// Copyright 2022 Google LLC // // 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. #ifndef FUZZTEST_FUZZTEST_INTERNAL_LOGGING_H_ #define FUZZTEST_FUZZTEST_INTERNAL_LOGGING_H_ #include <cstdio> #include <string> #include "absl/strings/str_cat.h" namespace fuzztest::internal { // Returns the current FILE pointing to the original stderr. FILE* GetStderr(); // Silences all output sent to stdout and stderr, except the fuzzer's own log. // Fuzzer should log to GetStderr(). void SilenceTargetStdoutAndStderr(); // Revive the silenced stdout and stderr of target. // Also redirect GetStderr() to stderr. void RestoreTargetStdoutAndStderr(); // Check if FUZZTEST_SILENCE_TARGET env set. bool IsSilenceTargetEnabled(); [[noreturn]] void Abort(const char* file, int line, const std::string& message); #define FUZZTEST_INTERNAL_CHECK_PRECONDITION(P, ...) … #define FUZZTEST_INTERNAL_CHECK(cond, ...) … // This Abort function will inject `message` into the signal handler's output // along with the file, line and test name of the currently running test. // Meant for failures related to test setup and not the code under test itself. [[noreturn]] void AbortInTest(const std::string& message); extern const std::string* volatile test_abort_message; } // namespace fuzztest::internal #endif // FUZZTEST_FUZZTEST_INTERNAL_LOGGING_H_