Method ValidateBuffer

cpp/src/gandiva/selection_vector.cc:168–178

template <typename C_TYPE, typename A_TYPE, SelectionVector::Mode mode>
Status SelectionVectorImpl<C_TYPE, A_TYPE, mode>::ValidateBuffer(
    int64_t max_slots, std::shared_ptr<arrow::Buffer> buffer) {
  ARROW_RETURN_IF(!buffer->is_mutable(),
                  Status::Invalid("buffer for selection vector must be mutable"));

  const int64_t min_len = max_slots * sizeof(C_TYPE);
  ARROW_RETURN_IF(buffer->size() < min_len,
                  Status::Invalid("Buffer for selection vector is too small"));

  return Status::OK();
}

}  // namespace gandiva