         var totalSize = 0
         for i in 0..<bufferLen {
             if buffer[i] == CRLFBytes[k] {
-                k++
+                k += 1
                 if k == 3 {
                     totalSize = i + 1
                     break

            }
            if let response = response {
                response.bytesLeft -= Int(len)
                response.frameCount++
                response.isFin = isFin > 0 ? true : false
                if isNew {
                    readStack.append(response)

                for serverCert in serverCerts {
                    for cert in certs {
                        if cert == serverCert {
                            trustedCount += 1
                            break
                        }
                    }
