X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fdata%2Fsnapshot.cpp;h=8571dc6623be52b5b4918a2c00c79b52a1b74f6d;hb=067e5d901290afe79f6991dab8f8042583779256;hp=f3855e06c34ce9bf7cf829b5b27085f70bcb82e7;hpb=1b1ec774978b65209ce2b454cbf81da499b797d2;p=pulseview.git

diff --git a/pv/data/snapshot.cpp b/pv/data/snapshot.cpp
index f3855e0..8571dc6 100644
--- a/pv/data/snapshot.cpp
+++ b/pv/data/snapshot.cpp
@@ -44,7 +44,7 @@ Snapshot::~Snapshot()
 	free(_data);
 }
 
-uint64_t Snapshot::get_sample_count()
+uint64_t Snapshot::get_sample_count() const
 {
 	lock_guard<recursive_mutex> lock(_mutex);
 	return _sample_count;
@@ -53,7 +53,8 @@ uint64_t Snapshot::get_sample_count()
 void Snapshot::append_data(void *data, uint64_t samples)
 {
 	lock_guard<recursive_mutex> lock(_mutex);
-	_data = realloc(_data, (_sample_count + samples) * _unit_size);
+	_data = realloc(_data, (_sample_count + samples) * _unit_size +
+		sizeof(uint64_t));
 	memcpy((uint8_t*)_data + _sample_count * _unit_size,
 		data, samples * _unit_size);
 	_sample_count += samples;