LyoKICogV3JhcCBhIGhvc3QgQmx1ZXRvb3RoIEhDSSBzb2NrZXQgaW4gYSBzdHJ1Y3QgSENJSW5mby4KICoKICogQ29weXJpZ2h0IChDKSAyMDA4IEFuZHJ6ZWogWmFib3Jvd3NraSAgPGJhbHJvZ0B6YWJvci5vcmc+CiAqCiAqIFRoaXMgcHJvZ3JhbSBpcyBmcmVlIHNvZnR3YXJlOyB5b3UgY2FuIHJlZGlzdHJpYnV0ZSBpdCBhbmQvb3IKICogbW9kaWZ5IGl0IHVuZGVyIHRoZSB0ZXJtcyBvZiB0aGUgR05VIEdlbmVyYWwgUHVibGljIExpY2Vuc2UgYXMKICogcHVibGlzaGVkIGJ5IHRoZSBGcmVlIFNvZnR3YXJlIEZvdW5kYXRpb247IGVpdGhlciB2ZXJzaW9uIDIgb3IKICogKGF0IHlvdXIgb3B0aW9uKSB2ZXJzaW9uIDMgb2YgdGhlIExpY2Vuc2UuCiAqCiAqIFRoaXMgcHJvZ3JhbSBpcyBkaXN0cmlidXRlZCBpbiB0aGUgaG9wZSB0aGF0IGl0IHdpbGwgYmUgdXNlZnVsLAogKiBidXQgV0lUSE9VVCBBTlkgV0FSUkFOVFk7IHdpdGhvdXQgZXZlbiB0aGUgaW1wbGllZCB3YXJyYW50eSBvZgogKiBNRVJDSEFOVEFCSUxJVFkgb3IgRklUTkVTUyBGT1IgQSBQQVJUSUNVTEFSIFBVUlBPU0UuICBTZWUgdGhlCiAqIEdOVSBHZW5lcmFsIFB1YmxpYyBMaWNlbnNlIGZvciBtb3JlIGRldGFpbHMuCiAqCiAqIFlvdSBzaG91bGQgaGF2ZSByZWNlaXZlZCBhIGNvcHkgb2YgdGhlIEdOVSBHZW5lcmFsIFB1YmxpYyBMaWNlbnNlIGFsb25nCiAqIHdpdGggdGhpcyBwcm9ncmFtOyBpZiBub3QsIHNlZSA8aHR0cDovL3d3dy5nbnUub3JnL2xpY2Vuc2VzLz4uCiAqLwoKI2luY2x1ZGUgInFlbXUtY29tbW9uLmgiCiNpbmNsdWRlICJzeXNlbXUvYnQuaCIKI2luY2x1ZGUgInFlbXUvbWFpbi1sb29wLmgiCgojaWZuZGVmIF9XSU4zMgojIGluY2x1ZGUgPGVycm5vLmg+CiMgaW5jbHVkZSA8c3lzL2lvY3RsLmg+CiMgaW5jbHVkZSA8c3lzL3Vpby5oPgojIGlmZGVmIENPTkZJR19CTFVFWgojICBpbmNsdWRlIDxibHVldG9vdGgvYmx1ZXRvb3RoLmg+CiMgIGluY2x1ZGUgPGJsdWV0b290aC9oY2kuaD4KIyAgaW5jbHVkZSA8Ymx1ZXRvb3RoL2hjaV9saWIuaD4KIyBlbHNlCiMgIGluY2x1ZGUgImh3L2J0LmgiCiMgIGRlZmluZSBIQ0lfTUFYX0ZSQU1FX1NJWkUJMTAyOAojIGVuZGlmCgpzdHJ1Y3QgYnRfaG9zdF9oY2lfcyB7CiAgICBzdHJ1Y3QgSENJSW5mbyBoY2k7CiAgICBpbnQgZmQ7CgogICAgdWludDhfdCBoZHJbSENJX01BWF9GUkFNRV9TSVpFXTsKICAgIGludCBsZW47Cn07CgpzdGF0aWMgdm9pZCBidF9ob3N0X3NlbmQoc3RydWN0IEhDSUluZm8gKmhjaSwKICAgICAgICAgICAgICAgIGludCB0eXBlLCBjb25zdCB1aW50OF90ICpkYXRhLCBpbnQgbGVuKQp7CiAgICBzdHJ1Y3QgYnRfaG9zdF9oY2lfcyAqcyA9IChzdHJ1Y3QgYnRfaG9zdF9oY2lfcyAqKSBoY2k7CiAgICB1aW50OF90IHBrdCA9IHR5cGU7CiAgICBzdHJ1Y3QgaW92ZWMgaXZbMl07CgogICAgaXZbMF0uaW92X2Jhc2UgPSAodm9pZCAqKSZwa3Q7CiAgICBpdlswXS5pb3ZfbGVuICA9IDE7CiAgICBpdlsxXS5pb3ZfYmFzZSA9ICh2b2lkICopIGRhdGE7CiAgICBpdlsxXS5pb3ZfbGVuICA9IGxlbjsKCiAgICB3aGlsZSAod3JpdGV2KHMtPmZkLCBpdiwgMikgPCAwKSB7CiAgICAgICAgaWYgKGVycm5vICE9IEVBR0FJTiAmJiBlcnJubyAhPSBFSU5UUikgewogICAgICAgICAgICBmcHJpbnRmKHN0ZGVyciwgInFlbXU6IGVycm9yICVpIHdyaXRpbmcgYmx1ZXRvb3RoIHBhY2tldC5cbiIsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICBlcnJubyk7CiAgICAgICAgICAgIHJldHVybjsKICAgICAgICB9CiAgICB9Cn0KCnN0YXRpYyB2b2lkIGJ0X2hvc3RfY21kKHN0cnVjdCBIQ0lJbmZvICpoY2ksIGNvbnN0IHVpbnQ4X3QgKmRhdGEsIGludCBsZW4pCnsKICAgIGJ0X2hvc3Rfc2VuZChoY2ksIEhDSV9DT01NQU5EX1BLVCwgZGF0YSwgbGVuKTsKfQoKc3RhdGljIHZvaWQgYnRfaG9zdF9hY2woc3RydWN0IEhDSUluZm8gKmhjaSwgY29uc3QgdWludDhfdCAqZGF0YSwgaW50IGxlbikKewogICAgYnRfaG9zdF9zZW5kKGhjaSwgSENJX0FDTERBVEFfUEtULCBkYXRhLCBsZW4pOwp9CgpzdGF0aWMgdm9pZCBidF9ob3N0X3NjbyhzdHJ1Y3QgSENJSW5mbyAqaGNpLCBjb25zdCB1aW50OF90ICpkYXRhLCBpbnQgbGVuKQp7CiAgICBidF9ob3N0X3NlbmQoaGNpLCBIQ0lfU0NPREFUQV9QS1QsIGRhdGEsIGxlbik7Cn0KCnN0YXRpYyB2b2lkIGJ0X2hvc3RfcmVhZCh2b2lkICpvcGFxdWUpCnsKICAgIHN0cnVjdCBidF9ob3N0X2hjaV9zICpzID0gKHN0cnVjdCBidF9ob3N0X2hjaV9zICopIG9wYXF1ZTsKICAgIHVpbnQ4X3QgKnBrdDsKICAgIGludCBwa3RsZW47CgogICAgLyogU2VlbXMgdGhhdCB3ZSBjYW4ndCByZWFkIG9ubHkgdGhlIGhlYWRlciBmaXJzdCBhbmQgdGhlbiB0aGUgYW1vdW50CiAgICAgKiBvZiBkYXRhIGluZGljYXRlZCBpbiB0aGUgaGVhZGVyIGJlY2F1c2UgTGludXggd2lsbCBkaXNjYXJkIGV2ZXJ5dGhpbmcKICAgICAqIHRoYXQncyBub3QgYmVlbiByZWFkIGluIG9uZSBnby4gICovCiAgICBzLT5sZW4gPSByZWFkKHMtPmZkLCBzLT5oZHIsIHNpemVvZihzLT5oZHIpKTsKCiAgICBpZiAocy0+bGVuIDwgMCkgewogICAgICAgIGZwcmludGYoc3RkZXJyLCAicWVtdTogZXJyb3IgJWkgcmVhZGluZyBIQ0kgZnJhbWVcbiIsIGVycm5vKTsKICAgICAgICByZXR1cm47CiAgICB9CgogICAgcGt0ID0gcy0+aGRyOwogICAgd2hpbGUgKHMtPmxlbiAtLSkKICAgICAgICBzd2l0Y2ggKCpwa3QgKyspIHsKICAgICAgICBjYXNlIEhDSV9FVkVOVF9QS1Q6CiAgICAgICAgICAgIGlmIChzLT5sZW4gPCAyKQogICAgICAgICAgICAgICAgZ290byBiYWRfcGt0OwoKICAgICAgICAgICAgcGt0bGVuID0gTUlOKHBrdFsxXSArIDIsIHMtPmxlbik7CiAgICAgICAgICAgIHMtPmhjaS5ldnRfcmVjdihzLT5oY2kub3BhcXVlLCBwa3QsIHBrdGxlbik7CiAgICAgICAgICAgIHMtPmxlbiAtPSBwa3RsZW47CiAgICAgICAgICAgIHBrdCArPSBwa3RsZW47CgogICAgICAgICAgICAvKiBUT0RPOiBpZiB0aGlzIGlzIGFuIElucXVpcnkgUmVzdWx0IGV2ZW50LCBpdCdzIGFsc28KICAgICAgICAgICAgICogaW50ZXJwcmV0ZWQgYnkgTGludXgga2VybmVsIGJlZm9yZSB3ZSByZWNlaXZlZCBpdCwgcG9zc2libHkKICAgICAgICAgICAgICogd2Ugc2hvdWxkIGNsZWFuIHRoZSBrZXJuZWwgSW5xdWlyeSBjYWNoZSB0aHJvdWdoCiAgICAgICAgICAgICAqIGlvY3RsKHMtPmZkLCBIQ0lfSU5RVUlSWSwgLi4uKS4gICovCiAgICAgICAgICAgIGJyZWFrOwoKICAgICAgICBjYXNlIEhDSV9BQ0xEQVRBX1BLVDoKICAgICAgICAgICAgaWYgKHMtPmxlbiA8IDQpCiAgICAgICAgICAgICAgICBnb3RvIGJhZF9wa3Q7CgogICAgICAgICAgICBwa3RsZW4gPSBNSU4oKChwa3RbM10gPDwgOCkgfCBwa3RbMl0pICsgNCwgcy0+bGVuKTsKICAgICAgICAgICAgcy0+aGNpLmFjbF9yZWN2KHMtPmhjaS5vcGFxdWUsIHBrdCwgcGt0bGVuKTsKICAgICAgICAgICAgcy0+bGVuIC09IHBrdGxlbjsKICAgICAgICAgICAgcGt0ICs9IHBrdGxlbjsKICAgICAgICAgICAgYnJlYWs7CgogICAgICAgIGNhc2UgSENJX1NDT0RBVEFfUEtUOgogICAgICAgICAgICBpZiAocy0+bGVuIDwgMykKICAgICAgICAgICAgICAgIGdvdG8gYmFkX3BrdDsKCiAgICAgICAgICAgIHBrdGxlbiA9IE1JTihwa3RbMl0gKyAzLCBzLT5sZW4pOwogICAgICAgICAgICBzLT5sZW4gLT0gcGt0bGVuOwogICAgICAgICAgICBw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