Method Flush

cpp/src/arrow/util/bit_stream_utils_internal.h:227–238

}

inline void BitWriter::Flush(bool align) {
  int num_bytes = static_cast<int>(bit_util::BytesForBits(bit_offset_));
  ARROW_DCHECK_LE(byte_offset_ + num_bytes, max_bytes_);
  auto buffered_values = arrow::bit_util::ToLittleEndian(buffered_values_);
  memcpy(buffer_ + byte_offset_, &buffered_values, num_bytes);

  if (align) {
    buffered_values_ = 0;
    byte_offset_ += num_bytes;
    bit_offset_ = 0;
  }
}

inline uint8_t* BitWriter::GetNextBytePtr(int num_bytes) {
  Flush(/* align */ true);