}
        file.open(openFlags, access, SmbFile.ATTR_NORMAL, options);
        readSize = file.tree.session.transport.rcv_buf_size - 70;
        writeSize = file.tree.session.transport.snd_buf_size - 70;
        fp = 0L;
    }

    /**
     * Reads a single byte from the file at the current file pointer position.
     *
     * @return the byte read as an integer (0-255), or -1 if end of file is reached

        this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC); /* in case close and reopen */
        writeSize = file.tree.session.transport.snd_buf_size - 70;

        useNTSmbs = file.tree.session.transport.hasCapability(SmbConstants.CAP_NT_SMBS);
        if (useNTSmbs) {
            reqx = new SmbComWriteAndX();
            rspx = new SmbComWriteAndXResponse();