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Fix a null dereference found by Pvs-studio...

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... I think the other examples flagged by it are provably redundant
null-checks after uses of pointers, not really bugs
This commit is contained in:
Paul Licameli 2017-10-11 23:07:12 -04:00
parent 31b820b47c
commit 1960762308
1 changed files with 8 additions and 7 deletions
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15
src/Project.cpp
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@ -4090,14 +4090,15 @@ void AudacityProject::AddImportedTracks(const wxString &fileName,
// remember this to show a warning later // remember this to show a warning later
if (newTrack->GetKind() == WaveTrack::Wave) if (newTrack->GetKind() == WaveTrack::Wave)
{ {
WaveClip* clip = ((WaveTrack*)newTrack)->GetClipByIndex(0); if (WaveClip* clip = ((WaveTrack*)newTrack)->GetClipByIndex(0)) {
BlockArray &blocks = clip->GetSequence()->GetBlockArray(); BlockArray &blocks = clip->GetSequence()->GetBlockArray();
if (clip && blocks.size()) if (blocks.size())
{
SeqBlock& block = blocks[0];
if (block.f->IsAlias())
{ {
mImportedDependencies = true; SeqBlock& block = blocks[0];
if (block.f->IsAlias())
{
mImportedDependencies = true;
}
} }
} }
} }