Fix: empty data point container shall return 0 for getLastUpdate()

schlimmchen · schlimmchen · commit 023f03f844d1 · 2025-03-21T20:34:28.000+01:00
diff --git a/include/DataPoints.h b/include/DataPoints.h
@@ -140,6 +140,8 @@ class DataPointContainer {
         {
             auto scopedLock = lock();
 
+            if (_dataPoints.empty()) { return 0; }
+
             uint32_t now = millis();
             uint32_t diff = std::numeric_limits<uint32_t>::max()/2;
             for (auto iter = _dataPoints.cbegin(); iter != _dataPoints.cend(); ++iter) {

Original file line number	Diff line number	Diff line change
`@@ -140,6 +140,8 @@ class DataPointContainer {`
`140`	`140`	`{`
`141`	`141`	`auto scopedLock = lock();`
`142`	`142`
	`143`	`+ if (_dataPoints.empty()) { return 0; }`
	`144`	`+`
`143`	`145`	`uint32_t now = millis();`
`144`	`146`	`uint32_t diff = std::numeric_limits<uint32_t>::max()/2;`
`145`	`147`	`for (auto iter = _dataPoints.cbegin(); iter != _dataPoints.cend(); ++iter) {`