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-rw-r--r--erts/configure.in12
-rw-r--r--erts/doc/src/erlang.xml2
-rw-r--r--erts/emulator/beam/beam_load.c8
-rw-r--r--erts/emulator/beam/beam_ranges.c6
-rw-r--r--erts/emulator/beam/big.c15
-rw-r--r--erts/emulator/beam/binary.c63
-rw-r--r--erts/emulator/beam/erl_bif_info.c13
-rw-r--r--erts/emulator/beam/erl_unicode.c152
-rw-r--r--erts/emulator/beam/erl_unicode.h5
-rw-r--r--erts/emulator/beam/global.h1
-rw-r--r--erts/emulator/sys/common/erl_sys_common_misc.c104
-rw-r--r--erts/emulator/test/code_SUITE.erl55
-rw-r--r--erts/emulator/test/code_SUITE_data/erl_544.erl35
-rw-r--r--erts/emulator/test/num_bif_SUITE.erl73
-rw-r--r--erts/lib_src/common/erl_printf_format.c2
-rw-r--r--erts/preloaded/src/erlang.erl2
16 files changed, 395 insertions, 153 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 913315e402..cbebca97a3 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1507,12 +1507,16 @@ error
],[
AC_MSG_RESULT(no)
])
+
+if test "$Z_LIB" != ""; then
+ AC_MSG_CHECKING(for zlib inflateGetDictionary presence)
+ AC_SEARCH_LIBS(inflateGetDictionary, [z],
+ AC_DEFINE(HAVE_ZLIB_INFLATEGETDICTIONARY, 1,
+ [Define if your zlib version defines inflateGetDictionary.]))
+fi
+
LIBS=$zlib_save_LIBS
-AC_MSG_CHECKING(for zlib inflateGetDictionary presence)
-AC_SEARCH_LIBS(inflateGetDictionary, [z],
- AC_DEFINE(HAVE_ZLIB_INFLATEGETDICTIONARY, 1,
- [Define if your zlib version defines inflateGetDictionary.]))
fi
AC_SUBST(Z_LIB)
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index b04f2b008e..69af7430f1 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -8799,7 +8799,7 @@ ok
<c>erlang:now()</c>. This is also the default if no
time stamp flag is specified. If <c>cpu_timestamp</c> has
been enabled through
- <seealso marker="erlang:trace/3"><c>erlang:trace/3</c></seealso>,
+ <seealso marker="#trace/3"><c>erlang:trace/3</c></seealso>,
this also effects the time stamp produced in profiling messages
when flag <c>timestamp</c> is enabled.</p>
</item>
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 5b1aa6f128..a4e226d459 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2017. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -40,6 +40,7 @@
#include "erl_zlib.h"
#include "erl_map.h"
#include "erl_process_dict.h"
+#include "erl_unicode.h"
#ifdef HIPE
#include "hipe_bif0.h"
@@ -1792,7 +1793,7 @@ read_line_table(LoaderState* stp)
GetInt(stp, 2, n);
GetString(stp, fname, n);
- stp->fname[i] = erts_atom_put(fname, n, ERTS_ATOM_ENC_LATIN1, 1);
+ stp->fname[i] = erts_atom_put(fname, n, ERTS_ATOM_ENC_UTF8, 1);
}
}
@@ -5891,8 +5892,7 @@ erts_build_mfa_item(FunctionInfo* fi, Eterm* hp, Eterm args, Eterm* mfa_p)
file_term = buf_to_intlist(&hp, ".erl", 4, NIL);
file_term = buf_to_intlist(&hp, (char*)ap->name, ap->len, file_term);
} else {
- Atom* ap = atom_tab(atom_val((fi->fname_ptr)[file-1]));
- file_term = buf_to_intlist(&hp, (char*)ap->name, ap->len, NIL);
+ file_term = erts_atom_to_string(&hp, (fi->fname_ptr)[file-1]);
}
tuple = TUPLE2(hp, am_line, make_small(line));
diff --git a/erts/emulator/beam/beam_ranges.c b/erts/emulator/beam/beam_ranges.c
index fac4289271..c7b17d58f3 100644
--- a/erts/emulator/beam/beam_ranges.c
+++ b/erts/emulator/beam/beam_ranges.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2012-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2012-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@
#include "erl_vm.h"
#include "global.h"
#include "beam_load.h"
+#include "erl_unicode.h"
typedef struct {
BeamInstr* start; /* Pointer to start of module. */
@@ -341,8 +342,7 @@ lookup_loc(FunctionInfo* fi, const BeamInstr* pc,
Atom* mod_atom = atom_tab(atom_val(fi->mfa->module));
fi->needed += 2*(mod_atom->len+4);
} else {
- Atom* ap = atom_tab(atom_val((fi->fname_ptr)[file-1]));
- fi->needed += 2*ap->len;
+ fi->needed += 2*erts_atom_to_string_length((fi->fname_ptr)[file-1]);
}
return;
} else {
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index 5eaf262cd8..c5cb268f09 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -2549,12 +2549,17 @@ int term_equals_2pow32(Eterm x)
}
}
+static ERTS_INLINE int c2int_is_valid_char(byte ch, int base) {
+ if (base <= 10)
+ return (ch >= '0' && ch < ('0' + base));
+ else
+ return (ch >= '0' && ch <= '9')
+ || (ch >= 'A' && ch < ('A' + base - 10))
+ || (ch >= 'a' && ch < ('a' + base - 10));
+}
+
static ERTS_INLINE int c2int_is_invalid_char(byte ch, int base) {
- return (ch < '0'
- || (ch > ('0' + base - 1)
- && !(base > 10
- && ((ch >= 'a' && ch < ('a' + base - 10))
- || (ch >= 'A' && ch < ('A' + base - 10))))));
+ return !c2int_is_valid_char(ch, base);
}
static ERTS_INLINE byte c2int_digit_from_base(byte ch) {
diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c
index ca3e48e205..d4db1a4188 100644
--- a/erts/emulator/beam/binary.c
+++ b/erts/emulator/beam/binary.c
@@ -60,14 +60,36 @@ erts_init_binary(void)
}
+static ERTS_INLINE
+Eterm build_proc_bin(ErlOffHeap* ohp, Eterm* hp, Binary* bptr)
+{
+ ProcBin* pb = (ProcBin *) hp;
+ pb->thing_word = HEADER_PROC_BIN;
+ pb->size = bptr->orig_size;
+ pb->next = ohp->first;
+ ohp->first = (struct erl_off_heap_header*)pb;
+ pb->val = bptr;
+ pb->bytes = (byte*) bptr->orig_bytes;
+ pb->flags = 0;
+ OH_OVERHEAD(ohp, pb->size / sizeof(Eterm));
+
+ return make_binary(pb);
+}
+
+/** @brief Initiate a ProcBin for a full Binary.
+ * @param hp must point to PROC_BIN_SIZE available heap words.
+ */
+Eterm erts_build_proc_bin(ErlOffHeap* ohp, Eterm* hp, Binary* bptr)
+{
+ return build_proc_bin(ohp, hp, bptr);
+}
+
/*
* Create a brand new binary from scratch.
*/
-
Eterm
new_binary(Process *p, byte *buf, Uint len)
{
- ProcBin* pb;
Binary* bptr;
if (len <= ERL_ONHEAP_BIN_LIMIT) {
@@ -88,23 +110,7 @@ new_binary(Process *p, byte *buf, Uint len)
sys_memcpy(bptr->orig_bytes, buf, len);
}
- /*
- * Now allocate the ProcBin on the heap.
- */
- pb = (ProcBin *) HAlloc(p, PROC_BIN_SIZE);
- pb->thing_word = HEADER_PROC_BIN;
- pb->size = len;
- pb->next = MSO(p).first;
- MSO(p).first = (struct erl_off_heap_header*)pb;
- pb->val = bptr;
- pb->bytes = (byte*) bptr->orig_bytes;
- pb->flags = 0;
-
- /*
- * Miscellaneous updates. Return the tagged binary.
- */
- OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm));
- return make_binary(pb);
+ return build_proc_bin(&MSO(p), HAlloc(p, PROC_BIN_SIZE), bptr);
}
/*
@@ -113,7 +119,6 @@ new_binary(Process *p, byte *buf, Uint len)
Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len)
{
- ProcBin* pb;
Binary* bptr;
/*
@@ -124,23 +129,7 @@ Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len)
sys_memcpy(bptr->orig_bytes, buf, len);
}
- /*
- * Now allocate the ProcBin on the heap.
- */
- pb = (ProcBin *) HAlloc(p, PROC_BIN_SIZE);
- pb->thing_word = HEADER_PROC_BIN;
- pb->size = len;
- pb->next = MSO(p).first;
- MSO(p).first = (struct erl_off_heap_header*)pb;
- pb->val = bptr;
- pb->bytes = (byte*) bptr->orig_bytes;
- pb->flags = 0;
-
- /*
- * Miscellaneous updates. Return the tagged binary.
- */
- OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm));
- return make_binary(pb);
+ return build_proc_bin(&MSO(p), HAlloc(p, PROC_BIN_SIZE), bptr);
}
/*
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 80adca0072..4050fb6146 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -4447,6 +4447,19 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
BIF_RET(res);
}
}
+ else if (ERTS_IS_ATOM_STR("binary", BIF_ARG_1)) {
+ Sint64 size;
+ if (term_to_Sint64(BIF_ARG_2, &size)) {
+ Binary* refbin = erts_bin_drv_alloc_fnf(size);
+ if (!refbin)
+ BIF_RET(am_false);
+ sys_memset(refbin->orig_bytes, 0, size);
+ BIF_RET(erts_build_proc_bin(&MSO(BIF_P),
+ HAlloc(BIF_P, PROC_BIN_SIZE),
+ refbin));
+ }
+ }
+
}
BIF_ERROR(BIF_P, BADARG);
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 2d1d1443a7..c5fc6f9815 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2008-2017. All Rights Reserved.
+ * Copyright Ericsson AB 2008-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -1158,14 +1158,15 @@ static ERTS_INLINE int
analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left,
Sint *num_latin1_chars, Uint max_chars)
{
+ int res = ERTS_UTF8_OK;
Uint latin1_count;
int is_latin1;
+ Uint nchars = 0;
*err_pos = source;
if (num_latin1_chars) {
is_latin1 = 1;
latin1_count = 0;
}
- *num_chars = 0;
while (size) {
if (((*source) & ((byte) 0x80)) == 0) {
source++;
@@ -1174,11 +1175,13 @@ analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left
latin1_count++;
} else if (((*source) & ((byte) 0xE0)) == 0xC0) {
if (size < 2) {
- return ERTS_UTF8_INCOMPLETE;
+ res = ERTS_UTF8_INCOMPLETE;
+ break;
}
if (((source[1] & ((byte) 0xC0)) != 0x80) ||
((*source) < 0xC2) /* overlong */) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
if (num_latin1_chars) {
latin1_count++;
@@ -1189,16 +1192,19 @@ analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left
size -= 2;
} else if (((*source) & ((byte) 0xF0)) == 0xE0) {
if (size < 3) {
- return ERTS_UTF8_INCOMPLETE;
+ res = ERTS_UTF8_INCOMPLETE;
+ break;
}
if (((source[1] & ((byte) 0xC0)) != 0x80) ||
((source[2] & ((byte) 0xC0)) != 0x80) ||
(((*source) == 0xE0) && (source[1] < 0xA0)) /* overlong */ ) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
if ((((*source) & ((byte) 0xF)) == 0xD) &&
((source[1] & 0x20) != 0)) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
source += 3;
size -= 3;
@@ -1206,37 +1212,47 @@ analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left
is_latin1 = 0;
} else if (((*source) & ((byte) 0xF8)) == 0xF0) {
if (size < 4) {
- return ERTS_UTF8_INCOMPLETE;
+ res = ERTS_UTF8_INCOMPLETE;
+ break;
}
if (((source[1] & ((byte) 0xC0)) != 0x80) ||
((source[2] & ((byte) 0xC0)) != 0x80) ||
((source[3] & ((byte) 0xC0)) != 0x80) ||
(((*source) == 0xF0) && (source[1] < 0x90)) /* overlong */) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
if ((((*source) & ((byte)0x7)) > 0x4U) ||
((((*source) & ((byte)0x7)) == 0x4U) &&
((source[1] & ((byte)0x3F)) > 0xFU))) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
source += 4;
size -= 4;
if (num_latin1_chars)
is_latin1 = 0;
} else {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
- ++(*num_chars);
+ ++nchars;
*err_pos = source;
- if (max_chars && size > 0 && *num_chars == max_chars)
- return ERTS_UTF8_OK_MAX_CHARS;
+ if (max_chars && size > 0 && nchars == max_chars) {
+ res = ERTS_UTF8_OK_MAX_CHARS;
+ break;
+ }
if (left && --(*left) <= 0 && size) {
- return ERTS_UTF8_ANALYZE_MORE;
+ res = ERTS_UTF8_ANALYZE_MORE;
+ break;
}
}
+
+ *num_chars = nchars;
if (num_latin1_chars)
*num_latin1_chars = is_latin1 ? latin1_count : -1;
- return ERTS_UTF8_OK;
+
+ return res;
}
int erts_analyze_utf8(byte *source, Uint size,
@@ -1252,29 +1268,18 @@ int erts_analyze_utf8_x(byte *source, Uint size,
return analyze_utf8(source, size, err_pos, num_chars, left, num_latin1_chars, max_chars);
}
-/*
- * No errors should be able to occur - no overlongs, no malformed, no nothing
- */
-static Eterm do_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz,
- Uint left,
- Uint *num_built, Uint *num_eaten, Eterm tail)
+static ERTS_INLINE Eterm
+make_list_from_utf8_buf(Eterm **hpp, Uint num,
+ byte *bytes, Uint sz,
+ Uint *num_built, Uint *num_eaten,
+ Eterm tail)
{
Eterm *hp;
Eterm ret;
+ Uint left = num;
byte *source, *ssource;
Uint unipoint;
-
- ASSERT(num > 0);
- if (left < num) {
- if (left > 0)
- num = left;
- else
- num = 1;
- }
-
- *num_built = num; /* Always */
-
- hp = HAlloc(p,num * 2);
+ hp = *hpp;
ret = tail;
source = bytes + sz;
ssource = source;
@@ -1302,20 +1307,97 @@ static Eterm do_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz,
}
ret = CONS(hp,make_small(unipoint),ret);
hp += 2;
- if (--num <= 0) {
+ if (--left <= 0) {
break;
}
}
+ *hpp = hp;
+ *num_built = num; /* Always */
*num_eaten = (ssource - source);
return ret;
}
+/*
+ * No errors should be able to occur - no overlongs, no malformed, no nothing
+ */
+static Eterm do_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz,
+ Uint left,
+ Uint *num_built, Uint *num_eaten, Eterm tail)
+{
+ Eterm *hp;
+
+ ASSERT(num > 0);
+ if (left < num) {
+ if (left > 0)
+ num = left;
+ else
+ num = 1;
+ }
+
+ hp = HAlloc(p,num * 2);
+
+ return make_list_from_utf8_buf(&hp, num, bytes, sz,
+ num_built, num_eaten,
+ tail);
+}
Eterm erts_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz, Uint left,
Uint *num_built, Uint *num_eaten, Eterm tail)
{
return do_utf8_to_list(p, num, bytes, sz, left, num_built, num_eaten, tail);
}
+Uint erts_atom_to_string_length(Eterm atom)
+{
+ Atom *ap;
+
+ ASSERT(is_atom(atom));
+ ap = atom_tab(atom_val(atom));
+
+ if (ap->latin1_chars >= 0)
+ return (Uint) ap->len;
+ else {
+ byte* err_pos;
+ Uint num_chars;
+#ifdef DEBUG
+ int ares =
+#endif
+ erts_analyze_utf8(ap->name, ap->len, &err_pos, &num_chars, NULL);
+ ASSERT(ares == ERTS_UTF8_OK);
+
+ return num_chars;
+ }
+}
+
+Eterm erts_atom_to_string(Eterm **hpp, Eterm atom)
+{
+ Atom *ap;
+
+ ASSERT(is_atom(atom));
+ ap = atom_tab(atom_val(atom));
+ if (ap->latin1_chars >= 0)
+ return buf_to_intlist(hpp, (char*)ap->name, ap->len, NIL);
+ else {
+ Eterm res;
+ byte* err_pos;
+ Uint num_chars, num_built, num_eaten;
+#ifdef DEBUG
+ Eterm *hp_start = *hpp;
+ int ares =
+#endif
+ erts_analyze_utf8(ap->name, ap->len, &err_pos, &num_chars, NULL);
+ ASSERT(ares == ERTS_UTF8_OK);
+
+ res = make_list_from_utf8_buf(hpp, num_chars, ap->name, ap->len,
+ &num_built, &num_eaten, NIL);
+
+ ASSERT(num_built == num_chars);
+ ASSERT(num_eaten == ap->len);
+ ASSERT(*hpp - hp_start == 2*num_chars);
+
+ return res;
+ }
+}
+
static int is_candidate(Uint cp)
{
int index,pos;
diff --git a/erts/emulator/beam/erl_unicode.h b/erts/emulator/beam/erl_unicode.h
index e01eaa787e..31369fc8f9 100644
--- a/erts/emulator/beam/erl_unicode.h
+++ b/erts/emulator/beam/erl_unicode.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2008-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2008-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -21,4 +21,7 @@
#ifndef _ERL_UNICODE_H
#define _ERL_UNICODE_H
+Uint erts_atom_to_string_length(Eterm atom);
+Eterm erts_atom_to_string(Eterm **hpp, Eterm atom);
+
#endif /* _ERL_UNICODE_H */
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 9505942307..87777d14e9 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -867,6 +867,7 @@ Eterm erts_new_heap_binary(Process *p, byte *buf, int len, byte** datap);
Eterm erts_new_mso_binary(Process*, byte*, Uint);
Eterm new_binary(Process*, byte*, Uint);
Eterm erts_realloc_binary(Eterm bin, size_t size);
+Eterm erts_build_proc_bin(ErlOffHeap*, Eterm*, Binary*);
/* erl_bif_info.c */
diff --git a/erts/emulator/sys/common/erl_sys_common_misc.c b/erts/emulator/sys/common/erl_sys_common_misc.c
index 79f87eb3a9..ba03a11405 100644
--- a/erts/emulator/sys/common/erl_sys_common_misc.c
+++ b/erts/emulator/sys/common/erl_sys_common_misc.c
@@ -158,59 +158,50 @@ int
sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals,
int compact)
{
- /* Note that some C compilers don't support "static const" propagation
- * so we use a defines */
- #define SYS_DOUBLE_RND_CONST 0.55555555555555555
+ #define SYS_DOUBLE_RND_CONST 0.5
#define FRAC_SIZE 52
#define EXP_SIZE 11
- #define EXP_MASK ((1ll << EXP_SIZE) - 1)
+ #define EXP_MASK (((Uint64)1 << EXP_SIZE) - 1)
#define MAX_DECIMALS (sizeof(cs_sys_double_pow10) \
/ sizeof(cs_sys_double_pow10[0]))
- #define FRAC_MASK ((1ll << FRAC_SIZE) - 1)
- #define FRAC_MASK2 ((1ll << (FRAC_SIZE + 1)) - 1)
- #define MAX_FLOAT (1ll << (FRAC_SIZE+1))
+ #define FRAC_MASK (((Uint64)1 << FRAC_SIZE) - 1)
+ #define FRAC_MASK2 (((Uint64)1 << (FRAC_SIZE + 1)) - 1)
+ #define MAX_FLOAT ((Uint64)1 << (FRAC_SIZE+1))
static const double cs_sys_double_pow10[] = {
- SYS_DOUBLE_RND_CONST / 1ll,
- SYS_DOUBLE_RND_CONST / 10ll,
- SYS_DOUBLE_RND_CONST / 100ll,
- SYS_DOUBLE_RND_CONST / 1000ll,
- SYS_DOUBLE_RND_CONST / 10000ll,
- SYS_DOUBLE_RND_CONST / 100000ll,
- SYS_DOUBLE_RND_CONST / 1000000ll,
- SYS_DOUBLE_RND_CONST / 10000000ll,
- SYS_DOUBLE_RND_CONST / 100000000ll,
- SYS_DOUBLE_RND_CONST / 1000000000ll,
- SYS_DOUBLE_RND_CONST / 10000000000ll,
- SYS_DOUBLE_RND_CONST / 100000000000ll,
- SYS_DOUBLE_RND_CONST / 1000000000000ll,
- SYS_DOUBLE_RND_CONST / 10000000000000ll,
- SYS_DOUBLE_RND_CONST / 100000000000000ll,
- SYS_DOUBLE_RND_CONST / 1000000000000000ll,
- SYS_DOUBLE_RND_CONST / 10000000000000000ll,
- SYS_DOUBLE_RND_CONST / 100000000000000000ll,
- SYS_DOUBLE_RND_CONST / 1000000000000000000ll
+ SYS_DOUBLE_RND_CONST / 1e0,
+ SYS_DOUBLE_RND_CONST / 1e1,
+ SYS_DOUBLE_RND_CONST / 1e2,
+ SYS_DOUBLE_RND_CONST / 1e3,
+ SYS_DOUBLE_RND_CONST / 1e4,
+ SYS_DOUBLE_RND_CONST / 1e5,
+ SYS_DOUBLE_RND_CONST / 1e6,
+ SYS_DOUBLE_RND_CONST / 1e7,
+ SYS_DOUBLE_RND_CONST / 1e8,
+ SYS_DOUBLE_RND_CONST / 1e9,
+ SYS_DOUBLE_RND_CONST / 1e10,
+ SYS_DOUBLE_RND_CONST / 1e11,
+ SYS_DOUBLE_RND_CONST / 1e12,
+ SYS_DOUBLE_RND_CONST / 1e13,
+ SYS_DOUBLE_RND_CONST / 1e14,
+ SYS_DOUBLE_RND_CONST / 1e15,
+ SYS_DOUBLE_RND_CONST / 1e16,
+ SYS_DOUBLE_RND_CONST / 1e17,
+ SYS_DOUBLE_RND_CONST / 1e18
};
- long long mantissa, int_part = 0, frac_part = 0;
- short exp;
+ Uint64 mantissa, int_part, frac_part;
+ int exp;
+ int fbits;
int max;
int neg;
double fr;
- union { long long L; double F; } x;
+ union { Uint64 L; double F; } x;
char *p = buffer;
if (decimals < 0)
return -1;
- /* Round the number to given decimal places. The number of 5's in the
- * SYS_DOUBLE_RND_CONST constant is chosen such that adding any more 5's doesn't
- * change the double precision of the number, i.e.:
- * 1> term_to_binary(0.55555555555555555, [{minor_version, 1}]).
- * <<131,70,63,225,199,28,113,199,28,114>>
- * 2> term_to_binary(0.5555555555555555555, [{minor_version, 1}]).
- * <<131,70,63,225,199,28,113,199,28,114>>
- */
if (f >= 0) {
neg = 0;
fr = decimals < MAX_DECIMALS ? (f + cs_sys_double_pow10[decimals]) : f;
@@ -241,7 +232,7 @@ sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals,
}
exp -= EXP_MASK >> 1;
- mantissa |= (1ll << FRAC_SIZE);
+ mantissa |= ((Uint64)1 << FRAC_SIZE);
/* Don't bother with optimizing too large numbers or too large precision */
if (x.F > MAX_FLOAT || decimals >= MAX_DECIMALS) {
@@ -256,11 +247,16 @@ sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals,
return p - buffer;
} else if (exp >= FRAC_SIZE) {
int_part = mantissa << (exp - FRAC_SIZE);
+ frac_part = 0;
+ fbits = FRAC_SIZE; /* not important as frac_part==0 */
} else if (exp >= 0) {
- int_part = mantissa >> (FRAC_SIZE - exp);
- frac_part = (mantissa << (exp + 1)) & FRAC_MASK2;
+ fbits = FRAC_SIZE - exp;
+ int_part = mantissa >> fbits;
+ frac_part = mantissa & (((Uint64)1 << fbits) -1);
} else /* if (exp < 0) */ {
- frac_part = (mantissa & FRAC_MASK2) >> -(exp + 1);
+ int_part = 0;
+ frac_part = mantissa;
+ fbits = FRAC_SIZE - exp;
}
if (!int_part) {
@@ -270,9 +266,8 @@ sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals,
} else {
int ret, i, n;
while (int_part != 0) {
- long long j = int_part / 10;
- *p++ = (char)(int_part - ((j << 3) + (j << 1)) + '0');
- int_part = j;
+ *p++ = (char)((int_part % 10) + '0');
+ int_part /= 10;
}
if (neg)
*p++ = '-';
@@ -298,11 +293,22 @@ sys_double_to_chars_fast(double f, char *buffer, int buffer_size, int decimals,
max = decimals;
for (i = 0; i < max; i++) {
- /* frac_part *= 10; */
- frac_part = (frac_part << 3) + (frac_part << 1);
-
- *p++ = (char)((frac_part >> (FRAC_SIZE + 1)) + '0');
- frac_part &= FRAC_MASK2;
+ if (frac_part > (ERTS_UINT64_MAX/5)) {
+ frac_part >>= 3;
+ fbits -= 3;
+ }
+
+ /* Multiply by 10 (5*2) to extract decimal digit as integer part */
+ frac_part *= 5;
+ fbits--;
+
+ if (fbits >= 64) {
+ *p++ = '0';
+ }
+ else {
+ *p++ = (char)((frac_part >> fbits) + '0');
+ frac_part &= ((Uint64)1 << fbits) - 1;
+ }
}
/* Delete trailing zeroes */
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index dca600bc7b..661a2ee6c9 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -27,7 +27,8 @@
constant_pools/1,constant_refc_binaries/1,
fake_literals/1,
false_dependency/1,coverage/1,fun_confusion/1,
- t_copy_literals/1, t_copy_literals_frags/1]).
+ t_copy_literals/1, t_copy_literals_frags/1,
+ erl_544/1]).
-define(line_trace, 1).
-include_lib("common_test/include/ct.hrl").
@@ -41,7 +42,8 @@ all() ->
module_md5,
constant_pools, constant_refc_binaries, fake_literals,
false_dependency,
- coverage, fun_confusion, t_copy_literals, t_copy_literals_frags].
+ coverage, fun_confusion, t_copy_literals, t_copy_literals_frags,
+ erl_544].
init_per_suite(Config) ->
erts_debug:set_internal_state(available_internal_state, true),
@@ -918,6 +920,53 @@ reloader(Mod,Code,Time) ->
reloader(Mod,Code,Time)
end.
+erl_544(Config) when is_list(Config) ->
+ case file:native_name_encoding() of
+ utf8 ->
+ {ok, CWD} = file:get_cwd(),
+ try
+ Mod = erl_544,
+ FileName = atom_to_list(Mod) ++ ".erl",
+ Priv = proplists:get_value(priv_dir, Config),
+ Data = proplists:get_value(data_dir, Config),
+ {ok, FileContent} = file:read_file(filename:join(Data,
+ FileName)),
+ Dir = filename:join(Priv, [16#2620,16#2620,16#2620]),
+ File = filename:join(Dir, FileName),
+ io:format("~ts~n", [File]),
+ ok = file:make_dir(Dir),
+ ok = file:set_cwd(Dir),
+ ok = file:write_file(File, [FileContent]),
+ {ok, Mod} = compile:file(File),
+ Res1 = (catch Mod:err()),
+ io:format("~p~n", [Res1]),
+ {'EXIT', {err, [{Mod, err, 0, Info1}|_]}} = Res1,
+ File = proplists:get_value(file, Info1),
+ Me = self(),
+ Go = make_ref(),
+ Tester = spawn_link(fun () ->
+ Mod:wait(Me, Go),
+ Mod:err()
+ end),
+ receive Go -> ok end,
+ Res2 = process_info(Tester, current_stacktrace),
+ io:format("~p~n", [Res2]),
+ {current_stacktrace, Stack} = Res2,
+ [{Mod, wait, 2, Info2}|_] = Stack,
+ File = proplists:get_value(file, Info2),
+ StackFun = fun(_, _, _) -> false end,
+ FormatFun = fun (Term, _) -> io_lib:format("~tp", [Term]) end,
+ Formated =
+ lib:format_stacktrace(1, Stack, StackFun, FormatFun),
+ true = is_list(Formated),
+ ok
+ after
+ ok = file:set_cwd(CWD)
+ end,
+ ok;
+ _Enc ->
+ {skipped, "Only run when native file name encoding is utf8"}
+ end.
%% Utilities.
diff --git a/erts/emulator/test/code_SUITE_data/erl_544.erl b/erts/emulator/test/code_SUITE_data/erl_544.erl
new file mode 100644
index 0000000000..c93f3ef5bc
--- /dev/null
+++ b/erts/emulator/test/code_SUITE_data/erl_544.erl
@@ -0,0 +1,35 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2018. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(erl_544).
+
+-export([err/0, wait/2]).
+
+err() ->
+ erlang:error(err).
+
+wait(Pid, Msg) ->
+ erlang:yield(),
+ Pid ! Msg,
+ receive
+ after infinity ->
+ ok
+ end,
+ err().
diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl
index 1c76eb8019..d950179882 100644
--- a/erts/emulator/test/num_bif_SUITE.erl
+++ b/erts/emulator/test/num_bif_SUITE.erl
@@ -118,6 +118,7 @@ t_float(Config) when is_list(Config) ->
%% Tests float_to_list/1, float_to_list/2, float_to_binary/1, float_to_binary/2
t_float_to_string(Config) when is_list(Config) ->
+ rand_seed(),
test_fts("0.00000000000000000000e+00", 0.0),
test_fts("2.50000000000000000000e+01", 25.0),
test_fts("2.50000000000000000000e+00", 2.5),
@@ -167,8 +168,8 @@ t_float_to_string(Config) when is_list(Config) ->
test_fts("1.12300",1.123, [{decimals, 5}]),
test_fts("1.123",1.123, [{decimals, 5}, compact]),
test_fts("1.1234",1.1234,[{decimals, 6}, compact]),
- test_fts("1.01",1.005, [{decimals, 2}]),
- test_fts("-1.01",-1.005,[{decimals, 2}]),
+ test_fts("1.00",1.005, [{decimals, 2}]), %% 1.005 is really 1.0049999999...
+ test_fts("-1.00",-1.005,[{decimals, 2}]),
test_fts("0.999",0.999, [{decimals, 3}]),
test_fts("-0.999",-0.999,[{decimals, 3}]),
test_fts("1.0",0.999, [{decimals, 2}, compact]),
@@ -184,6 +185,9 @@ t_float_to_string(Config) when is_list(Config) ->
test_fts("123000000000000000000.0",1.23e20, [{decimals, 10}, compact]),
test_fts("1.2300000000e+20",1.23e20, [{scientific, 10}, compact]),
test_fts("1.23000000000000000000e+20",1.23e20, []),
+
+ fts_rand_float_decimals(1000),
+
ok.
test_fts(Expect, Float) ->
@@ -197,6 +201,49 @@ test_fts(Expect, Float, Args) ->
BinExpect = float_to_binary(Float,Args).
+rand_float_reasonable() ->
+ F = rand_float(),
+ case abs(F) > 1.0e238 of
+ true -> rand_float_reasonable();
+ false -> F
+ end.
+
+fts_rand_float_decimals(0) -> ok;
+fts_rand_float_decimals(N) ->
+ [begin
+ F0 = rand_float_reasonable(),
+ L0 = float_to_list(F0, [{decimals, D}]),
+ L1 = case D of
+ 0 -> L0 ++ ".0";
+ _ -> L0
+ end,
+ F1 = list_to_float(L1),
+ Diff = abs(F0-F1),
+ MaxDiff = max_diff_decimals(F0, D),
+ ok = case Diff =< MaxDiff of
+ true -> ok;
+ false ->
+ io:format("F0 = ~w ~w\n", [F0, <<F0/float>>]),
+ io:format("L1 = ~s\n", [L1]),
+ io:format("F1 = ~w ~w\n", [F1, <<F1/float>>]),
+ io:format("Diff = ~w, MaxDiff = ~w\n", [Diff, MaxDiff]),
+ error
+ end
+ end
+ || D <- lists:seq(0,15)],
+
+ fts_rand_float_decimals(N-1).
+
+max_diff_decimals(F, D) ->
+ IntBits = floor(math:log2(abs(F))) + 1,
+ FracBits = (52 - IntBits),
+ Log10_2 = 0.3010299956639812, % math:log10(2)
+ MaxDec = floor(FracBits * Log10_2),
+
+ Resolution = math:pow(2, IntBits - 53),
+
+ (math:pow(10, -min(D,MaxDec)) / 2) + Resolution.
+
%% Tests list_to_float/1.
t_string_to_float_safe(Config) when is_list(Config) ->
@@ -331,18 +378,26 @@ t_trunc_and_friends(_Config) ->
-18446744073709551616 = trunc_and_friends(-float(1 bsl 64)),
%% Random.
+ rand_seed(),
t_trunc_and_friends_rand(100),
ok.
+rand_seed() ->
+ rand:seed(exrop),
+ io:format("\n*** rand:export_seed() = ~w\n\n", [rand:export_seed()]),
+ ok.
+
+rand_float() ->
+ F0 = rand:uniform() * math:pow(10, 50*rand:normal()),
+ case rand:uniform() of
+ U when U < 0.5 -> -F0;
+ _ -> F0
+ end.
+
t_trunc_and_friends_rand(0) ->
ok;
t_trunc_and_friends_rand(N) ->
- F0 = rand:uniform() * math:pow(10, 50*rand:normal()),
- F = case rand:uniform() of
- U when U < 0.5 -> -F0;
- _ -> F0
- end,
- _ = trunc_and_friends(F),
+ _ = trunc_and_friends(rand_float()),
t_trunc_and_friends_rand(N-1).
trunc_and_friends(F) ->
@@ -491,7 +546,7 @@ t_string_to_integer(Config) when is_list(Config) ->
list_to_binary(Value),Base)),
{'EXIT', {badarg, _}} =
(catch erlang:list_to_integer(Value,Base))
- end,[{" 1",1},{" 1",37},{"2",2},{"C",11},
+ end,[{" 1",1},{" 1",37},{"2",2},{"B",11},{"b",11},{":", 16},
{"1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111z",16},
{"1z111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111",16},
{"111z11111111",16}]),
diff --git a/erts/lib_src/common/erl_printf_format.c b/erts/lib_src/common/erl_printf_format.c
index 3daa066fd3..3302083288 100644
--- a/erts/lib_src/common/erl_printf_format.c
+++ b/erts/lib_src/common/erl_printf_format.c
@@ -331,7 +331,7 @@ static int fmt_double(fmtfn_t fn,void*arg,double val,
char *bufp = sbuf;
double dexp;
int exp;
- size_t max_size = 1;
+ size_t max_size = 2; /* including possible sign */
int size;
int new_fmt = fmt;
int fpe_was_unmasked;
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index f796ea64d3..109d3313c7 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -2452,7 +2452,7 @@ term_to_binary(_Term) ->
Term :: term(),
Options :: [compressed |
{compressed, Level :: 0..9} |
- {minor_version, Version :: 0..1} ].
+ {minor_version, Version :: 0..2} ].
term_to_binary(_Term, _Options) ->
erlang:nif_error(undefined).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 17:52:08 +0000