Method need

src/main/java/core/org/xbill/DNS/DNSOutput.java:55–67

(int n)

}

private void
need(int n) {
	if (array.length - pos >= n) {
		return;
	}
	int newsize = array.length * 2;
	if (newsize < pos + n) {
		newsize = pos + n;
	}
	byte [] newarray = new byte[newsize];
	System.arraycopy(array, 0, newarray, 0, pos);
	array = newarray;
}

/**
 * Resets the current position of the output stream to the specified index.