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CreatePatchFileByHandlesEx

関数
複数の旧ファイルハンドルと進捗コールバックで差分パッチを作成する。
DLLmspatchc.dll呼出規約winapi

シグネチャ

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

BOOL CreatePatchFileByHandlesEx(
    DWORD OldFileCount,
    PATCH_OLD_FILE_INFO_H* OldFileInfoArray,
    HANDLE NewFileHandle,
    HANDLE PatchFileHandle,
    DWORD OptionFlags,
    PATCH_OPTION_DATA* OptionData,   // optional
    PPATCH_PROGRESS_CALLBACK ProgressCallback,   // optional
    void* CallbackContext   // optional
);

パラメーター

名前型方向説明
OldFileCountDWORDinOldFileInfoArray の要素数。基準とする旧ファイルの個数を指定する。
OldFileInfoArrayPATCH_OLD_FILE_INFO_H*in旧ファイル情報の配列(PATCH_OLD_FILE_INFO_H)。各要素にハンドルや範囲を持つ。
NewFileHandleHANDLEin差分の目標となる新ファイルのハンドル。読み取り可能で開く必要がある。
PatchFileHandleHANDLEin生成したパッチを書き込む出力ファイルのハンドル。書き込み可能で開く。
OptionFlagsDWORDinパッチ生成動作を制御するフラグ。PATCH_OPTION_* の組み合わせを指定する。
OptionDataPATCH_OPTION_DATA*inoptional詳細オプションを指定する PATCH_OPTION_DATA 構造体へのポインタ。NULL 可。
ProgressCallbackPPATCH_PROGRESS_CALLBACKinoptional進捗を通知するコールバック関数。不要なら NULL を指定する。
CallbackContextvoid*inoptionalコールバックへ渡されるユーザー定義のコンテキストポインタ。NULL 可。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CreatePatchFileByHandlesEx(
    DWORD OldFileCount,
    PATCH_OLD_FILE_INFO_H* OldFileInfoArray,
    HANDLE NewFileHandle,
    HANDLE PatchFileHandle,
    DWORD OptionFlags,
    PATCH_OPTION_DATA* OptionData,   // optional
    PPATCH_PROGRESS_CALLBACK ProgressCallback,   // optional
    void* CallbackContext   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("mspatchc.dll", ExactSpelling = true)]
static extern bool CreatePatchFileByHandlesEx(
    uint OldFileCount,   // DWORD
    IntPtr OldFileInfoArray,   // PATCH_OLD_FILE_INFO_H*
    IntPtr NewFileHandle,   // HANDLE
    IntPtr PatchFileHandle,   // HANDLE
    uint OptionFlags,   // DWORD
    IntPtr OptionData,   // PATCH_OPTION_DATA* optional
    IntPtr ProgressCallback,   // PPATCH_PROGRESS_CALLBACK optional
    IntPtr CallbackContext   // void* optional
);
<DllImport("mspatchc.dll", ExactSpelling:=True)>
Public Shared Function CreatePatchFileByHandlesEx(
    OldFileCount As UInteger,   ' DWORD
    OldFileInfoArray As IntPtr,   ' PATCH_OLD_FILE_INFO_H*
    NewFileHandle As IntPtr,   ' HANDLE
    PatchFileHandle As IntPtr,   ' HANDLE
    OptionFlags As UInteger,   ' DWORD
    OptionData As IntPtr,   ' PATCH_OPTION_DATA* optional
    ProgressCallback As IntPtr,   ' PPATCH_PROGRESS_CALLBACK optional
    CallbackContext As IntPtr   ' void* optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' OldFileCount : DWORD
' OldFileInfoArray : PATCH_OLD_FILE_INFO_H*
' NewFileHandle : HANDLE
' PatchFileHandle : HANDLE
' OptionFlags : DWORD
' OptionData : PATCH_OPTION_DATA* optional
' ProgressCallback : PPATCH_PROGRESS_CALLBACK optional
' CallbackContext : void* optional
Declare PtrSafe Function CreatePatchFileByHandlesEx Lib "mspatchc" ( _
    ByVal OldFileCount As Long, _
    ByVal OldFileInfoArray As LongPtr, _
    ByVal NewFileHandle As LongPtr, _
    ByVal PatchFileHandle As LongPtr, _
    ByVal OptionFlags As Long, _
    ByVal OptionData As LongPtr, _
    ByVal ProgressCallback As LongPtr, _
    ByVal CallbackContext As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

CreatePatchFileByHandlesEx = ctypes.windll.mspatchc.CreatePatchFileByHandlesEx
CreatePatchFileByHandlesEx.restype = wintypes.BOOL
CreatePatchFileByHandlesEx.argtypes = [
    wintypes.DWORD,  # OldFileCount : DWORD
    ctypes.c_void_p,  # OldFileInfoArray : PATCH_OLD_FILE_INFO_H*
    wintypes.HANDLE,  # NewFileHandle : HANDLE
    wintypes.HANDLE,  # PatchFileHandle : HANDLE
    wintypes.DWORD,  # OptionFlags : DWORD
    ctypes.c_void_p,  # OptionData : PATCH_OPTION_DATA* optional
    ctypes.c_void_p,  # ProgressCallback : PPATCH_PROGRESS_CALLBACK optional
    ctypes.POINTER(None),  # CallbackContext : void* optional
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mspatchc.dll')
CreatePatchFileByHandlesEx = Fiddle::Function.new(
  lib['CreatePatchFileByHandlesEx'],
  [
    -Fiddle::TYPE_INT,  # OldFileCount : DWORD
    Fiddle::TYPE_VOIDP,  # OldFileInfoArray : PATCH_OLD_FILE_INFO_H*
    Fiddle::TYPE_VOIDP,  # NewFileHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # PatchFileHandle : HANDLE
    -Fiddle::TYPE_INT,  # OptionFlags : DWORD
    Fiddle::TYPE_VOIDP,  # OptionData : PATCH_OPTION_DATA* optional
    Fiddle::TYPE_VOIDP,  # ProgressCallback : PPATCH_PROGRESS_CALLBACK optional
    Fiddle::TYPE_VOIDP,  # CallbackContext : void* optional
  ],
  Fiddle::TYPE_INT)
#[link(name = "mspatchc")]
extern "system" {
    fn CreatePatchFileByHandlesEx(
        OldFileCount: u32,  // DWORD
        OldFileInfoArray: *mut PATCH_OLD_FILE_INFO_H,  // PATCH_OLD_FILE_INFO_H*
        NewFileHandle: *mut core::ffi::c_void,  // HANDLE
        PatchFileHandle: *mut core::ffi::c_void,  // HANDLE
        OptionFlags: u32,  // DWORD
        OptionData: *mut PATCH_OPTION_DATA,  // PATCH_OPTION_DATA* optional
        ProgressCallback: *const core::ffi::c_void,  // PPATCH_PROGRESS_CALLBACK optional
        CallbackContext: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("mspatchc.dll")]
public static extern bool CreatePatchFileByHandlesEx(uint OldFileCount, IntPtr OldFileInfoArray, IntPtr NewFileHandle, IntPtr PatchFileHandle, uint OptionFlags, IntPtr OptionData, IntPtr ProgressCallback, IntPtr CallbackContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mspatchc_CreatePatchFileByHandlesEx' -Namespace Win32 -PassThru
# $api::CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
#uselib "mspatchc.dll"
#func global CreatePatchFileByHandlesEx "CreatePatchFileByHandlesEx" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CreatePatchFileByHandlesEx OldFileCount, varptr(OldFileInfoArray), NewFileHandle, PatchFileHandle, OptionFlags, varptr(OptionData), ProgressCallback, CallbackContext   ; 戻り値は stat
; OldFileCount : DWORD -> "sptr"
; OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> "sptr"
; NewFileHandle : HANDLE -> "sptr"
; PatchFileHandle : HANDLE -> "sptr"
; OptionFlags : DWORD -> "sptr"
; OptionData : PATCH_OPTION_DATA* optional -> "sptr"
; ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> "sptr"
; CallbackContext : void* optional -> "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 "mspatchc.dll"
#cfunc global CreatePatchFileByHandlesEx "CreatePatchFileByHandlesEx" int, var, sptr, sptr, int, var, sptr, sptr
; res = CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
; OldFileCount : DWORD -> "int"
; OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> "var"
; NewFileHandle : HANDLE -> "sptr"
; PatchFileHandle : HANDLE -> "sptr"
; OptionFlags : DWORD -> "int"
; OptionData : PATCH_OPTION_DATA* optional -> "var"
; ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> "sptr"
; CallbackContext : void* optional -> "sptr"
; ※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 CreatePatchFileByHandlesEx(DWORD OldFileCount, PATCH_OLD_FILE_INFO_H* OldFileInfoArray, HANDLE NewFileHandle, HANDLE PatchFileHandle, DWORD OptionFlags, PATCH_OPTION_DATA* OptionData, PPATCH_PROGRESS_CALLBACK ProgressCallback, void* CallbackContext)
#uselib "mspatchc.dll"
#cfunc global CreatePatchFileByHandlesEx "CreatePatchFileByHandlesEx" int, var, intptr, intptr, int, var, intptr, intptr
; res = CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
; OldFileCount : DWORD -> "int"
; OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> "var"
; NewFileHandle : HANDLE -> "intptr"
; PatchFileHandle : HANDLE -> "intptr"
; OptionFlags : DWORD -> "int"
; OptionData : PATCH_OPTION_DATA* optional -> "var"
; ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> "intptr"
; CallbackContext : void* optional -> "intptr"
; ※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 (
	mspatchc = windows.NewLazySystemDLL("mspatchc.dll")
	procCreatePatchFileByHandlesEx = mspatchc.NewProc("CreatePatchFileByHandlesEx")
)

// OldFileCount (DWORD), OldFileInfoArray (PATCH_OLD_FILE_INFO_H*), NewFileHandle (HANDLE), PatchFileHandle (HANDLE), OptionFlags (DWORD), OptionData (PATCH_OPTION_DATA* optional), ProgressCallback (PPATCH_PROGRESS_CALLBACK optional), CallbackContext (void* optional)
r1, _, err := procCreatePatchFileByHandlesEx.Call(
	uintptr(OldFileCount),
	uintptr(OldFileInfoArray),
	uintptr(NewFileHandle),
	uintptr(PatchFileHandle),
	uintptr(OptionFlags),
	uintptr(OptionData),
	uintptr(ProgressCallback),
	uintptr(CallbackContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function CreatePatchFileByHandlesEx(
  OldFileCount: DWORD;   // DWORD
  OldFileInfoArray: Pointer;   // PATCH_OLD_FILE_INFO_H*
  NewFileHandle: THandle;   // HANDLE
  PatchFileHandle: THandle;   // HANDLE
  OptionFlags: DWORD;   // DWORD
  OptionData: Pointer;   // PATCH_OPTION_DATA* optional
  ProgressCallback: Pointer;   // PPATCH_PROGRESS_CALLBACK optional
  CallbackContext: Pointer   // void* optional
): BOOL; stdcall;
  external 'mspatchc.dll' name 'CreatePatchFileByHandlesEx';
result := DllCall("mspatchc\CreatePatchFileByHandlesEx"
    , "UInt", OldFileCount   ; DWORD
    , "Ptr", OldFileInfoArray   ; PATCH_OLD_FILE_INFO_H*
    , "Ptr", NewFileHandle   ; HANDLE
    , "Ptr", PatchFileHandle   ; HANDLE
    , "UInt", OptionFlags   ; DWORD
    , "Ptr", OptionData   ; PATCH_OPTION_DATA* optional
    , "Ptr", ProgressCallback   ; PPATCH_PROGRESS_CALLBACK optional
    , "Ptr", CallbackContext   ; void* optional
    , "Int")   ; return: BOOL
●CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext) = DLL("mspatchc.dll", "bool CreatePatchFileByHandlesEx(dword, void*, void*, void*, dword, void*, void*, void*)")
# 呼び出し: CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
# OldFileCount : DWORD -> "dword"
# OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> "void*"
# NewFileHandle : HANDLE -> "void*"
# PatchFileHandle : HANDLE -> "void*"
# OptionFlags : DWORD -> "dword"
# OptionData : PATCH_OPTION_DATA* optional -> "void*"
# ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> "void*"
# CallbackContext : void* optional -> "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 "mspatchc" fn CreatePatchFileByHandlesEx(
    OldFileCount: u32, // DWORD
    OldFileInfoArray: [*c]PATCH_OLD_FILE_INFO_H, // PATCH_OLD_FILE_INFO_H*
    NewFileHandle: ?*anyopaque, // HANDLE
    PatchFileHandle: ?*anyopaque, // HANDLE
    OptionFlags: u32, // DWORD
    OptionData: [*c]PATCH_OPTION_DATA, // PATCH_OPTION_DATA* optional
    ProgressCallback: ?*anyopaque, // PPATCH_PROGRESS_CALLBACK optional
    CallbackContext: ?*anyopaque // void* optional
) callconv(std.os.windows.WINAPI) i32;
proc CreatePatchFileByHandlesEx(
    OldFileCount: uint32,  # DWORD
    OldFileInfoArray: ptr PATCH_OLD_FILE_INFO_H,  # PATCH_OLD_FILE_INFO_H*
    NewFileHandle: pointer,  # HANDLE
    PatchFileHandle: pointer,  # HANDLE
    OptionFlags: uint32,  # DWORD
    OptionData: ptr PATCH_OPTION_DATA,  # PATCH_OPTION_DATA* optional
    ProgressCallback: pointer,  # PPATCH_PROGRESS_CALLBACK optional
    CallbackContext: pointer  # void* optional
): int32 {.importc: "CreatePatchFileByHandlesEx", stdcall, dynlib: "mspatchc.dll".}
pragma(lib, "mspatchc");
extern(Windows)
int CreatePatchFileByHandlesEx(
    uint OldFileCount,   // DWORD
    PATCH_OLD_FILE_INFO_H* OldFileInfoArray,   // PATCH_OLD_FILE_INFO_H*
    void* NewFileHandle,   // HANDLE
    void* PatchFileHandle,   // HANDLE
    uint OptionFlags,   // DWORD
    PATCH_OPTION_DATA* OptionData,   // PATCH_OPTION_DATA* optional
    void* ProgressCallback,   // PPATCH_PROGRESS_CALLBACK optional
    void* CallbackContext   // void* optional
);
ccall((:CreatePatchFileByHandlesEx, "mspatchc.dll"), stdcall, Int32,
      (UInt32, Ptr{PATCH_OLD_FILE_INFO_H}, Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Ptr{PATCH_OPTION_DATA}, Ptr{Cvoid}, Ptr{Cvoid}),
      OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
# OldFileCount : DWORD -> UInt32
# OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> Ptr{PATCH_OLD_FILE_INFO_H}
# NewFileHandle : HANDLE -> Ptr{Cvoid}
# PatchFileHandle : HANDLE -> Ptr{Cvoid}
# OptionFlags : DWORD -> UInt32
# OptionData : PATCH_OPTION_DATA* optional -> Ptr{PATCH_OPTION_DATA}
# ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> Ptr{Cvoid}
# CallbackContext : void* optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t CreatePatchFileByHandlesEx(
    uint32_t OldFileCount,
    void* OldFileInfoArray,
    void* NewFileHandle,
    void* PatchFileHandle,
    uint32_t OptionFlags,
    void* OptionData,
    void* ProgressCallback,
    void* CallbackContext);
]]
local mspatchc = ffi.load("mspatchc")
-- mspatchc.CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
-- OldFileCount : DWORD
-- OldFileInfoArray : PATCH_OLD_FILE_INFO_H*
-- NewFileHandle : HANDLE
-- PatchFileHandle : HANDLE
-- OptionFlags : DWORD
-- OptionData : PATCH_OPTION_DATA* optional
-- ProgressCallback : PPATCH_PROGRESS_CALLBACK optional
-- CallbackContext : void* optional
-- 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('mspatchc.dll');
const CreatePatchFileByHandlesEx = lib.func('__stdcall', 'CreatePatchFileByHandlesEx', 'int32_t', ['uint32_t', 'void *', 'void *', 'void *', 'uint32_t', 'void *', 'void *', 'void *']);
// CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
// OldFileCount : DWORD -> 'uint32_t'
// OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> 'void *'
// NewFileHandle : HANDLE -> 'void *'
// PatchFileHandle : HANDLE -> 'void *'
// OptionFlags : DWORD -> 'uint32_t'
// OptionData : PATCH_OPTION_DATA* optional -> 'void *'
// ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> 'void *'
// CallbackContext : void* optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。
const lib = Deno.dlopen("mspatchc.dll", {
  CreatePatchFileByHandlesEx: { parameters: ["u32", "pointer", "pointer", "pointer", "u32", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext)
// OldFileCount : DWORD -> "u32"
// OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> "pointer"
// NewFileHandle : HANDLE -> "pointer"
// PatchFileHandle : HANDLE -> "pointer"
// OptionFlags : DWORD -> "u32"
// OptionData : PATCH_OPTION_DATA* optional -> "pointer"
// ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> "pointer"
// CallbackContext : void* optional -> "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 CreatePatchFileByHandlesEx(
    uint32_t OldFileCount,
    void* OldFileInfoArray,
    void* NewFileHandle,
    void* PatchFileHandle,
    uint32_t OptionFlags,
    void* OptionData,
    void* ProgressCallback,
    void* CallbackContext);
C, "mspatchc.dll");
// $ffi->CreatePatchFileByHandlesEx(OldFileCount, OldFileInfoArray, NewFileHandle, PatchFileHandle, OptionFlags, OptionData, ProgressCallback, CallbackContext);
// OldFileCount : DWORD
// OldFileInfoArray : PATCH_OLD_FILE_INFO_H*
// NewFileHandle : HANDLE
// PatchFileHandle : HANDLE
// OptionFlags : DWORD
// OptionData : PATCH_OPTION_DATA* optional
// ProgressCallback : PPATCH_PROGRESS_CALLBACK optional
// CallbackContext : void* optional
// 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 Mspatchc extends StdCallLibrary {
    Mspatchc INSTANCE = Native.load("mspatchc", Mspatchc.class);
    boolean CreatePatchFileByHandlesEx(
        int OldFileCount,   // DWORD
        Pointer OldFileInfoArray,   // PATCH_OLD_FILE_INFO_H*
        Pointer NewFileHandle,   // HANDLE
        Pointer PatchFileHandle,   // HANDLE
        int OptionFlags,   // DWORD
        Pointer OptionData,   // PATCH_OPTION_DATA* optional
        Callback ProgressCallback,   // PPATCH_PROGRESS_CALLBACK optional
        Pointer CallbackContext   // void* optional
    );
}
@[Link("mspatchc")]
lib Libmspatchc
  fun CreatePatchFileByHandlesEx = CreatePatchFileByHandlesEx(
    OldFileCount : UInt32,   # DWORD
    OldFileInfoArray : PATCH_OLD_FILE_INFO_H*,   # PATCH_OLD_FILE_INFO_H*
    NewFileHandle : Void*,   # HANDLE
    PatchFileHandle : Void*,   # HANDLE
    OptionFlags : UInt32,   # DWORD
    OptionData : PATCH_OPTION_DATA*,   # PATCH_OPTION_DATA* optional
    ProgressCallback : Void*,   # PPATCH_PROGRESS_CALLBACK optional
    CallbackContext : Void*   # void* optional
  ) : 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 CreatePatchFileByHandlesExNative = Int32 Function(Uint32, Pointer<Void>, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef CreatePatchFileByHandlesExDart = int Function(int, Pointer<Void>, Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final CreatePatchFileByHandlesEx = DynamicLibrary.open('mspatchc.dll')
    .lookupFunction<CreatePatchFileByHandlesExNative, CreatePatchFileByHandlesExDart>('CreatePatchFileByHandlesEx');
// OldFileCount : DWORD -> Uint32
// OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> Pointer<Void>
// NewFileHandle : HANDLE -> Pointer<Void>
// PatchFileHandle : HANDLE -> Pointer<Void>
// OptionFlags : DWORD -> Uint32
// OptionData : PATCH_OPTION_DATA* optional -> Pointer<Void>
// ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> Pointer<Void>
// CallbackContext : void* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function CreatePatchFileByHandlesEx(
  OldFileCount: DWORD;   // DWORD
  OldFileInfoArray: Pointer;   // PATCH_OLD_FILE_INFO_H*
  NewFileHandle: THandle;   // HANDLE
  PatchFileHandle: THandle;   // HANDLE
  OptionFlags: DWORD;   // DWORD
  OptionData: Pointer;   // PATCH_OPTION_DATA* optional
  ProgressCallback: Pointer;   // PPATCH_PROGRESS_CALLBACK optional
  CallbackContext: Pointer   // void* optional
): BOOL; stdcall;
  external 'mspatchc.dll' name 'CreatePatchFileByHandlesEx';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CreatePatchFileByHandlesEx"
  c_CreatePatchFileByHandlesEx :: Word32 -> Ptr () -> Ptr () -> Ptr () -> Word32 -> Ptr () -> Ptr () -> Ptr () -> IO CInt
-- OldFileCount : DWORD -> Word32
-- OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> Ptr ()
-- NewFileHandle : HANDLE -> Ptr ()
-- PatchFileHandle : HANDLE -> Ptr ()
-- OptionFlags : DWORD -> Word32
-- OptionData : PATCH_OPTION_DATA* optional -> Ptr ()
-- ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> Ptr ()
-- CallbackContext : void* optional -> Ptr ()
-- 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 createpatchfilebyhandlesex =
  foreign "CreatePatchFileByHandlesEx"
    (uint32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* OldFileCount : DWORD -> uint32_t *)
(* OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> (ptr void) *)
(* NewFileHandle : HANDLE -> (ptr void) *)
(* PatchFileHandle : HANDLE -> (ptr void) *)
(* OptionFlags : DWORD -> uint32_t *)
(* OptionData : PATCH_OPTION_DATA* optional -> (ptr void) *)
(* ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> (ptr void) *)
(* CallbackContext : void* optional -> (ptr void) *)
(* 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 mspatchc (t "mspatchc.dll"))
(cffi:use-foreign-library mspatchc)

(cffi:defcfun ("CreatePatchFileByHandlesEx" create-patch-file-by-handles-ex :convention :stdcall) :int32
  (old-file-count :uint32)   ; DWORD
  (old-file-info-array :pointer)   ; PATCH_OLD_FILE_INFO_H*
  (new-file-handle :pointer)   ; HANDLE
  (patch-file-handle :pointer)   ; HANDLE
  (option-flags :uint32)   ; DWORD
  (option-data :pointer)   ; PATCH_OPTION_DATA* optional
  (progress-callback :pointer)   ; PPATCH_PROGRESS_CALLBACK optional
  (callback-context :pointer))   ; void* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $CreatePatchFileByHandlesEx = Win32::API::More->new('mspatchc',
    'BOOL CreatePatchFileByHandlesEx(DWORD OldFileCount, LPVOID OldFileInfoArray, HANDLE NewFileHandle, HANDLE PatchFileHandle, DWORD OptionFlags, LPVOID OptionData, LPVOID ProgressCallback, LPVOID CallbackContext)');
# my $ret = $CreatePatchFileByHandlesEx->Call($OldFileCount, $OldFileInfoArray, $NewFileHandle, $PatchFileHandle, $OptionFlags, $OptionData, $ProgressCallback, $CallbackContext);
# OldFileCount : DWORD -> DWORD
# OldFileInfoArray : PATCH_OLD_FILE_INFO_H* -> LPVOID
# NewFileHandle : HANDLE -> HANDLE
# PatchFileHandle : HANDLE -> HANDLE
# OptionFlags : DWORD -> DWORD
# OptionData : PATCH_OPTION_DATA* optional -> LPVOID
# ProgressCallback : PPATCH_PROGRESS_CALLBACK optional -> LPVOID
# CallbackContext : void* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。

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