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-rw-r--r--lib/erl_interface/src/connect/ei_connect.c8
-rw-r--r--lib/erl_interface/src/connect/ei_connect_int.h1
-rw-r--r--lib/erl_interface/src/decode/decode_double.c20
-rw-r--r--lib/erl_interface/src/decode/decode_skip.c1
-rw-r--r--lib/erl_interface/src/encode/encode_double.c10
-rw-r--r--lib/erl_interface/src/legacy/decode_term.c1
-rw-r--r--lib/erl_interface/src/legacy/erl_marshal.c29
-rw-r--r--lib/erl_interface/src/misc/ei_decode_term.c13
-rw-r--r--lib/erl_interface/src/misc/ei_printterm.c1
-rw-r--r--lib/erl_interface/src/misc/putget.h28
-rw-r--r--lib/erl_interface/src/misc/show_msg.c1
11 files changed, 85 insertions, 28 deletions
diff --git a/lib/erl_interface/src/connect/ei_connect.c b/lib/erl_interface/src/connect/ei_connect.c
index d2d0a7e7c1..df3c08f412 100644
--- a/lib/erl_interface/src/connect/ei_connect.c
+++ b/lib/erl_interface/src/connect/ei_connect.c
@@ -1323,7 +1323,8 @@ static int send_name_or_challenge(int fd, char *nodename,
put32be(s, (DFLAG_EXTENDED_REFERENCES
| DFLAG_EXTENDED_PIDS_PORTS
| DFLAG_FUN_TAGS
- | DFLAG_NEW_FUN_TAGS));
+ | DFLAG_NEW_FUN_TAGS
+ | DFLAG_NEW_FLOATS));
if (f_chall)
put32be(s, challenge);
memcpy(s, nodename, strlen(nodename));
@@ -1393,6 +1394,11 @@ static int recv_challenge(int fd, unsigned *challenge,
goto error;
}
+ if (!(*flags & DFLAG_NEW_FLOATS)) {
+ EI_TRACE_ERR0("recv_challenge","<- RECV_CHALLENGE peer cannot "
+ "handle binary float encoding");
+ goto error;
+ }
if (getpeername(fd, (struct sockaddr *) &sin, &sin_len) < 0) {
EI_TRACE_ERR0("recv_challenge","<- RECV_CHALLENGE can't get peername");
diff --git a/lib/erl_interface/src/connect/ei_connect_int.h b/lib/erl_interface/src/connect/ei_connect_int.h
index 9926f799df..83ee18256f 100644
--- a/lib/erl_interface/src/connect/ei_connect_int.h
+++ b/lib/erl_interface/src/connect/ei_connect_int.h
@@ -101,6 +101,7 @@ extern int h_errno;
#define DFLAG_FUN_TAGS 16
#define DFLAG_NEW_FUN_TAGS 0x80
#define DFLAG_EXTENDED_PIDS_PORTS 0x100
+#define DFLAG_NEW_FLOATS 0x800
ei_cnode *ei_fd_to_cnode(int fd);
int ei_distversion(int fd);
diff --git a/lib/erl_interface/src/decode/decode_double.c b/lib/erl_interface/src/decode/decode_double.c
index 66dbe474ec..2462032eaa 100644
--- a/lib/erl_interface/src/decode/decode_double.c
+++ b/lib/erl_interface/src/decode/decode_double.c
@@ -26,14 +26,22 @@ int ei_decode_double(const char *buf, int *index, double *p)
{
const char *s = buf + *index;
const char *s0 = s;
- double f;
+ FloatExt f;
- if (get8(s) != ERL_FLOAT_EXT) return -1;
-
- if (sscanf(s, "%lf", &f) != 1) return -1;
+ switch (get8(s)) {
+ case ERL_FLOAT_EXT:
+ if (sscanf(s, "%lf", &f.d) != 1) return -1;
+ s += 31;
+ break;
+ case NEW_FLOAT_EXT:
+ /* IEEE 754 format */
+ f.val = get64be(s);
+ break;
+ default:
+ return -1;
+ }
- s += 31;
- if (p) *p = f;
+ if (p) *p = f.d;
*index += s-s0;
return 0;
}
diff --git a/lib/erl_interface/src/decode/decode_skip.c b/lib/erl_interface/src/decode/decode_skip.c
index 316b5bee98..efe323d0d5 100644
--- a/lib/erl_interface/src/decode/decode_skip.c
+++ b/lib/erl_interface/src/decode/decode_skip.c
@@ -77,6 +77,7 @@ int ei_skip_term(const char* buf, int* index)
if (ei_decode_big(buf, index, NULL) < 0) return -1;
break;
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
if (ei_decode_double(buf, index, NULL) < 0) return -1;
break;
case ERL_FUN_EXT:
diff --git a/lib/erl_interface/src/encode/encode_double.c b/lib/erl_interface/src/encode/encode_double.c
index 53f3d52ba6..1c8cb286f5 100644
--- a/lib/erl_interface/src/encode/encode_double.c
+++ b/lib/erl_interface/src/encode/encode_double.c
@@ -27,13 +27,13 @@ int ei_encode_double(char *buf, int *index, double p)
char *s = buf + *index;
char *s0 = s;
- if (!buf) s ++;
+ if (!buf)
+ s += 9;
else {
- put8(s,ERL_FLOAT_EXT);
- memset(s, 0, 31);
- sprintf(s, "%.20e", p);
+ /* IEEE 754 format */
+ put8(s, NEW_FLOAT_EXT);
+ put64be(s, ((FloatExt*)&p)->val);
}
- s += 31;
*index += s-s0;
diff --git a/lib/erl_interface/src/legacy/decode_term.c b/lib/erl_interface/src/legacy/decode_term.c
index ef29d6f57d..ddd1682f95 100644
--- a/lib/erl_interface/src/legacy/decode_term.c
+++ b/lib/erl_interface/src/legacy/decode_term.c
@@ -59,6 +59,7 @@ int ei_decode_term(const char *buf, int *index, void *t)
return ei_decode_long(buf,index,NULL);
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
return ei_decode_double(buf,index,NULL);
case ERL_ATOM_EXT:
diff --git a/lib/erl_interface/src/legacy/erl_marshal.c b/lib/erl_interface/src/legacy/erl_marshal.c
index 4b5f28178f..ad0cc5672c 100644
--- a/lib/erl_interface/src/legacy/erl_marshal.c
+++ b/lib/erl_interface/src/legacy/erl_marshal.c
@@ -102,6 +102,7 @@ void erl_init_marshal(void)
cmp_array[ERL_SMALL_INTEGER_EXT] = 1;
cmp_array[ERL_INTEGER_EXT] = 1;
cmp_array[ERL_FLOAT_EXT] = 1;
+ cmp_array[NEW_FLOAT_EXT] = 1;
cmp_array[ERL_SMALL_BIG_EXT] = 1;
cmp_array[ERL_LARGE_BIG_EXT] = 1;
cmp_array[ERL_ATOM_EXT] = 2;
@@ -124,6 +125,7 @@ void erl_init_marshal(void)
cmp_num_class[ERL_SMALL_INTEGER_EXT] = SMALL;
cmp_num_class[ERL_INTEGER_EXT] = SMALL;
cmp_num_class[ERL_FLOAT_EXT] = FLOAT;
+ cmp_num_class[NEW_FLOAT_EXT] = FLOAT;
cmp_num_class[ERL_SMALL_BIG_EXT] = BIG;
cmp_num_class[ERL_LARGE_BIG_EXT] = BIG;
init_cmp_num_class_p = 0;
@@ -1008,10 +1010,13 @@ static ETERM *erl_decode_it(unsigned char **ext)
return ep;
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
ERL_TYPE(ep) = ERL_FLOAT;
- if (sscanf((char *) *ext, "%lf", &ff) != 1)
+ cp = (char *) *ext;
+ i = -1;
+ if (ei_decode_double(cp, &i, &ff) == -1)
goto failure;
- *ext += 31;
+ *ext += i;
ep->uval.fval.f = ff;
return ep;
@@ -1176,6 +1181,7 @@ unsigned char erl_ext_type(unsigned char *ext)
case ERL_LARGE_TUPLE_EXT:
return ERL_TUPLE;
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
return ERL_FLOAT;
case ERL_BINARY_EXT:
return ERL_BINARY;
@@ -1218,6 +1224,7 @@ int erl_ext_size(unsigned char *t)
case ERL_BINARY_EXT:
case ERL_STRING_EXT:
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
case ERL_SMALL_BIG_EXT:
case ERL_LARGE_BIG_EXT:
return 0;
@@ -1332,6 +1339,9 @@ static int jump(unsigned char **ext)
case ERL_FLOAT_EXT:
*ext += 31;
break;
+ case NEW_FLOAT_EXT:
+ *ext += 8;
+ break;
case ERL_BINARY_EXT:
i = (**ext << 24) | ((*ext)[1] << 16) |((*ext)[2] << 8) | (*ext)[3];
*ext += 4+i;
@@ -1696,12 +1706,15 @@ static int cmp_exe2(unsigned char **e1, unsigned char **e2)
}
return 0;
case ERL_FLOAT_EXT:
- if (sscanf((char *) *e1, "%lf", &ff1) != 1)
- return -1;
- *e1 += 31;
- if (sscanf((char *) *e2, "%lf", &ff2) != 1)
- return -1;
- *e2 += 31;
+ case NEW_FLOAT_EXT:
+ i = -1;
+ if (ei_decode_double((char *) *e1, &i, &ff1) != 0)
+ return -1;
+ *e1 += i;
+ j = -1;
+ if (ei_decode_double((char *) *e2, &j, &ff2) != 0)
+ return -1;
+ *e2 += j;
return cmp_floats(ff1,ff2);
case ERL_BINARY_EXT:
diff --git a/lib/erl_interface/src/misc/ei_decode_term.c b/lib/erl_interface/src/misc/ei_decode_term.c
index 7b95ff232f..32aec988e1 100644
--- a/lib/erl_interface/src/misc/ei_decode_term.c
+++ b/lib/erl_interface/src/misc/ei_decode_term.c
@@ -25,9 +25,9 @@
#include "ei_decode_term.h"
#include "putget.h"
-/* Returns 1 if term is decoded, 0 if term is OK, but not decoded here
- and -1 if something is wrong.
- ONLY changes index if term is decoded (return value 1)! */
+/* Returns 0 on successful encoding, -1 on error, and 1 if the term seems
+ alright, but does not fit in the term structure. If it returns 0, the
+ index will be incremented, and the term contains the decoded term. */
int ei_decode_ei_term(const char* buf, int* index, ei_term* term)
{
@@ -46,11 +46,8 @@ int ei_decode_ei_term(const char* buf, int* index, ei_term* term)
term->value.i_val = get32be(s);
break;
case ERL_FLOAT_EXT:
- if (s[30]) return -1;
- if (sscanf(s, "%lf", &f) != 1) return -1;
- s += 31;
- term->value.d_val = f;
- break;
+ case NEW_FLOAT_EXT:
+ return ei_decode_double(buf, index, &term->value.d_val);
case ERL_ATOM_EXT:
len = get16be(s);
memcpy(term->value.atom_name, s, len);
diff --git a/lib/erl_interface/src/misc/ei_printterm.c b/lib/erl_interface/src/misc/ei_printterm.c
index 8d0eef5e79..00f98ba0a1 100644
--- a/lib/erl_interface/src/misc/ei_printterm.c
+++ b/lib/erl_interface/src/misc/ei_printterm.c
@@ -272,6 +272,7 @@ static int print_term(FILE* fp, ei_x_buff* x,
break;
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
if (ei_decode_double(buf, index, &d) < 0) goto err;
ch_written += xprintf(fp, x, "%f", d);
break;
diff --git a/lib/erl_interface/src/misc/putget.h b/lib/erl_interface/src/misc/putget.h
index 98d9ebb64c..f0fbd9a211 100644
--- a/lib/erl_interface/src/misc/putget.h
+++ b/lib/erl_interface/src/misc/putget.h
@@ -54,6 +54,18 @@
(s) += 4; \
} while (0)
+#define put64be(s,n) do { \
+ (s)[0] = ((n) >> 56) & 0xff; \
+ (s)[1] = ((n) >> 48) & 0xff; \
+ (s)[2] = ((n) >> 40) & 0xff; \
+ (s)[3] = ((n) >> 32) & 0xff; \
+ (s)[4] = ((n) >> 24) & 0xff; \
+ (s)[5] = ((n) >> 16) & 0xff; \
+ (s)[6] = ((n) >> 8) & 0xff; \
+ (s)[7] = (n) & 0xff; \
+ (s) += 8; \
+} while (0)
+
#define get8(s) \
((s) += 1, \
((unsigned char *)(s))[-1] & 0xff)
@@ -82,4 +94,20 @@
(((unsigned char *)(s))[-2] << 8) | \
((unsigned char *)(s))[-1]))
+#define get64be(s) \
+ ((s) += 8, \
+ (((EI_ULONGLONG)((unsigned char *)(s))[-8] << 56) | \
+ ((EI_ULONGLONG)((unsigned char *)(s))[-7] << 48) | \
+ ((EI_ULONGLONG)((unsigned char *)(s))[-6] << 40) | \
+ ((EI_ULONGLONG)((unsigned char *)(s))[-5] << 32) | \
+ ((EI_ULONGLONG)((unsigned char *)(s))[-4] << 24) | \
+ ((EI_ULONGLONG)((unsigned char *)(s))[-3] << 16) | \
+ ((EI_ULONGLONG)((unsigned char *)(s))[-2] << 8) | \
+ (EI_ULONGLONG)((unsigned char *)(s))[-1]))
+
+typedef union float_ext {
+ double d;
+ EI_ULONGLONG val;
+} FloatExt;
+
#endif /* _PUTGET_H */
diff --git a/lib/erl_interface/src/misc/show_msg.c b/lib/erl_interface/src/misc/show_msg.c
index 25865d6f8e..9ed27f49d5 100644
--- a/lib/erl_interface/src/misc/show_msg.c
+++ b/lib/erl_interface/src/misc/show_msg.c
@@ -400,6 +400,7 @@ static void show_term(const char *termbuf, int *index, FILE *stream)
break;
case ERL_FLOAT_EXT:
+ case NEW_FLOAT_EXT:
ei_decode_double(termbuf,index,&fnum);
fprintf(stream,"%f",fnum);
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 10:48:24 +0000