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-rw-r--r--lib/erl_interface/src/encode/encode_port.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/erl_interface/src/encode/encode_port.c b/lib/erl_interface/src/encode/encode_port.c
index 0fb4018db1..eb464380c0 100644
--- a/lib/erl_interface/src/encode/encode_port.c
+++ b/lib/erl_interface/src/encode/encode_port.c
@@ -25,6 +25,7 @@
int ei_encode_port(char *buf, int *index, const erlang_port *p)
{
char *s = buf + *index;
+ const char tag = p->creation > 3 ? ERL_NEW_PORT_EXT : ERL_PORT_EXT;
++(*index); /* skip ERL_PORT_EXT */
if (ei_encode_atom_len_as(buf, index, p->node, strlen(p->node), ERLANG_UTF8,
@@ -32,15 +33,19 @@ int ei_encode_port(char *buf, int *index, const erlang_port *p)
return -1;
}
if (buf) {
- put8(s, ERL_NEW_PORT_EXT);
+ put8(s, tag);
s = buf + *index;
/* now the integers */
put32be(s,p->id & 0x0fffffff /* 28 bits */);
- put32be(s, p->creation);
+ if (tag == ERL_PORT_EXT) {
+ put8(s,(p->creation & 0x03));
+ } else {
+ put32be(s, p->creation);
+ }
}
- *index += 4 + 4;
+ *index += 4 + (tag == ERL_PORT_EXT ? 1 : 4);
return 0;
}