platform_bionic/tests/sys_ioctl_diag_test.cpp

36 lines
1.1 KiB
C++
Raw Normal View History

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This file makes uses of clang's built-in diagnostic checker.
// While not officially supported by clang, it's used by clang for all of its
// own diagnostic tests. Please see
// https://clang.llvm.org/doxygen/classclang_1_1VerifyDiagnosticConsumer.html#details
// for details.
// expected-no-diagnostics
#include <sys/ioctl.h>
#pragma clang diagnostic warning "-Wsign-conversion"
void check_no_signedness_warnings(int i, unsigned x) {
ioctl(i, i);
ioctl(i, x);
ioctl(i, i, nullptr);
ioctl(i, x, nullptr);
}