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CreateDeltaB

関数

ソースとターゲットのバッファから差分デルタを作成する。

DLLmsdelta.dll呼出規約winapi

シグネチャ

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

BOOL CreateDeltaB(
    LONGLONG FileTypeSet,
    LONGLONG SetFlags,
    LONGLONG ResetFlags,
    DELTA_INPUT Source,
    DELTA_INPUT Target,
    DELTA_INPUT SourceOptions,
    DELTA_INPUT TargetOptions,
    DELTA_INPUT GlobalOptions,
    const FILETIME* lpTargetFileTime,   // optional
    ALG_ID HashAlgId,
    DELTA_OUTPUT* lpDelta
);

パラメーター

名前	型	方向
FileTypeSet	LONGLONG	in
SetFlags	LONGLONG	in
ResetFlags	LONGLONG	in
Source	DELTA_INPUT	in
Target	DELTA_INPUT	in
SourceOptions	DELTA_INPUT	in
TargetOptions	DELTA_INPUT	in
GlobalOptions	DELTA_INPUT	in
lpTargetFileTime	FILETIME*	inoptional
HashAlgId	ALG_ID	in
lpDelta	DELTA_OUTPUT*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CreateDeltaB(
    LONGLONG FileTypeSet,
    LONGLONG SetFlags,
    LONGLONG ResetFlags,
    DELTA_INPUT Source,
    DELTA_INPUT Target,
    DELTA_INPUT SourceOptions,
    DELTA_INPUT TargetOptions,
    DELTA_INPUT GlobalOptions,
    const FILETIME* lpTargetFileTime,   // optional
    ALG_ID HashAlgId,
    DELTA_OUTPUT* lpDelta
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("msdelta.dll", ExactSpelling = true)]
static extern bool CreateDeltaB(
    long FileTypeSet,   // LONGLONG
    long SetFlags,   // LONGLONG
    long ResetFlags,   // LONGLONG
    DELTA_INPUT Source,   // DELTA_INPUT
    DELTA_INPUT Target,   // DELTA_INPUT
    DELTA_INPUT SourceOptions,   // DELTA_INPUT
    DELTA_INPUT TargetOptions,   // DELTA_INPUT
    DELTA_INPUT GlobalOptions,   // DELTA_INPUT
    IntPtr lpTargetFileTime,   // FILETIME* optional
    uint HashAlgId,   // ALG_ID
    IntPtr lpDelta   // DELTA_OUTPUT* out
);

<DllImport("msdelta.dll", ExactSpelling:=True)>
Public Shared Function CreateDeltaB(
    FileTypeSet As Long,   ' LONGLONG
    SetFlags As Long,   ' LONGLONG
    ResetFlags As Long,   ' LONGLONG
    Source As DELTA_INPUT,   ' DELTA_INPUT
    Target As DELTA_INPUT,   ' DELTA_INPUT
    SourceOptions As DELTA_INPUT,   ' DELTA_INPUT
    TargetOptions As DELTA_INPUT,   ' DELTA_INPUT
    GlobalOptions As DELTA_INPUT,   ' DELTA_INPUT
    lpTargetFileTime As IntPtr,   ' FILETIME* optional
    HashAlgId As UInteger,   ' ALG_ID
    lpDelta As IntPtr   ' DELTA_OUTPUT* out
) As Boolean
End Function

' FileTypeSet : LONGLONG
' SetFlags : LONGLONG
' ResetFlags : LONGLONG
' Source : DELTA_INPUT
' Target : DELTA_INPUT
' SourceOptions : DELTA_INPUT
' TargetOptions : DELTA_INPUT
' GlobalOptions : DELTA_INPUT
' lpTargetFileTime : FILETIME* optional
' HashAlgId : ALG_ID
' lpDelta : DELTA_OUTPUT* out
Declare PtrSafe Function CreateDeltaB Lib "msdelta" ( _
    ByVal FileTypeSet As LongLong, _
    ByVal SetFlags As LongLong, _
    ByVal ResetFlags As LongLong, _
    ByVal Source As LongPtr, _
    ByVal Target As LongPtr, _
    ByVal SourceOptions As LongPtr, _
    ByVal TargetOptions As LongPtr, _
    ByVal GlobalOptions As LongPtr, _
    ByVal lpTargetFileTime As LongPtr, _
    ByVal HashAlgId As Long, _
    ByVal lpDelta 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

CreateDeltaB = ctypes.windll.msdelta.CreateDeltaB
CreateDeltaB.restype = wintypes.BOOL
CreateDeltaB.argtypes = [
    ctypes.c_longlong,  # FileTypeSet : LONGLONG
    ctypes.c_longlong,  # SetFlags : LONGLONG
    ctypes.c_longlong,  # ResetFlags : LONGLONG
    DELTA_INPUT,  # Source : DELTA_INPUT
    DELTA_INPUT,  # Target : DELTA_INPUT
    DELTA_INPUT,  # SourceOptions : DELTA_INPUT
    DELTA_INPUT,  # TargetOptions : DELTA_INPUT
    DELTA_INPUT,  # GlobalOptions : DELTA_INPUT
    ctypes.c_void_p,  # lpTargetFileTime : FILETIME* optional
    wintypes.DWORD,  # HashAlgId : ALG_ID
    ctypes.c_void_p,  # lpDelta : DELTA_OUTPUT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdelta.dll')
CreateDeltaB = Fiddle::Function.new(
  lib['CreateDeltaB'],
  [
    Fiddle::TYPE_LONG_LONG,  # FileTypeSet : LONGLONG
    Fiddle::TYPE_LONG_LONG,  # SetFlags : LONGLONG
    Fiddle::TYPE_LONG_LONG,  # ResetFlags : LONGLONG
    Fiddle::TYPE_VOIDP,  # Source : DELTA_INPUT
    Fiddle::TYPE_VOIDP,  # Target : DELTA_INPUT
    Fiddle::TYPE_VOIDP,  # SourceOptions : DELTA_INPUT
    Fiddle::TYPE_VOIDP,  # TargetOptions : DELTA_INPUT
    Fiddle::TYPE_VOIDP,  # GlobalOptions : DELTA_INPUT
    Fiddle::TYPE_VOIDP,  # lpTargetFileTime : FILETIME* optional
    -Fiddle::TYPE_INT,  # HashAlgId : ALG_ID
    Fiddle::TYPE_VOIDP,  # lpDelta : DELTA_OUTPUT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdelta")]
extern "system" {
    fn CreateDeltaB(
        FileTypeSet: i64,  // LONGLONG
        SetFlags: i64,  // LONGLONG
        ResetFlags: i64,  // LONGLONG
        Source: DELTA_INPUT,  // DELTA_INPUT
        Target: DELTA_INPUT,  // DELTA_INPUT
        SourceOptions: DELTA_INPUT,  // DELTA_INPUT
        TargetOptions: DELTA_INPUT,  // DELTA_INPUT
        GlobalOptions: DELTA_INPUT,  // DELTA_INPUT
        lpTargetFileTime: *const FILETIME,  // FILETIME* optional
        HashAlgId: u32,  // ALG_ID
        lpDelta: *mut DELTA_OUTPUT  // DELTA_OUTPUT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("msdelta.dll")]
public static extern bool CreateDeltaB(long FileTypeSet, long SetFlags, long ResetFlags, DELTA_INPUT Source, DELTA_INPUT Target, DELTA_INPUT SourceOptions, DELTA_INPUT TargetOptions, DELTA_INPUT GlobalOptions, IntPtr lpTargetFileTime, uint HashAlgId, IntPtr lpDelta);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdelta_CreateDeltaB' -Namespace Win32 -PassThru
# $api::CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, lpTargetFileTime, HashAlgId, lpDelta)

#uselib "msdelta.dll"
#func global CreateDeltaB "CreateDeltaB" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CreateDeltaB FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, varptr(lpTargetFileTime), HashAlgId, varptr(lpDelta)   ; 戻り値は stat
; FileTypeSet : LONGLONG -> "sptr"
; SetFlags : LONGLONG -> "sptr"
; ResetFlags : LONGLONG -> "sptr"
; Source : DELTA_INPUT -> "sptr"
; Target : DELTA_INPUT -> "sptr"
; SourceOptions : DELTA_INPUT -> "sptr"
; TargetOptions : DELTA_INPUT -> "sptr"
; GlobalOptions : DELTA_INPUT -> "sptr"
; lpTargetFileTime : FILETIME* optional -> "sptr"
; HashAlgId : ALG_ID -> "sptr"
; lpDelta : DELTA_OUTPUT* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 "msdelta.dll"
#cfunc global CreateDeltaB "CreateDeltaB" int64, int64, int64, int, int, int, int, int, var, int, var
; res = CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, lpTargetFileTime, HashAlgId, lpDelta)
; FileTypeSet : LONGLONG -> "int64"
; SetFlags : LONGLONG -> "int64"
; ResetFlags : LONGLONG -> "int64"
; Source : DELTA_INPUT -> "int"
; Target : DELTA_INPUT -> "int"
; SourceOptions : DELTA_INPUT -> "int"
; TargetOptions : DELTA_INPUT -> "int"
; GlobalOptions : DELTA_INPUT -> "int"
; lpTargetFileTime : FILETIME* optional -> "var"
; HashAlgId : ALG_ID -> "int"
; lpDelta : DELTA_OUTPUT* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。#uselib "msdelta.dll"
#cfunc global CreateDeltaB "CreateDeltaB" int64, int64, int64, int, int, int, int, int, sptr, int, sptr
; res = CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, varptr(lpTargetFileTime), HashAlgId, varptr(lpDelta))
; FileTypeSet : LONGLONG -> "int64"
; SetFlags : LONGLONG -> "int64"
; ResetFlags : LONGLONG -> "int64"
; Source : DELTA_INPUT -> "int"
; Target : DELTA_INPUT -> "int"
; SourceOptions : DELTA_INPUT -> "int"
; TargetOptions : DELTA_INPUT -> "int"
; GlobalOptions : DELTA_INPUT -> "int"
; lpTargetFileTime : FILETIME* optional -> "sptr"
; HashAlgId : ALG_ID -> "int"
; lpDelta : DELTA_OUTPUT* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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))。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

出力引数:

; BOOL CreateDeltaB(LONGLONG FileTypeSet, LONGLONG SetFlags, LONGLONG ResetFlags, DELTA_INPUT Source, DELTA_INPUT Target, DELTA_INPUT SourceOptions, DELTA_INPUT TargetOptions, DELTA_INPUT GlobalOptions, FILETIME* lpTargetFileTime, ALG_ID HashAlgId, DELTA_OUTPUT* lpDelta)
#uselib "msdelta.dll"
#cfunc global CreateDeltaB "CreateDeltaB" int64, int64, int64, int, int, int, int, int, var, int, var
; res = CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, lpTargetFileTime, HashAlgId, lpDelta)
; FileTypeSet : LONGLONG -> "int64"
; SetFlags : LONGLONG -> "int64"
; ResetFlags : LONGLONG -> "int64"
; Source : DELTA_INPUT -> "int"
; Target : DELTA_INPUT -> "int"
; SourceOptions : DELTA_INPUT -> "int"
; TargetOptions : DELTA_INPUT -> "int"
; GlobalOptions : DELTA_INPUT -> "int"
; lpTargetFileTime : FILETIME* optional -> "var"
; HashAlgId : ALG_ID -> "int"
; lpDelta : DELTA_OUTPUT* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 CreateDeltaB(LONGLONG FileTypeSet, LONGLONG SetFlags, LONGLONG ResetFlags, DELTA_INPUT Source, DELTA_INPUT Target, DELTA_INPUT SourceOptions, DELTA_INPUT TargetOptions, DELTA_INPUT GlobalOptions, FILETIME* lpTargetFileTime, ALG_ID HashAlgId, DELTA_OUTPUT* lpDelta)
#uselib "msdelta.dll"
#cfunc global CreateDeltaB "CreateDeltaB" int64, int64, int64, int, int, int, int, int, intptr, int, intptr
; res = CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, varptr(lpTargetFileTime), HashAlgId, varptr(lpDelta))
; FileTypeSet : LONGLONG -> "int64"
; SetFlags : LONGLONG -> "int64"
; ResetFlags : LONGLONG -> "int64"
; Source : DELTA_INPUT -> "int"
; Target : DELTA_INPUT -> "int"
; SourceOptions : DELTA_INPUT -> "int"
; TargetOptions : DELTA_INPUT -> "int"
; GlobalOptions : DELTA_INPUT -> "int"
; lpTargetFileTime : FILETIME* optional -> "intptr"
; HashAlgId : ALG_ID -> "int"
; lpDelta : DELTA_OUTPUT* out -> "intptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	msdelta = windows.NewLazySystemDLL("msdelta.dll")
	procCreateDeltaB = msdelta.NewProc("CreateDeltaB")
)

// FileTypeSet (LONGLONG), SetFlags (LONGLONG), ResetFlags (LONGLONG), Source (DELTA_INPUT), Target (DELTA_INPUT), SourceOptions (DELTA_INPUT), TargetOptions (DELTA_INPUT), GlobalOptions (DELTA_INPUT), lpTargetFileTime (FILETIME* optional), HashAlgId (ALG_ID), lpDelta (DELTA_OUTPUT* out)
r1, _, err := procCreateDeltaB.Call(
	uintptr(FileTypeSet),
	uintptr(SetFlags),
	uintptr(ResetFlags),
	uintptr(Source),
	uintptr(Target),
	uintptr(SourceOptions),
	uintptr(TargetOptions),
	uintptr(GlobalOptions),
	uintptr(lpTargetFileTime),
	uintptr(HashAlgId),
	uintptr(lpDelta),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CreateDeltaB(
  FileTypeSet: Int64;   // LONGLONG
  SetFlags: Int64;   // LONGLONG
  ResetFlags: Int64;   // LONGLONG
  Source: DELTA_INPUT;   // DELTA_INPUT
  Target: DELTA_INPUT;   // DELTA_INPUT
  SourceOptions: DELTA_INPUT;   // DELTA_INPUT
  TargetOptions: DELTA_INPUT;   // DELTA_INPUT
  GlobalOptions: DELTA_INPUT;   // DELTA_INPUT
  lpTargetFileTime: Pointer;   // FILETIME* optional
  HashAlgId: DWORD;   // ALG_ID
  lpDelta: Pointer   // DELTA_OUTPUT* out
): BOOL; stdcall;
  external 'msdelta.dll' name 'CreateDeltaB';

result := DllCall("msdelta\CreateDeltaB"
    , "Int64", FileTypeSet   ; LONGLONG
    , "Int64", SetFlags   ; LONGLONG
    , "Int64", ResetFlags   ; LONGLONG
    , "Ptr", Source   ; DELTA_INPUT
    , "Ptr", Target   ; DELTA_INPUT
    , "Ptr", SourceOptions   ; DELTA_INPUT
    , "Ptr", TargetOptions   ; DELTA_INPUT
    , "Ptr", GlobalOptions   ; DELTA_INPUT
    , "Ptr", lpTargetFileTime   ; FILETIME* optional
    , "UInt", HashAlgId   ; ALG_ID
    , "Ptr", lpDelta   ; DELTA_OUTPUT* out
    , "Int")   ; return: BOOL

●CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, lpTargetFileTime, HashAlgId, lpDelta) = DLL("msdelta.dll", "bool CreateDeltaB(int64, int64, int64, void*, void*, void*, void*, void*, void*, dword, void*)")
# 呼び出し: CreateDeltaB(FileTypeSet, SetFlags, ResetFlags, Source, Target, SourceOptions, TargetOptions, GlobalOptions, lpTargetFileTime, HashAlgId, lpDelta)
# FileTypeSet : LONGLONG -> "int64"
# SetFlags : LONGLONG -> "int64"
# ResetFlags : LONGLONG -> "int64"
# Source : DELTA_INPUT -> "void*"
# Target : DELTA_INPUT -> "void*"
# SourceOptions : DELTA_INPUT -> "void*"
# TargetOptions : DELTA_INPUT -> "void*"
# GlobalOptions : DELTA_INPUT -> "void*"
# lpTargetFileTime : FILETIME* optional -> "void*"
# HashAlgId : ALG_ID -> "dword"
# lpDelta : DELTA_OUTPUT* 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)。