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SetupFreeSourceListA

関数
照会で取得したソースリストのメモリを解放する(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 SetupFreeSourceListA(
    LPCSTR** List,
    DWORD Count
);

パラメーター

名前方向説明
ListLPCSTR**inoutSetupQuerySourceListAで取得した配列へのポインタ。解放対象を指定する。
CountDWORDinListの要素数。

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 SetupFreeSourceListA(
    LPCSTR** List,
    DWORD Count
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetupFreeSourceListA(
    IntPtr List,   // LPCSTR** in/out
    uint Count   // DWORD
);
<DllImport("SETUPAPI.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupFreeSourceListA(
    List As IntPtr,   ' LPCSTR** in/out
    Count As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' List : LPCSTR** in/out
' Count : DWORD
Declare PtrSafe Function SetupFreeSourceListA Lib "setupapi" ( _
    ByVal List As LongPtr, _
    ByVal Count 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

SetupFreeSourceListA = ctypes.windll.setupapi.SetupFreeSourceListA
SetupFreeSourceListA.restype = wintypes.BOOL
SetupFreeSourceListA.argtypes = [
    ctypes.c_void_p,  # List : LPCSTR** in/out
    wintypes.DWORD,  # Count : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupFreeSourceListA = Fiddle::Function.new(
  lib['SetupFreeSourceListA'],
  [
    Fiddle::TYPE_VOIDP,  # List : LPCSTR** in/out
    -Fiddle::TYPE_INT,  # Count : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "setupapi")]
extern "system" {
    fn SetupFreeSourceListA(
        List: *const *const *const u8,  // LPCSTR** in/out
        Count: u32  // DWORD
    ) -> 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 SetupFreeSourceListA(IntPtr List, uint Count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupFreeSourceListA' -Namespace Win32 -PassThru
# $api::SetupFreeSourceListA(List, Count)
#uselib "SETUPAPI.dll"
#func global SetupFreeSourceListA "SetupFreeSourceListA" sptr, sptr
; SetupFreeSourceListA varptr(List), Count   ; 戻り値は stat
; List : LPCSTR** in/out -> "sptr"
; Count : DWORD -> "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 SetupFreeSourceListA "SetupFreeSourceListA" var, int
; res = SetupFreeSourceListA(List, Count)
; List : LPCSTR** in/out -> "var"
; Count : DWORD -> "int"
; ※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 SetupFreeSourceListA(LPCSTR** List, DWORD Count)
#uselib "SETUPAPI.dll"
#cfunc global SetupFreeSourceListA "SetupFreeSourceListA" var, int
; res = SetupFreeSourceListA(List, Count)
; List : LPCSTR** in/out -> "var"
; Count : DWORD -> "int"
; ※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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupFreeSourceListA = setupapi.NewProc("SetupFreeSourceListA")
)

// List (LPCSTR** in/out), Count (DWORD)
r1, _, err := procSetupFreeSourceListA.Call(
	uintptr(List),
	uintptr(Count),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function SetupFreeSourceListA(
  List: PPAnsiChar;   // LPCSTR** in/out
  Count: DWORD   // DWORD
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupFreeSourceListA';
result := DllCall("SETUPAPI\SetupFreeSourceListA"
    , "Ptr", List   ; LPCSTR** in/out
    , "UInt", Count   ; DWORD
    , "Int")   ; return: BOOL
●SetupFreeSourceListA(List, Count) = DLL("SETUPAPI.dll", "bool SetupFreeSourceListA(void*, dword)")
# 呼び出し: SetupFreeSourceListA(List, Count)
# List : LPCSTR** in/out -> "void*"
# Count : DWORD -> "dword"
# 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 SetupFreeSourceListA(
    List: [*c][*c][*c]u8, // LPCSTR** in/out
    Count: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
proc SetupFreeSourceListA(
    List: ptr cstring,  # LPCSTR** in/out
    Count: uint32  # DWORD
): int32 {.importc: "SetupFreeSourceListA", stdcall, dynlib: "SETUPAPI.dll".}
pragma(lib, "setupapi");
extern(Windows)
int SetupFreeSourceListA(
    char*** List,   // LPCSTR** in/out
    uint Count   // DWORD
);
ccall((:SetupFreeSourceListA, "SETUPAPI.dll"), stdcall, Int32,
      (Ptr{Ptr{UInt8}}, UInt32),
      List, Count)
# List : LPCSTR** in/out -> Ptr{Ptr{UInt8}}
# Count : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t SetupFreeSourceListA(
    char*** List,
    uint32_t Count);
]]
local setupapi = ffi.load("setupapi")
-- setupapi.SetupFreeSourceListA(List, Count)
-- List : LPCSTR** in/out
-- Count : DWORD
-- 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 SetupFreeSourceListA = lib.func('__stdcall', 'SetupFreeSourceListA', 'int32_t', ['void *', 'uint32_t']);
// SetupFreeSourceListA(List, Count)
// List : LPCSTR** in/out -> 'void *'
// Count : DWORD -> '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", {
  SetupFreeSourceListA: { parameters: ["pointer", "u32"], result: "i32" },
});
// lib.symbols.SetupFreeSourceListA(List, Count)
// List : LPCSTR** in/out -> "pointer"
// Count : DWORD -> "u32"
// 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 SetupFreeSourceListA(
    char*** List,
    uint32_t Count);
C, "SETUPAPI.dll");
// $ffi->SetupFreeSourceListA(List, Count);
// List : LPCSTR** in/out
// Count : DWORD
// 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 SetupFreeSourceListA(
        PointerByReference List,   // LPCSTR** in/out
        int Count   // DWORD
    );
}
@[Link("setupapi")]
lib LibSETUPAPI
  fun SetupFreeSourceListA = SetupFreeSourceListA(
    List : UInt8***,   # LPCSTR** in/out
    Count : UInt32   # DWORD
  ) : 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 SetupFreeSourceListANative = Int32 Function(Pointer<Pointer<Utf8>>, Uint32);
typedef SetupFreeSourceListADart = int Function(Pointer<Pointer<Utf8>>, int);
final SetupFreeSourceListA = DynamicLibrary.open('SETUPAPI.dll')
    .lookupFunction<SetupFreeSourceListANative, SetupFreeSourceListADart>('SetupFreeSourceListA');
// List : LPCSTR** in/out -> Pointer<Pointer<Utf8>>
// Count : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SetupFreeSourceListA(
  List: PPAnsiChar;   // LPCSTR** in/out
  Count: DWORD   // DWORD
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupFreeSourceListA';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetupFreeSourceListA"
  c_SetupFreeSourceListA :: Ptr CString -> Word32 -> IO CInt
-- List : LPCSTR** in/out -> Ptr CString
-- Count : DWORD -> 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 setupfreesourcelista =
  foreign "SetupFreeSourceListA"
    ((ptr string) @-> uint32_t @-> returning int32_t)
(* List : LPCSTR** in/out -> (ptr string) *)
(* Count : DWORD -> 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 ("SetupFreeSourceListA" setup-free-source-list-a :convention :stdcall) :int32
  (list :pointer)   ; LPCSTR** in/out
  (count :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SetupFreeSourceListA = Win32::API::More->new('SETUPAPI',
    'BOOL SetupFreeSourceListA(LPVOID List, DWORD Count)');
# my $ret = $SetupFreeSourceListA->Call($List, $Count);
# List : LPCSTR** in/out -> LPVOID
# Count : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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