text: /*
   * Copyright (c) 2018, JANET(UK)
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * 3. Neither the name of JANET(UK) nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  
  /* Utilities for working with JSON/jansson */
  
  #ifndef TRUST_ROUTER_TR_JSON_UTIL_H
  #define TRUST_ROUTER_TR_JSON_UTIL_H
  
  /**
   * @def OBJECT_SET_OR_FAIL(job, key, val)
   * Add a key/value pair to an object or jump to the cleanup label
   * if the value is null.
   *
   * @param jobj JSON object instance to receive the key/value pair
   * @param key key to set
   * @param val value to set
   */
  #define OBJECT_SET_OR_FAIL(jobj, key, val)     \
  do {                                           \
    if (val)                                     \
      json_object_set_new((jobj),(key),(val));   \
    else                                         \
      goto cleanup;                              \
  } while (0)
  
  /**
   * @def OBJECT_SET_OR_SKIP(job, key, val)
   * Add a key/value pair to an object only if it is non-null.
   *
   * @param jobj JSON object instance to receive the key/value pair
   * @param key key to set
   * @param val value to set
   */
  #define OBJECT_SET_OR_SKIP(jobj, key, val)     \
  do {                                           \
    if (val)                                     \
      json_object_set_new((jobj),(key),(val));   \
  } while (0)
  
  
  /**
   * @def ARRAY_APPEND_OR_FAIL(job, key, val)
   * Append a value to an array or jump to the cleanup label
   * if the value is null.
   *
   * @param jobj JSON array instance to receive the value
   * @param val value to set
   */
  #define ARRAY_APPEND_OR_FAIL(jary, val)        \
  do {                                           \
    if (val)                                     \
      json_array_append_new((jary),(val));       \
    else                                         \
      goto cleanup;                              \
  } while (0)
  
  
  #endif //TRUST_ROUTER_TR_JSON_UTIL_H
  