GetDeltaSignatureA

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

BOOL GetDeltaSignatureA(
    LONGLONG FileTypeSet,
    ALG_ID HashAlgId,
    LPCSTR lpSourceName,
    DELTA_HASH* lpHash
);

<DllImport("msdelta.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GetDeltaSignatureA(
    FileTypeSet As Long,   ' LONGLONG
    HashAlgId As UInteger,   ' ALG_ID
    <MarshalAs(UnmanagedType.LPStr)> lpSourceName As String,   ' LPCSTR
    lpHash As IntPtr   ' DELTA_HASH* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' FileTypeSet : LONGLONG
' HashAlgId : ALG_ID
' lpSourceName : LPCSTR
' lpHash : DELTA_HASH* out
Declare PtrSafe Function GetDeltaSignatureA Lib "msdelta" ( _
    ByVal FileTypeSet As LongLong, _
    ByVal HashAlgId As Long, _
    ByVal lpSourceName As String, _
    ByVal lpHash 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

GetDeltaSignatureA = ctypes.windll.msdelta.GetDeltaSignatureA
GetDeltaSignatureA.restype = wintypes.BOOL
GetDeltaSignatureA.argtypes = [
    ctypes.c_longlong,  # FileTypeSet : LONGLONG
    wintypes.DWORD,  # HashAlgId : ALG_ID
    wintypes.LPCSTR,  # lpSourceName : LPCSTR
    ctypes.c_void_p,  # lpHash : DELTA_HASH* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdelta.dll')
GetDeltaSignatureA = Fiddle::Function.new(
  lib['GetDeltaSignatureA'],
  [
    Fiddle::TYPE_LONG_LONG,  # FileTypeSet : LONGLONG
    -Fiddle::TYPE_INT,  # HashAlgId : ALG_ID
    Fiddle::TYPE_VOIDP,  # lpSourceName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpHash : DELTA_HASH* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdelta")]
extern "system" {
    fn GetDeltaSignatureA(
        FileTypeSet: i64,  // LONGLONG
        HashAlgId: u32,  // ALG_ID
        lpSourceName: *const u8,  // LPCSTR
        lpHash: *mut DELTA_HASH  // DELTA_HASH* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("msdelta.dll", CharSet = CharSet.Ansi)]
public static extern bool GetDeltaSignatureA(long FileTypeSet, uint HashAlgId, [MarshalAs(UnmanagedType.LPStr)] string lpSourceName, IntPtr lpHash);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdelta_GetDeltaSignatureA' -Namespace Win32 -PassThru
# $api::GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash)

#uselib "msdelta.dll"
#func global GetDeltaSignatureA "GetDeltaSignatureA" sptr, sptr, sptr, sptr
; GetDeltaSignatureA FileTypeSet, HashAlgId, lpSourceName, varptr(lpHash)   ; 戻り値は stat
; FileTypeSet : LONGLONG -> "sptr"
; HashAlgId : ALG_ID -> "sptr"
; lpSourceName : LPCSTR -> "sptr"
; lpHash : DELTA_HASH* out -> "sptr"
; ※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。

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

var (
	msdelta = windows.NewLazySystemDLL("msdelta.dll")
	procGetDeltaSignatureA = msdelta.NewProc("GetDeltaSignatureA")
)

// FileTypeSet (LONGLONG), HashAlgId (ALG_ID), lpSourceName (LPCSTR), lpHash (DELTA_HASH* out)
r1, _, err := procGetDeltaSignatureA.Call(
	uintptr(FileTypeSet),
	uintptr(HashAlgId),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpSourceName))),
	uintptr(lpHash),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetDeltaSignatureA(
  FileTypeSet: Int64;   // LONGLONG
  HashAlgId: DWORD;   // ALG_ID
  lpSourceName: PAnsiChar;   // LPCSTR
  lpHash: Pointer   // DELTA_HASH* out
): BOOL; stdcall;
  external 'msdelta.dll' name 'GetDeltaSignatureA';

result := DllCall("msdelta\GetDeltaSignatureA"
    , "Int64", FileTypeSet   ; LONGLONG
    , "UInt", HashAlgId   ; ALG_ID
    , "AStr", lpSourceName   ; LPCSTR
    , "Ptr", lpHash   ; DELTA_HASH* out
    , "Int")   ; return: BOOL

●GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash) = DLL("msdelta.dll", "bool GetDeltaSignatureA(int64, dword, char*, void*)")
# 呼び出し: GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash)
# FileTypeSet : LONGLONG -> "int64"
# HashAlgId : ALG_ID -> "dword"
# lpSourceName : LPCSTR -> "char*"
# lpHash : DELTA_HASH* 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 "msdelta" fn GetDeltaSignatureA(
    FileTypeSet: i64, // LONGLONG
    HashAlgId: u32, // ALG_ID
    lpSourceName: [*c]const u8, // LPCSTR
    lpHash: [*c]DELTA_HASH // DELTA_HASH* out
) callconv(std.os.windows.WINAPI) i32;

proc GetDeltaSignatureA(
    FileTypeSet: int64,  # LONGLONG
    HashAlgId: uint32,  # ALG_ID
    lpSourceName: cstring,  # LPCSTR
    lpHash: ptr DELTA_HASH  # DELTA_HASH* out
): int32 {.importc: "GetDeltaSignatureA", stdcall, dynlib: "msdelta.dll".}

pragma(lib, "msdelta");
extern(Windows)
int GetDeltaSignatureA(
    long FileTypeSet,   // LONGLONG
    uint HashAlgId,   // ALG_ID
    const(char)* lpSourceName,   // LPCSTR
    DELTA_HASH* lpHash   // DELTA_HASH* out
);

ccall((:GetDeltaSignatureA, "msdelta.dll"), stdcall, Int32,
      (Int64, UInt32, Cstring, Ptr{DELTA_HASH}),
      FileTypeSet, HashAlgId, lpSourceName, lpHash)
# FileTypeSet : LONGLONG -> Int64
# HashAlgId : ALG_ID -> UInt32
# lpSourceName : LPCSTR -> Cstring
# lpHash : DELTA_HASH* out -> Ptr{DELTA_HASH}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetDeltaSignatureA(
    int64_t FileTypeSet,
    uint32_t HashAlgId,
    const char* lpSourceName,
    void* lpHash);
]]
local msdelta = ffi.load("msdelta")
-- msdelta.GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash)
-- FileTypeSet : LONGLONG
-- HashAlgId : ALG_ID
-- lpSourceName : LPCSTR
-- lpHash : DELTA_HASH* 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('msdelta.dll');
const GetDeltaSignatureA = lib.func('__stdcall', 'GetDeltaSignatureA', 'int32_t', ['int64_t', 'uint32_t', 'str', 'void *']);
// GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash)
// FileTypeSet : LONGLONG -> 'int64_t'
// HashAlgId : ALG_ID -> 'uint32_t'
// lpSourceName : LPCSTR -> 'str'
// lpHash : DELTA_HASH* out -> 'void *'
// 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("msdelta.dll", {
  GetDeltaSignatureA: { parameters: ["i64", "u32", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash)
// FileTypeSet : LONGLONG -> "i64"
// HashAlgId : ALG_ID -> "u32"
// lpSourceName : LPCSTR -> "buffer"
// lpHash : DELTA_HASH* out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GetDeltaSignatureA(
    int64_t FileTypeSet,
    uint32_t HashAlgId,
    const char* lpSourceName,
    void* lpHash);
C, "msdelta.dll");
// $ffi->GetDeltaSignatureA(FileTypeSet, HashAlgId, lpSourceName, lpHash);
// FileTypeSet : LONGLONG
// HashAlgId : ALG_ID
// lpSourceName : LPCSTR
// lpHash : DELTA_HASH* 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 Msdelta extends StdCallLibrary {
    Msdelta INSTANCE = Native.load("msdelta", Msdelta.class, W32APIOptions.ASCII_OPTIONS);
    boolean GetDeltaSignatureA(
        long FileTypeSet,   // LONGLONG
        int HashAlgId,   // ALG_ID
        String lpSourceName,   // LPCSTR
        Pointer lpHash   // DELTA_HASH* out
    );
}

@[Link("msdelta")]
lib Libmsdelta
  fun GetDeltaSignatureA = GetDeltaSignatureA(
    FileTypeSet : Int64,   # LONGLONG
    HashAlgId : UInt32,   # ALG_ID
    lpSourceName : UInt8*,   # LPCSTR
    lpHash : DELTA_HASH*   # DELTA_HASH* 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 GetDeltaSignatureANative = Int32 Function(Int64, Uint32, Pointer<Utf8>, Pointer<Void>);
typedef GetDeltaSignatureADart = int Function(int, int, Pointer<Utf8>, Pointer<Void>);
final GetDeltaSignatureA = DynamicLibrary.open('msdelta.dll')
    .lookupFunction<GetDeltaSignatureANative, GetDeltaSignatureADart>('GetDeltaSignatureA');
// FileTypeSet : LONGLONG -> Int64
// HashAlgId : ALG_ID -> Uint32
// lpSourceName : LPCSTR -> Pointer<Utf8>
// lpHash : DELTA_HASH* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetDeltaSignatureA(
  FileTypeSet: Int64;   // LONGLONG
  HashAlgId: DWORD;   // ALG_ID
  lpSourceName: PAnsiChar;   // LPCSTR
  lpHash: Pointer   // DELTA_HASH* out
): BOOL; stdcall;
  external 'msdelta.dll' name 'GetDeltaSignatureA';

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

foreign import stdcall safe "GetDeltaSignatureA"
  c_GetDeltaSignatureA :: Int64 -> Word32 -> CString -> Ptr () -> IO CInt
-- FileTypeSet : LONGLONG -> Int64
-- HashAlgId : ALG_ID -> Word32
-- lpSourceName : LPCSTR -> CString
-- lpHash : DELTA_HASH* out -> 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 getdeltasignaturea =
  foreign "GetDeltaSignatureA"
    (int64_t @-> uint32_t @-> string @-> (ptr void) @-> returning int32_t)
(* FileTypeSet : LONGLONG -> int64_t *)
(* HashAlgId : ALG_ID -> uint32_t *)
(* lpSourceName : LPCSTR -> string *)
(* lpHash : DELTA_HASH* out -> (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 msdelta (t "msdelta.dll"))
(cffi:use-foreign-library msdelta)

(cffi:defcfun ("GetDeltaSignatureA" get-delta-signature-a :convention :stdcall) :int32
  (file-type-set :int64)   ; LONGLONG
  (hash-alg-id :uint32)   ; ALG_ID
  (lp-source-name :string)   ; LPCSTR
  (lp-hash :pointer))   ; DELTA_HASH* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetDeltaSignatureA = Win32::API::More->new('msdelta',
    'BOOL GetDeltaSignatureA(INT64 FileTypeSet, DWORD HashAlgId, LPCSTR lpSourceName, LPVOID lpHash)');
# my $ret = $GetDeltaSignatureA->Call($FileTypeSet, $HashAlgId, $lpSourceName, $lpHash);
# FileTypeSet : LONGLONG -> INT64
# HashAlgId : ALG_ID -> DWORD
# lpSourceName : LPCSTR -> LPCSTR
# lpHash : DELTA_HASH* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。