text: /*
   * %CopyrightBegin%
   * 
   * Copyright Ericsson AB 1998-2013. All Rights Reserved.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * 
   * %CopyrightEnd%
   */
  #include <string.h>
  #include "eidef.h"
  #include "eiext.h"
  #include "putget.h"
  
  int ei_encode_ref(char *buf, int *index, const erlang_ref *p)
  {
    char *s = buf + *index;
    int i;
  
    (*index) += 1 + 2; /* skip to node atom */
    if (ei_encode_atom_len_as(buf, index, p->node, strlen(p->node), ERLANG_UTF8,
  			    ERLANG_LATIN1|ERLANG_UTF8) < 0) {
        return -1;
    }
  
    /* Always encode as an extended reference; all participating parties
       are now expected to be able to decode extended references. */
    if (buf) {
  	  put8(s,ERL_NEW_REFERENCE_EXT);
  
  	  /* first, number of integers */
  	  put16be(s, p->len);
  
  	  /* then the nodename */
  	  s = buf + *index;
  
  	  /* now the integers */
  	  put8(s,(p->creation & 0x03));
  	  for (i = 0; i < p->len; i++)
  	      put32be(s,p->n[i]);
    }
    
    *index += p->len*4 + 1;  
    return 0;
  }
  
  