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-rw-r--r--lib/erl_interface/src/encode/encode_ref.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/erl_interface/src/encode/encode_ref.c b/lib/erl_interface/src/encode/encode_ref.c
index 0f27a086f0..956a9a7e16 100644
--- a/lib/erl_interface/src/encode/encode_ref.c
+++ b/lib/erl_interface/src/encode/encode_ref.c
@@ -24,6 +24,7 @@
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;
int i;
@@ -36,7 +37,7 @@ int ei_encode_ref(char *buf, int *index, const erlang_ref *p)
/* 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);
+ put8(s, tag);
/* first, number of integers */
put16be(s, p->len);
@@ -45,12 +46,15 @@ int ei_encode_ref(char *buf, int *index, const erlang_ref *p)
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 += p->len*4 + 1;
+ *index += p->len*4 + (tag == ERL_NEW_REFERENCE_EXT ? 1 : 4);
return 0;
}