static int cloneMqttOptions()

in src/mqtt_client.c [537:638]
101 lines of code
21 McCabe index (conditional complexity)

static int cloneMqttOptions(MQTT_CLIENT* mqtt_client, const MQTT_CLIENT_OPTIONS* mqttOptions)
{
    int result = 0;
    char* temp_option;

    if (mqttOptions->clientId != NULL)
    {
        if (mallocAndStrcpy_s(&temp_option, mqttOptions->clientId) != 0)
        {
            result = MU_FAILURE;
            LogError("mallocAndStrcpy_s clientId");
        }
        else
        {
            if (mqtt_client->mqttOptions.clientId != NULL)
            {
                free(mqtt_client->mqttOptions.clientId);
            }
            mqtt_client->mqttOptions.clientId = temp_option;
        }
    }
    if (result == 0 && mqttOptions->willTopic != NULL)
    {
        temp_option = NULL;
        if (mallocAndStrcpy_s(&temp_option, mqttOptions->willTopic) != 0)
        {
            result = MU_FAILURE;
            LogError("mallocAndStrcpy_s willTopic");
        }
        else
        {
            if (mqtt_client->mqttOptions.willTopic != NULL)
            {
                free(mqtt_client->mqttOptions.willTopic);
            }
            mqtt_client->mqttOptions.willTopic = temp_option;
        }
    }
    if (result == 0 && mqttOptions->willMessage != NULL)
    {
        temp_option = NULL;
        if (mallocAndStrcpy_s(&temp_option, mqttOptions->willMessage) != 0)
        {
            LogError("mallocAndStrcpy_s willMessage");
            result = MU_FAILURE;
        }
        else
        {
            if (mqtt_client->mqttOptions.willMessage != NULL)
            {
                free(mqtt_client->mqttOptions.willMessage);
            }
            mqtt_client->mqttOptions.willMessage = temp_option;
        }
    }
    if (result == 0 && mqttOptions->username != NULL)
    {
        temp_option = NULL;
        if (mallocAndStrcpy_s(&temp_option, mqttOptions->username) != 0)
        {
            LogError("mallocAndStrcpy_s username");
            result = MU_FAILURE;
        }
        else
        {
            if (mqtt_client->mqttOptions.username != NULL)
            {
                free(mqtt_client->mqttOptions.username);
            }
            mqtt_client->mqttOptions.username = temp_option;
        }
    }
    if (result == 0 && mqttOptions->password != NULL)
    {
        temp_option = NULL;
        if (mallocAndStrcpy_s(&temp_option, mqttOptions->password) != 0)
        {
            LogError("mallocAndStrcpy_s password");
            result = MU_FAILURE;
        }
        else
        {
            if (mqtt_client->mqttOptions.password != NULL)
            {
                free(mqtt_client->mqttOptions.password);
            }
            mqtt_client->mqttOptions.password = temp_option;
        }
    }
    if (result == 0)
    {
        mqtt_client->mqttOptions.keepAliveInterval = mqttOptions->keepAliveInterval;
        mqtt_client->mqttOptions.messageRetain = mqttOptions->messageRetain;
        mqtt_client->mqttOptions.useCleanSession = mqttOptions->useCleanSession;
        mqtt_client->mqttOptions.qualityOfServiceValue = mqttOptions->qualityOfServiceValue;
    }
    else
    {
        clear_mqtt_options(mqtt_client);
    }
    return result;
}