From 0e1ca7a8e127d9d30dc992efcdcb8d7667939048 Mon Sep 17 00:00:00 2001
From: Markus Pesch <markus.pesch@cryptic.systems>
Date: Wed, 24 Jul 2019 17:18:56 +0200
Subject: [PATCH] fix(pkg/cli): nil pointer exeption - print empty string
 instead throw exeption

---
 pkg/cli/cli.go | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/pkg/cli/cli.go b/pkg/cli/cli.go
index 29485e8..8f54a14 100644
--- a/pkg/cli/cli.go
+++ b/pkg/cli/cli.go
@@ -69,10 +69,36 @@ func PrintSensors(cnf *config.Configuration, w io.Writer) error {
 	// declar tabwriter
 	tw := tabwriter.NewWriter(w, 0, 0, 3, ' ', 0)
 
-	fmt.Fprint(tw, "name\tlocation\ttype\twire-id\tgpio\tenabled\n")
+	fmt.Fprint(tw, "name\tlocation\ttype\twire-id\ti2c-bus\ti2c-address\tgpio\tenabled\n")
 
 	for _, sensor := range cnf.Sensors {
-		fmt.Fprintf(tw, "%v\t%v\t%v\t%v\t%v\t%v\n", sensor.SensorName, sensor.SensorLocation, sensor.SensorModel, *sensor.WireID, *sensor.GPIONumber, sensor.SensorEnabled)
+		fmt.Fprintf(tw, "%v\t%v\t%v\t", sensor.SensorName, sensor.SensorLocation, sensor.SensorModel)
+
+		if sensor.WireID != nil {
+			fmt.Fprintf(tw, "%v\t", *sensor.WireID)
+		} else {
+			fmt.Fprintf(tw, "\t")
+		}
+
+		if sensor.I2CBus != nil {
+			fmt.Fprintf(tw, "%v\t", *sensor.I2CBus)
+		} else {
+			fmt.Fprintf(tw, "\t")
+		}
+
+		if sensor.I2CAddress != nil {
+			fmt.Fprintf(tw, "%v\t", *sensor.I2CAddress)
+		} else {
+			fmt.Fprintf(tw, "\t")
+		}
+
+		if sensor.GPIONumber != nil {
+			fmt.Fprintf(tw, "%v\t", *sensor.GPIONumber)
+		} else {
+			fmt.Fprintf(tw, "\t")
+		}
+
+		fmt.Fprintf(tw, "%v\n", sensor.SensorEnabled)
 	}
 
 	tw.Flush()