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ef2fd96213
Change-Id: I6909ccbbdd3e2a7e9ef403155f3ce0a41d5c173f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/309680 Reviewed-by: Daco Harkes <dacoharkes@google.com> Reviewed-by: Alexander Thomas <athom@google.com> Commit-Queue: Alexander Thomas <athom@google.com>
33 lines
1.1 KiB
Dart
33 lines
1.1 KiB
Dart
// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:ffi';
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import 'dart:io';
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import 'package:ffi/ffi.dart';
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void main() {
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if (Platform.isWindows || Platform.isAndroid) {
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// printf is not linked in.
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return;
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}
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using((arena) {
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printf('Something\n'.toNativeUtf8(allocator: arena));
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printfInt32('Something %i\n'.toNativeUtf8(allocator: arena), 32);
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printfInt32x2('Something %i %i\n'.toNativeUtf8(allocator: arena), 32, 64);
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});
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}
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final printf = DynamicLibrary.executable().lookupFunction<
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Void Function(Pointer<Utf8>, VarArgs<()>),
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void Function(Pointer<Utf8>)>('printf');
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final printfInt32 = DynamicLibrary.executable().lookupFunction<
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Void Function(Pointer<Utf8>, VarArgs<(Int32,)>),
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void Function(Pointer<Utf8>, int)>('printf');
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final printfInt32x2 = DynamicLibrary.executable().lookupFunction<
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Void Function(Pointer<Utf8>, VarArgs<(Int32, Int32)>),
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void Function(Pointer<Utf8>, int, int)>('printf');
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