path: root/lib/erl_interface/src/legacy/encode_term.c

/*
 * %CopyrightBegin%
 * 
 * Copyright Ericsson AB 1998-2016. 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 "eidef.h"
#include "eiext.h"
#include "putget.h"
#include "ei_x_encode.h"
#include "erl_interface.h"
#include "erl_marshal.h"

/* FIXME: depends on old erl_interface */

int ei_x_encode_term(ei_x_buff* x, void* t)
{
  int i = x->index;
  ei_encode_term(NULL, &i, t);
  if (!x_fix_buff(x, i))
    return -1;
  return ei_encode_term(x->buff, &x->index, t);
}

int ei_encode_term(char *buf, int *index, void *t)
{
  char *s = buf + *index;
  char *s0 = s;

  if (!buf) s += erl_term_len(t) -1; /* -1 for version */
  else {
    /* this encodes all but the version at the start */
    /* and it will move s forward the right number of bytes */
    if (erl_encode_it(t,(unsigned char **)&s, 5)) return -1;
  }
  
  *index += s - s0;
  
  return 0;
}