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Diffstat (limited to 'lib/erl_interface/src/legacy/erl_marshal.c')
-rw-r--r--lib/erl_interface/src/legacy/erl_marshal.c199
1 files changed, 147 insertions, 52 deletions
diff --git a/lib/erl_interface/src/legacy/erl_marshal.c b/lib/erl_interface/src/legacy/erl_marshal.c
index a4216c9541..ebb6b78540 100644
--- a/lib/erl_interface/src/legacy/erl_marshal.c
+++ b/lib/erl_interface/src/legacy/erl_marshal.c
@@ -120,10 +120,13 @@ void erl_init_marshal(void)
cmp_array[ERL_SMALL_ATOM_UTF8_EXT] = ERL_ATOM_CMP;
cmp_array[ERL_REFERENCE_EXT] = ERL_REF_CMP;
cmp_array[ERL_NEW_REFERENCE_EXT] = ERL_REF_CMP;
+ cmp_array[ERL_NEWER_REFERENCE_EXT]=ERL_REF_CMP;
cmp_array[ERL_FUN_EXT] = ERL_FUN_CMP;
cmp_array[ERL_NEW_FUN_EXT] = ERL_FUN_CMP;
cmp_array[ERL_PORT_EXT] = ERL_PORT_CMP;
+ cmp_array[ERL_NEW_PORT_EXT] = ERL_PORT_CMP;
cmp_array[ERL_PID_EXT] = ERL_PID_CMP;
+ cmp_array[ERL_NEW_PID_EXT] = ERL_PID_CMP;
cmp_array[ERL_SMALL_TUPLE_EXT] = ERL_TUPLE_CMP;
cmp_array[ERL_LARGE_TUPLE_EXT] = ERL_TUPLE_CMP;
cmp_array[ERL_NIL_EXT] = ERL_NIL_CMP;
@@ -304,8 +307,8 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist)
*(*ext)++ = ul & 0xff;
return 0;
- case ERL_PID:
- *(*ext)++ = ERL_PID_EXT;
+ case ERL_PID: {
+ unsigned char* tagp = (*ext)++;
/* First poke in node as an atom */
encode_atom(&ep->uval.pidval.node, ext);
/* And then fill in the integer fields */
@@ -319,17 +322,29 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist)
*(*ext)++ = (i >> 16) &0xff;
*(*ext)++ = (i >> 8) &0xff;
*(*ext)++ = i &0xff;
- *(*ext)++ = ERL_PID_CREATION(ep);
+
+ i = ERL_PID_CREATION(ep);
+ if ((unsigned int)i <= 3) {
+ *tagp = ERL_PID_EXT;
+ *(*ext)++ = i;
+ } else {
+ *tagp = ERL_NEW_PID_EXT;
+ *(*ext)++ = (i >> 24) &0xff;
+ *(*ext)++ = (i >> 16) &0xff;
+ *(*ext)++ = (i >> 8) &0xff;
+ *(*ext)++ = i &0xff;
+ }
return 0;
+ }
case ERL_REF: {
+ unsigned char* tagp = (*ext)++;
+
int len, j;
/* Always encode as an extended reference; all
participating parties are now expected to be
able to decode extended references. */
- *(*ext)++ = ERL_NEW_REFERENCE_EXT;
-
i = strlen((char *)ERL_REF_NODE(ep));
len = ERL_REF_LEN(ep);
*(*ext)++ = (len >> 8) &0xff;
@@ -337,7 +352,18 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist)
encode_atom(&ep->uval.refval.node, ext);
- *(*ext)++ = ERL_REF_CREATION(ep);
+ i = ERL_REF_CREATION(ep);
+ if ((unsigned int)i <= 3) {
+ *tagp = ERL_NEW_REFERENCE_EXT;
+ *(*ext)++ = i;
+ } else {
+ *tagp = ERL_NEWER_REFERENCE_EXT;
+ *(*ext)++ = (i >> 24) &0xff;
+ *(*ext)++ = (i >> 16) &0xff;
+ *(*ext)++ = (i >> 8) &0xff;
+ *(*ext)++ = i &0xff;
+ }
+
/* Then the integer fields */
for (j = 0; j < ERL_REF_LEN(ep); j++) {
i = ERL_REF_NUMBERS(ep)[j];
@@ -348,8 +374,8 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist)
}
}
return 0;
- case ERL_PORT:
- *(*ext)++ = ERL_PORT_EXT;
+ case ERL_PORT: {
+ unsigned char* tagp = (*ext)++;
/* First poke in node as an atom */
encode_atom(&ep->uval.portval.node, ext);
/* Then the integer fields */
@@ -358,8 +384,20 @@ int erl_encode_it(ETERM *ep, unsigned char **ext, int dist)
*(*ext)++ = (i >> 16) &0xff;
*(*ext)++ = (i >> 8) &0xff;
*(*ext)++ = i &0xff;
- *(*ext)++ = ERL_PORT_CREATION(ep);
+
+ i = ERL_PORT_CREATION(ep);
+ if ((unsigned int)i <= 3) {
+ *tagp = ERL_PORT_EXT;
+ *(*ext)++ = i;
+ } else {
+ *tagp = ERL_NEW_PORT_EXT;
+ *(*ext)++ = (i >> 24) &0xff;
+ *(*ext)++ = (i >> 16) &0xff;
+ *(*ext)++ = (i >> 8) &0xff;
+ *(*ext)++ = i &0xff;
+ }
return 0;
+ }
case ERL_EMPTY_LIST:
*(*ext)++ = ERL_NIL_EXT;
break;
@@ -698,12 +736,14 @@ static ETERM *erl_decode_it(unsigned char **ext)
unsigned int u,sign;
int i,j,arity;
double ff;
+ unsigned char tag;
/* Assume we are going to decode an integer */
ep = erl_alloc_eterm(ERL_INTEGER);
ERL_COUNT(ep) = 1;
- switch (*(*ext)++)
+ tag = *(*ext)++;
+ switch (tag)
{
case ERL_INTEGER_EXT:
i = (int) (**ext << 24) | ((*ext)[1] << 16) |
@@ -801,9 +841,10 @@ static ETERM *erl_decode_it(unsigned char **ext)
return ep;
case ERL_PID_EXT:
+ case ERL_NEW_PID_EXT:
{
unsigned int number, serial;
- unsigned char creation;
+ unsigned int creation;
ERL_TYPE(ep) = ERL_PID;
if (read_atom(ext, &ep->uval.pidval.node) < 0) return NULL;
@@ -815,7 +856,13 @@ static ETERM *erl_decode_it(unsigned char **ext)
serial = ((*ext)[0] << 24) | ((*ext)[1]) << 16 |
((*ext)[2]) << 8 | ((*ext)[3]);
*ext += 4;
- creation = *(*ext)++;
+ if (tag == ERL_PID_EXT)
+ creation = *(*ext)++;
+ else {
+ creation = ((*ext)[0] << 24) | ((*ext)[1]) << 16 |
+ ((*ext)[2]) << 8 | ((*ext)[3]);
+ *ext += 4;
+ }
erl_mk_pid_helper(ep, number, serial, creation);
return ep;
}
@@ -836,11 +883,12 @@ static ETERM *erl_decode_it(unsigned char **ext)
return ep;
}
- case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEWER_REFERENCE_EXT:
{
size_t cnt, i;
unsigned int n[3];
- unsigned char creation;
+ unsigned int creation;
ERL_TYPE(ep) = ERL_REF;
cnt = ((*ext)[0] << 8) | (*ext)[1];
@@ -849,7 +897,13 @@ static ETERM *erl_decode_it(unsigned char **ext)
if (read_atom(ext, &ep->uval.refval.node) < 0) return NULL;
/* get the integers */
- creation = *(*ext)++;
+ if (tag == ERL_NEW_REFERENCE_EXT)
+ creation = *(*ext)++;
+ else {
+ creation = ((*ext)[0] << 24) | ((*ext)[1]) << 16 |
+ ((*ext)[2]) << 8 | ((*ext)[3]);
+ *ext += 4;
+ }
for(i = 0; i < cnt; i++)
{
n[i] = ((*ext)[0] << 24) | ((*ext)[1]) << 16 |
@@ -861,9 +915,10 @@ static ETERM *erl_decode_it(unsigned char **ext)
}
case ERL_PORT_EXT:
+ case ERL_NEW_PORT_EXT:
{
unsigned int number;
- unsigned char creation;
+ unsigned int creation;
ERL_TYPE(ep) = ERL_PORT;
if (read_atom(ext, &ep->uval.portval.node) < 0) return NULL;
@@ -872,7 +927,13 @@ static ETERM *erl_decode_it(unsigned char **ext)
number = ((*ext)[0] << 24) | ((*ext)[1]) << 16 |
((*ext)[2]) << 8 | ((*ext)[3]);
*ext += 4;
- creation = *(*ext)++;
+ if (tag == ERL_PORT_EXT)
+ creation = *(*ext)++;
+ else {
+ creation = (((*ext)[0] << 24) | ((*ext)[1]) << 16 |
+ ((*ext)[2]) << 8 | ((*ext)[3]));
+ *ext += 4;
+ }
erl_mk_port_helper(ep, number, creation);
return ep;
}
@@ -1114,11 +1175,14 @@ unsigned char erl_ext_type(unsigned char *ext)
case ERL_SMALL_ATOM_UTF8_EXT:
return ERL_ATOM;
case ERL_PID_EXT:
+ case ERL_NEW_PID_EXT:
return ERL_PID;
case ERL_PORT_EXT:
+ case ERL_NEW_PORT_EXT:
return ERL_PORT;
case ERL_REFERENCE_EXT:
case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEWER_REFERENCE_EXT:
return ERL_REF;
case ERL_NIL_EXT:
return ERL_EMPTY_LIST;
@@ -1167,9 +1231,12 @@ int erl_ext_size(unsigned char *t)
case ERL_SMALL_ATOM_EXT:
case ERL_SMALL_ATOM_UTF8_EXT:
case ERL_PID_EXT:
+ case ERL_NEW_PID_EXT:
case ERL_PORT_EXT:
+ case ERL_NEW_PORT_EXT:
case ERL_REFERENCE_EXT:
case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEWER_REFERENCE_EXT:
case ERL_NIL_EXT:
case ERL_BINARY_EXT:
case ERL_STRING_EXT:
@@ -1240,8 +1307,9 @@ static int jump(unsigned char **ext)
{
int j,k,i=0;
int n;
+ const int tag = *(*ext)++;
- switch (*(*ext)++) {
+ switch (tag) {
case ERL_VERSION_MAGIC:
return jump(ext);
case ERL_INTEGER_EXT:
@@ -1257,22 +1325,29 @@ static int jump(unsigned char **ext)
jump_atom(ext);
break;
case ERL_PID_EXT:
- /* eat first atom */
if (!jump_atom(ext)) return 0;
- *ext += 9; /* Two int's and the creation field */
+ *ext += 4 + 4 + 1;
break;
+ case ERL_NEW_PID_EXT:
+ if (!jump_atom(ext)) return 0;
+ *ext += 4 + 4 + 4;
+ break;
case ERL_REFERENCE_EXT:
case ERL_PORT_EXT:
- /* first field is an atom */
if (!jump_atom(ext)) return 0;
- *ext += 5; /* One int and the creation field */
+ *ext += 4 + 1;
break;
+ case ERL_NEW_PORT_EXT:
+ if (!jump_atom(ext)) return 0;
+ *ext += 4 + 4;
+ break;
case ERL_NEW_REFERENCE_EXT:
+ case ERL_NEWER_REFERENCE_EXT:
n = (**ext << 8) | (*ext)[1];
*ext += 2;
/* first field is an atom */
if (!jump_atom(ext)) return 0;
- *ext += 4*n+1;
+ *ext += 4*n + (tag == ERL_NEW_REFERENCE_EXT ? 1 : 4);
break;
case ERL_NIL_EXT:
/* We just passed it... */
@@ -1605,7 +1680,6 @@ static int cmp_exe2(unsigned char **e1, unsigned char **e2)
{
int min, ret,i,j,k;
double ff1, ff2;
- unsigned char *tmp1, *tmp2;
unsigned char tag1, tag2;
if ( ((*e1)[0] == ERL_STRING_EXT) && ((*e2)[0] == ERL_LIST_EXT) ) {
@@ -1649,47 +1723,68 @@ static int cmp_exe2(unsigned char **e1, unsigned char **e2)
*e1 += i;
*e2 += j;
return ret;
- case ERL_PID_EXT: {
- unsigned char *n1 = *e1;
- unsigned char *n2 = *e2;
- CMP_EXT_SKIP_ATOM(*e1); CMP_EXT_SKIP_ATOM(*e2);
- *e1 += 9; *e2 += 9;
+ case ERL_PID_EXT:
+ case ERL_NEW_PID_EXT: {
+ erlang_pid pid1, pid2;
+ unsigned char* buf1 = *e1 - 1;
+ unsigned char* buf2 = *e2 - 1;
+ int ix1 = 0, ix2 = 0;
+
+ if (ei_decode_pid((char*)buf1, &ix1, &pid1) ||
+ ei_decode_pid((char*)buf2, &ix2, &pid2))
+ return CMP_EXT_ERROR_CODE;
+
+ *e1 = buf1 + ix1;
+ *e2 = buf2 + ix2;
/* First compare serials ... */
- tmp1 = *e1 - 5; tmp2 = *e2 - 5;
- CMP_EXT_INT32_BE(tmp1, tmp2);
+ if (pid1.serial < pid2.serial) return -1;
+ else if (pid1.serial > pid2.serial) return 1;
/* ... then ids ... */
- tmp1 -= 4; tmp2 -= 4;
- CMP_EXT_INT32_BE(tmp1, tmp2);
+ if (pid1.num < pid2.num) return -1;
+ else if (pid1.num > pid2.num) return 1;
/* ... then node names ... */
- ret = cmp_exe2(&n1, &n2);
- if (ret != 0)
- return ret;
+ j = strcmp(pid1.node, pid2.node);
+ if (j < 0) return -1;
+ else if (j > 0) return 1;
/* ... and then finaly creations. */
- tmp1 += 8; tmp2 += 8;
- if (*tmp1 != *tmp2)
- return *tmp1 < *tmp2 ? -1 : 1;
+ if (pid1.creation < pid2.creation) return -1;
+ else if (pid1.creation > pid2.creation) return 1;
+
return 0;
}
case ERL_PORT_EXT:
- /* First compare node names ... */
- if (!IS_ERL_ATOM(**e1) || !IS_ERL_ATOM(**e2))
- return CMP_EXT_ERROR_CODE;
- ret = cmp_exe2(e1, e2);
- *e1 += 5; *e2 += 5;
- if (ret != 0)
- return ret;
+ case ERL_NEW_PORT_EXT: {
+ erlang_port port1, port2;
+ unsigned char* buf1 = *e1 - 1;
+ unsigned char* buf2 = *e2 - 1;
+ int ix1 = 0, ix2 = 0;
+
+ if (ei_decode_port((char*)buf1, &ix1, &port1) ||
+ ei_decode_port((char*)buf2, &ix2, &port2))
+ return CMP_EXT_ERROR_CODE;
+
+ *e1 = buf1 + ix1;
+ *e2 = buf2 + ix2;
+
+ /* First compare node names ... */
+ j = strcmp(port1.node, port2.node);
+ if (j < 0) return -1;
+ else if (j > 0) return 1;
+
/* ... then creations ... */
- tmp1 = *e1 - 1; tmp2 = *e2 - 1;
- if (*tmp1 != *tmp2)
- return *tmp1 < *tmp2 ? -1 : 1;
+ if (port1.creation < port2.creation) return -1;
+ else if (port1.creation > port2.creation) return 1;
+
/* ... and then finaly ids. */
- tmp1 -= 4; tmp2 -= 4;
- CMP_EXT_INT32_BE(tmp1, tmp2);
- return 0;
+ if (port1.id < port2.id) return -1;
+ else if (port1.id > port2.id) return 1;
+
+ return 0;
+ }
case ERL_NIL_EXT: return 0;
case ERL_LIST_EXT:
i = (**e1 << 24) | ((*e1)[1] << 16) |((*e1)[2] << 8) | (*e1)[3];
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