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authorIngela Anderton Andin <[email protected]>2014-09-05 09:49:59 +0200
committerIngela Anderton Andin <[email protected]>2014-09-05 09:49:59 +0200
commit38f49f460ffee0f6f3cbfef129c76e160c63d1a4 (patch)
tree7ee410b853ca2ad861c60409fa4fc5d65c3636a9
parent8ad5bd0ef8143f5ac32bd2df11d59a20e7eb0527 (diff)
parent35ff91189c8dd4ceed3d8f29536f500787ba4782 (diff)
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otp-38f49f460ffee0f6f3cbfef129c76e160c63d1a4.tar.bz2
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Merge branch 'maint' of git-server:otp into maint
-rw-r--r--erts/emulator/beam/bif.c13
-rw-r--r--erts/emulator/beam/big.c11
-rw-r--r--erts/emulator/beam/erl_nif.c12
-rw-r--r--erts/emulator/beam/external.c2
-rw-r--r--erts/emulator/test/nif_SUITE.erl17
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c21
-rw-r--r--erts/emulator/test/num_bif_SUITE.erl32
-rw-r--r--erts/etc/common/run_erl_common.c19
-rw-r--r--erts/etc/unix/run_erl.c4
-rw-r--r--lib/ic/c_src/oe_ei_encode_pid.c2
-rw-r--r--lib/odbc/c_src/odbcserver.c19
-rw-r--r--lib/odbc/c_src/odbcserver.h4
-rw-r--r--lib/stdlib/doc/src/maps.xml17
-rw-r--r--lib/stdlib/test/maps_SUITE.erl33
-rw-r--r--system/doc/efficiency_guide/binaryhandling.xml7
15 files changed, 151 insertions, 62 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index f3c05d047d..a5be8e1529 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2014. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -2891,9 +2891,6 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
res = big_plus_small(res, m, hp);
}
- if (is_big(res)) /* check if small */
- res = big_plus_small(res, 0, hp); /* includes conversion to small */
-
if (neg) {
if (is_small(res))
res = make_small(-signed_val(res));
@@ -2903,8 +2900,12 @@ static int do_list_to_integer(Process *p, Eterm orig_list,
}
}
- if (is_big(res)) {
- hp += (big_arity(res)+1);
+ if (is_not_small(res)) {
+ res = big_plus_small(res, 0, hp); /* includes conversion to small */
+
+ if (is_not_small(res)) {
+ hp += (big_arity(res)+1);
+ }
}
HRelease(p,hp_end,hp);
}
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index e62caa6b22..a8710dd910 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -2675,9 +2675,6 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes,
res = big_plus_small(res, m, hp);
}
- if (is_big(res)) /* check if small */
- res = big_plus_small(res, 0, hp); /* includes conversion to small */
-
if (neg) {
if (is_small(res))
res = make_small(-signed_val(res));
@@ -2687,8 +2684,12 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes,
}
}
- if (is_big(res)) {
- hp += (big_arity(res) + 1);
+ if (is_not_small(res)) {
+ res = big_plus_small(res, 0, hp); /* includes conversion to small */
+
+ if (is_not_small(res)) {
+ hp += (big_arity(res) + 1);
+ }
}
HRelease(BIF_P, hp_end, hp);
goto bytebuf_to_integer_1_done;
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 1414744763..1caea6dcf8 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -472,6 +472,18 @@ int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin)
struct enif_tmp_obj_t* tmp;
byte* raw_ptr;
}u;
+
+ if (is_boxed(bin_term) && *binary_val(bin_term) == HEADER_SUB_BIN) {
+ ErlSubBin* sb = (ErlSubBin*) binary_val(bin_term);
+ if (sb->is_writable) {
+ ProcBin* pb = (ProcBin*) binary_val(sb->orig);
+ ASSERT(pb->thing_word == HEADER_PROC_BIN);
+ if (pb->flags) {
+ erts_emasculate_writable_binary(pb);
+ sb->is_writable = 0;
+ }
+ }
+ }
u.tmp = NULL;
bin->data = erts_get_aligned_binary_bytes_extra(bin_term, &u.raw_ptr, allocator,
sizeof(struct enif_tmp_obj_t));
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 8d240355b0..9b9b4b2a62 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -1925,6 +1925,7 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
}
real_size = endp - bytes;
result_bin = erts_bin_realloc(context->s.ec.result_bin,real_size);
+ result_bin->orig_size = real_size;
level = context->s.ec.level;
BUMP_REDS(p, (initial_reds - reds) / TERM_TO_BINARY_LOOP_FACTOR);
if (level == 0 || real_size < 6) { /* We are done */
@@ -2004,6 +2005,7 @@ static Eterm erts_term_to_binary_int(Process* p, Eterm Term, int level, Uint fla
erl_zlib_deflate_finish(&(context->s.cc.stream));
result_bin = erts_bin_realloc(context->s.cc.destination_bin,
context->s.cc.dest_len+6);
+ result_bin->orig_size = context->s.cc.dest_len+6;
context->s.cc.destination_bin = NULL;
pb = (ProcBin *) HAlloc(p, PROC_BIN_SIZE);
pb->thing_word = HEADER_PROC_BIN;
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index 01ee71c4fa..14e6585220 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -37,6 +37,7 @@
threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1,
is_checks/1,
get_length/1, make_atom/1, make_string/1, reverse_list_test/1,
+ otp_9828/1,
otp_9668/1, consume_timeslice/1, dirty_nif/1, dirty_nif_send/1,
dirty_nif_exception/1, nif_schedule/1
]).
@@ -65,6 +66,7 @@ all() ->
resource_takeover, threading, send, send2, send3,
send_threaded, neg, is_checks, get_length, make_atom,
make_string,reverse_list_test,
+ otp_9828,
otp_9668, consume_timeslice,
nif_schedule, dirty_nif, dirty_nif_send, dirty_nif_exception
].
@@ -1442,6 +1444,20 @@ otp_9668(Config) ->
?line verify_tmpmem(TmpMem),
ok.
+otp_9828(doc) -> ["Copy of writable binary"];
+otp_9828(Config) ->
+ ensure_lib_loaded(Config, 1),
+
+ otp_9828_loop(<<"I'm alive!">>, 1000).
+
+otp_9828_loop(Bin, 0) ->
+ ok;
+otp_9828_loop(Bin, Val) ->
+ WrtBin = <<Bin/binary, Val:32>>,
+ ok = otp_9828_nif(WrtBin),
+ otp_9828_loop(WrtBin, Val-1).
+
+
consume_timeslice(Config) when is_list(Config) ->
CONTEXT_REDS = 2000,
Me = self(),
@@ -1718,6 +1734,7 @@ reverse_list(_) -> ?nif_stub.
echo_int(_) -> ?nif_stub.
type_sizes() -> ?nif_stub.
otp_9668_nif(_) -> ?nif_stub.
+otp_9828_nif(_) -> ?nif_stub.
consume_timeslice_nif(_,_) -> ?nif_stub.
call_nif_schedule(_,_) -> ?nif_stub.
call_dirty_nif(_,_,_) -> ?nif_stub.
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index ad9d5d9254..ff5fb8c5af 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -1473,6 +1473,26 @@ static ERL_NIF_TERM otp_9668_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar
return atom_ok;
}
+static ERL_NIF_TERM otp_9828_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ /* copy a writable binary could reallocate it due to "emasculation"
+ and thereby render a previous inspection invalid.
+ */
+ ErlNifBinary bin1;
+ ErlNifEnv* myenv;
+
+ if (!enif_inspect_binary(env, argv[0], &bin1)) {
+ return enif_make_badarg(env);
+ }
+
+ myenv = enif_alloc_env();
+ enif_make_copy(myenv, argv[0]);
+ enif_free_env(myenv);
+
+ return memcmp(bin1.data, "I'm alive!", 10)==0 ? atom_ok : atom_false;
+}
+
+
static ERL_NIF_TERM consume_timeslice_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
int percent;
@@ -1772,6 +1792,7 @@ static ErlNifFunc nif_funcs[] =
{"echo_int", 1, echo_int},
{"type_sizes", 0, type_sizes},
{"otp_9668_nif", 1, otp_9668_nif},
+ {"otp_9828_nif", 1, otp_9828_nif},
{"consume_timeslice_nif", 2, consume_timeslice_nif},
{"call_nif_schedule", 2, call_nif_schedule},
#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl
index ff8d18eef8..8cf8377c30 100644
--- a/erts/emulator/test/num_bif_SUITE.erl
+++ b/erts/emulator/test/num_bif_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -394,18 +394,15 @@ t_string_to_integer(Config) when is_list(Config) ->
test_sti(268435455),
test_sti(-268435455),
- %% 1 bsl 28 - 1, just before 32 bit bignum
- test_sti(1 bsl 28 - 1),
- %% 1 bsl 28, just beyond 32 bit small
- test_sti(1 bsl 28),
- %% 1 bsl 33, just beyond 32 bit
- test_sti(1 bsl 33),
- %% 1 bsl 60 - 1, just before 64 bit bignum
- test_sti(1 bsl 60 - 1),
- %% 1 bsl 60, just beyond 64 bit small
- test_sti(1 bsl 60),
- %% 1 bsl 65, just beyond 64 bit
- test_sti(1 bsl 65),
+ % Interesting values around 2-pows, such as MIN_SMALL and MAX_SMALL.
+ lists:foreach(fun(Bits) ->
+ N = 1 bsl Bits,
+ test_sti(N - 1),
+ test_sti(N),
+ test_sti(N + 1)
+ end,
+ lists:seq(16, 130)),
+
%% Bignums.
test_sti(123456932798748738738,16),
test_sti(list_to_integer(lists:duplicate(2000, $1))),
@@ -454,10 +451,11 @@ test_sti(Num) ->
end|| Base <- lists:seq(2,36)].
test_sti(Num,Base) ->
- Num = list_to_integer(int2list(Num,Base),Base),
- Num = -1*list_to_integer(int2list(Num*-1,Base),Base),
- Num = binary_to_integer(int2bin(Num,Base),Base),
- Num = -1*binary_to_integer(int2bin(Num*-1,Base),Base).
+ Neg = -Num,
+ Num = list_to_integer(int2list(Num,Base),Base),
+ Neg = list_to_integer(int2list(Num*-1,Base),Base),
+ Num = binary_to_integer(int2bin(Num,Base),Base),
+ Neg = binary_to_integer(int2bin(Num*-1,Base),Base).
% Calling this function (which is not supposed to be inlined) prevents
% the compiler from calculating the answer, so we don't test the compiler
diff --git a/erts/etc/common/run_erl_common.c b/erts/etc/common/run_erl_common.c
index dc55c2bea4..580b6cc3c5 100644
--- a/erts/etc/common/run_erl_common.c
+++ b/erts/etc/common/run_erl_common.c
@@ -74,15 +74,6 @@
* run_erl multiple times with different global variables without them
* effecting eachother.
*/
-typedef struct run_erl_ run_erl;
-
-#ifdef __OSE__
-static OSPPDKEY run_erl_pp_key;
-#define RE_DATA (*(run_erl**)ose_get_ppdata(run_erl_pp_key))
-#else
-static run_erl re;
-#define RE_DATA (&re)
-#endif
#define STATUSFILE (RE_DATA->statusfile)
#define LOG_DIR (RE_DATA->log_dir)
@@ -116,6 +107,16 @@ struct run_erl_ {
unsigned protocol_ver;
};
+typedef struct run_erl_ run_erl;
+
+#ifdef __OSE__
+static OSPPDKEY run_erl_pp_key;
+#define RE_DATA (*(run_erl**)ose_get_ppdata(run_erl_pp_key))
+#else
+static run_erl re;
+#define RE_DATA (&re)
+#endif
+
/* prototypes */
static int next_log(int log_num);
diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c
index a6fc4c2bf5..4b123b8911 100644
--- a/erts/etc/unix/run_erl.c
+++ b/erts/etc/unix/run_erl.c
@@ -40,9 +40,13 @@
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+
#ifdef HAVE_WORKING_POSIX_OPENPT
+#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#endif
+#endif
+
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
diff --git a/lib/ic/c_src/oe_ei_encode_pid.c b/lib/ic/c_src/oe_ei_encode_pid.c
index b7083f84a0..609f441cf8 100644
--- a/lib/ic/c_src/oe_ei_encode_pid.c
+++ b/lib/ic/c_src/oe_ei_encode_pid.c
@@ -23,7 +23,7 @@
int oe_ei_encode_pid(CORBA_Environment *ev, const erlang_pid *p) {
int size = ev->_iout;
- (int) ei_encode_pid(NULL, &size, p);
+ ei_encode_pid(NULL, &size, p);
if (size >= ev->_outbufsz) {
char *buf = ev->_outbuf;
diff --git a/lib/odbc/c_src/odbcserver.c b/lib/odbc/c_src/odbcserver.c
index b4655ce373..84c201a656 100644
--- a/lib/odbc/c_src/odbcserver.c
+++ b/lib/odbc/c_src/odbcserver.c
@@ -389,6 +389,9 @@ DWORD WINAPI database_handler(const char *port)
close_socket(socket);
clean_socket_lib();
/* Exit will be done by suervisor thread */
+#ifdef WIN32
+ return (DWORD)0;
+#endif
}
/* Description: Calls the appropriate function to handle the database
@@ -631,7 +634,7 @@ static db_result_msg db_query(byte *sql, db_state *state)
&statement_handle(state))))
DO_EXIT(EXIT_ALLOC);
- result = SQLExecDirect(statement_handle(state), sql, SQL_NTS);
+ result = SQLExecDirect(statement_handle(state), (SQLCHAR *)sql, SQL_NTS);
/* SQL_SUCCESS_WITH_INFO at this point may indicate an error in user input. */
if (result != SQL_SUCCESS && result != SQL_NO_DATA_FOUND) {
@@ -723,7 +726,7 @@ static db_result_msg db_select_count(byte *sql, db_state *state)
(SQLPOINTER)SQL_SCROLLABLE, (SQLINTEGER)0);
}
- if(!sql_success(SQLExecDirect(statement_handle(state), sql, SQL_NTS))) {
+ if(!sql_success(SQLExecDirect(statement_handle(state), (SQLCHAR *)sql, SQL_NTS))) {
diagnos = get_diagnos(SQL_HANDLE_STMT, statement_handle(state), extended_errors(state));
clean_state(state);
return encode_error_message(diagnos.error_msg, extended_error(state, diagnos.sqlState), diagnos.nativeError);
@@ -864,7 +867,7 @@ static db_result_msg db_param_query(byte *buffer, db_state *state)
if(params != NULL) {
- result = SQLExecDirect(statement_handle(state), sql, SQL_NTS);
+ result = SQLExecDirect(statement_handle(state), (SQLCHAR *)sql, SQL_NTS);
if (!sql_success(result) || result == SQL_NO_DATA) {
diagnos = get_diagnos(SQL_HANDLE_STMT, statement_handle(state), extended_errors(state));
}
@@ -955,7 +958,7 @@ static db_result_msg db_describe_table(byte *sql, db_state *state)
&statement_handle(state))))
DO_EXIT(EXIT_ALLOC);
- if (!sql_success(SQLPrepare(statement_handle(state), sql, SQL_NTS))){
+ if (!sql_success(SQLPrepare(statement_handle(state), (SQLCHAR *)sql, SQL_NTS))){
diagnos = get_diagnos(SQL_HANDLE_STMT, statement_handle(state), extended_errors(state));
msg = encode_error_message(diagnos.error_msg, extended_error(state, diagnos.sqlState), diagnos.nativeError);
clean_state(state);
@@ -1324,7 +1327,7 @@ static db_result_msg encode_column_name_list(SQLSMALLINT num_of_columns,
if (columns(state)[i].type.c == SQL_C_BINARY) {
/* retrived later by retrive_binary_data */
- }else {
+ } else {
if(!sql_success(
SQLBindCol
(statement_handle(state),
@@ -1336,7 +1339,7 @@ static db_result_msg encode_column_name_list(SQLSMALLINT num_of_columns,
DO_EXIT(EXIT_BIND);
}
ei_x_encode_string_len(&dynamic_buffer(state),
- name, name_len);
+ (char *)name, name_len);
}
else {
columns(state)[i].type.len = 0;
@@ -2739,8 +2742,8 @@ static diagnos get_diagnos(SQLSMALLINT handleType, SQLHANDLE handle, Boolean ext
the error message is obtained */
for(record_nr = 1; ;record_nr++) {
result = SQLGetDiagRec(handleType, handle, record_nr, current_sql_state,
- &nativeError, current_errmsg_pos,
- (SQLSMALLINT)errmsg_buffer_size, &errmsg_size);
+ &nativeError, (SQLCHAR *)current_errmsg_pos,
+ (SQLSMALLINT)errmsg_buffer_size, &errmsg_size);
if(result == SQL_SUCCESS) {
/* update the sqlstate in the diagnos record, because the SQLGetDiagRec
call succeeded */
diff --git a/lib/odbc/c_src/odbcserver.h b/lib/odbc/c_src/odbcserver.h
index 916a7cb31d..7112fd2d47 100644
--- a/lib/odbc/c_src/odbcserver.h
+++ b/lib/odbc/c_src/odbcserver.h
@@ -119,7 +119,7 @@
/*------------------------ TYPDEFS ----------------------------------*/
-typedef unsigned char byte;
+typedef char byte;
typedef int Boolean;
typedef struct {
@@ -201,4 +201,4 @@ typedef enum {
#define param_query(db_state) (db_state -> param_query)
#define out_params(db_state) (db_state -> out_params)
#define extended_errors(db_state) (db_state -> extended_errors)
-#define extended_error(db_state, errorcode) ( extended_errors(state) ? errorcode : NULL )
+#define extended_error(db_state, errorcode) ( extended_errors(state) ? ((char *)errorcode) : NULL )
diff --git a/lib/stdlib/doc/src/maps.xml b/lib/stdlib/doc/src/maps.xml
index b37f7fd7fd..64229fa8d3 100644
--- a/lib/stdlib/doc/src/maps.xml
+++ b/lib/stdlib/doc/src/maps.xml
@@ -319,6 +319,23 @@ false</code>
</func>
<func>
+ <name name="with" arity="2"/>
+ <fsummary></fsummary>
+ <desc>
+ <p>
+ Returns a new map <c><anno>Map2</anno></c> with the keys <c>K1</c> through <c>Kn</c> and their associated values from map <c><anno>Map1</anno></c>.
+ Any key in <c><anno>Ks</anno></c> that does not exist in <c><anno>Map1</anno></c> are ignored.
+ </p>
+ <p>Example:</p>
+ <code type="none">
+> Map = #{42 => value_three,1337 => "value two","a" => 1},
+ Ks = ["a",42,"other key"],
+ maps:without(Ks,Map).
+#{42 => value_three,"a" => 1}</code>
+ </desc>
+ </func>
+
+ <func>
<name name="without" arity="2"/>
<fsummary></fsummary>
<desc>
diff --git a/lib/stdlib/test/maps_SUITE.erl b/lib/stdlib/test/maps_SUITE.erl
index c826ee731a..dda20a615b 100644
--- a/lib/stdlib/test/maps_SUITE.erl
+++ b/lib/stdlib/test/maps_SUITE.erl
@@ -24,10 +24,7 @@
-include_lib("test_server/include/test_server.hrl").
-% Default timetrap timeout (set in init_per_testcase).
-% This should be set relatively high (10-15 times the expected
-% max testcasetime).
--define(default_timeout, ?t:minutes(4)).
+-define(default_timeout, ?t:minutes(1)).
% Test server specific exports
-export([all/0]).
@@ -37,13 +34,13 @@
-export([init_per_testcase/2]).
-export([end_per_testcase/2]).
--export([get3/1]).
+-export([t_get_3/1,t_with_2/1,t_without_2/1]).
suite() ->
[{ct_hooks, [ts_install_cth]}].
all() ->
- [get3].
+ [t_get_3,t_with_2,t_without_2].
init_per_suite(Config) ->
Config.
@@ -52,7 +49,7 @@ end_per_suite(_Config) ->
ok.
init_per_testcase(_Case, Config) ->
- ?line Dog=test_server:timetrap(?default_timeout),
+ Dog=test_server:timetrap(?default_timeout),
[{watchdog, Dog}|Config].
end_per_testcase(_Case, Config) ->
@@ -60,10 +57,24 @@ end_per_testcase(_Case, Config) ->
test_server:timetrap_cancel(Dog),
ok.
-get3(Config) when is_list(Config) ->
+t_get_3(Config) when is_list(Config) ->
Map = #{ key1 => value1, key2 => value2 },
DefaultValue = "Default value",
- ?line value1 = maps:get(key1, Map, DefaultValue),
- ?line value2 = maps:get(key2, Map, DefaultValue),
- ?line DefaultValue = maps:get(key3, Map, DefaultValue),
+ value1 = maps:get(key1, Map, DefaultValue),
+ value2 = maps:get(key2, Map, DefaultValue),
+ DefaultValue = maps:get(key3, Map, DefaultValue),
+ ok.
+
+t_without_2(_Config) ->
+ Ki = [11,22,33,44,55,66,77,88,99],
+ M0 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100)]),
+ M1 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100) -- Ki]),
+ M1 = maps:without([{k,I}||I <- Ki],M0),
+ ok.
+
+t_with_2(_Config) ->
+ Ki = [11,22,33,44,55,66,77,88,99],
+ M0 = maps:from_list([{{k,I},{v,I}}||I<-lists:seq(1,100)]),
+ M1 = maps:from_list([{{k,I},{v,I}}||I<-Ki]),
+ M1 = maps:with([{k,I}||I <- Ki],M0),
ok.
diff --git a/system/doc/efficiency_guide/binaryhandling.xml b/system/doc/efficiency_guide/binaryhandling.xml
index 6b0df49011..4ba1378059 100644
--- a/system/doc/efficiency_guide/binaryhandling.xml
+++ b/system/doc/efficiency_guide/binaryhandling.xml
@@ -5,7 +5,7 @@
<header>
<copyright>
<year>2007</year>
- <year>2013</year>
+ <year>2014</year>
<holder>Ericsson AB, All Rights Reserved</holder>
</copyright>
<legalnotice>
@@ -237,8 +237,9 @@ Bin = <<Bin1,...>> %% Bin1 will be COPIED
<p><c>Bin1</c> will be copied in the third line.</p>
<p>The same thing happens if you insert a binary into an <em>ets</em>
- table or send it to a port using <c>erlang:port_command/2</c>.</p>
-
+ table or send it to a port using <c>erlang:port_command/2</c> or pass it to
+ <seealso marker="erts:erl_nif#enif_inspect_binary">enif_inspect_binary</seealso>
+ in a NIF.</p>
<p>Matching a binary will also cause it to shrink and the next append
operation will copy the binary data:</p>