[set] Add pre-allocation internal API
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@ -56,6 +56,7 @@ struct hb_bit_set_invertible_t
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bool in_error () const { return s.in_error (); }
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explicit operator bool () const { return !is_empty (); }
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void alloc (unsigned sz) { s.alloc (sz); }
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void reset ()
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{
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s.reset ();
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@ -97,6 +97,13 @@ struct hb_bit_set_t
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return true;
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}
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void alloc (unsigned sz)
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{
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sz >>= (page_t::PAGE_BITS_LOG_2 - 1);
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pages.alloc (sz);
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page_map.alloc (sz);
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}
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void reset ()
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{
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successful = true;
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@ -77,6 +77,7 @@ struct hb_sparseset_t
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void err () { s.err (); }
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bool in_error () const { return s.in_error (); }
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void alloc (unsigned sz) { s.alloc (sz); }
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void reset () { s.reset (); }
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void clear () { s.clear (); }
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void invert () { s.invert (); }
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