text: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you 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
  //
  //   http://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.
  
  #pragma once
  
  #include <cstdint>
  
  #include "arrow/util/visibility.h"
  
  namespace arrow {
  namespace ipc {
  
  // ARROW-109: We set this number arbitrarily to help catch user mistakes. For
  // deeply nested schemas, it is expected the user will indicate explicitly the
  // maximum allowed recursion depth
  constexpr int kMaxNestingDepth = 64;
  
  struct ARROW_EXPORT IpcOptions {
    // If true, allow field lengths that don't fit in a signed 32-bit int.
    // Some implementations may not be able to parse such streams.
    bool allow_64bit = false;
    // The maximum permitted schema nesting depth.
    int max_recursion_depth = kMaxNestingDepth;
  
    // Write padding after memory buffers to this multiple of
    // bytes. Generally 8 or 64
    int32_t alignment = 8;
  
    /// \brief Write the pre-0.15.0 encapsulated IPC message format
    /// consisting of a 4-byte prefix instead of 8 byte
    bool write_legacy_ipc_format = false;
  
    static IpcOptions Defaults();
  };
  
  }  // namespace ipc
  }  // namespace arrow
  