61     return std::min<std::size_t>(length_ - frame_, size_ - (start_ + frame_));  in FrameLength()
77     if (static_cast<std::int64_t>(start_ + frame_ + bytes) > size_) {  in ReadFrame()
84       RUNTIME_CHECK(handler, next < size_);  in ReadFrame()
86       auto maxBytes{size_ - next};  in ReadFrame()
90       RUNTIME_CHECK(handler, length_ <= size_);  in ReadFrame()
101     } else if (start_ + newFrame + static_cast<std::int64_t>(bytes) > size_) {  in WriteFrame()
117             std::min<std::size_t>(length_ - keep, size_ - start_)};
144     if (bytes > size_) {  in Reallocate()
146       auto oldSize{size_};  in Reallocate()
147       size_ = std::max<std::int64_t>(bytes, size_ + minBuffer);  in Reallocate()
149           reinterpret_cast<char *>(AllocateMemoryOrCrash(terminator, size_));  in Reallocate()
171       if (start_ >= size_) {  in DiscardLeadingBytes()
172         start_ -= size_;  in DiscardLeadingBytes()
184     if (static_cast<std::int64_t>(start_ + bytes) > size_) {  in MakeDataContiguous()
187       RUNTIME_CHECK(handler, length_ < size_);  in MakeDataContiguous()
188       if (start_ + length_ <= size_) {  in MakeDataContiguous()
193         auto n{start_ + length_ - size_}; // 3 for cde  in MakeDataContiguous()
203   std::int64_t size_{0}; // current allocated buffer size