kc3-lang/harfbuzz/src/OT/Layout/GPOS/CursivePos.hh

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• Hash : be8a87c4
  Author :
  Date : 2023-01-21T15:00:41
  

  Move TRACE_DISPATCH after may_recurse()
  
  Such that we don't get memory access issues if DEBUG_SANITIZE is
  on and may_recurse() returns false.
  

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• src/OT/Layout/GPOS/CursivePos.hh

• #ifndef OT_LAYOUT_GPOS_CURSIVEPOS_HH
  #define OT_LAYOUT_GPOS_CURSIVEPOS_HH
  
  #include "CursivePosFormat1.hh"
  
  namespace OT {
  namespace Layout {
  namespace GPOS_impl {
  
  struct CursivePos
  {
    protected:
    union {
    HBUINT16              format;         /* Format identifier */
    CursivePosFormat1     format1;
    } u;
  
    public:
    template <typename context_t, typename ...Ts>
    typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
    {
      if (unlikely (!c->may_dispatch (this, &u.format))) return c->no_dispatch_return_value ();
      TRACE_DISPATCH (this, u.format);
      switch (u.format) {
      case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
      default:return_trace (c->default_return_value ());
      }
    }
  };
  
  }
  }
  }
  
  #endif /* OT_LAYOUT_GPOS_CURSIVEPOS_HH */
  

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