ホーム › Networking.WinInet › GetUrlCacheEntryInfoExW

GetUrlCacheEntryInfoExW

関数

リダイレクト対応でURLキャッシュエントリ情報を取得する(Unicode版)。

DLLWININET.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows 2000 以降

シグネチャ

// WININET.dll  (Unicode / -W)
#include <windows.h>

BOOL GetUrlCacheEntryInfoExW(
    LPCWSTR lpszUrl,
    INTERNET_CACHE_ENTRY_INFOW* lpCacheEntryInfo,   // optional
    DWORD* lpcbCacheEntryInfo,   // optional
    LPWSTR lpszRedirectUrl,   // optional
    DWORD* lpcbRedirectUrl,   // optional
    void* lpReserved,   // optional
    DWORD dwFlags
);

パラメーター

名前	型	方向
lpszUrl	LPCWSTR	in
lpCacheEntryInfo	INTERNET_CACHE_ENTRY_INFOW*	inoutoptional
lpcbCacheEntryInfo	DWORD*	inoutoptional
lpszRedirectUrl	LPWSTR	optional
lpcbRedirectUrl	DWORD*	optional
lpReserved	void*	optional
dwFlags	DWORD	in

戻り値の型: BOOL

各言語での呼び出し定義

// WININET.dll  (Unicode / -W)
#include <windows.h>

BOOL GetUrlCacheEntryInfoExW(
    LPCWSTR lpszUrl,
    INTERNET_CACHE_ENTRY_INFOW* lpCacheEntryInfo,   // optional
    DWORD* lpcbCacheEntryInfo,   // optional
    LPWSTR lpszRedirectUrl,   // optional
    DWORD* lpcbRedirectUrl,   // optional
    void* lpReserved,   // optional
    DWORD dwFlags
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool GetUrlCacheEntryInfoExW(
    [MarshalAs(UnmanagedType.LPWStr)] string lpszUrl,   // LPCWSTR
    IntPtr lpCacheEntryInfo,   // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    IntPtr lpcbCacheEntryInfo,   // DWORD* optional, in/out
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszRedirectUrl,   // LPWSTR optional
    IntPtr lpcbRedirectUrl,   // DWORD* optional
    IntPtr lpReserved,   // void* optional
    uint dwFlags   // DWORD
);

<DllImport("WININET.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetUrlCacheEntryInfoExW(
    <MarshalAs(UnmanagedType.LPWStr)> lpszUrl As String,   ' LPCWSTR
    lpCacheEntryInfo As IntPtr,   ' INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    lpcbCacheEntryInfo As IntPtr,   ' DWORD* optional, in/out
    <MarshalAs(UnmanagedType.LPWStr)> lpszRedirectUrl As System.Text.StringBuilder,   ' LPWSTR optional
    lpcbRedirectUrl As IntPtr,   ' DWORD* optional
    lpReserved As IntPtr,   ' void* optional
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' lpszUrl : LPCWSTR
' lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
' lpcbCacheEntryInfo : DWORD* optional, in/out
' lpszRedirectUrl : LPWSTR optional
' lpcbRedirectUrl : DWORD* optional
' lpReserved : void* optional
' dwFlags : DWORD
Declare PtrSafe Function GetUrlCacheEntryInfoExW Lib "wininet" ( _
    ByVal lpszUrl As LongPtr, _
    ByVal lpCacheEntryInfo As LongPtr, _
    ByVal lpcbCacheEntryInfo As LongPtr, _
    ByVal lpszRedirectUrl As LongPtr, _
    ByVal lpcbRedirectUrl As LongPtr, _
    ByVal lpReserved As LongPtr, _
    ByVal dwFlags As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetUrlCacheEntryInfoExW = ctypes.windll.wininet.GetUrlCacheEntryInfoExW
GetUrlCacheEntryInfoExW.restype = wintypes.BOOL
GetUrlCacheEntryInfoExW.argtypes = [
    wintypes.LPCWSTR,  # lpszUrl : LPCWSTR
    ctypes.c_void_p,  # lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpcbCacheEntryInfo : DWORD* optional, in/out
    wintypes.LPWSTR,  # lpszRedirectUrl : LPWSTR optional
    ctypes.POINTER(wintypes.DWORD),  # lpcbRedirectUrl : DWORD* optional
    ctypes.POINTER(None),  # lpReserved : void* optional
    wintypes.DWORD,  # dwFlags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
GetUrlCacheEntryInfoExW = Fiddle::Function.new(
  lib['GetUrlCacheEntryInfoExW'],
  [
    Fiddle::TYPE_VOIDP,  # lpszUrl : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpcbCacheEntryInfo : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpszRedirectUrl : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # lpcbRedirectUrl : DWORD* optional
    Fiddle::TYPE_VOIDP,  # lpReserved : void* optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wininet")]
extern "system" {
    fn GetUrlCacheEntryInfoExW(
        lpszUrl: *const u16,  // LPCWSTR
        lpCacheEntryInfo: *mut INTERNET_CACHE_ENTRY_INFOW,  // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
        lpcbCacheEntryInfo: *mut u32,  // DWORD* optional, in/out
        lpszRedirectUrl: *mut u16,  // LPWSTR optional
        lpcbRedirectUrl: *mut u32,  // DWORD* optional
        lpReserved: *mut (),  // void* optional
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool GetUrlCacheEntryInfoExW([MarshalAs(UnmanagedType.LPWStr)] string lpszUrl, IntPtr lpCacheEntryInfo, IntPtr lpcbCacheEntryInfo, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszRedirectUrl, IntPtr lpcbRedirectUrl, IntPtr lpReserved, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_GetUrlCacheEntryInfoExW' -Namespace Win32 -PassThru
# $api::GetUrlCacheEntryInfoExW(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)

#uselib "WININET.dll"
#func global GetUrlCacheEntryInfoExW "GetUrlCacheEntryInfoExW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; GetUrlCacheEntryInfoExW lpszUrl, varptr(lpCacheEntryInfo), varptr(lpcbCacheEntryInfo), varptr(lpszRedirectUrl), varptr(lpcbRedirectUrl), lpReserved, dwFlags   ; 戻り値は stat
; lpszUrl : LPCWSTR -> "wptr"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "wptr"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "wptr"
; lpszRedirectUrl : LPWSTR optional -> "wptr"
; lpcbRedirectUrl : DWORD* optional -> "wptr"
; lpReserved : void* optional -> "wptr"
; dwFlags : DWORD -> "wptr"
; ※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 GetUrlCacheEntryInfoExW "GetUrlCacheEntryInfoExW" wstr, var, var, var, var, sptr, int
; res = GetUrlCacheEntryInfoExW(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)
; lpszUrl : LPCWSTR -> "wstr"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "var"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "var"
; lpszRedirectUrl : LPWSTR optional -> "var"
; lpcbRedirectUrl : DWORD* optional -> "var"
; lpReserved : void* optional -> "sptr"
; dwFlags : DWORD -> "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 GetUrlCacheEntryInfoExW "GetUrlCacheEntryInfoExW" wstr, sptr, sptr, sptr, sptr, sptr, int
; res = GetUrlCacheEntryInfoExW(lpszUrl, varptr(lpCacheEntryInfo), varptr(lpcbCacheEntryInfo), varptr(lpszRedirectUrl), varptr(lpcbRedirectUrl), lpReserved, dwFlags)
; lpszUrl : LPCWSTR -> "wstr"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "sptr"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "sptr"
; lpszRedirectUrl : LPWSTR optional -> "sptr"
; lpcbRedirectUrl : DWORD* optional -> "sptr"
; lpReserved : void* optional -> "sptr"
; dwFlags : DWORD -> "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 GetUrlCacheEntryInfoExW(LPCWSTR lpszUrl, INTERNET_CACHE_ENTRY_INFOW* lpCacheEntryInfo, DWORD* lpcbCacheEntryInfo, LPWSTR lpszRedirectUrl, DWORD* lpcbRedirectUrl, void* lpReserved, DWORD dwFlags)
#uselib "WININET.dll"
#cfunc global GetUrlCacheEntryInfoExW "GetUrlCacheEntryInfoExW" wstr, var, var, var, var, intptr, int
; res = GetUrlCacheEntryInfoExW(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)
; lpszUrl : LPCWSTR -> "wstr"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "var"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "var"
; lpszRedirectUrl : LPWSTR optional -> "var"
; lpcbRedirectUrl : DWORD* optional -> "var"
; lpReserved : void* optional -> "intptr"
; dwFlags : DWORD -> "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 GetUrlCacheEntryInfoExW(LPCWSTR lpszUrl, INTERNET_CACHE_ENTRY_INFOW* lpCacheEntryInfo, DWORD* lpcbCacheEntryInfo, LPWSTR lpszRedirectUrl, DWORD* lpcbRedirectUrl, void* lpReserved, DWORD dwFlags)
#uselib "WININET.dll"
#cfunc global GetUrlCacheEntryInfoExW "GetUrlCacheEntryInfoExW" wstr, intptr, intptr, intptr, intptr, intptr, int
; res = GetUrlCacheEntryInfoExW(lpszUrl, varptr(lpCacheEntryInfo), varptr(lpcbCacheEntryInfo), varptr(lpszRedirectUrl), varptr(lpcbRedirectUrl), lpReserved, dwFlags)
; lpszUrl : LPCWSTR -> "wstr"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "intptr"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "intptr"
; lpszRedirectUrl : LPWSTR optional -> "intptr"
; lpcbRedirectUrl : DWORD* optional -> "intptr"
; lpReserved : void* optional -> "intptr"
; dwFlags : DWORD -> "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")
	procGetUrlCacheEntryInfoExW = wininet.NewProc("GetUrlCacheEntryInfoExW")
)

// lpszUrl (LPCWSTR), lpCacheEntryInfo (INTERNET_CACHE_ENTRY_INFOW* optional, in/out), lpcbCacheEntryInfo (DWORD* optional, in/out), lpszRedirectUrl (LPWSTR optional), lpcbRedirectUrl (DWORD* optional), lpReserved (void* optional), dwFlags (DWORD)
r1, _, err := procGetUrlCacheEntryInfoExW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszUrl))),
	uintptr(lpCacheEntryInfo),
	uintptr(lpcbCacheEntryInfo),
	uintptr(lpszRedirectUrl),
	uintptr(lpcbRedirectUrl),
	uintptr(lpReserved),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetUrlCacheEntryInfoExW(
  lpszUrl: PWideChar;   // LPCWSTR
  lpCacheEntryInfo: Pointer;   // INTERNET_CACHE_ENTRY_INFOW* optional, in/out
  lpcbCacheEntryInfo: Pointer;   // DWORD* optional, in/out
  lpszRedirectUrl: PWideChar;   // LPWSTR optional
  lpcbRedirectUrl: Pointer;   // DWORD* optional
  lpReserved: Pointer;   // void* optional
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'GetUrlCacheEntryInfoExW';

result := DllCall("WININET\GetUrlCacheEntryInfoExW"
    , "WStr", lpszUrl   ; LPCWSTR
    , "Ptr", lpCacheEntryInfo   ; INTERNET_CACHE_ENTRY_INFOW* optional, in/out
    , "Ptr", lpcbCacheEntryInfo   ; DWORD* optional, in/out
    , "Ptr", lpszRedirectUrl   ; LPWSTR optional
    , "Ptr", lpcbRedirectUrl   ; DWORD* optional
    , "Ptr", lpReserved   ; void* optional
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●GetUrlCacheEntryInfoExW(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags) = DLL("WININET.dll", "bool GetUrlCacheEntryInfoExW(char*, void*, void*, char*, void*, void*, dword)")
# 呼び出し: GetUrlCacheEntryInfoExW(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)
# lpszUrl : LPCWSTR -> "char*"
# lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOW* optional, in/out -> "void*"
# lpcbCacheEntryInfo : DWORD* optional, in/out -> "void*"
# lpszRedirectUrl : LPWSTR optional -> "char*"
# lpcbRedirectUrl : DWORD* optional -> "void*"
# lpReserved : void* optional -> "void*"
# dwFlags : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。