/**
* Ensure that path is capable to hold at least {@code capacity} bytes
*
* @param capacity the amount of bytes to hold
* @param len the amount of live bytes in path buffer
*/
protected void ensurePathCapacity(final int capacity, final int len) {
if (path.length >= capacity) return;
final byte[] o = path;
int current = o.length;
int newCapacity = current;
while (newCapacity < capacity && newCapacity > 0) newCapacity <<= 1;
setPathCapacity(newCapacity, len);
}
/**
* Grow the path buffer larger.
*
* @param len number of live bytes in the path buffer. This many bytes will be moved into the
* larger buffer.
*/
protected void growPath(final int len) {
setPathCapacity(path.length << 1, len);
}
