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TestApplyPatchToFileByBuffers

関数
メモリバッファ上のパッチが適用可能かを検証する。
DLLmspatcha.dll呼出規約winapi

シグネチャ

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

BOOL TestApplyPatchToFileByBuffers(
    BYTE* PatchFileBuffer,
    DWORD PatchFileSize,
    BYTE* OldFileBuffer,   // optional
    DWORD OldFileSize,
    DWORD* NewFileSize,   // optional
    DWORD ApplyOptionFlags
);

パラメーター

名前方向説明
PatchFileBufferBYTE*inパッチデータを格納したメモリバッファへのポインタ。
PatchFileSizeDWORDinPatchFileBuffer のサイズ。バイト数で指定する。
OldFileBufferBYTE*inoptional旧ファイルデータを格納したメモリバッファへのポインタ。
OldFileSizeDWORDinOldFileBuffer のサイズ。バイト数で指定する。
NewFileSizeDWORD*outoptional適用後に生成される新ファイルのサイズを受け取る出力ポインタ。NULL 可。
ApplyOptionFlagsDWORDin適用検証動作を制御するフラグ。APPLY_OPTION_* の組み合わせを指定する。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL TestApplyPatchToFileByBuffers(
    BYTE* PatchFileBuffer,
    DWORD PatchFileSize,
    BYTE* OldFileBuffer,   // optional
    DWORD OldFileSize,
    DWORD* NewFileSize,   // optional
    DWORD ApplyOptionFlags
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("mspatcha.dll", ExactSpelling = true)]
static extern bool TestApplyPatchToFileByBuffers(
    IntPtr PatchFileBuffer,   // BYTE*
    uint PatchFileSize,   // DWORD
    IntPtr OldFileBuffer,   // BYTE* optional
    uint OldFileSize,   // DWORD
    IntPtr NewFileSize,   // DWORD* optional, out
    uint ApplyOptionFlags   // DWORD
);
<DllImport("mspatcha.dll", ExactSpelling:=True)>
Public Shared Function TestApplyPatchToFileByBuffers(
    PatchFileBuffer As IntPtr,   ' BYTE*
    PatchFileSize As UInteger,   ' DWORD
    OldFileBuffer As IntPtr,   ' BYTE* optional
    OldFileSize As UInteger,   ' DWORD
    NewFileSize As IntPtr,   ' DWORD* optional, out
    ApplyOptionFlags As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' PatchFileBuffer : BYTE*
' PatchFileSize : DWORD
' OldFileBuffer : BYTE* optional
' OldFileSize : DWORD
' NewFileSize : DWORD* optional, out
' ApplyOptionFlags : DWORD
Declare PtrSafe Function TestApplyPatchToFileByBuffers Lib "mspatcha" ( _
    ByVal PatchFileBuffer As LongPtr, _
    ByVal PatchFileSize As Long, _
    ByVal OldFileBuffer As LongPtr, _
    ByVal OldFileSize As Long, _
    ByVal NewFileSize As LongPtr, _
    ByVal ApplyOptionFlags 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

TestApplyPatchToFileByBuffers = ctypes.windll.mspatcha.TestApplyPatchToFileByBuffers
TestApplyPatchToFileByBuffers.restype = wintypes.BOOL
TestApplyPatchToFileByBuffers.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # PatchFileBuffer : BYTE*
    wintypes.DWORD,  # PatchFileSize : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # OldFileBuffer : BYTE* optional
    wintypes.DWORD,  # OldFileSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # NewFileSize : DWORD* optional, out
    wintypes.DWORD,  # ApplyOptionFlags : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mspatcha.dll')
TestApplyPatchToFileByBuffers = Fiddle::Function.new(
  lib['TestApplyPatchToFileByBuffers'],
  [
    Fiddle::TYPE_VOIDP,  # PatchFileBuffer : BYTE*
    -Fiddle::TYPE_INT,  # PatchFileSize : DWORD
    Fiddle::TYPE_VOIDP,  # OldFileBuffer : BYTE* optional
    -Fiddle::TYPE_INT,  # OldFileSize : DWORD
    Fiddle::TYPE_VOIDP,  # NewFileSize : DWORD* optional, out
    -Fiddle::TYPE_INT,  # ApplyOptionFlags : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "mspatcha")]
extern "system" {
    fn TestApplyPatchToFileByBuffers(
        PatchFileBuffer: *mut u8,  // BYTE*
        PatchFileSize: u32,  // DWORD
        OldFileBuffer: *mut u8,  // BYTE* optional
        OldFileSize: u32,  // DWORD
        NewFileSize: *mut u32,  // DWORD* optional, out
        ApplyOptionFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("mspatcha.dll")]
public static extern bool TestApplyPatchToFileByBuffers(IntPtr PatchFileBuffer, uint PatchFileSize, IntPtr OldFileBuffer, uint OldFileSize, IntPtr NewFileSize, uint ApplyOptionFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mspatcha_TestApplyPatchToFileByBuffers' -Namespace Win32 -PassThru
# $api::TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
#uselib "mspatcha.dll"
#func global TestApplyPatchToFileByBuffers "TestApplyPatchToFileByBuffers" sptr, sptr, sptr, sptr, sptr, sptr
; TestApplyPatchToFileByBuffers varptr(PatchFileBuffer), PatchFileSize, varptr(OldFileBuffer), OldFileSize, varptr(NewFileSize), ApplyOptionFlags   ; 戻り値は stat
; PatchFileBuffer : BYTE* -> "sptr"
; PatchFileSize : DWORD -> "sptr"
; OldFileBuffer : BYTE* optional -> "sptr"
; OldFileSize : DWORD -> "sptr"
; NewFileSize : DWORD* optional, out -> "sptr"
; ApplyOptionFlags : 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 "mspatcha.dll"
#cfunc global TestApplyPatchToFileByBuffers "TestApplyPatchToFileByBuffers" var, int, var, int, var, int
; res = TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
; PatchFileBuffer : BYTE* -> "var"
; PatchFileSize : DWORD -> "int"
; OldFileBuffer : BYTE* optional -> "var"
; OldFileSize : DWORD -> "int"
; NewFileSize : DWORD* optional, out -> "var"
; ApplyOptionFlags : 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。
出力引数:
; BOOL TestApplyPatchToFileByBuffers(BYTE* PatchFileBuffer, DWORD PatchFileSize, BYTE* OldFileBuffer, DWORD OldFileSize, DWORD* NewFileSize, DWORD ApplyOptionFlags)
#uselib "mspatcha.dll"
#cfunc global TestApplyPatchToFileByBuffers "TestApplyPatchToFileByBuffers" var, int, var, int, var, int
; res = TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
; PatchFileBuffer : BYTE* -> "var"
; PatchFileSize : DWORD -> "int"
; OldFileBuffer : BYTE* optional -> "var"
; OldFileSize : DWORD -> "int"
; NewFileSize : DWORD* optional, out -> "var"
; ApplyOptionFlags : 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mspatcha = windows.NewLazySystemDLL("mspatcha.dll")
	procTestApplyPatchToFileByBuffers = mspatcha.NewProc("TestApplyPatchToFileByBuffers")
)

// PatchFileBuffer (BYTE*), PatchFileSize (DWORD), OldFileBuffer (BYTE* optional), OldFileSize (DWORD), NewFileSize (DWORD* optional, out), ApplyOptionFlags (DWORD)
r1, _, err := procTestApplyPatchToFileByBuffers.Call(
	uintptr(PatchFileBuffer),
	uintptr(PatchFileSize),
	uintptr(OldFileBuffer),
	uintptr(OldFileSize),
	uintptr(NewFileSize),
	uintptr(ApplyOptionFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function TestApplyPatchToFileByBuffers(
  PatchFileBuffer: Pointer;   // BYTE*
  PatchFileSize: DWORD;   // DWORD
  OldFileBuffer: Pointer;   // BYTE* optional
  OldFileSize: DWORD;   // DWORD
  NewFileSize: Pointer;   // DWORD* optional, out
  ApplyOptionFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'mspatcha.dll' name 'TestApplyPatchToFileByBuffers';
result := DllCall("mspatcha\TestApplyPatchToFileByBuffers"
    , "Ptr", PatchFileBuffer   ; BYTE*
    , "UInt", PatchFileSize   ; DWORD
    , "Ptr", OldFileBuffer   ; BYTE* optional
    , "UInt", OldFileSize   ; DWORD
    , "Ptr", NewFileSize   ; DWORD* optional, out
    , "UInt", ApplyOptionFlags   ; DWORD
    , "Int")   ; return: BOOL
●TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags) = DLL("mspatcha.dll", "bool TestApplyPatchToFileByBuffers(void*, dword, void*, dword, void*, dword)")
# 呼び出し: TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
# PatchFileBuffer : BYTE* -> "void*"
# PatchFileSize : DWORD -> "dword"
# OldFileBuffer : BYTE* optional -> "void*"
# OldFileSize : DWORD -> "dword"
# NewFileSize : DWORD* optional, out -> "void*"
# ApplyOptionFlags : 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 "mspatcha" fn TestApplyPatchToFileByBuffers(
    PatchFileBuffer: [*c]u8, // BYTE*
    PatchFileSize: u32, // DWORD
    OldFileBuffer: [*c]u8, // BYTE* optional
    OldFileSize: u32, // DWORD
    NewFileSize: [*c]u32, // DWORD* optional, out
    ApplyOptionFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
proc TestApplyPatchToFileByBuffers(
    PatchFileBuffer: ptr uint8,  # BYTE*
    PatchFileSize: uint32,  # DWORD
    OldFileBuffer: ptr uint8,  # BYTE* optional
    OldFileSize: uint32,  # DWORD
    NewFileSize: ptr uint32,  # DWORD* optional, out
    ApplyOptionFlags: uint32  # DWORD
): int32 {.importc: "TestApplyPatchToFileByBuffers", stdcall, dynlib: "mspatcha.dll".}
pragma(lib, "mspatcha");
extern(Windows)
int TestApplyPatchToFileByBuffers(
    ubyte* PatchFileBuffer,   // BYTE*
    uint PatchFileSize,   // DWORD
    ubyte* OldFileBuffer,   // BYTE* optional
    uint OldFileSize,   // DWORD
    uint* NewFileSize,   // DWORD* optional, out
    uint ApplyOptionFlags   // DWORD
);
ccall((:TestApplyPatchToFileByBuffers, "mspatcha.dll"), stdcall, Int32,
      (Ptr{UInt8}, UInt32, Ptr{UInt8}, UInt32, Ptr{UInt32}, UInt32),
      PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
# PatchFileBuffer : BYTE* -> Ptr{UInt8}
# PatchFileSize : DWORD -> UInt32
# OldFileBuffer : BYTE* optional -> Ptr{UInt8}
# OldFileSize : DWORD -> UInt32
# NewFileSize : DWORD* optional, out -> Ptr{UInt32}
# ApplyOptionFlags : 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 TestApplyPatchToFileByBuffers(
    uint8_t* PatchFileBuffer,
    uint32_t PatchFileSize,
    uint8_t* OldFileBuffer,
    uint32_t OldFileSize,
    uint32_t* NewFileSize,
    uint32_t ApplyOptionFlags);
]]
local mspatcha = ffi.load("mspatcha")
-- mspatcha.TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
-- PatchFileBuffer : BYTE*
-- PatchFileSize : DWORD
-- OldFileBuffer : BYTE* optional
-- OldFileSize : DWORD
-- NewFileSize : DWORD* optional, out
-- ApplyOptionFlags : 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('mspatcha.dll');
const TestApplyPatchToFileByBuffers = lib.func('__stdcall', 'TestApplyPatchToFileByBuffers', 'int32_t', ['uint8_t *', 'uint32_t', 'uint8_t *', 'uint32_t', 'uint32_t *', 'uint32_t']);
// TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
// PatchFileBuffer : BYTE* -> 'uint8_t *'
// PatchFileSize : DWORD -> 'uint32_t'
// OldFileBuffer : BYTE* optional -> 'uint8_t *'
// OldFileSize : DWORD -> 'uint32_t'
// NewFileSize : DWORD* optional, out -> 'uint32_t *'
// ApplyOptionFlags : 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("mspatcha.dll", {
  TestApplyPatchToFileByBuffers: { parameters: ["pointer", "u32", "pointer", "u32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags)
// PatchFileBuffer : BYTE* -> "pointer"
// PatchFileSize : DWORD -> "u32"
// OldFileBuffer : BYTE* optional -> "pointer"
// OldFileSize : DWORD -> "u32"
// NewFileSize : DWORD* optional, out -> "pointer"
// ApplyOptionFlags : 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 TestApplyPatchToFileByBuffers(
    uint8_t* PatchFileBuffer,
    uint32_t PatchFileSize,
    uint8_t* OldFileBuffer,
    uint32_t OldFileSize,
    uint32_t* NewFileSize,
    uint32_t ApplyOptionFlags);
C, "mspatcha.dll");
// $ffi->TestApplyPatchToFileByBuffers(PatchFileBuffer, PatchFileSize, OldFileBuffer, OldFileSize, NewFileSize, ApplyOptionFlags);
// PatchFileBuffer : BYTE*
// PatchFileSize : DWORD
// OldFileBuffer : BYTE* optional
// OldFileSize : DWORD
// NewFileSize : DWORD* optional, out
// ApplyOptionFlags : 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 Mspatcha extends StdCallLibrary {
    Mspatcha INSTANCE = Native.load("mspatcha", Mspatcha.class);
    boolean TestApplyPatchToFileByBuffers(
        byte[] PatchFileBuffer,   // BYTE*
        int PatchFileSize,   // DWORD
        byte[] OldFileBuffer,   // BYTE* optional
        int OldFileSize,   // DWORD
        IntByReference NewFileSize,   // DWORD* optional, out
        int ApplyOptionFlags   // DWORD
    );
}
@[Link("mspatcha")]
lib Libmspatcha
  fun TestApplyPatchToFileByBuffers = TestApplyPatchToFileByBuffers(
    PatchFileBuffer : UInt8*,   # BYTE*
    PatchFileSize : UInt32,   # DWORD
    OldFileBuffer : UInt8*,   # BYTE* optional
    OldFileSize : UInt32,   # DWORD
    NewFileSize : UInt32*,   # DWORD* optional, out
    ApplyOptionFlags : 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 TestApplyPatchToFileByBuffersNative = Int32 Function(Pointer<Uint8>, Uint32, Pointer<Uint8>, Uint32, Pointer<Uint32>, Uint32);
typedef TestApplyPatchToFileByBuffersDart = int Function(Pointer<Uint8>, int, Pointer<Uint8>, int, Pointer<Uint32>, int);
final TestApplyPatchToFileByBuffers = DynamicLibrary.open('mspatcha.dll')
    .lookupFunction<TestApplyPatchToFileByBuffersNative, TestApplyPatchToFileByBuffersDart>('TestApplyPatchToFileByBuffers');
// PatchFileBuffer : BYTE* -> Pointer<Uint8>
// PatchFileSize : DWORD -> Uint32
// OldFileBuffer : BYTE* optional -> Pointer<Uint8>
// OldFileSize : DWORD -> Uint32
// NewFileSize : DWORD* optional, out -> Pointer<Uint32>
// ApplyOptionFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function TestApplyPatchToFileByBuffers(
  PatchFileBuffer: Pointer;   // BYTE*
  PatchFileSize: DWORD;   // DWORD
  OldFileBuffer: Pointer;   // BYTE* optional
  OldFileSize: DWORD;   // DWORD
  NewFileSize: Pointer;   // DWORD* optional, out
  ApplyOptionFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'mspatcha.dll' name 'TestApplyPatchToFileByBuffers';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "TestApplyPatchToFileByBuffers"
  c_TestApplyPatchToFileByBuffers :: Ptr Word8 -> Word32 -> Ptr Word8 -> Word32 -> Ptr Word32 -> Word32 -> IO CInt
-- PatchFileBuffer : BYTE* -> Ptr Word8
-- PatchFileSize : DWORD -> Word32
-- OldFileBuffer : BYTE* optional -> Ptr Word8
-- OldFileSize : DWORD -> Word32
-- NewFileSize : DWORD* optional, out -> Ptr Word32
-- ApplyOptionFlags : 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 testapplypatchtofilebybuffers =
  foreign "TestApplyPatchToFileByBuffers"
    ((ptr uint8_t) @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* PatchFileBuffer : BYTE* -> (ptr uint8_t) *)
(* PatchFileSize : DWORD -> uint32_t *)
(* OldFileBuffer : BYTE* optional -> (ptr uint8_t) *)
(* OldFileSize : DWORD -> uint32_t *)
(* NewFileSize : DWORD* optional, out -> (ptr uint32_t) *)
(* ApplyOptionFlags : 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 mspatcha (t "mspatcha.dll"))
(cffi:use-foreign-library mspatcha)

(cffi:defcfun ("TestApplyPatchToFileByBuffers" test-apply-patch-to-file-by-buffers :convention :stdcall) :int32
  (patch-file-buffer :pointer)   ; BYTE*
  (patch-file-size :uint32)   ; DWORD
  (old-file-buffer :pointer)   ; BYTE* optional
  (old-file-size :uint32)   ; DWORD
  (new-file-size :pointer)   ; DWORD* optional, out
  (apply-option-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 $TestApplyPatchToFileByBuffers = Win32::API::More->new('mspatcha',
    'BOOL TestApplyPatchToFileByBuffers(LPVOID PatchFileBuffer, DWORD PatchFileSize, LPVOID OldFileBuffer, DWORD OldFileSize, LPVOID NewFileSize, DWORD ApplyOptionFlags)');
# my $ret = $TestApplyPatchToFileByBuffers->Call($PatchFileBuffer, $PatchFileSize, $OldFileBuffer, $OldFileSize, $NewFileSize, $ApplyOptionFlags);
# PatchFileBuffer : BYTE* -> LPVOID
# PatchFileSize : DWORD -> DWORD
# OldFileBuffer : BYTE* optional -> LPVOID
# OldFileSize : DWORD -> DWORD
# NewFileSize : DWORD* optional, out -> LPVOID
# ApplyOptionFlags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。