absl/random/seed_gen_exception.cc

// Copyright 2017 The Abseil 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.

#include "absl/random/seed_gen_exception.h"

#include <iostream>

#include "absl/base/config.h"

namespace absl {
inline namespace lts_2019_08_08 {

static constexpr const char kExceptionMessage[] =
    "Failed generating seed-material for URBG.";

SeedGenException::~SeedGenException() = default;

const char* SeedGenException::what() const noexcept {
  return kExceptionMessage;
}

namespace random_internal {

void ThrowSeedGenException() {
#ifdef ABSL_HAVE_EXCEPTIONS
  throw absl::SeedGenException();
#else
  std::cerr << kExceptionMessage << std::endl;
  std::terminate();
#endif
}

}  // namespace random_internal
}  // inline namespace lts_2019_08_08
}  // namespace absl