aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/beam_emu.c7
-rw-r--r--erts/emulator/beam/erl_bits.c12
-rw-r--r--erts/emulator/beam/erl_unicode.c24
-rw-r--r--erts/emulator/test/bs_utf_SUITE.erl12
4 files changed, 14 insertions, 41 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 5691f7aec1..76912ebbd6 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -3967,8 +3967,7 @@ void process_main(void)
* too big numbers).
*/
if (is_not_small(val) || val > make_small(0x10FFFFUL) ||
- (make_small(0xD800UL) <= val && val <= make_small(0xDFFFUL)) ||
- val == make_small(0xFFFEUL) || val == make_small(0xFFFFUL)) {
+ (make_small(0xD800UL) <= val && val <= make_small(0xDFFFUL))) {
goto badarg;
}
Next(2);
@@ -3987,8 +3986,8 @@ void process_main(void)
* the valid range).
*/
if (is_not_small(tmp_arg1) || tmp_arg1 > make_small(0x10FFFFUL) ||
- (make_small(0xD800UL) <= tmp_arg1 && tmp_arg1 <= make_small(0xDFFFUL)) ||
- tmp_arg1 == make_small(0xFFFEUL) || tmp_arg1 == make_small(0xFFFFUL)) {
+ (make_small(0xD800UL) <= tmp_arg1 &&
+ tmp_arg1 <= make_small(0xDFFFUL))) {
ErlBinMatchBuffer *mb = ms_matchbuffer(tmp_arg2);
mb->offset -= 32;
diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c
index 326a5c136b..6f7309f493 100644
--- a/erts/emulator/beam/erl_bits.c
+++ b/erts/emulator/beam/erl_bits.c
@@ -845,8 +845,7 @@ erts_bs_put_utf8(ERL_BITS_PROTO_1(Eterm arg))
dst[1] = 0x80 | (val & 0x3F);
num_bits = 16;
} else if (val < 0x10000UL) {
- if ((0xD800 <= val && val <= 0xDFFF) ||
- val == 0xFFFE || val == 0xFFFF) {
+ if (0xD800 <= val && val <= 0xDFFF) {
return 0;
}
dst[0] = 0xE0 | (val >> 12);
@@ -886,8 +885,7 @@ erts_bs_put_utf16(ERL_BITS_PROTO_2(Eterm arg, Uint flags))
return 0;
}
val = unsigned_val(arg);
- if (val > 0x10FFFF || (0xD800 <= val && val <= 0xDFFF) ||
- val == 0xFFFE || val == 0xFFFF) {
+ if (val > 0x10FFFF || (0xD800 <= val && val <= 0xDFFF)) {
return 0;
}
@@ -1652,8 +1650,7 @@ erts_bs_get_utf8(ErlBinMatchBuffer* mb)
return THE_NON_VALUE;
}
result = (((result << 6) + a) << 6) + b - (Eterm) 0x000E2080UL;
- if ((0xD800 <= result && result <= 0xDFFF) ||
- result == 0xFFFE || result == 0xFFFF) {
+ if (0xD800 <= result && result <= 0xDFFF) {
return THE_NON_VALUE;
}
mb->offset += 24;
@@ -1723,9 +1720,6 @@ erts_bs_get_utf16(ErlBinMatchBuffer* mb, Uint flags)
w1 = (src[0] << 8) | src[1];
}
if (w1 < 0xD800 || w1 > 0xDFFF) {
- if (w1 == 0xFFFE || w1 == 0xFFFF) {
- return THE_NON_VALUE;
- }
mb->offset += 16;
return make_small(w1);
} else if (w1 > 0xDBFF) {
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 158eb361a4..bd5f3cc4c1 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -348,12 +348,6 @@ static int copy_utf8_bin(byte *target, byte *source, Uint size,
return copied;
}
- if (((*source) == 0xEF) && (source[1] == 0xBF) &&
- ((source[2] == 0xBE) || (source[2] == 0xBF))) {
- *err_pos = source;
- return copied;
- }
-
*(target++) = *(source++);
*(target++) = *(source++);
*(target++) = *(source++);
@@ -714,9 +708,8 @@ L_Again: /* Restart with sublist, old listend was pushed on stack */
target[(*pos)++] = (((byte) (x & 0x3F)) |
((byte) 0x80));
} else if (x < 0x10000) {
- if ((x >= 0xD800 && x <= 0xDFFF) ||
- (x == 0xFFFE) ||
- (x == 0xFFFF)) { /* Invalid unicode range */
+ if (x >= 0xD800 && x <= 0xDFFF) {
+ /* Invalid unicode range */
*err = 1;
goto done;
}
@@ -1230,10 +1223,6 @@ int erts_analyze_utf8(byte *source, Uint size,
((source[1] & 0x20) != 0)) {
return ERTS_UTF8_ERROR;
}
- if (((*source) == 0xEF) && (source[1] == 0xBF) &&
- ((source[2] == 0xBE) || (source[2] == 0xBF))) {
- return ERTS_UTF8_ERROR;
- }
source += 3;
size -= 3;
} else if (((*source) & ((byte) 0xF8)) == 0xF0) {
@@ -2166,9 +2155,8 @@ L_Again: /* Restart with sublist, old listend was pushed on stack */
} else if (x < 0x800) {
need += 2;
} else if (x < 0x10000) {
- if ((x >= 0xD800 && x <= 0xDFFF) ||
- (x == 0xFFFE) ||
- (x == 0xFFFF)) { /* Invalid unicode range */
+ if (x >= 0xD800 && x <= 0xDFFF) {
+ /* Invalid unicode range */
DESTROY_ESTACK(stack);
return ((Sint) -1);
}
@@ -2314,9 +2302,7 @@ L_Again: /* Restart with sublist, old listend was pushed on stack */
*p++ = (((byte) (x & 0x3F)) |
((byte) 0x80));
} else if (x < 0x10000) {
- ASSERT(!((x >= 0xD800 && x <= 0xDFFF) ||
- (x == 0xFFFE) ||
- (x == 0xFFFF)));
+ ASSERT(!(x >= 0xD800 && x <= 0xDFFF));
*p++ = (((byte) (x >> 12)) |
((byte) 0xE0));
*p++ = ((((byte) (x >> 6)) & 0x3F) |
diff --git a/erts/emulator/test/bs_utf_SUITE.erl b/erts/emulator/test/bs_utf_SUITE.erl
index 72c656c400..4ab7d674a6 100644
--- a/erts/emulator/test/bs_utf_SUITE.erl
+++ b/erts/emulator/test/bs_utf_SUITE.erl
@@ -64,8 +64,7 @@ end_per_group(_GroupName, Config) ->
utf8_roundtrip(Config) when is_list(Config) ->
?line utf8_roundtrip(0, 16#D7FF),
- ?line utf8_roundtrip(16#E000, 16#FFFD),
- ?line utf8_roundtrip(16#10000, 16#10FFFF),
+ ?line utf8_roundtrip(16#E000, 16#10FFFF),
ok.
utf8_roundtrip(First, Last) when First =< Last ->
@@ -91,8 +90,7 @@ utf16_roundtrip(Config) when is_list(Config) ->
do_utf16_roundtrip(Fun) ->
do_utf16_roundtrip(0, 16#D7FF, Fun),
- do_utf16_roundtrip(16#E000, 16#FFFD, Fun),
- do_utf16_roundtrip(16#10000, 16#10FFFF, Fun).
+ do_utf16_roundtrip(16#E000, 16#10FFFF, Fun).
do_utf16_roundtrip(First, Last, Fun) when First =< Last ->
Fun(First),
@@ -129,8 +127,7 @@ utf32_roundtrip(Config) when is_list(Config) ->
do_utf32_roundtrip(Fun) ->
do_utf32_roundtrip(0, 16#D7FF, Fun),
- do_utf32_roundtrip(16#E000, 16#FFFD, Fun),
- do_utf32_roundtrip(16#10000, 16#10FFFF, Fun).
+ do_utf32_roundtrip(16#E000, 16#10FFFF, Fun).
do_utf32_roundtrip(First, Last, Fun) when First =< Last ->
Fun(First),
@@ -158,7 +155,6 @@ utf32_little_roundtrip(Char) ->
utf8_illegal_sequences(Config) when is_list(Config) ->
?line fail_range(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line fail_range(16#D800, 16#DFFF), %Reserved for UTF-16.
- ?line fail_range(16#FFFE, 16#FFFF), %Non-characters.
%% Illegal first character.
?line [fail(<<I,16#8F,16#8F,16#8F>>) || I <- lists:seq(16#80, 16#BF)],
@@ -251,7 +247,6 @@ fail_1(_) -> ok.
utf16_illegal_sequences(Config) when is_list(Config) ->
?line utf16_fail_range(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line utf16_fail_range(16#D800, 16#DFFF), %Reserved for UTF-16.
- ?line utf16_fail_range(16#FFFE, 16#FFFF), %Non-characters.
?line lonely_hi_surrogate(16#D800, 16#DFFF),
?line leading_lo_surrogate(16#DC00, 16#DFFF),
@@ -300,7 +295,6 @@ leading_lo_surrogate(_, _, _) -> ok.
utf32_illegal_sequences(Config) when is_list(Config) ->
?line utf32_fail_range(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line utf32_fail_range(16#D800, 16#DFFF), %Reserved for UTF-16.
- ?line utf32_fail_range(16#FFFE, 16#FFFF), %Non-characters.
?line utf32_fail_range(-100, -1),
ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 22:59:32 +0000