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// 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.
#ifndef ABSL_DEBUGGING_INTERNAL_UTF8_FOR_CODE_POINT_H_
#define ABSL_DEBUGGING_INTERNAL_UTF8_FOR_CODE_POINT_H_
#include <cstdint>
#include "absl/base/config.h"
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
#endif // ABSL_DEBUGGING_INTERNAL_UTF8_FOR_CODE_POINT_H_
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