oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/tar/binaries/BinaryReferencesIndexLoaderV2.java [39:58]:
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    static Buffer loadBinaryReferencesIndex(ReaderAtEnd reader) throws IOException, InvalidBinaryReferencesIndexException {
        Buffer meta = reader.readAtEnd(FOOTER_SIZE, FOOTER_SIZE);

        int crc32 = meta.getInt();
        int count = meta.getInt();
        int size = meta.getInt();
        int magic = meta.getInt();

        if (magic != MAGIC) {
            throw new InvalidBinaryReferencesIndexException("Invalid magic number");
        }
        if (count < 0) {
            throw new InvalidBinaryReferencesIndexException("Invalid count");
        }
        if (size < count * 22 + 16) {
            throw new InvalidBinaryReferencesIndexException("Invalid size");
        }

        return reader.readAtEnd(size, size);
    }
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oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/tar/binaries/BinaryReferencesIndexLoaderV1.java [39:58]:
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    static Buffer loadBinaryReferencesIndex(ReaderAtEnd reader) throws IOException, InvalidBinaryReferencesIndexException {
        Buffer meta = reader.readAtEnd(FOOTER_SIZE, FOOTER_SIZE);

        int crc32 = meta.getInt();
        int count = meta.getInt();
        int size = meta.getInt();
        int magic = meta.getInt();

        if (magic != MAGIC) {
            throw new InvalidBinaryReferencesIndexException("Invalid magic number");
        }
        if (count < 0) {
            throw new InvalidBinaryReferencesIndexException("Invalid count");
        }
        if (size < count * 22 + 16) {
            throw new InvalidBinaryReferencesIndexException("Invalid size");
        }

        return reader.readAtEnd(size, size);
    }
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