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Diffstat (limited to 'lib/erl_interface/src/encode/encode_ref.c')
-rw-r--r-- | lib/erl_interface/src/encode/encode_ref.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/erl_interface/src/encode/encode_ref.c b/lib/erl_interface/src/encode/encode_ref.c new file mode 100644 index 0000000000..292b452864 --- /dev/null +++ b/lib/erl_interface/src/encode/encode_ref.c @@ -0,0 +1,59 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1998-2009. 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. + * + * %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; + char *s0 = s; + int len = strlen(p->node); + int i; + + /* 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); + + /* 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; + + /* now the integers */ + put8(s,(p->creation & 0x03)); + for (i = 0; i < p->len; i++) + put32be(s,p->n[i]); + + } + + *index += s-s0; + + return 0; +} + |