| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| |
| // Test for implicit-integer-sign-change. |
| #include <assert.h> |
| #include <climits> |
| #include <cstddef> |
| #include <cstdint> |
| #include <cstdlib> |
| #include <iostream> |
| |
| static volatile uint32_t Sink; |
| static volatile int32_t Storage = -1; |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
| assert(Data); |
| if (Size > 0 && Data[0] == 'H') { |
| Sink = 1; |
| if (Size > 1 && Data[1] == 'i') { |
| Sink = 2; |
| if (Size > 2 && Data[2] == '!') { |
| Sink = Storage; // 'sign change'. |
| } |
| } |
| } |
| return 0; |
| } |
