| 1 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|---|
| 2 | // See https://llvm.org/LICENSE.txt for license information. |
| 3 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 4 | |
| 5 | // Test for implicit-integer-sign-change. |
| 6 | #include <assert.h> |
| 7 | #include <climits> |
| 8 | #include <cstddef> |
| 9 | #include <cstdint> |
| 10 | #include <cstdlib> |
| 11 | #include <iostream> |
| 12 | |
| 13 | static volatile uint32_t Sink; |
| 14 | static volatile int32_t Storage = -1; |
| 15 | |
| 16 | extern "C"int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
| 17 | assert(Data); |
| 18 | if (Size > 0 && Data[0] == 'H') { |
| 19 | Sink = 1; |
| 20 | if (Size > 1 && Data[1] == 'i') { |
| 21 | Sink = 2; |
| 22 | if (Size > 2 && Data[2] == '!') { |
| 23 | Sink = Storage; // 'sign change'. |
| 24 | } |
| 25 | } |
| 26 | } |
| 27 | return 0; |
| 28 | } |
| 29 |