if (path.segments.length == 0) {
            return this;
        }
        String[] concat = new String[segments.length + path.segments.length];
        System.arraycopy(segments, 0, concat, 0, segments.length);
        System.arraycopy(path.segments, 0, concat, segments.length, path.segments.length);
        return new Path(concat, absolute);
    }

    public String getPath() {
        if (fullPath == null) {

                4.times {
                    // exponential grow to make it fail faster
                    Class[] dup = new Class[classes.length * 2]
                    System.arraycopy(classes, 0, dup, 0, classes.length)
                    System.arraycopy(classes, 0, dup, classes.length, classes.length)
                    classes = dup
                }
                i++
            }
        } catch (OutOfMemoryError e) {

            SMBUtil.writeInt4(this.signSequence, data, index);
            update(data, offset, length);
            System.arraycopy(digest(), 0, data, index, 8);
            if ( this.bypass ) {
                this.bypass = false;
                System.arraycopy("BSRSPYL ".getBytes(), 0, data, index, 8);
            }
        }
        catch ( Exception ex ) {
            log.error("Signature failed", ex);

            return new AndSpec<T>(specs);
        }
        Spec<? super T>[] combinedSpecs = uncheckedCast(ObjectArrays.newArray(Spec.class, thisLength + specs.length));
        System.arraycopy(thisSpecs, 0, combinedSpecs, 0, thisLength);
        System.arraycopy(specs, 0, combinedSpecs, thisLength, specs.length);
        return new AndSpec<T>(combinedSpecs);
    }

    /**
     * Typed and() method for a single {@link Spec}.
     *

        if ( this.blob != null ) {
            System.arraycopy(this.blob, 0, dst, dstIndex, this.blob.length);
            dstIndex += this.blob.length;
        }
        else {
            System.arraycopy(this.lmHash, 0, dst, dstIndex, this.lmHash.length);
            dstIndex += this.lmHash.length;
            System.arraycopy(this.ntHash, 0, dst, dstIndex, this.ntHash.length);

        int start = bufferIndex;

        if ((server.capabilities & CAP_EXTENDED_SECURITY) == 0) {
            server.encryptionKey = new byte[server.encryptionKeyLength];
            System.arraycopy( buffer, bufferIndex,
                    server.encryptionKey, 0, server.encryptionKeyLength );
            bufferIndex += server.encryptionKeyLength;
            if( byteCount > server.encryptionKeyLength ) {

                }
                foundEnd = true;
                break;
            }

            byte[] raw = new byte[avLen];
            System.arraycopy(data, pos, raw, 0, avLen);
            pairs.add(parseAvPair(avId, raw));

            pos += avLen;
        }
        if ( !foundEnd ) {
            throw new CIFSException("Missing AvEOL");
        }

        numberOfNames = src[srcIndex++] & 0xFF;
        // gotta read the mac first so we can populate addressArray with it
        System.arraycopy( src, srcIndex + namesLength, macAddress, 0, 6 );
        srcIndex += readNodeNameArray( src, srcIndex );
        stats = new byte[statsLength];
        System.arraycopy( src, srcIndex, stats, 0, statsLength );
        srcIndex += statsLength;
        return srcIndex - start;
    }

            System.arraycopy( buffer, bufferIndex, txn_buf,
                            bufParameterStart + parameterDisplacement, parameterCount );
            bufferIndex += parameterCount;
        }
        if( dataCount > 0 ) {
            bufferIndex += pad1 = dataOffset - ( bufferIndex - headerStart );
            System.arraycopy( buffer, bufferIndex, txn_buf,

    Object[] array = new Object[paramCount + others.length];
    arrayCopy(array, 0, e1, e2, e3, e4, e5, e6, e7, e8, e9, e10, e11, e12);
    arrayCopy(array, paramCount, others);
    return new RegularImmutableList<E>(ImmutableList.<E>nullCheckedList(array));
  }

  private static void arrayCopy(Object[] dest, int pos, Object... source) {
    System.arraycopy(source, 0, dest, pos, source.length);
  }