text: /*
   * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The OpenAirInterface Software Alliance licenses this file to You under
   * the terms found in the LICENSE file in the root of this source tree.
   *
   * 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.
   *-------------------------------------------------------------------------------
   * For more information about the OpenAirInterface (OAI) Software Alliance:
   *      contact@openairinterface.org
   */
  
  #include <stdint.h>
  
  #include "lte/gateway/c/core/oai/common/TLVEncoder.h"
  #include "lte/gateway/c/core/oai/common/TLVDecoder.h"
  #include "lte/gateway/c/core/oai/tasks/nas/emm/msg/UplinkNasTransport.h"
  
  int decode_uplink_nas_transport(
      uplink_nas_transport_msg* uplink_nas_transport, uint8_t* buffer,
      uint32_t len) {
    uint32_t decoded   = 0;
    int decoded_result = 0;
  
    // Check if we got a NULL pointer and if buffer length is >= minimum length
    // expected for the message.
    CHECK_PDU_POINTER_AND_LENGTH_DECODER(
        buffer, UPLINK_NAS_TRANSPORT_MINIMUM_LENGTH, len);
  
    /*
     * Decoding mandatory fields
     */
    if ((decoded_result = decode_nas_message_container(
             &uplink_nas_transport->nasmessagecontainer, 0, buffer + decoded,
             len - decoded)) < 0)
      return decoded_result;
    else
      decoded += decoded_result;
  
    return decoded;
  }
  
  int encode_uplink_nas_transport(
      uplink_nas_transport_msg* uplink_nas_transport, uint8_t* buffer,
      uint32_t len) {
    int encoded       = 0;
    int encode_result = 0;
  
    /*
     * Checking IEI and pointer
     */
    CHECK_PDU_POINTER_AND_LENGTH_ENCODER(
        buffer, UPLINK_NAS_TRANSPORT_MINIMUM_LENGTH, len);
  
    if ((encode_result = encode_nas_message_container(
             uplink_nas_transport->nasmessagecontainer, 0, buffer + encoded,
             len - encoded)) < 0)  // Return in case of error
      return encode_result;
    else
      encoded += encode_result;
  
    return encoded;
  }
  