blob: ee0f49da2b96c687b07053f6984bd66497d4e531 [file] [log] [blame] [edit]
// Copyright (c) 2023, 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.
import 'dart:ffi';
import 'dart:io';
import 'package:ffi/ffi.dart';
void main() {
if (Platform.isWindows || Platform.isAndroid) {
// printf is not linked in.
return;
}
using((arena) {
printf('Something\n'.toNativeUtf8(allocator: arena));
printfInt32('Something %i\n'.toNativeUtf8(allocator: arena), 32);
printfInt32x2('Something %i %i\n'.toNativeUtf8(allocator: arena), 32, 64);
});
}
final printf = DynamicLibrary.executable().lookupFunction<
Void Function(Pointer<Utf8>, VarArgs<()>),
void Function(Pointer<Utf8>)
>('printf');
final printfInt32 = DynamicLibrary.executable().lookupFunction<
Void Function(Pointer<Utf8>, VarArgs<(Int32,)>),
void Function(Pointer<Utf8>, int)
>('printf');
final printfInt32x2 = DynamicLibrary.executable().lookupFunction<
Void Function(Pointer<Utf8>, VarArgs<(Int32, Int32)>),
void Function(Pointer<Utf8>, int, int)
>('printf');