X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.cpp;h=c393bc7cdc00adc9a5b0062530e53cfba1a98a02;hp=399802b5e0f754ca0eebded3393344f52bb2e053;hb=76ce6c7ae29059774c36bee27f6e09bfec94b358;hpb=1f1d55ce48ae1dac0f077c60827a41b368b5207a

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index 399802b5..c393bc7c 100644
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -277,7 +277,9 @@ void AnalogSignal::paint_trace(QPainter &p,
 {
 	p.setPen(base_->colour());
 
-	QPointF *points = new QPointF[end - start];
+	const int64_t points_count = end - start;
+
+	QPointF *points = new QPointF[points_count];
 	QPointF *point = points;
 
 	pv::data::SegmentAnalogDataIterator* it =
@@ -292,7 +294,7 @@ void AnalogSignal::paint_trace(QPainter &p,
 	}
 	segment->end_sample_iteration(it);
 
-	p.drawPolyline(points, point - points);
+	p.drawPolyline(points, points_count);
 
 	delete[] points;
 }