| // Copyright 2024 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. | |
| namespace absl { | |
| ABSL_NAMESPACE_BEGIN | |
| namespace debugging_internal { | |
| struct Utf8ForCodePoint { | |
| // Converts a Unicode code point to the corresponding UTF-8 byte sequence. | |
| // Async-signal-safe to support use in symbolizing stack traces from a signal | |
| // handler. | |
| explicit Utf8ForCodePoint(uint64_t code_point); | |
| // Returns true if the constructor's code_point argument was valid. | |
| bool ok() const { return length != 0; } | |
| // If code_point was in range, then 1 <= length <= 4, and the UTF-8 encoding | |
| // is found in bytes[0 .. (length - 1)]. If code_point was invalid, then | |
| // length == 0. In either case, the contents of bytes[length .. 3] are | |
| // unspecified. | |
| char bytes[4] = {}; | |
| uint32_t length = 0; | |
| }; | |
| } // namespace debugging_internal | |
| ABSL_NAMESPACE_END | |
| } // namespace absl | |