INFORMATION* optional
    localSystemTime : SYSTEMTIME*,   # SYSTEMTIME*
    localFileTime : FILETIME*   # FILETIME* out
  ) : 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 LocalSystemTimeToLocalFileTimeNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef LocalSystemTimeToLocalFileTimeDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final LocalSystemTimeToLocalFileTime = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<LocalSystemTimeToLocalFileTimeNative, LocalSystemTimeToLocalFileTimeDart>('LocalSystemTimeToLocalFileTime');
// timeZoneInformation : TIME_ZONE_INFORMATION* optional -> Pointer<Void>
// localSystemTime : SYSTEMTIME* -> Pointer<Void>
// localFileTime : FILETIME* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function LocalSystemTimeToLocalFileTime(
  timeZoneInformation: Pointer;   // TIME_ZONE_INFORMATION* optional
  localSystemTime: Pointer;   // SYSTEMTIME*
  localFileTime: Pointer   // FILETIME* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'LocalSystemTimeToLocalFileTime';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "LocalSystemTimeToLocalFileTime"
  c_LocalSystemTimeToLocalFileTime :: Ptr () -> Ptr () -> Ptr () -> IO CInt
-- timeZoneInformation : TIME_ZONE_INFORMATION* optional -> Ptr ()
-- localSystemTime : SYSTEMTIME* -> Ptr ()
-- localFileTime : FILETIME* out -> Ptr ()
-- 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 localsystemtimetolocalfiletime =
  foreign "LocalSystemTimeToLocalFileTime"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* timeZoneInformation : TIME_ZONE_INFORMATION* optional -> (ptr void) *)
(* localSystemTime : SYSTEMTIME* -> (ptr void) *)
(* localFileTime : FILETIME* out -> (ptr void) *)
(* 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("LocalSystemTimeToLocalFileTime" local-system-time-to-local-file-time :convention :stdcall) :int32
  (time-zone-information :pointer)   ; TIME_ZONE_INFORMATION* optional
  (local-system-time :pointer)   ; SYSTEMTIME*
  (local-file-time :pointer))   ; FILETIME* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $LocalSystemTimeToLocalFileTime = Win32::API::More->new('KERNEL32',
    'BOOL LocalSystemTimeToLocalFileTime(LPVOID timeZoneInformation, LPVOID localSystemTime, LPVOID localFileTime)');
# my $ret = $LocalSystemTimeToLocalFileTime->Call($timeZoneInformation, $localSystemTime, $localFileTime);
# timeZoneInformation : TIME_ZONE_INFORMATION* optional -> LPVOID
# localSystemTime : SYSTEMTIME* -> LPVOID
# localFileTime : FILETIME* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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