ホーム › Networking.WinInet › GetUrlCacheConfigInfoA

GetUrlCacheConfigInfoA

関数

URLキャッシュの構成情報を取得する。

DLLWININET.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// WININET.dll  (ANSI / -A)
#include <windows.h>

BOOL GetUrlCacheConfigInfoA(
    INTERNET_CACHE_CONFIG_INFOA* lpCacheConfigInfo,
    DWORD* lpcbCacheConfigInfo,   // optional
    CACHE_CONFIG dwFieldControl
);

パラメーター

名前	型	方向
lpCacheConfigInfo	INTERNET_CACHE_CONFIG_INFOA*	inout
lpcbCacheConfigInfo	DWORD*	optional
dwFieldControl	CACHE_CONFIG	in

戻り値の型: BOOL

各言語での呼び出し定義

// WININET.dll  (ANSI / -A)
#include <windows.h>

BOOL GetUrlCacheConfigInfoA(
    INTERNET_CACHE_CONFIG_INFOA* lpCacheConfigInfo,
    DWORD* lpcbCacheConfigInfo,   // optional
    CACHE_CONFIG dwFieldControl
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool GetUrlCacheConfigInfoA(
    IntPtr lpCacheConfigInfo,   // INTERNET_CACHE_CONFIG_INFOA* in/out
    IntPtr lpcbCacheConfigInfo,   // DWORD* optional
    uint dwFieldControl   // CACHE_CONFIG
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetUrlCacheConfigInfoA(
    lpCacheConfigInfo As IntPtr,   ' INTERNET_CACHE_CONFIG_INFOA* in/out
    lpcbCacheConfigInfo As IntPtr,   ' DWORD* optional
    dwFieldControl As UInteger   ' CACHE_CONFIG
) As Boolean
End Function

' lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out
' lpcbCacheConfigInfo : DWORD* optional
' dwFieldControl : CACHE_CONFIG
Declare PtrSafe Function GetUrlCacheConfigInfoA Lib "wininet" ( _
    ByVal lpCacheConfigInfo As LongPtr, _
    ByVal lpcbCacheConfigInfo As LongPtr, _
    ByVal dwFieldControl 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

GetUrlCacheConfigInfoA = ctypes.windll.wininet.GetUrlCacheConfigInfoA
GetUrlCacheConfigInfoA.restype = wintypes.BOOL
GetUrlCacheConfigInfoA.argtypes = [
    ctypes.c_void_p,  # lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out
    ctypes.POINTER(wintypes.DWORD),  # lpcbCacheConfigInfo : DWORD* optional
    wintypes.DWORD,  # dwFieldControl : CACHE_CONFIG
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
GetUrlCacheConfigInfoA = Fiddle::Function.new(
  lib['GetUrlCacheConfigInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out
    Fiddle::TYPE_VOIDP,  # lpcbCacheConfigInfo : DWORD* optional
    -Fiddle::TYPE_INT,  # dwFieldControl : CACHE_CONFIG
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn GetUrlCacheConfigInfoA(
        lpCacheConfigInfo: *mut INTERNET_CACHE_CONFIG_INFOA,  // INTERNET_CACHE_CONFIG_INFOA* in/out
        lpcbCacheConfigInfo: *mut u32,  // DWORD* optional
        dwFieldControl: u32  // CACHE_CONFIG
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool GetUrlCacheConfigInfoA(IntPtr lpCacheConfigInfo, IntPtr lpcbCacheConfigInfo, uint dwFieldControl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_GetUrlCacheConfigInfoA' -Namespace Win32 -PassThru
# $api::GetUrlCacheConfigInfoA(lpCacheConfigInfo, lpcbCacheConfigInfo, dwFieldControl)

#uselib "WININET.dll"
#func global GetUrlCacheConfigInfoA "GetUrlCacheConfigInfoA" sptr, sptr, sptr
; GetUrlCacheConfigInfoA varptr(lpCacheConfigInfo), varptr(lpcbCacheConfigInfo), dwFieldControl   ; 戻り値は stat
; lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out -> "sptr"
; lpcbCacheConfigInfo : DWORD* optional -> "sptr"
; dwFieldControl : CACHE_CONFIG -> "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 "WININET.dll"
#cfunc global GetUrlCacheConfigInfoA "GetUrlCacheConfigInfoA" var, var, int
; res = GetUrlCacheConfigInfoA(lpCacheConfigInfo, lpcbCacheConfigInfo, dwFieldControl)
; lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out -> "var"
; lpcbCacheConfigInfo : DWORD* optional -> "var"
; dwFieldControl : CACHE_CONFIG -> "int"
; ※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 "WININET.dll"
#cfunc global GetUrlCacheConfigInfoA "GetUrlCacheConfigInfoA" sptr, sptr, int
; res = GetUrlCacheConfigInfoA(varptr(lpCacheConfigInfo), varptr(lpcbCacheConfigInfo), dwFieldControl)
; lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out -> "sptr"
; lpcbCacheConfigInfo : DWORD* optional -> "sptr"
; dwFieldControl : CACHE_CONFIG -> "int"
; ※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 GetUrlCacheConfigInfoA(INTERNET_CACHE_CONFIG_INFOA* lpCacheConfigInfo, DWORD* lpcbCacheConfigInfo, CACHE_CONFIG dwFieldControl)
#uselib "WININET.dll"
#cfunc global GetUrlCacheConfigInfoA "GetUrlCacheConfigInfoA" var, var, int
; res = GetUrlCacheConfigInfoA(lpCacheConfigInfo, lpcbCacheConfigInfo, dwFieldControl)
; lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out -> "var"
; lpcbCacheConfigInfo : DWORD* optional -> "var"
; dwFieldControl : CACHE_CONFIG -> "int"
; ※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 GetUrlCacheConfigInfoA(INTERNET_CACHE_CONFIG_INFOA* lpCacheConfigInfo, DWORD* lpcbCacheConfigInfo, CACHE_CONFIG dwFieldControl)
#uselib "WININET.dll"
#cfunc global GetUrlCacheConfigInfoA "GetUrlCacheConfigInfoA" intptr, intptr, int
; res = GetUrlCacheConfigInfoA(varptr(lpCacheConfigInfo), varptr(lpcbCacheConfigInfo), dwFieldControl)
; lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out -> "intptr"
; lpcbCacheConfigInfo : DWORD* optional -> "intptr"
; dwFieldControl : CACHE_CONFIG -> "int"
; ※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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procGetUrlCacheConfigInfoA = wininet.NewProc("GetUrlCacheConfigInfoA")
)

// lpCacheConfigInfo (INTERNET_CACHE_CONFIG_INFOA* in/out), lpcbCacheConfigInfo (DWORD* optional), dwFieldControl (CACHE_CONFIG)
r1, _, err := procGetUrlCacheConfigInfoA.Call(
	uintptr(lpCacheConfigInfo),
	uintptr(lpcbCacheConfigInfo),
	uintptr(dwFieldControl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetUrlCacheConfigInfoA(
  lpCacheConfigInfo: Pointer;   // INTERNET_CACHE_CONFIG_INFOA* in/out
  lpcbCacheConfigInfo: Pointer;   // DWORD* optional
  dwFieldControl: DWORD   // CACHE_CONFIG
): BOOL; stdcall;
  external 'WININET.dll' name 'GetUrlCacheConfigInfoA';

result := DllCall("WININET\GetUrlCacheConfigInfoA"
    , "Ptr", lpCacheConfigInfo   ; INTERNET_CACHE_CONFIG_INFOA* in/out
    , "Ptr", lpcbCacheConfigInfo   ; DWORD* optional
    , "UInt", dwFieldControl   ; CACHE_CONFIG
    , "Int")   ; return: BOOL

●GetUrlCacheConfigInfoA(lpCacheConfigInfo, lpcbCacheConfigInfo, dwFieldControl) = DLL("WININET.dll", "bool GetUrlCacheConfigInfoA(void*, void*, dword)")
# 呼び出し: GetUrlCacheConfigInfoA(lpCacheConfigInfo, lpcbCacheConfigInfo, dwFieldControl)
# lpCacheConfigInfo : INTERNET_CACHE_CONFIG_INFOA* in/out -> "void*"
# lpcbCacheConfigInfo : DWORD* optional -> "void*"
# dwFieldControl : CACHE_CONFIG -> "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)。