diff options
Diffstat (limited to 'lib/erl_interface')
-rw-r--r-- | lib/erl_interface/include/ei.h | 1 | ||||
-rw-r--r-- | lib/erl_interface/src/connect/ei_connect.c | 8 | ||||
-rw-r--r-- | lib/erl_interface/src/connect/ei_connect_int.h | 1 | ||||
-rw-r--r-- | lib/erl_interface/src/decode/decode_double.c | 20 | ||||
-rw-r--r-- | lib/erl_interface/src/decode/decode_skip.c | 1 | ||||
-rw-r--r-- | lib/erl_interface/src/encode/encode_double.c | 10 | ||||
-rw-r--r-- | lib/erl_interface/src/legacy/decode_term.c | 1 | ||||
-rw-r--r-- | lib/erl_interface/src/legacy/erl_marshal.c | 29 | ||||
-rw-r--r-- | lib/erl_interface/src/misc/ei_decode_term.c | 13 | ||||
-rw-r--r-- | lib/erl_interface/src/misc/ei_printterm.c | 1 | ||||
-rw-r--r-- | lib/erl_interface/src/misc/putget.h | 28 | ||||
-rw-r--r-- | lib/erl_interface/src/misc/show_msg.c | 1 | ||||
-rw-r--r-- | lib/erl_interface/test/ei_decode_SUITE.erl | 19 | ||||
-rw-r--r-- | lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c | 9 | ||||
-rw-r--r-- | lib/erl_interface/test/ei_encode_SUITE.erl | 20 | ||||
-rw-r--r-- | lib/erl_interface/test/ei_encode_SUITE_data/ei_encode_test.c | 4 |
16 files changed, 103 insertions, 63 deletions
diff --git a/lib/erl_interface/include/ei.h b/lib/erl_interface/include/ei.h index d1a697615a..03219c6d1b 100644 --- a/lib/erl_interface/include/ei.h +++ b/lib/erl_interface/include/ei.h @@ -110,6 +110,7 @@ #define ERL_SMALL_INTEGER_EXT 'a' #define ERL_INTEGER_EXT 'b' #define ERL_FLOAT_EXT 'c' +#define NEW_FLOAT_EXT 'F' #define ERL_ATOM_EXT 'd' #define ERL_REFERENCE_EXT 'e' #define ERL_NEW_REFERENCE_EXT 'r' 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; diff --git a/lib/erl_interface/test/ei_decode_SUITE.erl b/lib/erl_interface/test/ei_decode_SUITE.erl index ea528728ab..0fd805255f 100644 --- a/lib/erl_interface/test/ei_decode_SUITE.erl +++ b/lib/erl_interface/test/ei_decode_SUITE.erl @@ -181,22 +181,9 @@ test_ei_decode_misc(suite) -> []; test_ei_decode_misc(Config) when is_list(Config) -> ?line P = runner:start(?test_ei_decode_misc), -% ?line <<131>> = get_binaries(P), - -% ?line {term,F} = get_term(P), -% ?line match_float(F, 0.0), -% ?line {term,F} = get_term(P), -% ?line match_float(F, 0.0), - -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, -1.0), -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, -1.0), - -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, 1.0), -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, 1.0), + ?line send_term_as_binary(P,0.0), + ?line send_term_as_binary(P,-1.0), + ?line send_term_as_binary(P,1.0), ?line send_term_as_binary(P,false), ?line send_term_as_binary(P,true), diff --git a/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c b/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c index d81ea88437..38811c3c77 100644 --- a/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c +++ b/lib/erl_interface/test/ei_decode_SUITE_data/ei_decode_test.c @@ -515,11 +515,10 @@ TESTCASE(test_ei_decode_misc) /* EI_DECODE_0(decode_version); */ -/* - EI_DECODE_2(decode_double, 0.0); - EI_DECODE_2(decode_double, -1.0); - EI_DECODE_2(decode_double, 1.0); -*/ + EI_DECODE_2(decode_double, 32, double, 0.0); + EI_DECODE_2(decode_double, 32, double, -1.0); + EI_DECODE_2(decode_double, 32, double, 1.0); + EI_DECODE_2(decode_boolean, 8, int, 0); EI_DECODE_2(decode_boolean, 7, int, 1); diff --git a/lib/erl_interface/test/ei_encode_SUITE.erl b/lib/erl_interface/test/ei_encode_SUITE.erl index fb790eb7c3..dd6f37e453 100644 --- a/lib/erl_interface/test/ei_encode_SUITE.erl +++ b/lib/erl_interface/test/ei_encode_SUITE.erl @@ -181,20 +181,14 @@ test_ei_encode_misc(Config) when is_list(Config) -> ?line <<131>> = get_binaries(P), -% ?line {term,F} = get_term(P), -% ?line match_float(F, 0.0), -% ?line {term,F} = get_term(P), -% ?line match_float(F, 0.0), + ?line {<<70,_:8/binary>>,F0} = get_buf_and_term(P), + ?line true = match_float(F0, 0.0), -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, -1.0), -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, -1.0), + ?line {<<70,_:8/binary>>,Fn1} = get_buf_and_term(P), + ?line true = match_float(Fn1, -1.0), -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, 1.0), -% ?line {term,F} = get_term(P), -% ?line true = match_float(F, 1.0), + ?line {<<70,_:8/binary>>,Fp1} = get_buf_and_term(P), + ?line true = match_float(Fp1, 1.0), ?line {<<100,0,5,"false">>,false} = get_buf_and_term(P), ?line {<<100,0,4,"true">> ,true} = get_buf_and_term(P), @@ -310,6 +304,8 @@ get_term(P) -> %% +match_float(F, Match) when is_float(F), is_float(Match), F == Match -> + true; match_float(F, Match) when is_float(F), F > Match*0.99, F < Match*1.01 -> true. diff --git a/lib/erl_interface/test/ei_encode_SUITE_data/ei_encode_test.c b/lib/erl_interface/test/ei_encode_SUITE_data/ei_encode_test.c index f8de0b7878..2d326757a1 100644 --- a/lib/erl_interface/test/ei_encode_SUITE_data/ei_encode_test.c +++ b/lib/erl_interface/test/ei_encode_SUITE_data/ei_encode_test.c @@ -350,13 +350,13 @@ TESTCASE(test_ei_encode_char) TESTCASE(test_ei_encode_misc) { EI_ENCODE_0(encode_version); -/* + EI_ENCODE_1(encode_double, 0.0); EI_ENCODE_1(encode_double, -1.0); EI_ENCODE_1(encode_double, 1.0); -*/ + EI_ENCODE_1(encode_boolean, 0) /* Only case it should be false */; EI_ENCODE_1(encode_boolean, 1); |