- print " if (%s) {" % instance
- print " %s = static_cast<%s *>(%s)->m_pInstance;" % (instance, getWrapperInterfaceName(interface), instance)
- print " }"
+ print r' if (%s) {' % instance
+ print r' %s *pWrapper = static_cast<%s*>(%s);' % (getWrapperInterfaceName(interface), getWrapperInterfaceName(interface), instance)
+ print r' if (pWrapper && pWrapper->m_dwMagic == 0xd8365d6c) {'
+ print r' %s = pWrapper->m_pInstance;' % (instance,)
+ print r' } else {'
+ print r' os::log("apitrace: warning: %%s: unexpected %%s pointer\n", __FUNCTION__, "%s");' % interface.name
+ print r' }'
+ print r' }'