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SetupQueryFileLogA
関数ファイルログから指定ファイルの記録情報を取得する。
シグネチャ
// SETUPAPI.dll (ANSI / -A)
#include <windows.h>
BOOL SetupQueryFileLogA(
void* FileLogHandle,
LPCSTR LogSectionName, // optional
LPCSTR TargetFilename,
SetupFileLogInfo DesiredInfo,
LPSTR DataOut, // optional
DWORD ReturnBufferSize,
DWORD* RequiredSize // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| FileLogHandle | void* | in | 問い合わせ対象のファイルログのハンドル。 |
| LogSectionName | LPCSTR | inoptional | 対象エントリが属するセクション名(ANSI)。NULL可。 |
| TargetFilename | LPCSTR | in | 情報を取得する対象のターゲットファイル名(ANSI)。 |
| DesiredInfo | SetupFileLogInfo | in | 取得する情報の種類を示すSetupFileLogInfo列挙値。 |
| DataOut | LPSTR | outoptional | 取得した情報を受け取るバッファ(ANSI)。NULL可。 |
| ReturnBufferSize | DWORD | in | DataOutバッファの文字数サイズ。 |
| RequiredSize | DWORD* | outoptional | 必要なバッファ文字数を受け取るDWORDへのポインタ。NULL可。 |
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 SetupQueryFileLogA(
void* FileLogHandle,
LPCSTR LogSectionName, // optional
LPCSTR TargetFilename,
SetupFileLogInfo DesiredInfo,
LPSTR DataOut, // optional
DWORD ReturnBufferSize,
DWORD* RequiredSize // optional
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetupQueryFileLogA(
IntPtr FileLogHandle, // void*
[MarshalAs(UnmanagedType.LPStr)] string LogSectionName, // LPCSTR optional
[MarshalAs(UnmanagedType.LPStr)] string TargetFilename, // LPCSTR
int DesiredInfo, // SetupFileLogInfo
[MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder DataOut, // LPSTR optional, out
uint ReturnBufferSize, // DWORD
IntPtr RequiredSize // DWORD* optional, out
);<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupQueryFileLogA(
FileLogHandle As IntPtr, ' void*
<MarshalAs(UnmanagedType.LPStr)> LogSectionName As String, ' LPCSTR optional
<MarshalAs(UnmanagedType.LPStr)> TargetFilename As String, ' LPCSTR
DesiredInfo As Integer, ' SetupFileLogInfo
<MarshalAs(UnmanagedType.LPStr)> DataOut As System.Text.StringBuilder, ' LPSTR optional, out
ReturnBufferSize As UInteger, ' DWORD
RequiredSize As IntPtr ' DWORD* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' FileLogHandle : void*
' LogSectionName : LPCSTR optional
' TargetFilename : LPCSTR
' DesiredInfo : SetupFileLogInfo
' DataOut : LPSTR optional, out
' ReturnBufferSize : DWORD
' RequiredSize : DWORD* optional, out
Declare PtrSafe Function SetupQueryFileLogA Lib "setupapi" ( _
ByVal FileLogHandle As LongPtr, _
ByVal LogSectionName As String, _
ByVal TargetFilename As String, _
ByVal DesiredInfo As Long, _
ByVal DataOut As String, _
ByVal ReturnBufferSize As Long, _
ByVal RequiredSize 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
SetupQueryFileLogA = ctypes.windll.setupapi.SetupQueryFileLogA
SetupQueryFileLogA.restype = wintypes.BOOL
SetupQueryFileLogA.argtypes = [
ctypes.POINTER(None), # FileLogHandle : void*
wintypes.LPCSTR, # LogSectionName : LPCSTR optional
wintypes.LPCSTR, # TargetFilename : LPCSTR
ctypes.c_int, # DesiredInfo : SetupFileLogInfo
wintypes.LPSTR, # DataOut : LPSTR optional, out
wintypes.DWORD, # ReturnBufferSize : DWORD
ctypes.POINTER(wintypes.DWORD), # RequiredSize : DWORD* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('SETUPAPI.dll')
SetupQueryFileLogA = Fiddle::Function.new(
lib['SetupQueryFileLogA'],
[
Fiddle::TYPE_VOIDP, # FileLogHandle : void*
Fiddle::TYPE_VOIDP, # LogSectionName : LPCSTR optional
Fiddle::TYPE_VOIDP, # TargetFilename : LPCSTR
Fiddle::TYPE_INT, # DesiredInfo : SetupFileLogInfo
Fiddle::TYPE_VOIDP, # DataOut : LPSTR optional, out
-Fiddle::TYPE_INT, # ReturnBufferSize : DWORD
Fiddle::TYPE_VOIDP, # RequiredSize : DWORD* optional, out
],
Fiddle::TYPE_INT)#[link(name = "setupapi")]
extern "system" {
fn SetupQueryFileLogA(
FileLogHandle: *mut (), // void*
LogSectionName: *const u8, // LPCSTR optional
TargetFilename: *const u8, // LPCSTR
DesiredInfo: i32, // SetupFileLogInfo
DataOut: *mut u8, // LPSTR optional, out
ReturnBufferSize: u32, // DWORD
RequiredSize: *mut u32 // DWORD* optional, 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 SetupQueryFileLogA(IntPtr FileLogHandle, [MarshalAs(UnmanagedType.LPStr)] string LogSectionName, [MarshalAs(UnmanagedType.LPStr)] string TargetFilename, int DesiredInfo, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder DataOut, uint ReturnBufferSize, IntPtr RequiredSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupQueryFileLogA' -Namespace Win32 -PassThru
# $api::SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize)#uselib "SETUPAPI.dll"
#func global SetupQueryFileLogA "SetupQueryFileLogA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SetupQueryFileLogA FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, varptr(DataOut), ReturnBufferSize, varptr(RequiredSize) ; 戻り値は stat
; FileLogHandle : void* -> "sptr"
; LogSectionName : LPCSTR optional -> "sptr"
; TargetFilename : LPCSTR -> "sptr"
; DesiredInfo : SetupFileLogInfo -> "sptr"
; DataOut : LPSTR optional, out -> "sptr"
; ReturnBufferSize : DWORD -> "sptr"
; RequiredSize : DWORD* optional, 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 SetupQueryFileLogA "SetupQueryFileLogA" sptr, str, str, int, var, int, var ; res = SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize) ; FileLogHandle : void* -> "sptr" ; LogSectionName : LPCSTR optional -> "str" ; TargetFilename : LPCSTR -> "str" ; DesiredInfo : SetupFileLogInfo -> "int" ; DataOut : LPSTR optional, out -> "var" ; ReturnBufferSize : DWORD -> "int" ; RequiredSize : DWORD* optional, 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 SetupQueryFileLogA "SetupQueryFileLogA" sptr, str, str, int, sptr, int, sptr ; res = SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, varptr(DataOut), ReturnBufferSize, varptr(RequiredSize)) ; FileLogHandle : void* -> "sptr" ; LogSectionName : LPCSTR optional -> "str" ; TargetFilename : LPCSTR -> "str" ; DesiredInfo : SetupFileLogInfo -> "int" ; DataOut : LPSTR optional, out -> "sptr" ; ReturnBufferSize : DWORD -> "int" ; RequiredSize : DWORD* optional, 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 SetupQueryFileLogA(void* FileLogHandle, LPCSTR LogSectionName, LPCSTR TargetFilename, SetupFileLogInfo DesiredInfo, LPSTR DataOut, DWORD ReturnBufferSize, DWORD* RequiredSize) #uselib "SETUPAPI.dll" #cfunc global SetupQueryFileLogA "SetupQueryFileLogA" intptr, str, str, int, var, int, var ; res = SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize) ; FileLogHandle : void* -> "intptr" ; LogSectionName : LPCSTR optional -> "str" ; TargetFilename : LPCSTR -> "str" ; DesiredInfo : SetupFileLogInfo -> "int" ; DataOut : LPSTR optional, out -> "var" ; ReturnBufferSize : DWORD -> "int" ; RequiredSize : DWORD* optional, 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 SetupQueryFileLogA(void* FileLogHandle, LPCSTR LogSectionName, LPCSTR TargetFilename, SetupFileLogInfo DesiredInfo, LPSTR DataOut, DWORD ReturnBufferSize, DWORD* RequiredSize) #uselib "SETUPAPI.dll" #cfunc global SetupQueryFileLogA "SetupQueryFileLogA" intptr, str, str, int, intptr, int, intptr ; res = SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, varptr(DataOut), ReturnBufferSize, varptr(RequiredSize)) ; FileLogHandle : void* -> "intptr" ; LogSectionName : LPCSTR optional -> "str" ; TargetFilename : LPCSTR -> "str" ; DesiredInfo : SetupFileLogInfo -> "int" ; DataOut : LPSTR optional, out -> "intptr" ; ReturnBufferSize : DWORD -> "int" ; RequiredSize : DWORD* optional, 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")
procSetupQueryFileLogA = setupapi.NewProc("SetupQueryFileLogA")
)
// FileLogHandle (void*), LogSectionName (LPCSTR optional), TargetFilename (LPCSTR), DesiredInfo (SetupFileLogInfo), DataOut (LPSTR optional, out), ReturnBufferSize (DWORD), RequiredSize (DWORD* optional, out)
r1, _, err := procSetupQueryFileLogA.Call(
uintptr(FileLogHandle),
uintptr(unsafe.Pointer(windows.BytePtrFromString(LogSectionName))),
uintptr(unsafe.Pointer(windows.BytePtrFromString(TargetFilename))),
uintptr(DesiredInfo),
uintptr(DataOut),
uintptr(ReturnBufferSize),
uintptr(RequiredSize),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction SetupQueryFileLogA(
FileLogHandle: Pointer; // void*
LogSectionName: PAnsiChar; // LPCSTR optional
TargetFilename: PAnsiChar; // LPCSTR
DesiredInfo: Integer; // SetupFileLogInfo
DataOut: PAnsiChar; // LPSTR optional, out
ReturnBufferSize: DWORD; // DWORD
RequiredSize: Pointer // DWORD* optional, out
): BOOL; stdcall;
external 'SETUPAPI.dll' name 'SetupQueryFileLogA';result := DllCall("SETUPAPI\SetupQueryFileLogA"
, "Ptr", FileLogHandle ; void*
, "AStr", LogSectionName ; LPCSTR optional
, "AStr", TargetFilename ; LPCSTR
, "Int", DesiredInfo ; SetupFileLogInfo
, "Ptr", DataOut ; LPSTR optional, out
, "UInt", ReturnBufferSize ; DWORD
, "Ptr", RequiredSize ; DWORD* optional, out
, "Int") ; return: BOOL●SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize) = DLL("SETUPAPI.dll", "bool SetupQueryFileLogA(void*, char*, char*, int, char*, dword, void*)")
# 呼び出し: SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize)
# FileLogHandle : void* -> "void*"
# LogSectionName : LPCSTR optional -> "char*"
# TargetFilename : LPCSTR -> "char*"
# DesiredInfo : SetupFileLogInfo -> "int"
# DataOut : LPSTR optional, out -> "char*"
# ReturnBufferSize : DWORD -> "dword"
# RequiredSize : DWORD* optional, 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 SetupQueryFileLogA(
FileLogHandle: ?*anyopaque, // void*
LogSectionName: [*c]const u8, // LPCSTR optional
TargetFilename: [*c]const u8, // LPCSTR
DesiredInfo: i32, // SetupFileLogInfo
DataOut: [*c]u8, // LPSTR optional, out
ReturnBufferSize: u32, // DWORD
RequiredSize: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) i32;proc SetupQueryFileLogA(
FileLogHandle: pointer, # void*
LogSectionName: cstring, # LPCSTR optional
TargetFilename: cstring, # LPCSTR
DesiredInfo: int32, # SetupFileLogInfo
DataOut: ptr char, # LPSTR optional, out
ReturnBufferSize: uint32, # DWORD
RequiredSize: ptr uint32 # DWORD* optional, out
): int32 {.importc: "SetupQueryFileLogA", stdcall, dynlib: "SETUPAPI.dll".}pragma(lib, "setupapi");
extern(Windows)
int SetupQueryFileLogA(
void* FileLogHandle, // void*
const(char)* LogSectionName, // LPCSTR optional
const(char)* TargetFilename, // LPCSTR
int DesiredInfo, // SetupFileLogInfo
char* DataOut, // LPSTR optional, out
uint ReturnBufferSize, // DWORD
uint* RequiredSize // DWORD* optional, out
);ccall((:SetupQueryFileLogA, "SETUPAPI.dll"), stdcall, Int32,
(Ptr{Cvoid}, Cstring, Cstring, Int32, Ptr{UInt8}, UInt32, Ptr{UInt32}),
FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize)
# FileLogHandle : void* -> Ptr{Cvoid}
# LogSectionName : LPCSTR optional -> Cstring
# TargetFilename : LPCSTR -> Cstring
# DesiredInfo : SetupFileLogInfo -> Int32
# DataOut : LPSTR optional, out -> Ptr{UInt8}
# ReturnBufferSize : DWORD -> UInt32
# RequiredSize : DWORD* optional, 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 SetupQueryFileLogA(
void* FileLogHandle,
const char* LogSectionName,
const char* TargetFilename,
int32_t DesiredInfo,
char* DataOut,
uint32_t ReturnBufferSize,
uint32_t* RequiredSize);
]]
local setupapi = ffi.load("setupapi")
-- setupapi.SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize)
-- FileLogHandle : void*
-- LogSectionName : LPCSTR optional
-- TargetFilename : LPCSTR
-- DesiredInfo : SetupFileLogInfo
-- DataOut : LPSTR optional, out
-- ReturnBufferSize : DWORD
-- RequiredSize : DWORD* optional, 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 SetupQueryFileLogA = lib.func('__stdcall', 'SetupQueryFileLogA', 'int32_t', ['void *', 'str', 'str', 'int32_t', 'char *', 'uint32_t', 'uint32_t *']);
// SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize)
// FileLogHandle : void* -> 'void *'
// LogSectionName : LPCSTR optional -> 'str'
// TargetFilename : LPCSTR -> 'str'
// DesiredInfo : SetupFileLogInfo -> 'int32_t'
// DataOut : LPSTR optional, out -> 'char *'
// ReturnBufferSize : DWORD -> 'uint32_t'
// RequiredSize : DWORD* optional, 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", {
SetupQueryFileLogA: { parameters: ["pointer", "buffer", "buffer", "i32", "buffer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize)
// FileLogHandle : void* -> "pointer"
// LogSectionName : LPCSTR optional -> "buffer"
// TargetFilename : LPCSTR -> "buffer"
// DesiredInfo : SetupFileLogInfo -> "i32"
// DataOut : LPSTR optional, out -> "buffer"
// ReturnBufferSize : DWORD -> "u32"
// RequiredSize : DWORD* optional, 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 SetupQueryFileLogA(
void* FileLogHandle,
const char* LogSectionName,
const char* TargetFilename,
int32_t DesiredInfo,
char* DataOut,
uint32_t ReturnBufferSize,
uint32_t* RequiredSize);
C, "SETUPAPI.dll");
// $ffi->SetupQueryFileLogA(FileLogHandle, LogSectionName, TargetFilename, DesiredInfo, DataOut, ReturnBufferSize, RequiredSize);
// FileLogHandle : void*
// LogSectionName : LPCSTR optional
// TargetFilename : LPCSTR
// DesiredInfo : SetupFileLogInfo
// DataOut : LPSTR optional, out
// ReturnBufferSize : DWORD
// RequiredSize : DWORD* optional, 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 SetupQueryFileLogA(
Pointer FileLogHandle, // void*
String LogSectionName, // LPCSTR optional
String TargetFilename, // LPCSTR
int DesiredInfo, // SetupFileLogInfo
byte[] DataOut, // LPSTR optional, out
int ReturnBufferSize, // DWORD
IntByReference RequiredSize // DWORD* optional, out
);
}@[Link("setupapi")]
lib LibSETUPAPI
fun SetupQueryFileLogA = SetupQueryFileLogA(
FileLogHandle : Void*, # void*
LogSectionName : UInt8*, # LPCSTR optional
TargetFilename : UInt8*, # LPCSTR
DesiredInfo : Int32, # SetupFileLogInfo
DataOut : UInt8*, # LPSTR optional, out
ReturnBufferSize : UInt32, # DWORD
RequiredSize : UInt32* # DWORD* optional, 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 SetupQueryFileLogANative = Int32 Function(Pointer<Void>, Pointer<Utf8>, Pointer<Utf8>, Int32, Pointer<Utf8>, Uint32, Pointer<Uint32>);
typedef SetupQueryFileLogADart = int Function(Pointer<Void>, Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Utf8>, int, Pointer<Uint32>);
final SetupQueryFileLogA = DynamicLibrary.open('SETUPAPI.dll')
.lookupFunction<SetupQueryFileLogANative, SetupQueryFileLogADart>('SetupQueryFileLogA');
// FileLogHandle : void* -> Pointer<Void>
// LogSectionName : LPCSTR optional -> Pointer<Utf8>
// TargetFilename : LPCSTR -> Pointer<Utf8>
// DesiredInfo : SetupFileLogInfo -> Int32
// DataOut : LPSTR optional, out -> Pointer<Utf8>
// ReturnBufferSize : DWORD -> Uint32
// RequiredSize : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SetupQueryFileLogA(
FileLogHandle: Pointer; // void*
LogSectionName: PAnsiChar; // LPCSTR optional
TargetFilename: PAnsiChar; // LPCSTR
DesiredInfo: Integer; // SetupFileLogInfo
DataOut: PAnsiChar; // LPSTR optional, out
ReturnBufferSize: DWORD; // DWORD
RequiredSize: Pointer // DWORD* optional, out
): BOOL; stdcall;
external 'SETUPAPI.dll' name 'SetupQueryFileLogA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SetupQueryFileLogA"
c_SetupQueryFileLogA :: Ptr () -> CString -> CString -> Int32 -> CString -> Word32 -> Ptr Word32 -> IO CInt
-- FileLogHandle : void* -> Ptr ()
-- LogSectionName : LPCSTR optional -> CString
-- TargetFilename : LPCSTR -> CString
-- DesiredInfo : SetupFileLogInfo -> Int32
-- DataOut : LPSTR optional, out -> CString
-- ReturnBufferSize : DWORD -> Word32
-- RequiredSize : DWORD* optional, 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 setupqueryfileloga =
foreign "SetupQueryFileLogA"
((ptr void) @-> string @-> string @-> int32_t @-> string @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* FileLogHandle : void* -> (ptr void) *)
(* LogSectionName : LPCSTR optional -> string *)
(* TargetFilename : LPCSTR -> string *)
(* DesiredInfo : SetupFileLogInfo -> int32_t *)
(* DataOut : LPSTR optional, out -> string *)
(* ReturnBufferSize : DWORD -> uint32_t *)
(* RequiredSize : DWORD* optional, 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 ("SetupQueryFileLogA" setup-query-file-log-a :convention :stdcall) :int32
(file-log-handle :pointer) ; void*
(log-section-name :string) ; LPCSTR optional
(target-filename :string) ; LPCSTR
(desired-info :int32) ; SetupFileLogInfo
(data-out :pointer) ; LPSTR optional, out
(return-buffer-size :uint32) ; DWORD
(required-size :pointer)) ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SetupQueryFileLogA = Win32::API::More->new('SETUPAPI',
'BOOL SetupQueryFileLogA(LPVOID FileLogHandle, LPCSTR LogSectionName, LPCSTR TargetFilename, int DesiredInfo, LPSTR DataOut, DWORD ReturnBufferSize, LPVOID RequiredSize)');
# my $ret = $SetupQueryFileLogA->Call($FileLogHandle, $LogSectionName, $TargetFilename, $DesiredInfo, $DataOut, $ReturnBufferSize, $RequiredSize);
# FileLogHandle : void* -> LPVOID
# LogSectionName : LPCSTR optional -> LPCSTR
# TargetFilename : LPCSTR -> LPCSTR
# DesiredInfo : SetupFileLogInfo -> int
# DataOut : LPSTR optional, out -> LPSTR
# ReturnBufferSize : DWORD -> DWORD
# RequiredSize : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
文字セット違い
- f SetupQueryFileLogW (Unicode版) — ファイルログから指定ファイルの記録情報を取得する。
使用する型