Ly8gQ29weXJpZ2h0IChjKSAyMDExIFRoZSBDaHJvbWl1bSBBdXRob3JzLiBBbGwgcmlnaHRzIHJlc2VydmVkLgovLyBVc2Ugb2YgdGhpcyBzb3VyY2UgY29kZSBpcyBnb3Zlcm5lZCBieSBhIEJTRC1zdHlsZSBsaWNlbnNlIHRoYXQgY2FuIGJlCi8vIGZvdW5kIGluIHRoZSBMSUNFTlNFIGZpbGUuCgojaWZuZGVmIEJBU0VfU1RSSU5HU19VVEZfT0ZGU0VUX1NUUklOR19DT05WRVJTSU9OU19IXwojZGVmaW5lIEJBU0VfU1RSSU5HU19VVEZfT0ZGU0VUX1NUUklOR19DT05WRVJTSU9OU19IXwoKI2luY2x1ZGUgPHN0ZGRlZi5oPgoKI2luY2x1ZGUgPHN0cmluZz4KI2luY2x1ZGUgPHN0cmluZ192aWV3PgojaW5jbHVkZSA8dmVjdG9yPgoKbmFtZXNwYWNlIGJhc2UgewoKLy8gQSBoZWxwZXIgY2xhc3MgYW5kIGFzc29jaWF0ZWQgZGF0YSBzdHJ1Y3R1cmVzIHRvIGFkanVzdCBvZmZzZXRzIGludG8gYQovLyBzdHJpbmcgaW4gcmVzcG9uc2UgdG8gdmFyaW91cyBhZGp1c3RtZW50cyBvbmUgbWlnaHQgZG8gdG8gdGhhdCBzdHJpbmcKLy8gKGUuZy4sIGVsaW1pbmF0aW5nIGEgcmFuZ2UpLiAgRm9yIGRldGFpbHMgb24gb2Zmc2V0cywgc2VlIHRoZSBjb21tZW50cyBieQovLyB0aGUgQWRqdXN0T2Zmc2V0cygpIGZ1bmN0aW9uIGJlbG93LgpjbGFzcyBPZmZzZXRBZGp1c3RlciB7CiBwdWJsaWM6CiAgc3RydWN0IEFkanVzdG1lbnQgewogICAgQWRqdXN0bWVudChzaXplX3Qgb3JpZ2luYWxfb2Zmc2V0LAogICAgICAgICAgICAgICBzaXplX3Qgb3JpZ2luYWxfbGVuZ3RoLAogICAgICAgICAgICAgICBzaXplX3Qgb3V0cHV0X2xlbmd0aCk7CgogICAgc2l6ZV90IG9yaWdpbmFsX29mZnNldDsKICAgIHNpemVfdCBvcmlnaW5hbF9sZW5ndGg7CiAgICBzaXplX3Qgb3V0cHV0X2xlbmd0aDsKICB9OwogIHR5cGVkZWYgc3RkOjp2ZWN0b3I8QWRqdXN0bWVudD4gQWRqdXN0bWVudHM7CgogIC8vIEFkanVzdHMgYWxsIG9mZnNldHMgaW4gfG9mZnNldHNfZm9yX2FkanVzdG1lbnR8IHRvIHJlZmxlY3QgdGhlIGFkanVzdG1lbnRzCiAgLy8gcmVjb3JkZWQgaW4gfGFkanVzdG1lbnRzfC4gIEFkanVzdGVkIG9mZnNldHMgZ3JlYXRlciB0aGFuIHxsaW1pdHwgd2lsbCBiZQogIC8vIHNldCB0byBzdGQ6OnUxNnN0cmluZzo6bnBvcy4KICAvLwogIC8vIE9mZnNldHMgcmVwcmVzZW50cyBpbnNlcnRpb24vc2VsZWN0aW9uIHBvaW50cyBiZXR3ZWVuIGNoYXJhY3RlcnM6IGlmIHxzcmN8CiAgLy8gaXMgImFiY2QiLCB0aGVuIDAgaXMgYmVmb3JlICdhJywgMiBpcyBiZXR3ZWVuICdiJyBhbmQgJ2MnLCBhbmQgNCBpcyBhdCB0aGUKICAvLyBlbmQgb2YgdGhlIHN0cmluZy4gIFZhbGlkIGlucHV0IG9mZnNldHMgcmFuZ2UgZnJvbSAwIHRvIHxzcmNfbGVufC4gIE9uCiAgLy8gZXhpdCwgZWFjaCBvZmZzZXQgd2lsbCBoYXZlIGJlZW4gbW9kaWZpZWQgdG8gcG9pbnQgYXQgdGhlIHNhbWUgbG9naWNhbAogIC8vIHBvc2l0aW9uIGluIHRoZSBvdXRwdXQgc3RyaW5nLiAgSWYgYW4gb2Zmc2V0IGNhbm5vdCBiZSBzdWNjZXNzZnVsbHkKICAvLyBhZGp1c3RlZCAoZS5nLiwgYmVjYXVzZSBpdCBwb2ludHMgaW50byB0aGUgbWlkZGxlIG9mIGEgbXVsdGlieXRlIHNlcXVlbmNlKSwKICAvLyBpdCB3aWxsIGJlIHNldCB0byBzdGQ6OnUxNnN0cmluZzo6bnBvcy4KICBzdGF0aWMgdm9pZCBBZGp1c3RPZmZzZXRzKGNvbnN0IEFkanVzdG1lbnRzJiBhZGp1c3RtZW50cywKICAgICAgICAgICAgICAgICAgICAgICAgICAgIHN0ZDo6dmVjdG9yPHNpemVfdD4qIG9mZnNldHNfZm9yX2FkanVzdG1lbnQsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICBzaXplX3QgbGltaXQgPSBzdGQ6OnUxNnN0cmluZzo6bnBvcyk7CgogIC8vIEFkanVzdHMgdGhlIHNpbmdsZSB8b2Zmc2V0fCB0byByZWZsZWN0IHRoZSBhZGp1c3RtZW50cyByZWNvcmRlZCBpbgogIC8vIHxhZGp1c3RtZW50c3wuCiAgc3RhdGljIHZvaWQgQWRqdXN0T2Zmc2V0KGNvbnN0IEFkanVzdG1lbnRzJiBhZGp1c3RtZW50cywKICAgICAgICAgICAgICAgICAgICAgICAgICAgc2l6ZV90KiBvZmZzZXQsCiAgICAgICAgICAgICAgICAgICAgICAgICAgIHNpemVfdCBsaW1pdCA9IHN0ZDo6dTE2c3RyaW5nOjpucG9zKTsKCiAgLy8gQWRqdXN0cyBhbGwgb2Zmc2V0cyBpbiB8b2Zmc2V0c19mb3JfdW5hZGp1c3RtZW50fCB0byByZWZsZWN0IHRoZSByZXZlcnNlCiAgLy8gb2YgdGhlIGFkanVzdG1lbnRzIHJlY29yZGVkIGluIHxhZGp1c3RtZW50c3wuICBJbiBvdGhlciB3b3JkcywgdGhlIG9mZnNldHMKICAvLyBwcm92aWRlZCByZXByZXNlbnQgb2Zmc2V0cyBpbnRvIGFuIGFkanVzdGVkIHN0cmluZyBhbmQgdGhlIGNhbGxlciB3YW50cwogIC8vIHRvIGtub3cgdGhlIG9mZnNldHMgdGhleSBjb3JyZXNwb25kIHRvIGluIHRoZSBvcmlnaW5hbCBzdHJpbmcuICBJZiBhbgogIC8vIG9mZnNldCBjYW5ub3QgYmUgc3VjY2Vzc2Z1bGx5IHVuYWRqdXN0ZWQgKGUuZy4sIGJlY2F1c2UgaXQgcG9pbnRzIGludG8KICAvLyB0aGUgbWlkZGxlIG9mIGEgbXVsdGlieXRlIHNlcXVlbmNlKSwgaXQgd2lsbCBiZSBzZXQgdG8KICAvLyBzdGQ6OnUxNnN0cmluZzo6bnBvcy4KICBzdGF0aWMgdm9pZCBVbmFkanVzdE9mZnNldHMoY29uc3QgQWRqdXN0bWVudHMmIGFkanVzdG1lbnRzLAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICBzdGQ6OnZlY3RvcjxzaXplX3Q+KiBvZmZzZXRzX2Zvcl91bmFkanVzdG1lbnQpOwoKICAvLyBBZGp1c3RzIHRoZSBzaW5nbGUgfG9mZnNldHwgdG8gcmVmbGVjdCB0aGUgcmV2ZXJzZSBvZiB0aGUgYWRqdXN0bWVudHMKICAvLyByZWNvcmRlZCBpbiB8YWRqdXN0bWVudHN8LgogIHN0YXRpYyB2b2lkIFVuYWRqdXN0T2Zmc2V0KGNvbnN0IEFkanVzdG1lbnRzJiBhZGp1c3RtZW50cywgc2l6ZV90KiBvZmZzZXQpOwoKICAvLyBDb21iaW5lcyB0d28gc2VxdWVudGlhbCBzZXRzIG9mIGFkanVzdG1lbnRzLCBzdG9yaW5nIHRoZSBjb21iaW5lZCByZXZpc2VkCiAgLy8gYWRqdXN0bWVudHMgaW4gfGFkanVzdG1lbnRzX29uX2FkanVzdGVkX3N0cmluZ3wuICBUaGF0IGlzLCBzdXBwb3NlIGEKICAvLyBzdHJpbmcgd2FzIGFsdGVyZWQgaW4gc29tZSB3YXksIHdpdGggdGhlIGFsdGVyYXRpb25zIHJlY29yZGVkIGFzCiAgLy8gYWRqdXN0bWVudHMgaW4gfGZpcnN0X2FkanVzdG1lbnRzfC4gIFRoZW4gc3VwcG9zZSB0aGUgcmVzdWx0aW5nIHN0cmluZyBpcwogIC8vIGZ1cnRoZXIgYWx0ZXJlZCwgd2l0aCB0aGUgYWx0ZXJhdGlvbnMgcmVjb3JkZWQgYXMgYWRqdXN0bWVudHMgc2NvcmVkIGluCiAgLy8gfGFkanVzdG1lbnRzX29uX2FkanVzdGVkX3N0cmluZ3wsIHdpdGggdGhlIG9mZnNldHMgcmVjb3JkZWQgaW4gdGhlc2UKICAvLyBhZGp1c3RtZW50cyBiZWluZyB3aXRoIHJlc3BlY3QgdG8gdGhlIGludGVybWVkaWF0ZSBzdHJpbmcuICBUaGlzIGZ1bmN0aW9uCiAgLy8gY29tYmluZXMgdGhlIHR3byBzZXRzIG9mIGFkanVzdG1lbnRzIGludG8gb25lLCBzdG9yaW5nIHRoZSByZXN1bHQgaW4KICAvLyB8YWRqdXN0bWVudHNfb25fYWRqdXN0ZWRfc3RyaW5nfCwgd2hvc2Ugb2Zmc2V0cyBhcmUgY29ycmVjdCB3aXRoIHJlc3BlY3QKICAvLyB0byB0aGUgb3JpZ2luYWwgc3RyaW5nLgogIC8vCiAgLy8gQXNzdW1lcyBib3RoIHBhcmFtZXRlcnMgYXJlIHNvcnRlZCBieSBpbmNyZWFzaW5nIG9mZnNldC4KICAvLwogIC8vIFdBUk5JTkc6IE9ubHkgc3VwcG9ydHMgfGZpcnN0X2FkanVzdG1lbnRzfCB0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