| // Copyright 2022 The Centipede Authors. |
| // |
| // 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 |
| // |
| // https://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. |
| |
| // Centipede puzzle: one 3-byte memcmp. Check the output in the log. |
| // Disable use_auto_dictionary so that we test other functionality. |
| // RUN: Run --use_auto_dictionary=false && SolutionIs fUz |
| // RUN: ExpectInLog "TEXT IN STDOUT" |
| // RUN: ExpectInLog "TEXT IN STDERR" |
| |
| #include <cstdint> |
| #include <cstdio> |
| #include <cstdlib> |
| #include <cstring> |
| |
| auto volatile memcmp_no_inline = &memcmp; |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { |
| if (size == 3 && memcmp_no_inline(data, "fUz", 3) == 0) { |
| printf("TEXT IN STDOUT\n"); |
| // abort() does not flush stdout, so if we don't flush it, the output |
| // may be lost after abort(). |
| fflush(stdout); |
| fprintf(stderr, "TEXT IN STDERR\n"); |
| abort(); |
| } |
| return 0; |
| } |