Function BytesToBits

cpp/src/arrow/util/bitmap_builders.cc:47–57

}  // namespace

Result<std::shared_ptr<Buffer>> BytesToBits(std::span<const uint8_t> bytes,
                                            MemoryPool* pool) {
  int64_t bit_length = bit_util::BytesForBits(bytes.size());

  ARROW_ASSIGN_OR_RAISE(auto buffer, AllocateBuffer(bit_length, pool));
  uint8_t* out_buf = buffer->mutable_data();
  memset(out_buf, 0, static_cast<size_t>(buffer->capacity()));
  FillBitsFromBytes(bytes, out_buf);
  // R build with openSUSE155 requires an explicit shared_ptr construction
  return std::shared_ptr<Buffer>(std::move(buffer));
}

Result<std::shared_ptr<Buffer>> BitmapAllButOne(MemoryPool* pool, int64_t length,
                                                int64_t straggler_pos, bool value) {