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add ternary to catch possible null pointer bump

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This commit is contained in:
Charles J. Cliffe 2015-05-28 18:30:53 -04:00
parent 2a9eadbf9a
commit 24179afd28
1 changed files with 3 additions and 1 deletions
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4
src/visual/ScopeCanvas.cpp
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@ -61,7 +61,9 @@ void ScopeCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
if (!wxGetApp().getAudioVisualQueue()->empty()) { if (!wxGetApp().getAudioVisualQueue()->empty()) {
AudioThreadInput *demodAudioData; AudioThreadInput *demodAudioData;
wxGetApp().getAudioVisualQueue()->pop(demodAudioData); wxGetApp().getAudioVisualQueue()->pop(demodAudioData);
int iMax = demodAudioData->data.size();
int iMax = demodAudioData?demodAudioData->data.size():0;
if (demodAudioData && iMax) { if (demodAudioData && iMax) {
if (waveform_points.size() != iMax * 2) { if (waveform_points.size() != iMax * 2) {
waveform_points.resize(iMax * 2); waveform_points.resize(iMax * 2);