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 "TLVEncoder.h"
  #include "TLVDecoder.h"
  #include "SecurityModeReject.h"
  
  int decode_security_mode_reject(
      security_mode_reject_msg* security_mode_reject, 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, SECURITY_MODE_REJECT_MINIMUM_LENGTH, len);
  
    /*
     * Decoding mandatory fields
     */
    if ((decoded_result = decode_emm_cause(
             &security_mode_reject->emmcause, 0, buffer + decoded,
             len - decoded)) < 0)
      return decoded_result;
    else
      decoded += decoded_result;
  
    return decoded;
  }
  
  int encode_security_mode_reject(
      security_mode_reject_msg* security_mode_reject, uint8_t* buffer,
      uint32_t len) {
    int encoded       = 0;
    int encode_result = 0;
  
    /*
     * Checking IEI and pointer
     */
    CHECK_PDU_POINTER_AND_LENGTH_ENCODER(
        buffer, SECURITY_MODE_REJECT_MINIMUM_LENGTH, len);
  
    if ((encode_result = encode_emm_cause(
             &security_mode_reject->emmcause, 0, buffer + encoded,
             len - encoded)) < 0)  // Return in case of error
      return encode_result;
    else
      encoded += encode_result;
  
    return encoded;
  }
  