From: Soeren Apel <redacted>
Date: Fri, 10 Feb 2017 19:22:51 +0000 (+0100)
Subject: MainBar: Properly limit the lower value of the sample range
X-Git-Tag: pulseview-0.4.0~194
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=49ec9e075c345c18feb7be1eb59c31578ef532f0

MainBar: Properly limit the lower value of the sample range

This fixes bug #890.
---

diff --git a/pv/toolbars/mainbar.cpp b/pv/toolbars/mainbar.cpp
index 9bebda80..188786f1 100644
--- a/pv/toolbars/mainbar.cpp
+++ b/pv/toolbars/mainbar.cpp
@@ -611,9 +611,10 @@ void MainBar::export_file(shared_ptr<OutputFormat> format,
 		const pv::util::Timestamp& start_time = trace_view->cursors()->first()->time();
 		const pv::util::Timestamp& end_time = trace_view->cursors()->second()->time();
 
-		const uint64_t start_sample =
-			std::max((double)0, start_time.convert_to<double>() * samplerate);
-		const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
+		const uint64_t start_sample = (uint64_t)std::max(
+			(double)0, start_time.convert_to<double>() * samplerate);
+		const uint64_t end_sample = (uint64_t)std::max(
+			(double)0, end_time.convert_to<double>() * samplerate);
 
 		sample_range = std::make_pair(start_sample, end_sample);
 	} else {