ホーム › Networking.WinInet › GetUrlCacheEntryInfoExA

GetUrlCacheEntryInfoExA

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(ANSI版)。

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

シグネチャ

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

BOOL GetUrlCacheEntryInfoExA(
    LPCSTR lpszUrl,
    INTERNET_CACHE_ENTRY_INFOA* lpCacheEntryInfo,   // optional
    DWORD* lpcbCacheEntryInfo,   // optional
    LPSTR lpszRedirectUrl,   // optional
    DWORD* lpcbRedirectUrl,   // optional
    void* lpReserved,   // optional
    DWORD dwFlags
);

パラメーター

名前	型	方向	説明
lpszUrl	LPCSTR	in	情報を取得するキャッシュエントリのURLを指すANSI文字列。
lpCacheEntryInfo	INTERNET_CACHE_ENTRY_INFOA*	inoutoptional	キャッシュエントリ情報を受け取るINTERNET_CACHE_ENTRY_INFOA構造体へのポインター。NULL可。
lpcbCacheEntryInfo	DWORD*	inoutoptional	lpCacheEntryInfoバッファのサイズ(バイト)を入出力するポインター。
lpszRedirectUrl	LPSTR	optional	リダイレクト先URLを受け取るANSIバッファ。不要ならNULL。
lpcbRedirectUrl	DWORD*	optional	lpszRedirectUrlバッファのサイズを入出力するポインター。
lpReserved	void*	optional	将来の拡張用の予約引数。NULLを指定する。
dwFlags	DWORD	in	取得動作を制御するフラグ。リダイレクト追跡の有無等を指定する。

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 GetUrlCacheEntryInfoExA(
    LPCSTR lpszUrl,
    INTERNET_CACHE_ENTRY_INFOA* lpCacheEntryInfo,   // optional
    DWORD* lpcbCacheEntryInfo,   // optional
    LPSTR lpszRedirectUrl,   // optional
    DWORD* lpcbRedirectUrl,   // optional
    void* lpReserved,   // optional
    DWORD dwFlags
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool GetUrlCacheEntryInfoExA(
    [MarshalAs(UnmanagedType.LPStr)] string lpszUrl,   // LPCSTR
    IntPtr lpCacheEntryInfo,   // INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    IntPtr lpcbCacheEntryInfo,   // DWORD* optional, in/out
    [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszRedirectUrl,   // LPSTR optional
    IntPtr lpcbRedirectUrl,   // DWORD* optional
    IntPtr lpReserved,   // void* optional
    uint dwFlags   // DWORD
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetUrlCacheEntryInfoExA(
    <MarshalAs(UnmanagedType.LPStr)> lpszUrl As String,   ' LPCSTR
    lpCacheEntryInfo As IntPtr,   ' INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    lpcbCacheEntryInfo As IntPtr,   ' DWORD* optional, in/out
    <MarshalAs(UnmanagedType.LPStr)> lpszRedirectUrl As System.Text.StringBuilder,   ' LPSTR optional
    lpcbRedirectUrl As IntPtr,   ' DWORD* optional
    lpReserved As IntPtr,   ' void* optional
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' lpszUrl : LPCSTR
' lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out
' lpcbCacheEntryInfo : DWORD* optional, in/out
' lpszRedirectUrl : LPSTR optional
' lpcbRedirectUrl : DWORD* optional
' lpReserved : void* optional
' dwFlags : DWORD
Declare PtrSafe Function GetUrlCacheEntryInfoExA Lib "wininet" ( _
    ByVal lpszUrl As String, _
    ByVal lpCacheEntryInfo As LongPtr, _
    ByVal lpcbCacheEntryInfo As LongPtr, _
    ByVal lpszRedirectUrl As String, _
    ByVal lpcbRedirectUrl As LongPtr, _
    ByVal lpReserved As LongPtr, _
    ByVal dwFlags 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

GetUrlCacheEntryInfoExA = ctypes.windll.wininet.GetUrlCacheEntryInfoExA
GetUrlCacheEntryInfoExA.restype = wintypes.BOOL
GetUrlCacheEntryInfoExA.argtypes = [
    wintypes.LPCSTR,  # lpszUrl : LPCSTR
    ctypes.c_void_p,  # lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpcbCacheEntryInfo : DWORD* optional, in/out
    wintypes.LPSTR,  # lpszRedirectUrl : LPSTR 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')
GetUrlCacheEntryInfoExA = Fiddle::Function.new(
  lib['GetUrlCacheEntryInfoExA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszUrl : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpcbCacheEntryInfo : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpszRedirectUrl : LPSTR optional
    Fiddle::TYPE_VOIDP,  # lpcbRedirectUrl : DWORD* optional
    Fiddle::TYPE_VOIDP,  # lpReserved : void* optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn GetUrlCacheEntryInfoExA(
        lpszUrl: *const u8,  // LPCSTR
        lpCacheEntryInfo: *mut INTERNET_CACHE_ENTRY_INFOA,  // INTERNET_CACHE_ENTRY_INFOA* optional, in/out
        lpcbCacheEntryInfo: *mut u32,  // DWORD* optional, in/out
        lpszRedirectUrl: *mut u8,  // LPSTR 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.Ansi, SetLastError = true)]
public static extern bool GetUrlCacheEntryInfoExA([MarshalAs(UnmanagedType.LPStr)] string lpszUrl, IntPtr lpCacheEntryInfo, IntPtr lpcbCacheEntryInfo, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszRedirectUrl, IntPtr lpcbRedirectUrl, IntPtr lpReserved, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_GetUrlCacheEntryInfoExA' -Namespace Win32 -PassThru
# $api::GetUrlCacheEntryInfoExA(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)

#uselib "WININET.dll"
#func global GetUrlCacheEntryInfoExA "GetUrlCacheEntryInfoExA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; GetUrlCacheEntryInfoExA lpszUrl, varptr(lpCacheEntryInfo), varptr(lpcbCacheEntryInfo), varptr(lpszRedirectUrl), varptr(lpcbRedirectUrl), lpReserved, dwFlags   ; 戻り値は stat
; lpszUrl : LPCSTR -> "sptr"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "sptr"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "sptr"
; lpszRedirectUrl : LPSTR optional -> "sptr"
; lpcbRedirectUrl : DWORD* optional -> "sptr"
; lpReserved : void* optional -> "sptr"
; dwFlags : 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。

出力引数:

#uselib "WININET.dll"
#cfunc global GetUrlCacheEntryInfoExA "GetUrlCacheEntryInfoExA" str, var, var, var, var, sptr, int
; res = GetUrlCacheEntryInfoExA(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)
; lpszUrl : LPCSTR -> "str"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "var"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "var"
; lpszRedirectUrl : LPSTR 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 GetUrlCacheEntryInfoExA "GetUrlCacheEntryInfoExA" str, sptr, sptr, sptr, sptr, sptr, int
; res = GetUrlCacheEntryInfoExA(lpszUrl, varptr(lpCacheEntryInfo), varptr(lpcbCacheEntryInfo), varptr(lpszRedirectUrl), varptr(lpcbRedirectUrl), lpReserved, dwFlags)
; lpszUrl : LPCSTR -> "str"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "sptr"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "sptr"
; lpszRedirectUrl : LPSTR 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 GetUrlCacheEntryInfoExA(LPCSTR lpszUrl, INTERNET_CACHE_ENTRY_INFOA* lpCacheEntryInfo, DWORD* lpcbCacheEntryInfo, LPSTR lpszRedirectUrl, DWORD* lpcbRedirectUrl, void* lpReserved, DWORD dwFlags)
#uselib "WININET.dll"
#cfunc global GetUrlCacheEntryInfoExA "GetUrlCacheEntryInfoExA" str, var, var, var, var, intptr, int
; res = GetUrlCacheEntryInfoExA(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)
; lpszUrl : LPCSTR -> "str"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "var"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "var"
; lpszRedirectUrl : LPSTR 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 GetUrlCacheEntryInfoExA(LPCSTR lpszUrl, INTERNET_CACHE_ENTRY_INFOA* lpCacheEntryInfo, DWORD* lpcbCacheEntryInfo, LPSTR lpszRedirectUrl, DWORD* lpcbRedirectUrl, void* lpReserved, DWORD dwFlags)
#uselib "WININET.dll"
#cfunc global GetUrlCacheEntryInfoExA "GetUrlCacheEntryInfoExA" str, intptr, intptr, intptr, intptr, intptr, int
; res = GetUrlCacheEntryInfoExA(lpszUrl, varptr(lpCacheEntryInfo), varptr(lpcbCacheEntryInfo), varptr(lpszRedirectUrl), varptr(lpcbRedirectUrl), lpReserved, dwFlags)
; lpszUrl : LPCSTR -> "str"
; lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "intptr"
; lpcbCacheEntryInfo : DWORD* optional, in/out -> "intptr"
; lpszRedirectUrl : LPSTR 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")
	procGetUrlCacheEntryInfoExA = wininet.NewProc("GetUrlCacheEntryInfoExA")
)

// lpszUrl (LPCSTR), lpCacheEntryInfo (INTERNET_CACHE_ENTRY_INFOA* optional, in/out), lpcbCacheEntryInfo (DWORD* optional, in/out), lpszRedirectUrl (LPSTR optional), lpcbRedirectUrl (DWORD* optional), lpReserved (void* optional), dwFlags (DWORD)
r1, _, err := procGetUrlCacheEntryInfoExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(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 GetUrlCacheEntryInfoExA(
  lpszUrl: PAnsiChar;   // LPCSTR
  lpCacheEntryInfo: Pointer;   // INTERNET_CACHE_ENTRY_INFOA* optional, in/out
  lpcbCacheEntryInfo: Pointer;   // DWORD* optional, in/out
  lpszRedirectUrl: PAnsiChar;   // LPSTR optional
  lpcbRedirectUrl: Pointer;   // DWORD* optional
  lpReserved: Pointer;   // void* optional
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'GetUrlCacheEntryInfoExA';

result := DllCall("WININET\GetUrlCacheEntryInfoExA"
    , "AStr", lpszUrl   ; LPCSTR
    , "Ptr", lpCacheEntryInfo   ; INTERNET_CACHE_ENTRY_INFOA* optional, in/out
    , "Ptr", lpcbCacheEntryInfo   ; DWORD* optional, in/out
    , "Ptr", lpszRedirectUrl   ; LPSTR optional
    , "Ptr", lpcbRedirectUrl   ; DWORD* optional
    , "Ptr", lpReserved   ; void* optional
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●GetUrlCacheEntryInfoExA(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags) = DLL("WININET.dll", "bool GetUrlCacheEntryInfoExA(char*, void*, void*, char*, void*, void*, dword)")
# 呼び出し: GetUrlCacheEntryInfoExA(lpszUrl, lpCacheEntryInfo, lpcbCacheEntryInfo, lpszRedirectUrl, lpcbRedirectUrl, lpReserved, dwFlags)
# lpszUrl : LPCSTR -> "char*"
# lpCacheEntryInfo : INTERNET_CACHE_ENTRY_INFOA* optional, in/out -> "void*"
# lpcbCacheEntryInfo : DWORD* optional, in/out -> "void*"
# lpszRedirectUrl : LPSTR 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)。