| // 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. |
| |
| #include "./centipede/knobs.h" |
| |
| #include <string_view> |
| |
| namespace centipede { |
| size_t Knobs::next_id_ = 0; |
| std::string_view Knobs::knob_names_[kNumKnobs]; |
| |
| KnobId Knobs::NewId(std::string_view knob_name) { |
| if (next_id_ >= kNumKnobs) { |
| // If we've run out of IDs, log using stderr (don't use extra deps). |
| fprintf(stderr, "Knobs::NewId: no more IDs left, aborting\n"); |
| __builtin_trap(); |
| } |
| knob_names_[next_id_] = knob_name; |
| return next_id_++; |
| } |
| } // namespace centipede |