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SetupGetFileCompressionInfoExA

関数

ソースファイルの圧縮情報を拡張バッファ指定で取得する(ANSI)。

DLLSETUPAPI.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL SetupGetFileCompressionInfoExA(
    LPCSTR SourceFileName,
    LPSTR ActualSourceFileNameBuffer,   // optional
    DWORD ActualSourceFileNameBufferLen,
    DWORD* RequiredBufferLen,   // optional
    DWORD* SourceFileSize,
    DWORD* TargetFileSize,
    FILE_COMPRESSION_TYPE* CompressionType
);

パラメーター

名前	型	方向	説明
SourceFileName	LPCSTR	in	圧縮状態を調べる元ファイル名(ANSI)。
ActualSourceFileNameBuffer	LPSTR	inoptional	実際に見つかったソースファイル名を受け取るバッファ(ANSI)。NULLでサイズ取得のみ可。
ActualSourceFileNameBufferLen	DWORD	in	ActualSourceFileNameBufferのサイズ(文字数)。
RequiredBufferLen	DWORD*	outoptional	ファイル名に必要なバッファ長を受け取る出力ポインタ。
SourceFileSize	DWORD*	out	圧縮された状態でのファイルサイズを受け取る出力ポインタ。
TargetFileSize	DWORD*	out	展開後のファイルサイズを受け取る出力ポインタ。
CompressionType	FILE_COMPRESSION_TYPE*	out	検出された圧縮形式を受け取る出力ポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL SetupGetFileCompressionInfoExA(
    LPCSTR SourceFileName,
    LPSTR ActualSourceFileNameBuffer,   // optional
    DWORD ActualSourceFileNameBufferLen,
    DWORD* RequiredBufferLen,   // optional
    DWORD* SourceFileSize,
    DWORD* TargetFileSize,
    FILE_COMPRESSION_TYPE* CompressionType
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetupGetFileCompressionInfoExA(
    [MarshalAs(UnmanagedType.LPStr)] string SourceFileName,   // LPCSTR
    [MarshalAs(UnmanagedType.LPStr)] string ActualSourceFileNameBuffer,   // LPSTR optional
    uint ActualSourceFileNameBufferLen,   // DWORD
    IntPtr RequiredBufferLen,   // DWORD* optional, out
    out uint SourceFileSize,   // DWORD* out
    out uint TargetFileSize,   // DWORD* out
    out uint CompressionType   // FILE_COMPRESSION_TYPE* out
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupGetFileCompressionInfoExA(
    <MarshalAs(UnmanagedType.LPStr)> SourceFileName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> ActualSourceFileNameBuffer As String,   ' LPSTR optional
    ActualSourceFileNameBufferLen As UInteger,   ' DWORD
    RequiredBufferLen As IntPtr,   ' DWORD* optional, out
    <Out> ByRef SourceFileSize As UInteger,   ' DWORD* out
    <Out> ByRef TargetFileSize As UInteger,   ' DWORD* out
    <Out> ByRef CompressionType As UInteger   ' FILE_COMPRESSION_TYPE* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' SourceFileName : LPCSTR
' ActualSourceFileNameBuffer : LPSTR optional
' ActualSourceFileNameBufferLen : DWORD
' RequiredBufferLen : DWORD* optional, out
' SourceFileSize : DWORD* out
' TargetFileSize : DWORD* out
' CompressionType : FILE_COMPRESSION_TYPE* out
Declare PtrSafe Function SetupGetFileCompressionInfoExA Lib "setupapi" ( _
    ByVal SourceFileName As String, _
    ByVal ActualSourceFileNameBuffer As String, _
    ByVal ActualSourceFileNameBufferLen As Long, _
    ByVal RequiredBufferLen As LongPtr, _
    ByRef SourceFileSize As Long, _
    ByRef TargetFileSize As Long, _
    ByRef CompressionType 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

SetupGetFileCompressionInfoExA = ctypes.windll.setupapi.SetupGetFileCompressionInfoExA
SetupGetFileCompressionInfoExA.restype = wintypes.BOOL
SetupGetFileCompressionInfoExA.argtypes = [
    wintypes.LPCSTR,  # SourceFileName : LPCSTR
    wintypes.LPCSTR,  # ActualSourceFileNameBuffer : LPSTR optional
    wintypes.DWORD,  # ActualSourceFileNameBufferLen : DWORD
    ctypes.POINTER(wintypes.DWORD),  # RequiredBufferLen : DWORD* optional, out
    ctypes.POINTER(wintypes.DWORD),  # SourceFileSize : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # TargetFileSize : DWORD* out
    ctypes.c_void_p,  # CompressionType : FILE_COMPRESSION_TYPE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupGetFileCompressionInfoExA = Fiddle::Function.new(
  lib['SetupGetFileCompressionInfoExA'],
  [
    Fiddle::TYPE_VOIDP,  # SourceFileName : LPCSTR
    Fiddle::TYPE_VOIDP,  # ActualSourceFileNameBuffer : LPSTR optional
    -Fiddle::TYPE_INT,  # ActualSourceFileNameBufferLen : DWORD
    Fiddle::TYPE_VOIDP,  # RequiredBufferLen : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # SourceFileSize : DWORD* out
    Fiddle::TYPE_VOIDP,  # TargetFileSize : DWORD* out
    Fiddle::TYPE_VOIDP,  # CompressionType : FILE_COMPRESSION_TYPE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "setupapi")]
extern "system" {
    fn SetupGetFileCompressionInfoExA(
        SourceFileName: *const u8,  // LPCSTR
        ActualSourceFileNameBuffer: *mut u8,  // LPSTR optional
        ActualSourceFileNameBufferLen: u32,  // DWORD
        RequiredBufferLen: *mut u32,  // DWORD* optional, out
        SourceFileSize: *mut u32,  // DWORD* out
        TargetFileSize: *mut u32,  // DWORD* out
        CompressionType: *mut u32  // FILE_COMPRESSION_TYPE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetupGetFileCompressionInfoExA([MarshalAs(UnmanagedType.LPStr)] string SourceFileName, [MarshalAs(UnmanagedType.LPStr)] string ActualSourceFileNameBuffer, uint ActualSourceFileNameBufferLen, IntPtr RequiredBufferLen, out uint SourceFileSize, out uint TargetFileSize, out uint CompressionType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupGetFileCompressionInfoExA' -Namespace Win32 -PassThru
# $api::SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)

#uselib "SETUPAPI.dll"
#func global SetupGetFileCompressionInfoExA "SetupGetFileCompressionInfoExA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SetupGetFileCompressionInfoExA SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, varptr(RequiredBufferLen), varptr(SourceFileSize), varptr(TargetFileSize), varptr(CompressionType)   ; 戻り値は stat
; SourceFileName : LPCSTR -> "sptr"
; ActualSourceFileNameBuffer : LPSTR optional -> "sptr"
; ActualSourceFileNameBufferLen : DWORD -> "sptr"
; RequiredBufferLen : DWORD* optional, out -> "sptr"
; SourceFileSize : DWORD* out -> "sptr"
; TargetFileSize : DWORD* out -> "sptr"
; CompressionType : FILE_COMPRESSION_TYPE* 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。

出力引数:

#uselib "SETUPAPI.dll"
#cfunc global SetupGetFileCompressionInfoExA "SetupGetFileCompressionInfoExA" str, str, int, var, var, var, var
; res = SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
; SourceFileName : LPCSTR -> "str"
; ActualSourceFileNameBuffer : LPSTR optional -> "str"
; ActualSourceFileNameBufferLen : DWORD -> "int"
; RequiredBufferLen : DWORD* optional, out -> "var"
; SourceFileSize : DWORD* out -> "var"
; TargetFileSize : DWORD* out -> "var"
; CompressionType : FILE_COMPRESSION_TYPE* out -> "var"
; ※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。#uselib "SETUPAPI.dll"
#cfunc global SetupGetFileCompressionInfoExA "SetupGetFileCompressionInfoExA" str, str, int, sptr, sptr, sptr, sptr
; res = SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, varptr(RequiredBufferLen), varptr(SourceFileSize), varptr(TargetFileSize), varptr(CompressionType))
; SourceFileName : LPCSTR -> "str"
; ActualSourceFileNameBuffer : LPSTR optional -> "str"
; ActualSourceFileNameBufferLen : DWORD -> "int"
; RequiredBufferLen : DWORD* optional, out -> "sptr"
; SourceFileSize : DWORD* out -> "sptr"
; TargetFileSize : DWORD* out -> "sptr"
; CompressionType : FILE_COMPRESSION_TYPE* out -> "sptr"
; ※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))。

出力引数:

; BOOL SetupGetFileCompressionInfoExA(LPCSTR SourceFileName, LPSTR ActualSourceFileNameBuffer, DWORD ActualSourceFileNameBufferLen, DWORD* RequiredBufferLen, DWORD* SourceFileSize, DWORD* TargetFileSize, FILE_COMPRESSION_TYPE* CompressionType)
#uselib "SETUPAPI.dll"
#cfunc global SetupGetFileCompressionInfoExA "SetupGetFileCompressionInfoExA" str, str, int, var, var, var, var
; res = SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
; SourceFileName : LPCSTR -> "str"
; ActualSourceFileNameBuffer : LPSTR optional -> "str"
; ActualSourceFileNameBufferLen : DWORD -> "int"
; RequiredBufferLen : DWORD* optional, out -> "var"
; SourceFileSize : DWORD* out -> "var"
; TargetFileSize : DWORD* out -> "var"
; CompressionType : FILE_COMPRESSION_TYPE* out -> "var"
; ※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 SetupGetFileCompressionInfoExA(LPCSTR SourceFileName, LPSTR ActualSourceFileNameBuffer, DWORD ActualSourceFileNameBufferLen, DWORD* RequiredBufferLen, DWORD* SourceFileSize, DWORD* TargetFileSize, FILE_COMPRESSION_TYPE* CompressionType)
#uselib "SETUPAPI.dll"
#cfunc global SetupGetFileCompressionInfoExA "SetupGetFileCompressionInfoExA" str, str, int, intptr, intptr, intptr, intptr
; res = SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, varptr(RequiredBufferLen), varptr(SourceFileSize), varptr(TargetFileSize), varptr(CompressionType))
; SourceFileName : LPCSTR -> "str"
; ActualSourceFileNameBuffer : LPSTR optional -> "str"
; ActualSourceFileNameBufferLen : DWORD -> "int"
; RequiredBufferLen : DWORD* optional, out -> "intptr"
; SourceFileSize : DWORD* out -> "intptr"
; TargetFileSize : DWORD* out -> "intptr"
; CompressionType : FILE_COMPRESSION_TYPE* out -> "intptr"
; ※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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupGetFileCompressionInfoExA = setupapi.NewProc("SetupGetFileCompressionInfoExA")
)

// SourceFileName (LPCSTR), ActualSourceFileNameBuffer (LPSTR optional), ActualSourceFileNameBufferLen (DWORD), RequiredBufferLen (DWORD* optional, out), SourceFileSize (DWORD* out), TargetFileSize (DWORD* out), CompressionType (FILE_COMPRESSION_TYPE* out)
r1, _, err := procSetupGetFileCompressionInfoExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(SourceFileName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(ActualSourceFileNameBuffer))),
	uintptr(ActualSourceFileNameBufferLen),
	uintptr(RequiredBufferLen),
	uintptr(SourceFileSize),
	uintptr(TargetFileSize),
	uintptr(CompressionType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupGetFileCompressionInfoExA(
  SourceFileName: PAnsiChar;   // LPCSTR
  ActualSourceFileNameBuffer: PAnsiChar;   // LPSTR optional
  ActualSourceFileNameBufferLen: DWORD;   // DWORD
  RequiredBufferLen: Pointer;   // DWORD* optional, out
  SourceFileSize: Pointer;   // DWORD* out
  TargetFileSize: Pointer;   // DWORD* out
  CompressionType: Pointer   // FILE_COMPRESSION_TYPE* out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupGetFileCompressionInfoExA';

result := DllCall("SETUPAPI\SetupGetFileCompressionInfoExA"
    , "AStr", SourceFileName   ; LPCSTR
    , "AStr", ActualSourceFileNameBuffer   ; LPSTR optional
    , "UInt", ActualSourceFileNameBufferLen   ; DWORD
    , "Ptr", RequiredBufferLen   ; DWORD* optional, out
    , "Ptr", SourceFileSize   ; DWORD* out
    , "Ptr", TargetFileSize   ; DWORD* out
    , "Ptr", CompressionType   ; FILE_COMPRESSION_TYPE* out
    , "Int")   ; return: BOOL

●SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType) = DLL("SETUPAPI.dll", "bool SetupGetFileCompressionInfoExA(char*, char*, dword, void*, void*, void*, void*)")
# 呼び出し: SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
# SourceFileName : LPCSTR -> "char*"
# ActualSourceFileNameBuffer : LPSTR optional -> "char*"
# ActualSourceFileNameBufferLen : DWORD -> "dword"
# RequiredBufferLen : DWORD* optional, out -> "void*"
# SourceFileSize : DWORD* out -> "void*"
# TargetFileSize : DWORD* out -> "void*"
# CompressionType : FILE_COMPRESSION_TYPE* 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 "setupapi" fn SetupGetFileCompressionInfoExA(
    SourceFileName: [*c]const u8, // LPCSTR
    ActualSourceFileNameBuffer: [*c]const u8, // LPSTR optional
    ActualSourceFileNameBufferLen: u32, // DWORD
    RequiredBufferLen: [*c]u32, // DWORD* optional, out
    SourceFileSize: [*c]u32, // DWORD* out
    TargetFileSize: [*c]u32, // DWORD* out
    CompressionType: [*c]u32 // FILE_COMPRESSION_TYPE* out
) callconv(std.os.windows.WINAPI) i32;

proc SetupGetFileCompressionInfoExA(
    SourceFileName: cstring,  # LPCSTR
    ActualSourceFileNameBuffer: cstring,  # LPSTR optional
    ActualSourceFileNameBufferLen: uint32,  # DWORD
    RequiredBufferLen: ptr uint32,  # DWORD* optional, out
    SourceFileSize: ptr uint32,  # DWORD* out
    TargetFileSize: ptr uint32,  # DWORD* out
    CompressionType: ptr uint32  # FILE_COMPRESSION_TYPE* out
): int32 {.importc: "SetupGetFileCompressionInfoExA", stdcall, dynlib: "SETUPAPI.dll".}

pragma(lib, "setupapi");
extern(Windows)
int SetupGetFileCompressionInfoExA(
    const(char)* SourceFileName,   // LPCSTR
    const(char)* ActualSourceFileNameBuffer,   // LPSTR optional
    uint ActualSourceFileNameBufferLen,   // DWORD
    uint* RequiredBufferLen,   // DWORD* optional, out
    uint* SourceFileSize,   // DWORD* out
    uint* TargetFileSize,   // DWORD* out
    uint* CompressionType   // FILE_COMPRESSION_TYPE* out
);

ccall((:SetupGetFileCompressionInfoExA, "SETUPAPI.dll"), stdcall, Int32,
      (Cstring, Cstring, UInt32, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}),
      SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
# SourceFileName : LPCSTR -> Cstring
# ActualSourceFileNameBuffer : LPSTR optional -> Cstring
# ActualSourceFileNameBufferLen : DWORD -> UInt32
# RequiredBufferLen : DWORD* optional, out -> Ptr{UInt32}
# SourceFileSize : DWORD* out -> Ptr{UInt32}
# TargetFileSize : DWORD* out -> Ptr{UInt32}
# CompressionType : FILE_COMPRESSION_TYPE* 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 SetupGetFileCompressionInfoExA(
    const char* SourceFileName,
    const char* ActualSourceFileNameBuffer,
    uint32_t ActualSourceFileNameBufferLen,
    uint32_t* RequiredBufferLen,
    uint32_t* SourceFileSize,
    uint32_t* TargetFileSize,
    uint32_t* CompressionType);
]]
local setupapi = ffi.load("setupapi")
-- setupapi.SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
-- SourceFileName : LPCSTR
-- ActualSourceFileNameBuffer : LPSTR optional
-- ActualSourceFileNameBufferLen : DWORD
-- RequiredBufferLen : DWORD* optional, out
-- SourceFileSize : DWORD* out
-- TargetFileSize : DWORD* out
-- CompressionType : FILE_COMPRESSION_TYPE* 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('SETUPAPI.dll');
const SetupGetFileCompressionInfoExA = lib.func('__stdcall', 'SetupGetFileCompressionInfoExA', 'int32_t', ['str', 'str', 'uint32_t', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *']);
// SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
// SourceFileName : LPCSTR -> 'str'
// ActualSourceFileNameBuffer : LPSTR optional -> 'str'
// ActualSourceFileNameBufferLen : DWORD -> 'uint32_t'
// RequiredBufferLen : DWORD* optional, out -> 'uint32_t *'
// SourceFileSize : DWORD* out -> 'uint32_t *'
// TargetFileSize : DWORD* out -> 'uint32_t *'
// CompressionType : FILE_COMPRESSION_TYPE* 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("SETUPAPI.dll", {
  SetupGetFileCompressionInfoExA: { parameters: ["buffer", "buffer", "u32", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType)
// SourceFileName : LPCSTR -> "buffer"
// ActualSourceFileNameBuffer : LPSTR optional -> "buffer"
// ActualSourceFileNameBufferLen : DWORD -> "u32"
// RequiredBufferLen : DWORD* optional, out -> "pointer"
// SourceFileSize : DWORD* out -> "pointer"
// TargetFileSize : DWORD* out -> "pointer"
// CompressionType : FILE_COMPRESSION_TYPE* 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 SetupGetFileCompressionInfoExA(
    const char* SourceFileName,
    const char* ActualSourceFileNameBuffer,
    uint32_t ActualSourceFileNameBufferLen,
    uint32_t* RequiredBufferLen,
    uint32_t* SourceFileSize,
    uint32_t* TargetFileSize,
    uint32_t* CompressionType);
C, "SETUPAPI.dll");
// $ffi->SetupGetFileCompressionInfoExA(SourceFileName, ActualSourceFileNameBuffer, ActualSourceFileNameBufferLen, RequiredBufferLen, SourceFileSize, TargetFileSize, CompressionType);
// SourceFileName : LPCSTR
// ActualSourceFileNameBuffer : LPSTR optional
// ActualSourceFileNameBufferLen : DWORD
// RequiredBufferLen : DWORD* optional, out
// SourceFileSize : DWORD* out
// TargetFileSize : DWORD* out
// CompressionType : FILE_COMPRESSION_TYPE* 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 Setupapi extends StdCallLibrary {
    Setupapi INSTANCE = Native.load("setupapi", Setupapi.class, W32APIOptions.ASCII_OPTIONS);
    boolean SetupGetFileCompressionInfoExA(
        String SourceFileName,   // LPCSTR
        String ActualSourceFileNameBuffer,   // LPSTR optional
        int ActualSourceFileNameBufferLen,   // DWORD
        IntByReference RequiredBufferLen,   // DWORD* optional, out
        IntByReference SourceFileSize,   // DWORD* out
        IntByReference TargetFileSize,   // DWORD* out
        IntByReference CompressionType   // FILE_COMPRESSION_TYPE* out
    );
}

@[Link("setupapi")]
lib LibSETUPAPI
  fun SetupGetFileCompressionInfoExA = SetupGetFileCompressionInfoExA(
    SourceFileName : UInt8*,   # LPCSTR
    ActualSourceFileNameBuffer : UInt8*,   # LPSTR optional
    ActualSourceFileNameBufferLen : UInt32,   # DWORD
    RequiredBufferLen : UInt32*,   # DWORD* optional, out
    SourceFileSize : UInt32*,   # DWORD* out
    TargetFileSize : UInt32*,   # DWORD* out
    CompressionType : UInt32*   # FILE_COMPRESSION_TYPE* 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 SetupGetFileCompressionInfoExANative = Int32 Function(Pointer<Utf8>, Pointer<Utf8>, Uint32, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
typedef SetupGetFileCompressionInfoExADart = int Function(Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
final SetupGetFileCompressionInfoExA = DynamicLibrary.open('SETUPAPI.dll')
    .lookupFunction<SetupGetFileCompressionInfoExANative, SetupGetFileCompressionInfoExADart>('SetupGetFileCompressionInfoExA');
// SourceFileName : LPCSTR -> Pointer<Utf8>
// ActualSourceFileNameBuffer : LPSTR optional -> Pointer<Utf8>
// ActualSourceFileNameBufferLen : DWORD -> Uint32
// RequiredBufferLen : DWORD* optional, out -> Pointer<Uint32>
// SourceFileSize : DWORD* out -> Pointer<Uint32>
// TargetFileSize : DWORD* out -> Pointer<Uint32>
// CompressionType : FILE_COMPRESSION_TYPE* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetupGetFileCompressionInfoExA(
  SourceFileName: PAnsiChar;   // LPCSTR
  ActualSourceFileNameBuffer: PAnsiChar;   // LPSTR optional
  ActualSourceFileNameBufferLen: DWORD;   // DWORD
  RequiredBufferLen: Pointer;   // DWORD* optional, out
  SourceFileSize: Pointer;   // DWORD* out
  TargetFileSize: Pointer;   // DWORD* out
  CompressionType: Pointer   // FILE_COMPRESSION_TYPE* out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupGetFileCompressionInfoExA';

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

foreign import stdcall safe "SetupGetFileCompressionInfoExA"
  c_SetupGetFileCompressionInfoExA :: CString -> CString -> Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> IO CInt
-- SourceFileName : LPCSTR -> CString
-- ActualSourceFileNameBuffer : LPSTR optional -> CString
-- ActualSourceFileNameBufferLen : DWORD -> Word32
-- RequiredBufferLen : DWORD* optional, out -> Ptr Word32
-- SourceFileSize : DWORD* out -> Ptr Word32
-- TargetFileSize : DWORD* out -> Ptr Word32
-- CompressionType : FILE_COMPRESSION_TYPE* 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 setupgetfilecompressioninfoexa =
  foreign "SetupGetFileCompressionInfoExA"
    (string @-> string @-> uint32_t @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* SourceFileName : LPCSTR -> string *)
(* ActualSourceFileNameBuffer : LPSTR optional -> string *)
(* ActualSourceFileNameBufferLen : DWORD -> uint32_t *)
(* RequiredBufferLen : DWORD* optional, out -> (ptr uint32_t) *)
(* SourceFileSize : DWORD* out -> (ptr uint32_t) *)
(* TargetFileSize : DWORD* out -> (ptr uint32_t) *)
(* CompressionType : FILE_COMPRESSION_TYPE* 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 setupapi (t "SETUPAPI.dll"))
(cffi:use-foreign-library setupapi)

(cffi:defcfun ("SetupGetFileCompressionInfoExA" setup-get-file-compression-info-ex-a :convention :stdcall) :int32
  (source-file-name :string)   ; LPCSTR
  (actual-source-file-name-buffer :string)   ; LPSTR optional
  (actual-source-file-name-buffer-len :uint32)   ; DWORD
  (required-buffer-len :pointer)   ; DWORD* optional, out
  (source-file-size :pointer)   ; DWORD* out
  (target-file-size :pointer)   ; DWORD* out
  (compression-type :pointer))   ; FILE_COMPRESSION_TYPE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetupGetFileCompressionInfoExA = Win32::API::More->new('SETUPAPI',
    'BOOL SetupGetFileCompressionInfoExA(LPCSTR SourceFileName, LPCSTR ActualSourceFileNameBuffer, DWORD ActualSourceFileNameBufferLen, LPVOID RequiredBufferLen, LPVOID SourceFileSize, LPVOID TargetFileSize, LPVOID CompressionType)');
# my $ret = $SetupGetFileCompressionInfoExA->Call($SourceFileName, $ActualSourceFileNameBuffer, $ActualSourceFileNameBufferLen, $RequiredBufferLen, $SourceFileSize, $TargetFileSize, $CompressionType);
# SourceFileName : LPCSTR -> LPCSTR
# ActualSourceFileNameBuffer : LPSTR optional -> LPCSTR
# ActualSourceFileNameBufferLen : DWORD -> DWORD
# RequiredBufferLen : DWORD* optional, out -> LPVOID
# SourceFileSize : DWORD* out -> LPVOID
# TargetFileSize : DWORD* out -> LPVOID
# CompressionType : FILE_COMPRESSION_TYPE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

SetupGetFileCompressionInfoExA

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