Method grow

corpus/java/training/guava/io/ReaderInputStream.java:190–196

Returns a new CharBuffer identical to buf, except twice the capacity.

(CharBuffer buf)

  /** Returns a new CharBuffer identical to buf, except twice the capacity. */
  private static CharBuffer grow(CharBuffer buf) {
    char[] copy = Arrays.copyOf(buf.array(), buf.capacity() * 2);
    CharBuffer bigger = CharBuffer.wrap(copy);
    bigger.position(buf.position());
    bigger.limit(buf.limit());
    return bigger;
  }

  /** Handle the case of underflow caused by needing more input characters. */
  private void readMoreChars() throws IOException {