void SubscriptionManager_RemoveSubscription()

in components/mqtt-subscription-manager/source/mqtt_subscription_manager.c [101:130]

• 29 lines of code
• 7 McCabe index (conditional complexity)

void SubscriptionManager_RemoveSubscription( SubscriptionElement_t * pxSubscriptionList,
                                             const char * pcTopicFilterString,
                                             uint16_t usTopicFilterLength )
{
    int32_t lIndex = 0;

    if( ( pxSubscriptionList == NULL ) ||
        ( pcTopicFilterString == NULL ) ||
        ( usTopicFilterLength == 0U ) )
    {
        LogError( ( "Invalid parameter. pxSubscriptionList=%p, pcTopicFilterString=%p,"
                    " usTopicFilterLength=%u.",
                    pxSubscriptionList,
                    pcTopicFilterString,
                    ( unsigned int ) usTopicFilterLength ) );
    }
    else
    {
        for( lIndex = 0; lIndex < SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS; lIndex++ )
        {
            if( pxSubscriptionList[ lIndex ].usFilterStringLength == usTopicFilterLength )
            {
                if( strncmp( pxSubscriptionList[ lIndex ].pcSubscriptionFilterString, pcTopicFilterString, usTopicFilterLength ) == 0 )
                {
                    memset( &( pxSubscriptionList[ lIndex ] ), 0x00, sizeof( SubscriptionElement_t ) );
                }
            }
        }
    }
}