Ly8gQ29weXJpZ2h0IChjKSAyMDA5IFRoZSBDaHJvbWl1bSBBdXRob3JzLiBBbGwgcmlnaHRzIHJlc2VydmVkLgovLyBVc2Ugb2YgdGhpcyBzb3VyY2UgY29kZSBpcyBnb3Zlcm5lZCBieSBhIEJTRC1zdHlsZSBsaWNlbnNlIHRoYXQgY2FuIGJlCi8vIGZvdW5kIGluIHRoZSBMSUNFTlNFIGZpbGUuCgovLyBUaGlzIGZpbGUgaXMgYSBjb3B5IG9mIENocm9taXVtJ3MgL3NyYy9iYXNlL2NvbnRhaW5lcnMvbGlua2VkX2xpc3QuaAoKI2lmbmRlZiBDT01NT05fTElOS0VEX0xJU1RfSAojZGVmaW5lIENPTU1PTl9MSU5LRURfTElTVF9ICgojaW5jbHVkZSAiY29tbW9uL0Fzc2VydC5oIgoKLy8gU2ltcGxlIExpbmtlZExpc3QgdHlwZS4gKFNlZSB0aGUgUSZBIHNlY3Rpb24gdG8gdW5kZXJzdGFuZCBob3cgdGhpcwovLyBkaWZmZXJzIGZyb20gc3RkOjpsaXN0KS4KLy8KLy8gVG8gdXNlLCBzdGFydCBieSBkZWNsYXJpbmcgdGhlIGNsYXNzIHdoaWNoIHdpbGwgYmUgY29udGFpbmVkIGluIHRoZSBsaW5rZWQKLy8gbGlzdCwgYXMgZXh0ZW5kaW5nIExpbmtOb2RlICh0aGlzIGdpdmVzIGl0IG5leHQvcHJldmlvdXMgcG9pbnRlcnMpLgovLwovLyAgIGNsYXNzIE15Tm9kZVR5cGUgOiBwdWJsaWMgTGlua05vZGU8TXlOb2RlVHlwZT4gewovLyAgICAgLi4uCi8vICAgfTsKLy8KLy8gTmV4dCwgdG8ga2VlcCB0cmFjayBvZiB0aGUgbGlzdCdzIGhlYWQvdGFpbCwgdXNlIGEgTGlua2VkTGlzdCBpbnN0YW5jZToKLy8KLy8gICBMaW5rZWRMaXN0PE15Tm9kZVR5cGU+IGxpc3Q7Ci8vCi8vIFRvIGFkZCBlbGVtZW50cyB0byB0aGUgbGlzdCwgdXNlIGFueSBvZiBMaW5rZWRMaXN0OjpBcHBlbmQsCi8vIExpbmtOb2RlOjpJbnNlcnRCZWZvcmUsIG9yIExpbmtOb2RlOjpJbnNlcnRBZnRlcjoKLy8KLy8gICBMaW5rTm9kZTxNeU5vZGVUeXBlPiogbjEgPSAuLi47Ci8vICAgTGlua05vZGU8TXlOb2RlVHlwZT4qIG4yID0gLi4uOwovLyAgIExpbmtOb2RlPE15Tm9kZVR5cGU+KiBuMyA9IC4uLjsKLy8KLy8gICBsaXN0LkFwcGVuZChuMSk7Ci8vICAgbGlzdC5BcHBlbmQobjMpOwovLyAgIG4zLT5JbnNlcnRCZWZvcmUobjMpOwovLwovLyBMYXN0bHksIHRvIGl0ZXJhdGUgdGhyb3VnaCB0aGUgbGlua2VkIGxpc3QgZm9yd2FyZHM6Ci8vCi8vICAgZm9yIChMaW5rTm9kZTxNeU5vZGVUeXBlPiogbm9kZSA9IGxpc3QuaGVhZCgpOwovLyAgICAgICAgbm9kZSAhPSBsaXN0LmVuZCgpOwovLyAgICAgICAgbm9kZSA9IG5vZGUtPm5leHQoKSkgewovLyAgICAgTXlOb2RlVHlwZSogdmFsdWUgPSBub2RlLT52YWx1ZSgpOwovLyAgICAgLi4uCi8vICAgfQovLwovLyBPciB0byBpdGVyYXRlIHRoZSBsaW5rZWQgbGlzdCBiYWNrd2FyZHM6Ci8vCi8vICAgZm9yIChMaW5rTm9kZTxNeU5vZGVUeXBlPiogbm9kZSA9IGxpc3QudGFpbCgpOwovLyAgICAgICAgbm9kZSAhPSBsaXN0LmVuZCgpOwovLyAgICAgICAgbm9kZSA9IG5vZGUtPnByZXZpb3VzKCkpIHsKLy8gICAgIE15Tm9kZVR5cGUqIHZhbHVlID0gbm9kZS0+dmFsdWUoKTsKLy8gICAgIC4uLgovLyAgIH0KLy8KLy8gUXVlc3Rpb25zIGFuZCBBbnN3ZXJzOgovLwovLyBRLiBTaG91bGQgSSB1c2Ugc3RkOjpsaXN0IG9yIGJhc2U6OkxpbmtlZExpc3Q/Ci8vCi8vIEEuIFRoZSBtYWluIHJlYXNvbiB0byB1c2UgYmFzZTo6TGlua2VkTGlzdCBvdmVyIHN0ZDo6bGlzdCBpcwovLyAgICBwZXJmb3JtYW5jZS4gSWYgeW91IGRvbid0IGNhcmUgYWJvdXQgdGhlIHBlcmZvcm1hbmNlIGRpZmZlcmVuY2VzCi8vICAgIHRoZW4gdXNlIGFuIFNUTCBjb250YWluZXIsIGFzIGl0IG1ha2VzIGZvciBiZXR0ZXIgY29kZSByZWFkYWJpbGl0eS4KLy8KLy8gICAgQ29tcGFyaW5nIHRoZSBwZXJmb3JtYW5jZSBvZiBiYXNlOjpMaW5rZWRMaXN0PFQ+IHRvIHN0ZDo6bGlzdDxUKj46Ci8vCi8vICAgICogRXJhc2luZyBhbiBlbGVtZW50IG9mIHR5cGUgVCogZnJvbSBiYXNlOjpMaW5rZWRMaXN0PFQ+IGlzCi8vICAgICAgYW4gTygxKSBvcGVyYXRpb24uIFdoZXJlYXMgZm9yIHN0ZDo6bGlzdDxUKj4gaXQgaXMgTyhuKS4KLy8gICAgICBUaGF0IGlzIGJlY2F1c2Ugd2l0aCBzdGQ6Omxpc3Q8VCo+IHlvdSBtdXN0IG9idGFpbiBhbgovLyAgICAgIGl0ZXJhdG9yIHRvIHRoZSBUKiBlbGVtZW50IGJlZm9yZSB5b3UgY2FuIGNhbGwgZXJhc2UoaXRlcmF0b3IpLgovLwovLyAgICAqIEluc2VydGlvbiBvcGVyYXRpb25zIHdpdGggYmFzZTo6TGlua2VkTGlzdDxUPiBuZXZlciByZXF1aXJlCi8vICAgICAgaGVhcCBhbGxvY2F0aW9ucy4KLy8KLy8gUS4gSG93IGRvZXMgYmFzZTo6TGlua2VkTGlzdCBpbXBsZW1lbnRhdGlvbiBkaWZmZXIgZnJvbSBzdGQ6Omxpc3Q/Ci8vCi8vIEEuIERvdWJseS1saW5rZWQgbGlzdHMgYXJlIG1hZGUgdXAgb2Ygbm9kZXMgdGhhdCBjb250YWluICJuZXh0IiBhbmQKLy8gICAgInByZXZpb3VzIiBwb2ludGVycyB0aGF0IHJlZmVyZW5jZSBvdGhlciBub2RlcyBpbiB0aGUgbGlzdC4KLy8KLy8gICAgV2l0aCBiYXNlOjpMaW5rZWRMaXN0PFQ+LCB0aGUgdHlwZSBiZWluZyBpbnNlcnRlZCBhbHJlYWR5IHJlc2VydmVzCi8vICAgIHNwYWNlIGZvciB0aGUgIm5leHQiIGFuZCAicHJldmlvdXMiIHBvaW50ZXJzIChiYXNlOjpMaW5rTm9kZTxUPiopLgovLyAgICBXaGVyZWFzIHdpdGggc3RkOjpsaXN0PFQ+IHRoZSB0eXBlIGNhbiBiZSBhbnl0aGluZywgc28gdGhlIGltcGxlbWVudGF0aW9uCi8vICAgIG5lZWRzIHRvIGdsdWUgb24gdGhlICJuZXh0IiBhbmQgInByZXZpb3VzIiBwb2ludGVycyB1c2luZwovLyAgICBzb21lIGludGVybmFsIG5vZGUgdHlwZS4KCnRlbXBsYXRlIDx0eXBlbmFtZSBUPgpjbGFzcyBMaW5rTm9kZSB7CiAgcHVibGljOgogICAgTGlua05vZGUoKSA6IHByZXZpb3VzXyhudWxscHRyKSwgbmV4dF8obnVsbHB0cikgewogICAgfQogICAgTGlua05vZGUoTGlua05vZGU8VD4qIHByZXZpb3VzLCBMaW5rTm9kZTxUPiogbmV4dCkgOiBwcmV2aW91c18ocHJldmlvdXMpLCBuZXh0XyhuZXh0KSB7CiAgICB9CgogICAgTGlua05vZGUoTGlua05vZGU8VD4mJiByaHMpIHsKICAgICAgICBuZXh0XyA9IHJocy5uZXh0XzsKICAgICAgICByaHMubmV4dF8gPSBudWxscHRyOwogICAgICAgIHByZXZpb3VzXyA9IHJocy5wcmV2aW91c187CiAgICAgICAgcmhzLnByZXZpb3VzXyA9IG51bGxwdHI7CgogICAgICAgIC8vIElmIHRoZSBub2RlIGJlbG9uZ3MgdG8gYSBsaXN0LCBuZXh0XyBhbmQgcHJldmlvdXNfIGFyZSBib3RoIG5vbi1udWxsLgogICAgICAgIC8vIE90aGVyd2lzZSwgdGhleSBhcmUgYm90aCBudWxsLgogICAgICAgIGlmIChuZXh0XykgewogICAgICAgICAgICBuZXh0Xy0+cHJldmlvdXNfID0gdGhpczsKICAgICAgICAgICAgcHJldmlvdXNfLT5uZXh0XyA9IHRoaXM7CiAgICAgICAgfQogICAgfQoKICAgIC8vIEluc2VydCB8dGhpc3wgaW50byB0aGUgbGlua2VkIGxpc3QsIGJlZm9yZSB8ZXwuCiAgICB2b2lkIEluc2VydEJlZm9yZShMaW5rTm9kZTxUPiogZSkgewogICAgICAgIHRoaXMtPm5leHRfID0gZTsKICAgICAgICB0aGlzLT5wcmV2aW91c18gPSBlLT5wcmV2aW91c187CiAgICAgICAgZS0+cHJldmlvdXNfLT5uZXh0XyA9IHRoaXM7CiAgICAgICAgZS0+cHJldmlvdXNfID0gdGhpczsKICAgIH0KCiAgICAvLyBJbnNlcnQgfHRoaXN8IGludG8gdGhlIGxpbmtlZCBsaXN0LCBhZnRlciB8ZXwuCiAgICB2b2lkIEluc2VydEFmdGVyKExpbmtOb2RlPFQ+KiBlKSB7CiAgICAg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