this( file, append, append ? SmbFile.O_CREAT | SmbFile.O_WRONLY | SmbFile.O_APPEND :
                                    SmbFile.O_CREAT | SmbFile.O_WRONLY | SmbFile.O_TRUNC );
    }
/**
 * Creates an {@link java.io.OutputStream} for writing bytes to a file
 * on an SMB server addressed by the <code>SmbFile</code> parameter. See

        this(
            file,
            append,
            append ? SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_APPEND
                    : SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC,
            0,
            SmbConstants.DEFAULT_SHARING);
    }


    SmbFileOutputStream ( SmbFile file, boolean append, int openFlags, int access, int sharing ) throws SmbException {
        this.file = file;

        mac.update(data); // data
        byte[] dgst = mac.digest();
        byte[] trunc = new byte[8];
        System.arraycopy(dgst, 0, trunc, 0, 8);

        if ( log.isDebugEnabled() ) {
            log.debug("Digest " + Hexdump.toHexString(dgst));
            log.debug("Truncated " + Hexdump.toHexString(trunc));
        }

        if ( ( this.ntlmsspFlags & NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH ) != 0 ) {

        // openFunction
        if(( flags & SmbFile.O_TRUNC ) == SmbFile.O_TRUNC ) {
            // truncate the file
            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary
                openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;
            } else {
                openFunction = OPEN_FN_TRUNC;
            }
        } else {
            // don't truncate the file

    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists
    static final int O_EXCL = 0x0020;
    // truncate if the file exists
    static final int O_TRUNC = 0x0040;

        this.access = (openFlags >>> 16) & 0xFFFF;
        if (file.type != SmbFile.TYPE_NAMED_PIPE) {
            file.open( openFlags, access, SmbFile.ATTR_NORMAL, 0 );
            this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC);
        } else {
            file.connect0();
        }
        readSize = Math.min( file.tree.session.transport.rcv_buf_size - 70,
                            file.tree.session.transport.server.maxBufferSize - 70 );

            if ( file.getType() != SmbConstants.TYPE_NAMED_PIPE ) {
                try ( SmbFileHandle h = ensureOpen() ) {}
                this.openFlags &= ~ ( SmbConstants.O_CREAT | SmbConstants.O_TRUNC );
            }

            init(th);
        }
        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    /**
     * @throws SmbException

        this.extFileAttributes = extFileAttributes;

        // shareAccess
        this.shareAccess = shareAccess;

        // createDisposition
        if(( flags & SmbFile.O_TRUNC ) == SmbFile.O_TRUNC ) {
            // truncate the file
            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary
                createDisposition = FILE_OVERWRITE_IF;

        try {
            return dest.openUnshared(
                SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC,
                SmbConstants.FILE_WRITE_DATA | SmbConstants.FILE_WRITE_ATTRIBUTES | ( alsoRead ? SmbConstants.FILE_READ_DATA : 0 ),
                SmbConstants.FILE_NO_SHARE,
                attrs,
                0);

        if ( ( flags & SmbConstants.O_TRUNC ) == SmbConstants.O_TRUNC ) {
            // truncate the file
            if ( ( flags & SmbConstants.O_CREAT ) == SmbConstants.O_CREAT ) {
                // create it if necessary
                this.openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;
            }
            else {
                this.openFunction = OPEN_FN_TRUNC;
            }
        }
        else {