SetSystemFileCacheSize

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

BOOL SetSystemFileCacheSize(
    UINT_PTR MinimumFileCacheSize,
    UINT_PTR MaximumFileCacheSize,
    DWORD Flags
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetSystemFileCacheSize(
    MinimumFileCacheSize As UIntPtr,   ' UINT_PTR
    MaximumFileCacheSize As UIntPtr,   ' UINT_PTR
    Flags As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' MinimumFileCacheSize : UINT_PTR
' MaximumFileCacheSize : UINT_PTR
' Flags : DWORD
Declare PtrSafe Function SetSystemFileCacheSize Lib "kernel32" ( _
    ByVal MinimumFileCacheSize As LongPtr, _
    ByVal MaximumFileCacheSize As LongPtr, _
    ByVal Flags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetSystemFileCacheSize = ctypes.windll.kernel32.SetSystemFileCacheSize
SetSystemFileCacheSize.restype = wintypes.BOOL
SetSystemFileCacheSize.argtypes = [
    ctypes.c_size_t,  # MinimumFileCacheSize : UINT_PTR
    ctypes.c_size_t,  # MaximumFileCacheSize : UINT_PTR
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetSystemFileCacheSize = Fiddle::Function.new(
  lib['SetSystemFileCacheSize'],
  [
    Fiddle::TYPE_UINTPTR_T,  # MinimumFileCacheSize : UINT_PTR
    Fiddle::TYPE_UINTPTR_T,  # MaximumFileCacheSize : UINT_PTR
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetSystemFileCacheSize(
        MinimumFileCacheSize: usize,  // UINT_PTR
        MaximumFileCacheSize: usize,  // UINT_PTR
        Flags: u32  // DWORD
    ) -> 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 SetSystemFileCacheSize(UIntPtr MinimumFileCacheSize, UIntPtr MaximumFileCacheSize, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetSystemFileCacheSize' -Namespace Win32 -PassThru
# $api::SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)

#uselib "KERNEL32.dll"
#func global SetSystemFileCacheSize "SetSystemFileCacheSize" sptr, sptr, sptr
; SetSystemFileCacheSize MinimumFileCacheSize, MaximumFileCacheSize, Flags   ; 戻り値は stat
; MinimumFileCacheSize : UINT_PTR -> "sptr"
; MaximumFileCacheSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "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 SetSystemFileCacheSize "SetSystemFileCacheSize" sptr, sptr, int
; res = SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)
; MinimumFileCacheSize : UINT_PTR -> "sptr"
; MaximumFileCacheSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "int"

; BOOL SetSystemFileCacheSize(UINT_PTR MinimumFileCacheSize, UINT_PTR MaximumFileCacheSize, DWORD Flags)
#uselib "KERNEL32.dll"
#cfunc global SetSystemFileCacheSize "SetSystemFileCacheSize" intptr, intptr, int
; res = SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)
; MinimumFileCacheSize : UINT_PTR -> "intptr"
; MaximumFileCacheSize : UINT_PTR -> "intptr"
; Flags : DWORD -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetSystemFileCacheSize = kernel32.NewProc("SetSystemFileCacheSize")
)

// MinimumFileCacheSize (UINT_PTR), MaximumFileCacheSize (UINT_PTR), Flags (DWORD)
r1, _, err := procSetSystemFileCacheSize.Call(
	uintptr(MinimumFileCacheSize),
	uintptr(MaximumFileCacheSize),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetSystemFileCacheSize(
  MinimumFileCacheSize: NativeUInt;   // UINT_PTR
  MaximumFileCacheSize: NativeUInt;   // UINT_PTR
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetSystemFileCacheSize';

result := DllCall("KERNEL32\SetSystemFileCacheSize"
    , "UPtr", MinimumFileCacheSize   ; UINT_PTR
    , "UPtr", MaximumFileCacheSize   ; UINT_PTR
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL

●SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags) = DLL("KERNEL32.dll", "bool SetSystemFileCacheSize(int, int, dword)")
# 呼び出し: SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)
# MinimumFileCacheSize : UINT_PTR -> "int"
# MaximumFileCacheSize : UINT_PTR -> "int"
# Flags : DWORD -> "dword"
# 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 SetSystemFileCacheSize(
    MinimumFileCacheSize: usize, // UINT_PTR
    MaximumFileCacheSize: usize, // UINT_PTR
    Flags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc SetSystemFileCacheSize(
    MinimumFileCacheSize: uint,  # UINT_PTR
    MaximumFileCacheSize: uint,  # UINT_PTR
    Flags: uint32  # DWORD
): int32 {.importc: "SetSystemFileCacheSize", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int SetSystemFileCacheSize(
    size_t MinimumFileCacheSize,   // UINT_PTR
    size_t MaximumFileCacheSize,   // UINT_PTR
    uint Flags   // DWORD
);

ccall((:SetSystemFileCacheSize, "KERNEL32.dll"), stdcall, Int32,
      (Csize_t, Csize_t, UInt32),
      MinimumFileCacheSize, MaximumFileCacheSize, Flags)
# MinimumFileCacheSize : UINT_PTR -> Csize_t
# MaximumFileCacheSize : UINT_PTR -> Csize_t
# Flags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SetSystemFileCacheSize(
    uintptr_t MinimumFileCacheSize,
    uintptr_t MaximumFileCacheSize,
    uint32_t Flags);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)
-- MinimumFileCacheSize : UINT_PTR
-- MaximumFileCacheSize : UINT_PTR
-- Flags : DWORD
-- 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 SetSystemFileCacheSize = lib.func('__stdcall', 'SetSystemFileCacheSize', 'int32_t', ['uintptr_t', 'uintptr_t', 'uint32_t']);
// SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)
// MinimumFileCacheSize : UINT_PTR -> 'uintptr_t'
// MaximumFileCacheSize : UINT_PTR -> 'uintptr_t'
// Flags : DWORD -> 'uint32_t'
// 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", {
  SetSystemFileCacheSize: { parameters: ["usize", "usize", "u32"], result: "i32" },
});
// lib.symbols.SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags)
// MinimumFileCacheSize : UINT_PTR -> "usize"
// MaximumFileCacheSize : UINT_PTR -> "usize"
// Flags : DWORD -> "u32"
// 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 SetSystemFileCacheSize(
    size_t MinimumFileCacheSize,
    size_t MaximumFileCacheSize,
    uint32_t Flags);
C, "KERNEL32.dll");
// $ffi->SetSystemFileCacheSize(MinimumFileCacheSize, MaximumFileCacheSize, Flags);
// MinimumFileCacheSize : UINT_PTR
// MaximumFileCacheSize : UINT_PTR
// Flags : DWORD
// 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 SetSystemFileCacheSize(
        long MinimumFileCacheSize,   // UINT_PTR
        long MaximumFileCacheSize,   // UINT_PTR
        int Flags   // DWORD
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun SetSystemFileCacheSize = SetSystemFileCacheSize(
    MinimumFileCacheSize : LibC::SizeT,   # UINT_PTR
    MaximumFileCacheSize : LibC::SizeT,   # UINT_PTR
    Flags : UInt32   # DWORD
  ) : 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 SetSystemFileCacheSizeNative = Int32 Function(UintPtr, UintPtr, Uint32);
typedef SetSystemFileCacheSizeDart = int Function(int, int, int);
final SetSystemFileCacheSize = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetSystemFileCacheSizeNative, SetSystemFileCacheSizeDart>('SetSystemFileCacheSize');
// MinimumFileCacheSize : UINT_PTR -> UintPtr
// MaximumFileCacheSize : UINT_PTR -> UintPtr
// Flags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetSystemFileCacheSize(
  MinimumFileCacheSize: NativeUInt;   // UINT_PTR
  MaximumFileCacheSize: NativeUInt;   // UINT_PTR
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetSystemFileCacheSize';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetSystemFileCacheSize"
  c_SetSystemFileCacheSize :: CUIntPtr -> CUIntPtr -> Word32 -> IO CInt
-- MinimumFileCacheSize : UINT_PTR -> CUIntPtr
-- MaximumFileCacheSize : UINT_PTR -> CUIntPtr
-- Flags : DWORD -> Word32
-- 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 setsystemfilecachesize =
  foreign "SetSystemFileCacheSize"
    (size_t @-> size_t @-> uint32_t @-> returning int32_t)
(* MinimumFileCacheSize : UINT_PTR -> size_t *)
(* MaximumFileCacheSize : UINT_PTR -> size_t *)
(* Flags : DWORD -> uint32_t *)
(* 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 ("SetSystemFileCacheSize" set-system-file-cache-size :convention :stdcall) :int32
  (minimum-file-cache-size :uint64)   ; UINT_PTR
  (maximum-file-cache-size :uint64)   ; UINT_PTR
  (flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetSystemFileCacheSize = Win32::API::More->new('KERNEL32',
    'BOOL SetSystemFileCacheSize(WPARAM MinimumFileCacheSize, WPARAM MaximumFileCacheSize, DWORD Flags)');
# my $ret = $SetSystemFileCacheSize->Call($MinimumFileCacheSize, $MaximumFileCacheSize, $Flags);
# MinimumFileCacheSize : UINT_PTR -> WPARAM
# MaximumFileCacheSize : UINT_PTR -> WPARAM
# Flags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。