C++ (Cpp) RCUTILS_CHECK_ARGUMENT_FOR_NULL 예제들

예제 #1

파일: rmw_node.cpp 프로젝트: eProsima/ROS-RMW-Fast-RTPS-cpp

rmw_node_t *
rmw_create_node(
  rmw_context_t * context,
  const char * name,
  const char * namespace_,
  size_t domain_id,
  const rmw_node_security_options_t * security_options)
{
  RCUTILS_CHECK_ARGUMENT_FOR_NULL(context, NULL);
  RMW_CHECK_TYPE_IDENTIFIERS_MATCH(
    init context,
    context->implementation_identifier,
    eprosima_fastrtps_identifier,
    // TODO(wjwwood): replace this with RMW_RET_INCORRECT_RMW_IMPLEMENTATION when refactored
    return NULL);
  return rmw_fastrtps_shared_cpp::__rmw_create_node(
    eprosima_fastrtps_identifier, name, namespace_, domain_id, security_options);
}

예제 #2

파일: wait_set.cpp 프로젝트: ros2/rmw_connext

rmw_wait_set_t *
create_wait_set(
  const char * implementation_identifier,
  rmw_context_t * context,
  size_t max_conditions)
{
  RCUTILS_CHECK_ARGUMENT_FOR_NULL(context, NULL);
  RMW_CHECK_TYPE_IDENTIFIERS_MATCH(
    init context,
    context->implementation_identifier,
    implementation_identifier,
    // TODO(wjwwood): replace this with RMW_RET_INCORRECT_RMW_IMPLEMENTATION when refactored
    return nullptr);

  rmw_wait_set_t * wait_set = rmw_wait_set_allocate();

  ConnextWaitSetInfo * wait_set_info = nullptr;

  // From here onward, error results in unrolling in the goto fail block.
  if (!wait_set) {
    RMW_SET_ERROR_MSG("failed to allocate wait set");
    goto fail;
  }
  wait_set->implementation_identifier = implementation_identifier;
  wait_set->data = rmw_allocate(sizeof(ConnextWaitSetInfo));
  wait_set_info = static_cast<ConnextWaitSetInfo *>(wait_set->data);

  if (!wait_set_info) {
    RMW_SET_ERROR_MSG("failed to allocate wait set");
    goto fail;
  }

  wait_set_info->wait_set = static_cast<DDS::WaitSet *>(rmw_allocate(sizeof(DDS::WaitSet)));
  if (!wait_set_info->wait_set) {
    RMW_SET_ERROR_MSG("failed to allocate wait set");
    goto fail;
  }

  RMW_TRY_PLACEMENT_NEW(
    wait_set_info->wait_set, wait_set_info->wait_set, goto fail, DDS::WaitSet, )

  // Now allocate storage for the ConditionSeq objects
  wait_set_info->active_conditions =
    static_cast<DDS::ConditionSeq *>(rmw_allocate(sizeof(DDS::ConditionSeq)));
  if (!wait_set_info->active_conditions) {
    RMW_SET_ERROR_MSG("failed to allocate active_conditions sequence");
    goto fail;
  }

  wait_set_info->attached_conditions =
    static_cast<DDS::ConditionSeq *>(rmw_allocate(sizeof(DDS::ConditionSeq)));
  if (!wait_set_info->attached_conditions) {
    RMW_SET_ERROR_MSG("failed to allocate attached_conditions sequence");
    goto fail;
  }

  // If max_conditions is greater than zero, re-allocate both ConditionSeqs to max_conditions
  if (max_conditions > 0) {
    RMW_TRY_PLACEMENT_NEW(
      wait_set_info->active_conditions, wait_set_info->active_conditions, goto fail,
      DDS::ConditionSeq, static_cast<DDS::Long>(max_conditions))

    RMW_TRY_PLACEMENT_NEW(
      wait_set_info->attached_conditions, wait_set_info->attached_conditions, goto fail,
      DDS::ConditionSeq,
      static_cast<DDS::Long>(max_conditions))
  } else {