size_t Jobs_UpdateMsg()

in source/jobs.c [882:919]

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

size_t Jobs_UpdateMsg( JobsUpdateRequest_t request,
                       char * buffer,
                       size_t bufferSize )
{
    assert( ( ( size_t ) request.status ) < ARRAY_LENGTH( jobStatusString ) );

    size_t start = 0U;
    size_t minimumBufferSize = getRequiredFieldsLength( request ) + getOptionalFieldsLength( request );
    bool writeFailed = ( bufferSize < minimumBufferSize ) || !areOptionalFieldsValid( request );

    if( !writeFailed )
    {
        ( void ) strnAppend( buffer, &start, bufferSize, JOBS_API_STATUS, JOBS_API_STATUS_LENGTH );
        ( void ) strnAppend( buffer, &start, bufferSize, jobStatusString[ request.status ], strlen( jobStatusString[ request.status ] ) );

        /* This is an optional field so do not fail if expected version is missing.*/
        if( ( request.expectedVersion != NULL ) && ( request.expectedVersionLength > 0U ) )
        {
            ( void ) strnAppend( buffer, &start, bufferSize, JOBS_API_EXPECTED_VERSION, JOBS_API_EXPECTED_VERSION_LENGTH );
            ( void ) strnAppend( buffer, &start, bufferSize, request.expectedVersion, request.expectedVersionLength );
        }

        /* This is an optional field so do not fail if status details is missing.*/
        if( ( request.statusDetails != NULL ) && ( request.statusDetailsLength > 0U ) )
        {
            ( void ) strnAppend( buffer, &start, bufferSize, JOBS_API_STATUS_DETAILS, JOBS_API_STATUS_DETAILS_LENGTH );
            ( void ) strnAppend( buffer, &start, bufferSize, request.statusDetails, request.statusDetailsLength );

            ( void ) strnAppend( buffer, &start, bufferSize, "}", ( CONST_STRLEN( "}" ) ) );
        }
        else
        {
            ( void ) strnAppend( buffer, &start, bufferSize, "\"}", ( CONST_STRLEN( "\"}" ) ) );
        }
    }

    return start;
}