<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_evc4jlrsdu9qv3fhlt0fogvjbe, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

set flag LeanMode.

p {
  ByteCountingLineReader r = new(new ByteArrayInputStream(toUtf8("Hello\r\nWorld\n")));
  
  while (!r.ended()) {
    long count = r.byteCount();
    System.out.println("Line at byte " + count + ": " + r.readLine());
  }
  r.close();
}

static class ByteCountingLineReader implements Closeable { 
  InputStream in;
  long _byteCount;
  int bufferedByte = -1;
  boolean ended;
  
  // in should be a buffered stream!
  ByteCountingLineReader(InputStream in) {
    this.in = in;
  }
  
  ByteCountingLineReader(File f) {
    in = bufferedInputStream(f);
  }
  
  String readLine() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    if (ended) null;
    while true {
      int c = read();
      if (ended && baos.isEmpty()) null;
      if (ended || c == '\n') break;
      if (c == '\r') {
        c = read();
        if (c != '\n' && !ended)
          bufferedByte = c;
        break;
      }
      baos.write(c);
    }
    return fromUtf8(baos.toByteArray());
  }
  
  int read() throws IOException {
    if (bufferedByte >= 0) {
      int b = bufferedByte;
      bufferedByte = -1;
      return b;
    }
    int c = in.read();
    if (c < 0) ended = true;
    ++_byteCount;
    return c;
  }
  
  long byteCount() {
    return bufferedByte >= 0 ? _byteCount-1 : _byteCount;
  }
  
  public void close() throws IOException {
    if (in != null) try {
      in.close();
    } finally { in = null; }
  }
  
  bool ended() { ret ended; }
}