// SPDX-FileCopyrightText: Ericsson AB 1998-2013. All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
#include <string.h>
#include "eidef.h"
#include "eiext.h"
#include "putget.h"

int ei_encode_port(char *buf, int *index, const erlang_port *p)
{
  char *s = buf + *index;

  ++(*index); /* skip ERL_PORT_EXT */
  if (ei_encode_atom_len_as(buf, index, p->node, strlen(p->node), ERLANG_UTF8,
			    ERLANG_LATIN1|ERLANG_UTF8) < 0) {
      return -1;
  }
  if (buf) {
    put8(s,ERL_PORT_EXT);

    s = buf + *index;

    /* now the integers */
    put32be(s,p->id & 0x0fffffff /* 28 bits */);
    put8(s,(p->creation & 0x03));
  }
  
  *index += 4 + 1;
  return 0;
}