| /* |
| * 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); |
| } |