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[VARC] Fix resource leak

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This commit is contained in:
Behdad Esfahbod 2025-02-25 11:23:48 -07:00
parent 827be1b23c
commit e76b689fe1
1 changed files with 9 additions and 4 deletions
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13
src/OT/Var/VARC/VARC.hh
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@ -162,10 +162,10 @@ struct VARC
{
if (!table->has_data ()) return false;
hb_glyf_scratch_t *scratch;
hb_glyf_scratch_t *scratch = nullptr;
// Borrow the cached strach buffer.
do
retry:
{
scratch = cached_scratch.get_relaxed ();
if (!scratch)
@ -173,10 +173,15 @@ struct VARC
scratch = (hb_glyf_scratch_t *) hb_calloc (1, sizeof (hb_glyf_scratch_t));
if (unlikely (!scratch))
return true;
break;
if (!cached_scratch.cmpexch (scratch, nullptr))
{
scratch->~hb_glyf_scratch_t ();
hb_free (scratch);
goto retry;
}
}
}
while (!cached_scratch.cmpexch (scratch, nullptr));
bool ret = table->get_path (font, gid, draw_session, *scratch);