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-rw-r--r--erts/emulator/beam/erl_alloc.c2
-rw-r--r--erts/emulator/beam/erl_alloc.h8
-rw-r--r--erts/emulator/beam/erl_alloc_util.c9
-rw-r--r--erts/emulator/beam/erl_instrument.c8
-rw-r--r--lib/stdlib/src/io_lib_fread.erl64
-rw-r--r--lib/stdlib/test/io_SUITE.erl30
6 files changed, 66 insertions, 55 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 840534ec5e..57127963fc 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -597,7 +597,7 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
/* Init low memory variants by cloning */
init.sbmbc_low_alloc = init.sbmbc_alloc;
init.sbmbc_low_alloc.init.util.name_prefix = "sbmbc_low_";
- init.sbmbc_low_alloc.init.util.alloc_no = ERTS_ALC_A_STANDARD_LOW;
+ init.sbmbc_low_alloc.init.util.alloc_no = ERTS_ALC_A_SBMBC_LOW;
init.sbmbc_low_alloc.init.util.low_mem = 1;
init.std_low_alloc = init.std_alloc;
diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h
index ce792d4d17..c35a60da22 100644
--- a/erts/emulator/beam/erl_alloc.h
+++ b/erts/emulator/beam/erl_alloc.h
@@ -99,6 +99,14 @@ unsigned long erts_alc_test(unsigned long,
#define ERTS_ALC_MIN_LONG_LIVED_TIME (10*60*1000)
+#if HALFWORD_HEAP
+#define ERTS_IS_SBMBC_ALLOCATOR_NO__(NO) \
+ ((NO) == ERTS_ALC_A_SBMBC || (NO) == ERTS_ALC_A_SBMBC_LOW)
+#else
+#define ERTS_IS_SBMBC_ALLOCATOR_NO__(NO) \
+ ((NO) == ERTS_ALC_A_SBMBC)
+#endif
+
typedef struct {
int alloc_util;
int enabled;
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 19c552d8cd..d51ed0c36d 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -3436,10 +3436,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
allctr->sbmbc_threshold = init->sbmbct;
if (!erts_have_sbmbc_alloc
-#if HALFWORD_HEAP
- || allctr->alloc_no == ERTS_ALC_A_SBMBC_LOW
-#endif
- || allctr->alloc_no == ERTS_ALC_A_SBMBC)
+ || ERTS_IS_SBMBC_ALLOCATOR_NO__(allctr->alloc_no))
allctr->sbmbc_threshold = 0;
if (!allctr->sbmbc_threshold)
@@ -3466,14 +3463,14 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_mtx_init_x_opt(&allctr->mutex,
- allctr->alloc_no == ERTS_ALC_A_SBMBC
+ ERTS_IS_SBMBC_ALLOCATOR_NO__(allctr->alloc_no)
? "sbmbc_alloc"
: "alcu_allocator",
make_small(allctr->alloc_no),
ERTS_LCNT_LT_ALLOC);
#else
erts_mtx_init_x(&allctr->mutex,
- allctr->alloc_no == ERTS_ALC_A_SBMBC
+ ERTS_IS_SBMBC_ALLOCATOR_NO__(allctr->alloc_no)
? "sbmbc_alloc"
: "alcu_allocator",
make_small(allctr->alloc_no));
diff --git a/erts/emulator/beam/erl_instrument.c b/erts/emulator/beam/erl_instrument.c
index c5615818f2..04ea004ef7 100644
--- a/erts/emulator/beam/erl_instrument.c
+++ b/erts/emulator/beam/erl_instrument.c
@@ -1152,14 +1152,6 @@ erts_instr_get_type_info(Process *proc)
return res;
}
-#if HALFWORD_HEAP
-#define ERTS_IS_SBMBC_ALLOCATOR_NO__(NO) \
- ((NO) == ERTS_ALC_A_SBMBC || (NO) == ERTS_ALC_A_SBMBC_LOW)
-#else
-#define ERTS_IS_SBMBC_ALLOCATOR_NO__(NO) \
- ((NO) == ERTS_ALC_A_SBMBC)
-#endif
-
Uint
erts_instr_init(int stat, int map_stat)
{
diff --git a/lib/stdlib/src/io_lib_fread.erl b/lib/stdlib/src/io_lib_fread.erl
index 52aa4d073c..ded1346097 100644
--- a/lib/stdlib/src/io_lib_fread.erl
+++ b/lib/stdlib/src/io_lib_fread.erl
@@ -24,6 +24,10 @@
-import(lists, [reverse/1,reverse/2]).
+-define(is_whitespace(C),
+ ((C) =:= $\s orelse (C) =:= $\t
+ orelse (C) =:= $\r orelse (C) =:= $\n)).
+
%%-----------------------------------------------------------------------
%% fread(Continuation, CharList, FormatString)
@@ -106,31 +110,27 @@ fread_line(Format0, Line, N0, Results0, More, Newline) ->
fread(Format, Line) ->
fread(Format, Line, 0, []).
-fread([$~|Format0], Line, N, Results) ->
+fread([$~|Format0]=AllFormat, Line, N, Results) ->
{Format,F,Sup,Unicode} = fread_field(Format0),
- fread1(Format, F, Sup, Unicode, Line, N, Results, Format0);
-fread([$\s|Format], Line, N, Results) ->
- fread_skip_white(Format, Line, N, Results);
-fread([$\t|Format], Line, N, Results) ->
- fread_skip_white(Format, Line, N, Results);
-fread([$\r|Format], Line, N, Results) ->
- fread_skip_white(Format, Line, N, Results);
-fread([$\n|Format], Line, N, Results) ->
+ fread1(Format, F, Sup, Unicode, Line, N, Results, AllFormat);
+fread([C|Format], Line, N, Results) when ?is_whitespace(C) ->
fread_skip_white(Format, Line, N, Results);
fread([C|Format], [C|Line], N, Results) ->
fread(Format, Line, N+1, Results);
fread([_F|_Format], [_C|_Line], _N, _Results) ->
fread_error(input);
+fread([_|_]=Format, [], N, Results) ->
+ {more,Format,N,Results};
+fread([_|_], eof, 0, []) ->
+ %% This is at start of input so no error.
+ eof;
+fread([_|_], eof, _N, _Results) ->
+ %% This is an error as there is no more input.
+ fread_error(input);
fread([], Line, _N, Results) ->
{ok,reverse(Results),Line}.
-fread_skip_white(Format, [$\s|Line], N, Results) ->
- fread_skip_white(Format, Line, N+1, Results);
-fread_skip_white(Format, [$\t|Line], N, Results) ->
- fread_skip_white(Format, Line, N+1, Results);
-fread_skip_white(Format, [$\r|Line], N, Results) ->
- fread_skip_white(Format, Line, N+1, Results);
-fread_skip_white(Format, [$\n|Line], N, Results) ->
+fread_skip_white(Format, [C|Line], N, Results) when ?is_whitespace(C) ->
fread_skip_white(Format, Line, N+1, Results);
fread_skip_white(Format, Line, N, Results) ->
fread(Format, Line, N, Results).
@@ -166,9 +166,9 @@ fread1([$l|Format], _F, Sup, _U, Line, N, Res, _AllFormat) ->
fread(Format, Line, N, fread_result(Sup, N, Res));
fread1(_Format, _F, _Sup, _U, [], N, Res, AllFormat) ->
%% Need more input here.
- {more,[$~|AllFormat],N,Res};
-fread1(_Format, _F, _Sup, _U, eof, _N, [], _AllFormat) ->
- %% This is at start of format string so no error.
+ {more,AllFormat,N,Res};
+fread1(_Format, _F, _Sup, _U, eof, 0, [], _AllFormat) ->
+ %% This is at start of input so no error.
eof;
fread1(_Format, _F, _Sup, _U, eof, _N, _Res, _AllFormat) ->
%% This is an error as there is no more input.
@@ -386,26 +386,16 @@ fread_string_cs(Line0, N0, true) ->
%% fread_digits(Line, N, Base, Characters)
%% Read segments of things, return "thing" characters in reverse order.
-fread_skip_white([$\s|Line]) -> fread_skip_white(Line);
-fread_skip_white([$\t|Line]) -> fread_skip_white(Line);
-fread_skip_white([$\r|Line]) -> fread_skip_white(Line);
-fread_skip_white([$\n|Line]) -> fread_skip_white(Line);
+fread_skip_white([C|Line]) when ?is_whitespace(C) ->
+ fread_skip_white(Line);
fread_skip_white(Line) -> Line.
-fread_skip_white([$\s|Line], N) ->
- fread_skip_white(Line, N+1);
-fread_skip_white([$\t|Line], N) ->
- fread_skip_white(Line, N+1);
-fread_skip_white([$\r|Line], N) ->
- fread_skip_white(Line, N+1);
-fread_skip_white([$\n|Line], N) ->
+fread_skip_white([C|Line], N) when ?is_whitespace(C) ->
fread_skip_white(Line, N+1);
fread_skip_white(Line, N) -> {Line,N}.
-fread_skip_latin1_nonwhite([$\s|Line], N, Cs) -> {[$\s|Line],N,Cs};
-fread_skip_latin1_nonwhite([$\t|Line], N, Cs) -> {[$\t|Line],N,Cs};
-fread_skip_latin1_nonwhite([$\r|Line], N, Cs) -> {[$\r|Line],N,Cs};
-fread_skip_latin1_nonwhite([$\n|Line], N, Cs) -> {[$\n|Line],N,Cs};
+fread_skip_latin1_nonwhite([C|Line], N, Cs) when ?is_whitespace(C) ->
+ {[C|Line],N,Cs};
fread_skip_latin1_nonwhite([C|Line], N, []) when C > 255 ->
{[C|Line],N,error};
fread_skip_latin1_nonwhite([C|Line], N, Cs) when C > 255 ->
@@ -414,10 +404,8 @@ fread_skip_latin1_nonwhite([C|Line], N, Cs) ->
fread_skip_latin1_nonwhite(Line, N+1, [C|Cs]);
fread_skip_latin1_nonwhite([], N, Cs) -> {[],N,Cs}.
-fread_skip_nonwhite([$\s|Line], N, Cs) -> {[$\s|Line],N,Cs};
-fread_skip_nonwhite([$\t|Line], N, Cs) -> {[$\t|Line],N,Cs};
-fread_skip_nonwhite([$\r|Line], N, Cs) -> {[$\r|Line],N,Cs};
-fread_skip_nonwhite([$\n|Line], N, Cs) -> {[$\n|Line],N,Cs};
+fread_skip_nonwhite([C|Line], N, Cs) when ?is_whitespace(C) ->
+ {[C|Line],N,Cs};
fread_skip_nonwhite([C|Line], N, Cs) ->
fread_skip_nonwhite(Line, N+1, [C|Cs]);
fread_skip_nonwhite([], N, Cs) -> {[],N,Cs}.
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl
index 54a98985cd..bb02a879c2 100644
--- a/lib/stdlib/test/io_SUITE.erl
+++ b/lib/stdlib/test/io_SUITE.erl
@@ -27,7 +27,7 @@
otp_6282/1, otp_6354/1, otp_6495/1, otp_6517/1, otp_6502/1,
manpage/1, otp_6708/1, otp_7084/1, otp_7421/1,
io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1,
- io_fread_newlines/1, otp_8989/1]).
+ io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1]).
%-define(debug, true).
@@ -62,7 +62,7 @@ all() ->
otp_6282, otp_6354, otp_6495, otp_6517, otp_6502,
manpage, otp_6708, otp_7084, otp_7421,
io_lib_collect_line_3_wb, cr_whitespace_in_string,
- io_fread_newlines, otp_8989].
+ io_fread_newlines, otp_8989, io_lib_fread_literal].
groups() ->
[].
@@ -1995,3 +1995,29 @@ otp_8989(Suite) when is_list(Suite) ->
?line "Hel " = fmt("~-4.*s", [3,Hello]),
?line "Hel " = fmt("~*.*s", [-4,3,Hello]),
ok.
+
+io_lib_fread_literal(doc) ->
+ "OTP-9439 io_lib:fread bug for literate at end";
+io_lib_fread_literal(Suite) when is_list(Suite) ->
+ ?line {more,"~d",0,""} = io_lib:fread("~d", ""),
+ ?line {error,{fread,integer}} = io_lib:fread("~d", " "),
+ ?line {more,"~d",1,""} = io_lib:fread(" ~d", " "),
+ ?line {ok,[17],"X"} = io_lib:fread(" ~d", " 17X"),
+ %%
+ ?line {more,"d",0,""} = io_lib:fread("d", ""),
+ ?line {error,{fread,input}} = io_lib:fread("d", " "),
+ ?line {more,"d",1,""} = io_lib:fread(" d", " "),
+ ?line {ok,[],"X"} = io_lib:fread(" d", " dX"),
+ %%
+ ?line {done,eof,_} = io_lib:fread([], eof, "~d"),
+ ?line {done,eof,_} = io_lib:fread([], eof, " ~d"),
+ ?line {more,C1} = io_lib:fread([], " \n", " ~d"),
+ ?line {done,{error,{fread,input}},_} = io_lib:fread(C1, eof, " ~d"),
+ ?line {done,{ok,[18]},""} = io_lib:fread(C1, "18\n", " ~d"),
+ %%
+ ?line {done,eof,_} = io_lib:fread([], eof, "d"),
+ ?line {done,eof,_} = io_lib:fread([], eof, " d"),
+ ?line {more,C2} = io_lib:fread([], " \n", " d"),
+ ?line {done,{error,{fread,input}},_} = io_lib:fread(C2, eof, " d"),
+ ?line {done,{ok,[]},[]} = io_lib:fread(C2, "d\n", " d"),
+ ok.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 09:35:10 +0000