blob: 04c20cbd2458e5806d426f48027a742bc7b18b52 [file] [log] [blame]
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Sample illustrating manual resource management, not advised.
import 'dart:ffi';
import 'package:expect/expect.dart';
import 'package:ffi/ffi.dart';
import 'utf8_helpers.dart';
import '../calloc.dart';
import '../dylib_utils.dart';
main() {
final ffiTestDynamicLibrary =
final memMove = ffiTestDynamicLibrary.lookupFunction<
Void Function(Pointer<Void>, Pointer<Void>, IntPtr),
void Function(Pointer<Void>, Pointer<Void>, int)>("MemMove");
// To ensure resources are freed, call free manually.
// For automatic management use a Pool.
final p = calloc<Int64>(2);
p[0] = 24;
memMove(p.elementAt(1).cast<Void>(), p.cast<Void>(), sizeOf<Int64>());
Expect.equals(24, p[1]);;
// Using Strings.
final p2 = "Hello world!".toUtf8(calloc);