CertSrvBackupRead

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

HRESULT CertSrvBackupRead(
    void* hbc,
    void* pvBuffer,
    DWORD cbBuffer,
    DWORD* pcbRead
);

<DllImport("certadm.dll", ExactSpelling:=True)>
Public Shared Function CertSrvBackupRead(
    hbc As IntPtr,   ' void* in/out
    pvBuffer As IntPtr,   ' void* in/out
    cbBuffer As UInteger,   ' DWORD
    ByRef pcbRead As UInteger   ' DWORD* in/out
) As Integer
End Function

' hbc : void* in/out
' pvBuffer : void* in/out
' cbBuffer : DWORD
' pcbRead : DWORD* in/out
Declare PtrSafe Function CertSrvBackupRead Lib "certadm" ( _
    ByVal hbc As LongPtr, _
    ByVal pvBuffer As LongPtr, _
    ByVal cbBuffer As Long, _
    ByRef pcbRead 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

CertSrvBackupRead = ctypes.windll.certadm.CertSrvBackupRead
CertSrvBackupRead.restype = ctypes.c_int
CertSrvBackupRead.argtypes = [
    ctypes.POINTER(None),  # hbc : void* in/out
    ctypes.POINTER(None),  # pvBuffer : void* in/out
    wintypes.DWORD,  # cbBuffer : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbRead : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('certadm.dll')
CertSrvBackupRead = Fiddle::Function.new(
  lib['CertSrvBackupRead'],
  [
    Fiddle::TYPE_VOIDP,  # hbc : void* in/out
    Fiddle::TYPE_VOIDP,  # pvBuffer : void* in/out
    -Fiddle::TYPE_INT,  # cbBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # pcbRead : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "certadm")]
extern "system" {
    fn CertSrvBackupRead(
        hbc: *mut (),  // void* in/out
        pvBuffer: *mut (),  // void* in/out
        cbBuffer: u32,  // DWORD
        pcbRead: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("certadm.dll")]
public static extern int CertSrvBackupRead(IntPtr hbc, IntPtr pvBuffer, uint cbBuffer, ref uint pcbRead);
"@
$api = Add-Type -MemberDefinition $sig -Name 'certadm_CertSrvBackupRead' -Namespace Win32 -PassThru
# $api::CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead)

#uselib "certadm.dll"
#func global CertSrvBackupRead "CertSrvBackupRead" sptr, sptr, sptr, sptr
; CertSrvBackupRead hbc, pvBuffer, cbBuffer, varptr(pcbRead)   ; 戻り値は stat
; hbc : void* in/out -> "sptr"
; pvBuffer : void* in/out -> "sptr"
; cbBuffer : DWORD -> "sptr"
; pcbRead : DWORD* in/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。

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

var (
	certadm = windows.NewLazySystemDLL("certadm.dll")
	procCertSrvBackupRead = certadm.NewProc("CertSrvBackupRead")
)

// hbc (void* in/out), pvBuffer (void* in/out), cbBuffer (DWORD), pcbRead (DWORD* in/out)
r1, _, err := procCertSrvBackupRead.Call(
	uintptr(hbc),
	uintptr(pvBuffer),
	uintptr(cbBuffer),
	uintptr(pcbRead),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CertSrvBackupRead(
  hbc: Pointer;   // void* in/out
  pvBuffer: Pointer;   // void* in/out
  cbBuffer: DWORD;   // DWORD
  pcbRead: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'certadm.dll' name 'CertSrvBackupRead';

result := DllCall("certadm\CertSrvBackupRead"
    , "Ptr", hbc   ; void* in/out
    , "Ptr", pvBuffer   ; void* in/out
    , "UInt", cbBuffer   ; DWORD
    , "Ptr", pcbRead   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead) = DLL("certadm.dll", "int CertSrvBackupRead(void*, void*, dword, void*)")
# 呼び出し: CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead)
# hbc : void* in/out -> "void*"
# pvBuffer : void* in/out -> "void*"
# cbBuffer : DWORD -> "dword"
# pcbRead : DWORD* in/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 "certadm" fn CertSrvBackupRead(
    hbc: ?*anyopaque, // void* in/out
    pvBuffer: ?*anyopaque, // void* in/out
    cbBuffer: u32, // DWORD
    pcbRead: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc CertSrvBackupRead(
    hbc: pointer,  # void* in/out
    pvBuffer: pointer,  # void* in/out
    cbBuffer: uint32,  # DWORD
    pcbRead: ptr uint32  # DWORD* in/out
): int32 {.importc: "CertSrvBackupRead", stdcall, dynlib: "certadm.dll".}

pragma(lib, "certadm");
extern(Windows)
int CertSrvBackupRead(
    void* hbc,   // void* in/out
    void* pvBuffer,   // void* in/out
    uint cbBuffer,   // DWORD
    uint* pcbRead   // DWORD* in/out
);

ccall((:CertSrvBackupRead, "certadm.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      hbc, pvBuffer, cbBuffer, pcbRead)
# hbc : void* in/out -> Ptr{Cvoid}
# pvBuffer : void* in/out -> Ptr{Cvoid}
# cbBuffer : DWORD -> UInt32
# pcbRead : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CertSrvBackupRead(
    void* hbc,
    void* pvBuffer,
    uint32_t cbBuffer,
    uint32_t* pcbRead);
]]
local certadm = ffi.load("certadm")
-- certadm.CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead)
-- hbc : void* in/out
-- pvBuffer : void* in/out
-- cbBuffer : DWORD
-- pcbRead : DWORD* in/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('certadm.dll');
const CertSrvBackupRead = lib.func('__stdcall', 'CertSrvBackupRead', 'int32_t', ['void *', 'void *', 'uint32_t', 'uint32_t *']);
// CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead)
// hbc : void* in/out -> 'void *'
// pvBuffer : void* in/out -> 'void *'
// cbBuffer : DWORD -> 'uint32_t'
// pcbRead : DWORD* in/out -> '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("certadm.dll", {
  CertSrvBackupRead: { parameters: ["pointer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead)
// hbc : void* in/out -> "pointer"
// pvBuffer : void* in/out -> "pointer"
// cbBuffer : DWORD -> "u32"
// pcbRead : DWORD* in/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 CertSrvBackupRead(
    void* hbc,
    void* pvBuffer,
    uint32_t cbBuffer,
    uint32_t* pcbRead);
C, "certadm.dll");
// $ffi->CertSrvBackupRead(hbc, pvBuffer, cbBuffer, pcbRead);
// hbc : void* in/out
// pvBuffer : void* in/out
// cbBuffer : DWORD
// pcbRead : DWORD* in/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 Certadm extends StdCallLibrary {
    Certadm INSTANCE = Native.load("certadm", Certadm.class);
    int CertSrvBackupRead(
        Pointer hbc,   // void* in/out
        Pointer pvBuffer,   // void* in/out
        int cbBuffer,   // DWORD
        IntByReference pcbRead   // DWORD* in/out
    );
}

@[Link("certadm")]
lib Libcertadm
  fun CertSrvBackupRead = CertSrvBackupRead(
    hbc : Void*,   # void* in/out
    pvBuffer : Void*,   # void* in/out
    cbBuffer : UInt32,   # DWORD
    pcbRead : UInt32*   # DWORD* in/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 CertSrvBackupReadNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef CertSrvBackupReadDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Uint32>);
final CertSrvBackupRead = DynamicLibrary.open('certadm.dll')
    .lookupFunction<CertSrvBackupReadNative, CertSrvBackupReadDart>('CertSrvBackupRead');
// hbc : void* in/out -> Pointer<Void>
// pvBuffer : void* in/out -> Pointer<Void>
// cbBuffer : DWORD -> Uint32
// pcbRead : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CertSrvBackupRead(
  hbc: Pointer;   // void* in/out
  pvBuffer: Pointer;   // void* in/out
  cbBuffer: DWORD;   // DWORD
  pcbRead: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'certadm.dll' name 'CertSrvBackupRead';

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

foreign import stdcall safe "CertSrvBackupRead"
  c_CertSrvBackupRead :: Ptr () -> Ptr () -> Word32 -> Ptr Word32 -> IO Int32
-- hbc : void* in/out -> Ptr ()
-- pvBuffer : void* in/out -> Ptr ()
-- cbBuffer : DWORD -> Word32
-- pcbRead : DWORD* in/out -> Ptr 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 certsrvbackupread =
  foreign "CertSrvBackupRead"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* hbc : void* in/out -> (ptr void) *)
(* pvBuffer : void* in/out -> (ptr void) *)
(* cbBuffer : DWORD -> uint32_t *)
(* pcbRead : DWORD* in/out -> (ptr 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 certadm (t "certadm.dll"))
(cffi:use-foreign-library certadm)

(cffi:defcfun ("CertSrvBackupRead" cert-srv-backup-read :convention :stdcall) :int32
  (hbc :pointer)   ; void* in/out
  (pv-buffer :pointer)   ; void* in/out
  (cb-buffer :uint32)   ; DWORD
  (pcb-read :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CertSrvBackupRead = Win32::API::More->new('certadm',
    'int CertSrvBackupRead(LPVOID hbc, LPVOID pvBuffer, DWORD cbBuffer, LPVOID pcbRead)');
# my $ret = $CertSrvBackupRead->Call($hbc, $pvBuffer, $cbBuffer, $pcbRead);
# hbc : void* in/out -> LPVOID
# pvBuffer : void* in/out -> LPVOID
# cbBuffer : DWORD -> DWORD
# pcbRead : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。