static void createShadowTopicString()

in source/shadow.c [705:760]
44 lines of code
2 McCabe index (conditional complexity)

static void createShadowTopicString( ShadowTopicStringType_t topicType,
                                     const char * pThingName,
                                     uint8_t thingNameLength,
                                     const char * pShadowName,
                                     uint8_t shadowNameLength,
                                     char * pTopicBuffer )
{
    uint16_t offset = 0U, operationStringLength = 0U;
    const char * pShadowPrefix = SHADOW_PREFIX;
    const char * pOperationString = NULL;
    const char * pClassicShadowRoot = SHADOW_CLASSIC_ROOT;
    const char * pNamedShadowRoot = SHADOW_NAMED_ROOT;

    /* Copy the Shadow topic prefix into the topic buffer. */
    ( void ) memcpy( ( void * ) pTopicBuffer,
                     ( const void * ) pShadowPrefix,
                     ( size_t ) SHADOW_PREFIX_LENGTH );
    offset = ( uint16_t ) ( offset + SHADOW_PREFIX_LENGTH );

    /* Copy the Thing Name into the topic buffer. */
    ( void ) memcpy( ( void * ) &( pTopicBuffer[ offset ] ),
                     ( const void * ) pThingName,
                     ( size_t ) thingNameLength );
    offset = ( uint16_t ) ( offset + thingNameLength );

    /* Are we assembling a named shadow? */
    if( shadowNameLength > 0U )
    {
        /* Copy the named Shadow topic root into the topic buffer. */
        ( void ) memcpy( ( void * ) &( pTopicBuffer[ offset ] ),
                         ( const void * ) pNamedShadowRoot,
                         ( size_t ) SHADOW_NAMED_ROOT_LENGTH );
        offset = ( uint16_t ) ( offset + SHADOW_NAMED_ROOT_LENGTH );

        /* Copy the Shadow Name into the topic buffer. */
        ( void ) memcpy( ( void * ) &( pTopicBuffer[ offset ] ),
                         ( const void * ) pShadowName,
                         ( size_t ) shadowNameLength );
        offset = ( uint16_t ) ( offset + shadowNameLength );
    }
    else
    {
        /* Copy the Classic Shadow topic root into the topic buffer. */
        ( void ) memcpy( ( void * ) &( pTopicBuffer[ offset ] ),
                         ( const void * ) pClassicShadowRoot,
                         ( size_t ) SHADOW_CLASSIC_ROOT_LENGTH );
        offset = ( uint16_t ) ( offset + SHADOW_CLASSIC_ROOT_LENGTH );
    }

    pOperationString = getShadowOperationString( topicType );
    operationStringLength = getShadowOperationLength( topicType );
    /* Copy the Shadow operation string into the topic buffer. */
    ( void ) memcpy( ( void * ) &( pTopicBuffer[ offset ] ),
                     ( const void * ) pOperationString,
                     ( size_t ) operationStringLength );
}