}

    int writeWireFormat(final byte[] dst, final int dstIndex) {
        // write 0x20 in first byte
        dst[dstIndex] = 0x20;

        final byte tmp[] = Strings.getOEMBytes(this.name, this.config);
        int i;
        for (i = 0; i < tmp.length; i++) {
            dst[dstIndex + 2 * i + 1] = (byte) (((tmp[i] & 0xF0) >> 4) + 0x41);

     *
     * @param str the string to encode
     * @param config the configuration providing the OEM encoding
     * @return the string as bytes
     */
    public static byte[] getOEMBytes(final String str, final Configuration config) {
        if (str == null) {
            return new byte[0];
        }
        try {
            return str.getBytes(config.getOemEncoding());

    }

    @Test
    @DisplayName("writeBytesWireFormat with null path returns minimal bytes")
    void testWriteWhenPathIsNull() {
        // When path is null, Strings.getOEMBytes returns empty array, not NPE
        when(mockConfig.getOemEncoding()).thenReturn("windows-1252");
        SmbComQueryInformation nullPathCmd = new SmbComQueryInformation(mockConfig, null);
        byte[] buffer = new byte[50];