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[subset] check for set insertion success.

This commit is contained in:
Garret Rieger 2021-03-29 16:17:27 -07:00
parent c6adb90a27
commit 52df6b9fd8
1 changed files with 8 additions and 3 deletions
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11
src/hb-ot-layout-gsubgpos.hh
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@ -108,12 +108,17 @@ struct hb_closure_context_t :
if (!done_lookups_glyph_set->get (lookup_index))
{
done_lookups_glyph_set->set (lookup_index, hb_set_create ());
} else {
done_lookups_glyph_set->get (lookup_index)->clear ();
hb_set_t* empty_set = hb_set_create ();
done_lookups_glyph_set->set (lookup_index, empty_set);
if (!done_lookups_glyph_set->get (lookup_index)) {
hb_set_destroy (empty_set);
return true;
}
}
done_lookups_glyph_set->get (lookup_index)->clear ();
}
hb_set_t *covered_glyph_set = done_lookups_glyph_set->get (lookup_index);
if (parent_active_glyphs ()->is_subset (covered_glyph_set))
return true;