Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-07-19 14:17:41 +02:00
Code Issues Releases Wiki Activity

Consistently use delete[] not free for NoteTrack serialization...

Browse Source 
... Because allocation is with new[], if you search for where it happens in
lib-src.
This commit is contained in:
Paul Licameli 2017-03-03 13:26:35 -05:00
parent 7dbb946d29
commit 509f974dfb
3 changed files with 8 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/NoteTrack.cpp
View File

@ -110,7 +110,6 @@ Track(projDirManager)
SetName(GetDefaultName());
mSeq = NULL;
mSerializationBuffer = NULL;
mSerializationLength = 0;
#ifdef EXPERIMENTAL_MIDI_OUT
@ -125,9 +124,6 @@ Track(projDirManager)
NoteTrack::~NoteTrack()
{
if (mSerializationBuffer) {
delete [] mSerializationBuffer;
}
}
Track::Holder NoteTrack::Duplicate() const
@ -143,13 +139,15 @@ Track::Holder NoteTrack::Duplicate() const
SonifyBeginSerialize();
assert(!mSerializationBuffer);
// serialize from this to duplicate's mSerializationBuffer
mSeq->serialize((void**)&duplicate->mSerializationBuffer,
void *buffer;
mSeq->serialize(&buffer,
&duplicate->mSerializationLength);
duplicate->mSerializationBuffer.reset( (char*)buffer );
SonifyEndSerialize();
} else if (mSerializationBuffer) {
SonifyBeginUnserialize();
assert(!mSeq);
std::unique_ptr<Alg_track> alg_track{ Alg_seq::unserialize(mSerializationBuffer,
std::unique_ptr<Alg_track> alg_track{ Alg_seq::unserialize(mSerializationBuffer.get(),
mSerializationLength) };
assert(alg_track->get_type() == 's');
duplicate->mSeq.reset(static_cast<Alg_seq*>(alg_track.release()));
@ -198,9 +196,8 @@ void NoteTrack::WarpAndTransposeNotes(double t0, double t1,
const auto nt = static_cast<NoteTrack*>(unt.get());
wxASSERT(!mSeq && nt->mSeq && !nt->mSerializationBuffer);
// swap mSeq and Buffer between this and nt
nt->mSerializationBuffer = mSerializationBuffer;
nt->mSerializationBuffer = std::move(mSerializationBuffer);
nt->mSerializationLength = mSerializationLength;
mSerializationBuffer = NULL;
mSerializationLength = 0;
mSeq = std::move(nt->mSeq);
}

2
src/NoteTrack.h
View File

@ -198,7 +198,7 @@ class AUDACITY_DLL_API NoteTrack final : public Track {
// mSeq variable. (TrackArtist should check to make sure this
// flip-flop from mSeq to mSerializationBuffer happened an
// even number of times, otherwise mSeq will be NULL).
mutable char *mSerializationBuffer; // NULL means no buffer
mutable std::unique_ptr<char[]> mSerializationBuffer; // NULL means no buffer
long mSerializationLength;
#ifdef EXPERIMENTAL_MIDI_OUT

5
src/TrackArtist.cpp
View File

@ -2829,12 +2829,11 @@ void TrackArtist::DrawNoteTrack(const NoteTrack *track,
// JKC: Previously this indirected via seq->, a NULL pointer.
// This was actually OK, since unserialize is a static function.
// Alg_seq:: is clearer.
std::unique_ptr<Alg_track> alg_track{ Alg_seq::unserialize(track->mSerializationBuffer,
std::unique_ptr<Alg_track> alg_track{ Alg_seq::unserialize(track->mSerializationBuffer.get(),
track->mSerializationLength) };
assert(alg_track->get_type() == 's');
const_cast<NoteTrack*>(track)->mSeq.reset(seq = static_cast<Alg_seq*>(alg_track.release()));
free(track->mSerializationBuffer);
track->mSerializationBuffer = NULL;
track->mSerializationBuffer.reset();
}
assert(seq);
int visibleChannels = track->mVisibleChannels;