Ly8gQ29weXJpZ2h0IDIwMTcgUERGaXVtIEF1dGhvcnMuIEFsbCByaWdodHMgcmVzZXJ2ZWQuCi8vIFVzZSBvZiB0aGlzIHNvdXJjZSBjb2RlIGlzIGdvdmVybmVkIGJ5IGEgQlNELXN0eWxlIGxpY2Vuc2UgdGhhdCBjYW4gYmUKLy8gZm91bmQgaW4gdGhlIExJQ0VOU0UgZmlsZS4KCi8vIE9yaWdpbmFsIGNvZGUgY29weXJpZ2h0IDIwMTQgRm94aXQgU29mdHdhcmUgSW5jLiBodHRwOi8vd3d3LmZveGl0c29mdHdhcmUuY29tCgojaW5jbHVkZSAiY29yZS9meGNvZGVjL2dpZi9jZnhfbHp3ZGVjb21wcmVzc29yLmgiCgojaW5jbHVkZSA8YWxnb3JpdGhtPgojaW5jbHVkZSA8Y3N0cmluZz4KI2luY2x1ZGUgPG1lbW9yeT4KI2luY2x1ZGUgPHV0aWxpdHk+CgojaW5jbHVkZSAiY29yZS9meGNydC9meF9zYWZlX3R5cGVzLmgiCiNpbmNsdWRlICJ0aGlyZF9wYXJ0eS9iYXNlL251bWVyaWNzL3NhZmVfbWF0aC5oIgojaW5jbHVkZSAidGhpcmRfcGFydHkvYmFzZS9wdHJfdXRpbC5oIgoKc3RkOjp1bmlxdWVfcHRyPENGWF9MWldEZWNvbXByZXNzb3I+IENGWF9MWldEZWNvbXByZXNzb3I6OkNyZWF0ZSgKICAgIHVpbnQ4X3QgY29sb3JfZXhwLAogICAgdWludDhfdCBjb2RlX2V4cCkgewogIC8vIHxjb2xvcl9leHB8IGdlbmVyYXRlcyAyXihuICsgMSkgY29kZXMsIHdoZXJlIGFzIHRoZSBjb2RlX2V4cCByZXNlcnZlcyAyXm4uCiAgLy8gVGhpcyBpcyBhIHF1aXJrIG9mIHRoZSBHSUYgc3BlYy4KICBpZiAoY29kZV9leHAgPiBHSUZfTUFYX0xaV19FWFAgfHwgY29kZV9leHAgPCBjb2xvcl9leHAgKyAxKQogICAgcmV0dXJuIG51bGxwdHI7CgogIC8vIFByaXZhdGUgY3Rvci4KICByZXR1cm4gcGRmaXVtOjpXcmFwVW5pcXVlKG5ldyBDRlhfTFpXRGVjb21wcmVzc29yKGNvbG9yX2V4cCwgY29kZV9leHApKTsKfQoKQ0ZYX0xaV0RlY29tcHJlc3Nvcjo6Q0ZYX0xaV0RlY29tcHJlc3Nvcih1aW50OF90IGNvbG9yX2V4cCwgdWludDhfdCBjb2RlX2V4cCkKICAgIDogY29kZV9zaXplXyhjb2RlX2V4cCksCiAgICAgIGNvZGVfY29sb3JfZW5kXyhzdGF0aWNfY2FzdDx1aW50MTZfdD4oMSA8PCAoY29sb3JfZXhwICsgMSkpKSwKICAgICAgY29kZV9jbGVhcl8oc3RhdGljX2Nhc3Q8dWludDE2X3Q+KDEgPDwgY29kZV9leHApKSwKICAgICAgY29kZV9lbmRfKHN0YXRpY19jYXN0PHVpbnQxNl90PigoMSA8PCBjb2RlX2V4cCkgKyAxKSkge30KCkNGWF9MWldEZWNvbXByZXNzb3I6On5DRlhfTFpXRGVjb21wcmVzc29yKCkgPSBkZWZhdWx0OwoKQ0ZYX0dpZkRlY29kZVN0YXR1cyBDRlhfTFpXRGVjb21wcmVzc29yOjpEZWNvZGUoY29uc3QgdWludDhfdCogc3JjX2J1ZiwKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdWludDMyX3Qgc3JjX3NpemUsCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHVpbnQ4X3QqIGRlc3RfYnVmLAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICB1aW50MzJfdCogZGVzdF9zaXplKSB7CiAgaWYgKCFzcmNfYnVmIHx8IHNyY19zaXplID09IDAgfHwgIWRlc3RfYnVmIHx8ICFkZXN0X3NpemUpCiAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CgogIGlmICgqZGVzdF9zaXplID09IDApCiAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6SW5zdWZmaWNpZW50RGVzdFNpemU7CgogIG5leHRfaW5fID0gc3JjX2J1ZjsKICBhdmFpbF9pbl8gPSBzcmNfc2l6ZTsKCiAgQ2xlYXJUYWJsZSgpOwoKICB1aW50MzJfdCBpID0gMDsKICBpZiAoZGVjb21wcmVzc2VkX25leHRfICE9IDApIHsKICAgIHVpbnQzMl90IGV4dHJhY3RlZF9zaXplID0gRXh0cmFjdERhdGEoZGVzdF9idWYsICpkZXN0X3NpemUpOwogICAgaWYgKGRlY29tcHJlc3NlZF9uZXh0XyAhPSAwKQogICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6SW5zdWZmaWNpZW50RGVzdFNpemU7CgogICAgZGVzdF9idWYgKz0gZXh0cmFjdGVkX3NpemU7CiAgICBpICs9IGV4dHJhY3RlZF9zaXplOwogIH0KCiAgd2hpbGUgKGkgPD0gKmRlc3Rfc2l6ZSAmJiAoYXZhaWxfaW5fID4gMCB8fCBiaXRzX2xlZnRfID49IGNvZGVfc2l6ZV9jdXJfKSkgewogICAgaWYgKGNvZGVfc2l6ZV9jdXJfID4gR0lGX01BWF9MWldfRVhQKQogICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CgogICAgaWYgKGF2YWlsX2luXyA+IDApIHsKICAgICAgaWYgKGJpdHNfbGVmdF8gPiAzMSkKICAgICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CgogICAgICBGWF9TQUZFX1VJTlQzMiBzYWZlX2NvZGUgPSAqbmV4dF9pbl8rKzsKICAgICAgc2FmZV9jb2RlIDw8PSBiaXRzX2xlZnRfOwogICAgICBzYWZlX2NvZGUgfD0gY29kZV9zdG9yZV87CiAgICAgIGlmICghc2FmZV9jb2RlLklzVmFsaWQoKSkKICAgICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CgogICAgICBjb2RlX3N0b3JlXyA9IHNhZmVfY29kZS5WYWx1ZU9yRGllKCk7CiAgICAgIC0tYXZhaWxfaW5fOwogICAgICBiaXRzX2xlZnRfICs9IDg7CiAgICB9CgogICAgd2hpbGUgKGJpdHNfbGVmdF8gPj0gY29kZV9zaXplX2N1cl8pIHsKICAgICAgdWludDE2X3QgY29kZSA9CiAgICAgICAgICBzdGF0aWNfY2FzdDx1aW50MTZfdD4oY29kZV9zdG9yZV8pICYgKCgxIDw8IGNvZGVfc2l6ZV9jdXJfKSAtIDEpOwogICAgICBjb2RlX3N0b3JlXyA+Pj0gY29kZV9zaXplX2N1cl87CiAgICAgIGJpdHNfbGVmdF8gLT0gY29kZV9zaXplX2N1cl87CiAgICAgIGlmIChjb2RlID09IGNvZGVfY2xlYXJfKSB7CiAgICAgICAgQ2xlYXJUYWJsZSgpOwogICAgICAgIGNvbnRpbnVlOwogICAgICB9CiAgICAgIGlmIChjb2RlID09IGNvZGVfZW5kXykgewogICAgICAgICpkZXN0X3NpemUgPSBpOwogICAgICAgIHJldHVybiBDRlhfR2lmRGVjb2RlU3RhdHVzOjpTdWNjZXNzOwogICAgICB9CgogICAgICBpZiAoY29kZV9vbGRfICE9IHN0YXRpY19jYXN0PHVpbnQxNl90PigtMSkpIHsKICAgICAgICBpZiAoY29kZV9uZXh0XyA8IEdJRl9NQVhfTFpXX0NPREUpIHsKICAgICAgICAgIGlmIChjb2RlID09IGNvZGVfbmV4dF8pIHsKICAgICAgICAgICAgQWRkQ29kZShjb2RlX29sZF8sIGNvZGVfZmlyc3RfKTsKICAgICAgICAgICAgaWYgKCFEZWNvZGVTdHJpbmcoY29kZSkpCiAgICAgICAgICAgICAgcmV0dXJuIENGWF9HaWZEZWNvZGVTdGF0dXM6OkVycm9yOwogICAgICAgICAgfSBlbHNlIGlmIChjb2RlID4gY29kZV9uZXh0XykgewogICAgICAgICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CiAgICAgICAgICB9IGVsc2UgewogICAgICAgICAgICBpZiAoIURlY29kZVN0cmluZyhjb2RlKSkKICAgICAgICAgICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CgogICAgICAgICAgICB1aW50OF90IGFwcGVuZF9jaGFyID0gZGVjb21wcmVzc2VkX1tkZWNvbXByZXNzZWRfbmV4dF8gLSAxXTsKICAgICAgICAgICAgQWRkQ29kZShjb2RlX29sZF8sIGFwcGVuZF9jaGFyKTsKICAgICAgICAgIH0KICAgICAgICB9CiAgICAgIH0gZWxzZSB7CiAgICAgICAgaWYgKCFEZWNvZGVTdHJpbmcoY29kZSkpCiAgICAgICAgICByZXR1cm4gQ0ZYX0dpZkRlY29kZVN0YXR1czo6RXJyb3I7CiAgICAgIH0KCiAgICAgIGNvZGVfb2xkXyA9IGNvZGU7CiAgICAgIHVpbnQzMl90IGV4dHJhY3RlZF9zaXplID0gRXh0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