/**
     * Return the byte or character offset into the input source this location
     * is pointing to. If the input source is a file or a byte stream then
     * this is the byte offset into that stream, but if the input source is
     * a character media then the offset is the character offset.
     * Returns -1 if there is no offset available.
     * @return the current offset
     */
    int getCharacterOffset();

    /**

        this.offset = offset;
        this.maxCount = minCount = maxCount;
        command = SMB_COM_READ_ANDX;
        openTimeout = 0xFFFFFFFF;
    }

    void setParam(final int fid, final long offset, final int maxCount) {
        this.fid = fid;
        this.offset = offset;
        this.maxCount = minCount = maxCount;
    }

    @Override
    int getBatchLimit(final byte command) {

        // Validate input parameters
        if (data == null) {
            log.error("Data buffer is null in verify");
            return false;
        }
        if (offset < 0 || length < 0) {
            log.error("Invalid offset or length in verify: offset={}, length={}", offset, length);
            return false;

	{dataBlocks: 4, onDisks: 8, offDisks: 2, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 2, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},                 // 2

            Smb2Lock lock3 = new Smb2Lock(500L, 600L, 4);

            int offset = 0;
            offset += lock1.encode(buffer, offset);
            offset += lock2.encode(buffer, offset);
            offset += lock3.encode(buffer, offset);

            assertEquals(72, offset); // 3 * 24

            // Verify first lock
            assertEquals(100L, SMBUtil.readInt8(buffer, 0));

     * @param offset the offset in the buffer where data starts
     * @param len the length of data to digest
     */
    public void update(final byte[] input, final int offset, final int len) {
        if (LogStream.level >= 5) {
            log.println("update: " + updates + " " + offset + ":" + len);
            Hexdump.hexdump(log, input, offset, Math.min(len, 256));
            log.flush();

    @Override
    public String toString() {
        return ("SmbComReadAndX[" + super.toString() + ",fid=" + this.fid + ",offset=" + this.offset + ",maxCount=" + this.maxCount
                + ",minCount=" + this.minCount + ",openTimeout=" + this.openTimeout + ",remaining=" + this.remaining + ",offset="
                + this.offset + "]");
    }

        // Encode test data at offset
        int offset = bufferIndex;
        SMBUtil.writeInt4(idFileSystem, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4(sectPerAlloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) alloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) free, buffer, offset);
        offset += 4;

        breakReason = readInt4(buffer, offset);
        offset += 4;
        
        // AccessMaskHint (4 bytes)
        accessMaskHint = readInt4(buffer, offset);
        offset += 4;
        
        // ShareAccessHint (4 bytes)
        shareAccessHint = readInt4(buffer, offset);
        offset += 4;
        
        return offset - start;
    }
}
```

### 5.2 Lease Break Acknowledgment
```java

        buffer[offset] = 0x01; // revision
        buffer[offset + 1] = 0x00; // padding
        SMBUtil.writeInt2(0x8004, buffer, offset + 2); // type
        SMBUtil.writeInt4(0, buffer, offset + 4); // owner offset
        SMBUtil.writeInt4(0, buffer, offset + 8); // group offset
        SMBUtil.writeInt4(0, buffer, offset + 12); // SACL offset
        SMBUtil.writeInt4(20, buffer, offset + 16); // DACL offset