diff options
Diffstat (limited to 'lib/erl_interface/src/encode/encode_ref.c')
-rw-r--r-- | lib/erl_interface/src/encode/encode_ref.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/lib/erl_interface/src/encode/encode_ref.c b/lib/erl_interface/src/encode/encode_ref.c index 292b452864..5ccfc32c6d 100644 --- a/lib/erl_interface/src/encode/encode_ref.c +++ b/lib/erl_interface/src/encode/encode_ref.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1998-2009. All Rights Reserved. + * Copyright Ericsson AB 1998-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * 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% */ @@ -23,37 +24,37 @@ int ei_encode_ref(char *buf, int *index, const erlang_ref *p) { + const char tag = (p->creation > 3) ? ERL_NEWER_REFERENCE_EXT : ERL_NEW_REFERENCE_EXT; char *s = buf + *index; - char *s0 = s; - int len = strlen(p->node); 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) s += 1 + 2 + (3+len) + p->len*4 + 1; - else { - put8(s,ERL_NEW_REFERENCE_EXT); + if (buf) { + put8(s, tag); /* first, number of integers */ put16be(s, p->len); /* then the nodename */ - put8(s,ERL_ATOM_EXT); - - put16be(s,len); - - memmove(s, p->node, len); - s += len; + s = buf + *index; /* now the integers */ - put8(s,(p->creation & 0x03)); + if (tag == ERL_NEW_REFERENCE_EXT) + put8(s,(p->creation & 0x03)); + else + put32be(s, p->creation); for (i = 0; i < p->len; i++) put32be(s,p->n[i]); - - } - - *index += s-s0; + } + *index += p->len*4 + (tag == ERL_NEW_REFERENCE_EXT ? 1 : 4); return 0; } |