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authorSverker Eriksson <[email protected]>2015-11-13 16:50:33 +0100
committerSverker Eriksson <[email protected]>2016-04-07 18:41:47 +0200
commit9c80b9ec06fc0ca89dcc8d797a2dbc408a162098 (patch)
tree00920702806a31febc140ebca3850622a93836ff /lib/erl_interface/src/decode
parentbf0bf9cf009fa8ccc7fc364fdbbdeb6f491efe43 (diff)
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erl_interface: Support 32-bit creation for pid,port,refs
Diffstat (limited to 'lib/erl_interface/src/decode')
-rw-r--r--lib/erl_interface/src/decode/decode_pid.c10
-rw-r--r--lib/erl_interface/src/decode/decode_port.c10
-rw-r--r--lib/erl_interface/src/decode/decode_ref.c14
-rw-r--r--lib/erl_interface/src/decode/decode_skip.c3
4 files changed, 27 insertions, 10 deletions
diff --git a/lib/erl_interface/src/decode/decode_pid.c b/lib/erl_interface/src/decode/decode_pid.c
index 7fbb818b31..e5750caba6 100644
--- a/lib/erl_interface/src/decode/decode_pid.c
+++ b/lib/erl_interface/src/decode/decode_pid.c
@@ -27,18 +27,22 @@ int ei_decode_pid(const char *buf, int *index, erlang_pid *p)
{
const char *s = buf + *index;
const char *s0 = s;
+ const char tag = get8(s);
- if (get8(s) != ERL_PID_EXT) return -1;
+ if (tag != ERL_PID_EXT && tag != ERL_NEW_PID_EXT) return -1;
if (p) {
if (get_atom(&s, p->node, NULL) < 0) return -1;
p->num = get32be(s) & 0x7fff; /* 15 bits */
p->serial = get32be(s) & 0x1fff; /* 13 bits */
- p->creation = get8(s) & 0x03; /* 2 bits */
+ if (tag == ERL_PID_EXT)
+ p->creation = get8(s) & 0x03; /* 2 bits */
+ else
+ p->creation = get32be(s); /* 32 bits */
}
else {
if (get_atom(&s, NULL, NULL) < 0) return -1;
- s+= 9;
+ s+= (tag == ERL_PID_EXT ? 9 : 12);
}
*index += s-s0;
diff --git a/lib/erl_interface/src/decode/decode_port.c b/lib/erl_interface/src/decode/decode_port.c
index e039b5b845..7b61f254ff 100644
--- a/lib/erl_interface/src/decode/decode_port.c
+++ b/lib/erl_interface/src/decode/decode_port.c
@@ -26,17 +26,21 @@ int ei_decode_port(const char *buf, int *index, erlang_port *p)
{
const char *s = buf + *index;
const char *s0 = s;
+ const char tag = get8(s);
- if (get8(s) != ERL_PORT_EXT) return -1;
+ if (tag != ERL_PORT_EXT && tag != ERL_NEW_PORT_EXT) return -1;
if (p) {
if (get_atom(&s, p->node, NULL) < 0) return -1;
p->id = get32be(s) & 0x0fffffff /* 28 bits */;
- p->creation = get8(s) & 0x03;
+ if (tag == ERL_PORT_EXT)
+ p->creation = get8(s) & 0x03;
+ else
+ p->creation = get32be(s);
}
else {
if (get_atom(&s, NULL, NULL) < 0) return -1;
- s += 5;
+ s += (tag == ERL_PORT_EXT ? 5 : 8);
}
*index += s-s0;
diff --git a/lib/erl_interface/src/decode/decode_ref.c b/lib/erl_interface/src/decode/decode_ref.c
index a6b87e5a21..b8e1ebfedd 100644
--- a/lib/erl_interface/src/decode/decode_ref.c
+++ b/lib/erl_interface/src/decode/decode_ref.c
@@ -28,8 +28,9 @@ int ei_decode_ref(const char *buf, int *index, erlang_ref *p)
const char *s = buf + *index;
const char *s0 = s;
int count, i;
+ const char tag = get8(s);
- switch (get8(s)) {
+ switch (tag) {
case ERL_REFERENCE_EXT:
if (p) {
if (get_atom(&s, p->node, NULL) < 0) return -1;
@@ -47,18 +48,23 @@ int ei_decode_ref(const char *buf, int *index, erlang_ref *p)
return 0;
break;
- case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEWER_REFERENCE_EXT:
+
/* first the integer count */
count = get16be(s);
if (p) {
p->len = count;
if (get_atom(&s, p->node, NULL) < 0) return -1;
- p->creation = get8(s) & 0x03;
+ if (tag == ERL_NEW_REFERENCE_EXT)
+ p->creation = get8(s) & 0x03;
+ else
+ p->creation = get32be(s);
}
else {
if (get_atom(&s, NULL, NULL) < 0) return -1;
- s += 1;
+ s += (tag == ERL_NEW_REFERENCE_EXT ? 1 : 4);
}
/* finally the id integers */
diff --git a/lib/erl_interface/src/decode/decode_skip.c b/lib/erl_interface/src/decode/decode_skip.c
index d49ae0007f..4ba94a658a 100644
--- a/lib/erl_interface/src/decode/decode_skip.c
+++ b/lib/erl_interface/src/decode/decode_skip.c
@@ -35,12 +35,15 @@ int ei_skip_term(const char* buf, int* index)
NULL, NULL) < 0) return -1;
break;
case ERL_PID_EXT:
+ case ERL_NEW_PID_EXT:
if (ei_decode_pid(buf, index, NULL) < 0) return -1;
break;
case ERL_PORT_EXT:
+ case ERL_NEW_PORT_EXT:
if (ei_decode_port(buf, index, NULL) < 0) return -1;
break;
case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEWER_REFERENCE_EXT:
case ERL_REFERENCE_EXT:
if (ei_decode_ref(buf, index, NULL) < 0) return -1;
break;