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-rw-r--r--lib/odbc/configure.in22
-rw-r--r--lib/ssh/src/Makefile2
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl25
-rw-r--r--lib/ssh/src/ssh_dbg.erl3
-rw-r--r--lib/ssh/src/ssh_dbg.hrl27
-rw-r--r--lib/ssh/test/ssh_connection_SUITE.erl97
-rw-r--r--lib/ssh/test/ssh_to_openssh_SUITE.erl22
-rw-r--r--lib/stdlib/src/sets.erl66
8 files changed, 171 insertions, 93 deletions
diff --git a/lib/odbc/configure.in b/lib/odbc/configure.in
index d26daa5eda..4deda13c8b 100644
--- a/lib/odbc/configure.in
+++ b/lib/odbc/configure.in
@@ -65,7 +65,7 @@ dnl ---------------------------------------------------------------------
dnl Special windows stuff regarding CFLAGS and details in the environment...
dnl ---------------------------------------------------------------------
LM_WINDOWS_ENVIRONMENT
-
+
AC_PROG_MAKE_SET
AC_CHECK_PROGS(LD, ld.sh)
@@ -136,8 +136,8 @@ AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_addr], [], [],
dnl Checks for library functions.
AC_CHECK_FUNCS([memset socket])
-
-# ODBC
+
+# ODBC
$RM -f "$ERL_TOP/lib/odbc/SKIP"
LM_CHECK_THR_LIB
@@ -147,23 +147,23 @@ AC_SUBST(THR_LIBS)
odbc_lib_link_success=no
AC_SUBST(TARGET_FLAGS)
case $host_os in
- darwin1[[0-5]].*|darwin[[0-9]].*)
+ darwin*)
TARGET_FLAGS="-DUNIX"
if test ! -d "$with_odbc" || test "$with_odbc" = "yes"; then
- ODBC_LIB= -L"/usr/lib"
- ODBC_INCLUDE="-I/usr/lib/include"
+ ODBC_LIB= -L"/usr/local/lib"
+ ODBC_INCLUDE="-I/usr/local/include"
else
ODBC_LIB=-L"$with_odbc/lib"
ODBC_INCLUDE="-I$with_odbc/include"
fi
-
- AC_CHECK_LIB(iodbc, SQLAllocHandle,[ODBC_LIB="$ODBC_LIB -liodbc"; odbc_lib_link_success=yes])
+
+ AC_CHECK_LIB(iodbc, SQLAllocHandle,[ODBC_LIB="$ODBC_LIB -lodbc"; odbc_lib_link_success=yes])
;;
win32|cygwin)
TARGET_FLAGS="-DWIN32"
AC_CHECK_LIB(ws2_32, main)
if test ! -d "$with_odbc" || test "$with_odbc" = "yes"; then
- ODBC_LIB=""
+ ODBC_LIB=""
ODBC_INCLUDE=""
else
ODBC_LIB=-L"$with_odbc/lib"
@@ -196,7 +196,7 @@ AC_SUBST(TARGET_FLAGS)
elif test -d "${libdir}/64/."; then
libdir="${libdir}/64"
fi
- fi
+ fi
ODBC_LIB="-L$libdir"
ODBC_INCLUDE="-I$erl_xcomp_isysroot$rdir/include"
break
@@ -207,7 +207,7 @@ AC_SUBST(TARGET_FLAGS)
echo "No odbc library found" > "$ERL_TOP/lib/odbc/SKIP"
else
AC_MSG_RESULT($ODBC_LIB)
- AC_CHECK_LIB(odbc, SQLAllocHandle,[ODBC_LIB="$ODBC_LIB -lodbc"; odbc_lib_link_success=yes])
+ AC_CHECK_LIB(odbc, SQLAllocHandle,[ODBC_LIB="$ODBC_LIB -lodbc"; odbc_lib_link_success=yes])
fi
;;
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile
index 69d5a47f83..7ab6f22424 100644
--- a/lib/ssh/src/Makefile
+++ b/lib/ssh/src/Makefile
@@ -96,7 +96,7 @@ APP_TARGET= $(EBIN)/$(APP_FILE)
APPUP_SRC= $(APPUP_FILE).src
APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
-INTERNAL_HRL_FILES = ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl ssh.hrl ssh_userauth.hrl ssh_xfer.hrl
+INTERNAL_HRL_FILES = ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl ssh.hrl ssh_userauth.hrl ssh_xfer.hrl ssh_dbg.hrl
# ----------------------------------------------------
# FLAGS
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index dd414894d4..7451c9e6d0 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -928,6 +928,7 @@ handle_event(internal, Msg=#ssh_msg_channel_request{}, StateName, D) -
handle_connection_msg(Msg, StateName, D);
handle_event(internal, Msg=#ssh_msg_channel_success{}, StateName, D) ->
+ update_inet_buffers(D#data.socket),
handle_connection_msg(Msg, StateName, D);
handle_event(internal, Msg=#ssh_msg_channel_failure{}, StateName, D) ->
@@ -1007,6 +1008,7 @@ handle_event(cast, {reply_request,success,ChannelId}, {connected,_}, D) ->
case ssh_channel:cache_lookup(cache(D), ChannelId) of
#channel{remote_id = RemoteId} ->
Msg = ssh_connection:channel_success_msg(RemoteId),
+ update_inet_buffers(D#data.socket),
{keep_state, send_msg(Msg,D)};
undefined ->
@@ -1194,12 +1196,12 @@ handle_event(info, {Proto, Sock, NewData}, StateName, D0 = #data{socket = Sock,
ssh_message:decode(set_kex_overload_prefix(DecryptedBytes,D))
of
Msg = #ssh_msg_kexinit{} ->
- {keep_state, D, [{next_event, internal, {Msg,DecryptedBytes}},
- {next_event, internal, prepare_next_packet}
+ {keep_state, D, [{next_event, internal, prepare_next_packet},
+ {next_event, internal, {Msg,DecryptedBytes}}
]};
Msg ->
- {keep_state, D, [{next_event, internal, Msg},
- {next_event, internal, prepare_next_packet}
+ {keep_state, D, [{next_event, internal, prepare_next_packet},
+ {next_event, internal, Msg}
]}
catch
_C:_E ->
@@ -1738,6 +1740,11 @@ send_replies(Repls, State) ->
Repls).
get_repl({connection_reply,Msg}, {CallRepls,S}) ->
+ if is_record(Msg, ssh_msg_channel_success) ->
+ update_inet_buffers(S#data.socket);
+ true ->
+ ok
+ end,
{CallRepls, send_msg(Msg,S)};
get_repl({channel_data,undefined,_Data}, Acc) ->
Acc;
@@ -1926,3 +1933,13 @@ handshake(Pid, Ref, Timeout) ->
{error, timeout}
end.
+update_inet_buffers(Socket) ->
+ {ok, BufSzs0} = inet:getopts(Socket, [sndbuf,recbuf]),
+ MinVal = 655360,
+ case
+ [{Tag,MinVal} || {Tag,Val} <- BufSzs0,
+ Val < MinVal]
+ of
+ [] -> ok;
+ NewOpts -> inet:setopts(Socket, NewOpts)
+ end.
diff --git a/lib/ssh/src/ssh_dbg.erl b/lib/ssh/src/ssh_dbg.erl
index ce5596e0f9..dff2bae9f2 100644
--- a/lib/ssh/src/ssh_dbg.erl
+++ b/lib/ssh/src/ssh_dbg.erl
@@ -28,6 +28,9 @@
stop/0
]).
+-export([shrink_bin/1,
+ wr_record/3]).
+
-include("ssh.hrl").
-include("ssh_transport.hrl").
-include("ssh_connect.hrl").
diff --git a/lib/ssh/src/ssh_dbg.hrl b/lib/ssh/src/ssh_dbg.hrl
new file mode 100644
index 0000000000..e94664737b
--- /dev/null
+++ b/lib/ssh/src/ssh_dbg.hrl
@@ -0,0 +1,27 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2004-2016. 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%
+%%
+
+-ifndef(SSH_DBG_HRL).
+-define(SSH_DBG_HRL, 1).
+
+-define(formatrec(RecName,R),
+ ssh_dbg:wr_record(R, record_info(fields,RecName), [])).
+
+-endif. % SSH_DBG_HRL defined
diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl
index bcf3b01824..e898d55b6f 100644
--- a/lib/ssh/test/ssh_connection_SUITE.erl
+++ b/lib/ssh/test/ssh_connection_SUITE.erl
@@ -381,13 +381,13 @@ do_interrupted_send(Config, SendSize, EchoSize) ->
{password, "morot"},
{subsystems, [{"echo_n",EchoSS_spec}]}]),
- ct:log("connect", []),
+ ct:log("~p:~p connect", [?MODULE,?LINE]),
ConnectionRef = ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
{user, "foo"},
{password, "morot"},
{user_interaction, false},
{user_dir, UserDir}]),
- ct:log("connected", []),
+ ct:log("~p:~p connected", [?MODULE,?LINE]),
%% build big binary
Data = << <<X:32>> || X <- lists:seq(1,SendSize div 4)>>,
@@ -399,9 +399,9 @@ do_interrupted_send(Config, SendSize, EchoSize) ->
Parent = self(),
ResultPid = spawn(
fun() ->
- ct:log("open channel",[]),
+ ct:log("~p:~p open channel",[?MODULE,?LINE]),
{ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
- ct:log("start subsystem", []),
+ ct:log("~p:~p start subsystem", [?MODULE,?LINE]),
case ssh_connection:subsystem(ConnectionRef, ChannelId, "echo_n", infinity) of
success ->
Parent ! {self(), channelId, ChannelId},
@@ -410,47 +410,69 @@ do_interrupted_send(Config, SendSize, EchoSize) ->
try collect_data(ConnectionRef, ChannelId)
of
ExpectedData ->
+ ct:log("~p:~p got expected data",[?MODULE,?LINE]),
ok;
- _ ->
- {fail,"unexpected result"}
+ Other ->
+ ct:log("~p:~p unexpect: ~p", [?MODULE,?LINE,Other]),
+ {fail,"unexpected result in listener"}
catch
Class:Exception ->
- {fail, io_lib:format("Exception ~p:~p",[Class,Exception])}
+ {fail, io_lib:format("Listener exception ~p:~p",[Class,Exception])}
end,
- Parent ! {self(), Result};
+ Parent ! {self(), result, Result};
Other ->
Parent ! {self(), channelId, error, Other}
end
end),
receive
+ {ResultPid, channelId, error, Other} ->
+ ct:log("~p:~p channelId error ~p", [?MODULE,?LINE,Other]),
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid),
+ {fail, "ssh_connection:subsystem"};
+
{ResultPid, channelId, ChannelId} ->
- %% pre-adjust receive window so the other end doesn't block
- ct:log("adjust window", []),
- ssh_connection:adjust_window(ConnectionRef, ChannelId, size(ExpectedData) + 1),
-
- ct:log("going to send ~p bytes", [size(Data)]),
- case ssh_connection:send(ConnectionRef, ChannelId, Data, 30000) of
- {error, closed} ->
- ct:log("{error,closed} - That's what we expect :)", []),
- ok;
- Msg ->
- ct:log("Got ~p - that's bad, very bad indeed",[Msg]),
- ct:fail({expected,{error,closed}, got, Msg})
- end,
- ct:log("going to check the result (if it is available)", []),
+ ct:log("~p:~p ~p going to send ~p bytes", [?MODULE,?LINE,self(),size(Data)]),
+ SenderPid = spawn(fun() ->
+ Parent ! {self(), ssh_connection:send(ConnectionRef, ChannelId, Data, 30000)}
+ end),
receive
- {ResultPid, Result} ->
- ct:log("Got result: ~p", [Result]),
+ {ResultPid, result, {fail, Fail}} ->
+ ct:log("~p:~p Listener failed: ~p", [?MODULE,?LINE,Fail]),
+ {fail, Fail};
+
+ {ResultPid, result, Result} ->
+ ct:log("~p:~p Got result: ~p", [?MODULE,?LINE,Result]),
ssh:close(ConnectionRef),
ssh:stop_daemon(Pid),
- Result
- end;
+ ct:log("~p:~p Check sender", [?MODULE,?LINE]),
+ receive
+ {SenderPid, {error, closed}} ->
+ ct:log("~p:~p {error,closed} - That's what we expect :)",[?MODULE,?LINE]),
+ ok;
+ Msg ->
+ ct:log("~p:~p Not expected send result: ~p",[?MODULE,?LINE,Msg]),
+ {fail, "Not expected msg"}
+ end;
+
+ {SenderPid, {error, closed}} ->
+ ct:log("~p:~p {error,closed} - That's what we expect, but client channel handler has not reported yet",[?MODULE,?LINE]),
+ receive
+ {ResultPid, result, Result} ->
+ ct:log("~p:~p Now got the result: ~p", [?MODULE,?LINE,Result]),
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid),
+ ok;
+ Msg ->
+ ct:log("~p:~p Got an unexpected msg ~p",[?MODULE,?LINE,Msg]),
+ {fail, "Un-expected msg"}
+ end;
- {ResultPid, channelId, error, Other} ->
- ssh:close(ConnectionRef),
- ssh:stop_daemon(Pid),
- {fail, io_lib:format("ssh_connection:subsystem: ~p",[Other])}
+ Msg ->
+ ct:log("~p:~p Got unexpected ~p",[?MODULE,?LINE,Msg]),
+ {fail, "Unexpected msg"}
+ end
end.
%%--------------------------------------------------------------------
@@ -910,34 +932,35 @@ big_cat_rx(ConnectionRef, ChannelId, Acc) ->
end.
collect_data(ConnectionRef, ChannelId) ->
- ct:log("Listener ~p running! ConnectionRef=~p, ChannelId=~p",[self(),ConnectionRef,ChannelId]),
+ ct:log("~p:~p Listener ~p running! ConnectionRef=~p, ChannelId=~p",[?MODULE,?LINE,self(),ConnectionRef,ChannelId]),
collect_data(ConnectionRef, ChannelId, [], 0).
collect_data(ConnectionRef, ChannelId, Acc, Sum) ->
TO = 5000,
receive
{ssh_cm, ConnectionRef, {data, ChannelId, 0, Data}} when is_binary(Data) ->
- ct:log("collect_data: received ~p bytes. total ~p bytes",[size(Data),Sum+size(Data)]),
+ ct:log("~p:~p collect_data: received ~p bytes. total ~p bytes",[?MODULE,?LINE,size(Data),Sum+size(Data)]),
+ ssh_connection:adjust_window(ConnectionRef, ChannelId, size(Data)),
collect_data(ConnectionRef, ChannelId, [Data | Acc], Sum+size(Data));
{ssh_cm, ConnectionRef, {eof, ChannelId}} ->
try
iolist_to_binary(lists:reverse(Acc))
of
Bin ->
- ct:log("collect_data: received eof.~nGot in total ~p bytes",[size(Bin)]),
+ ct:log("~p:~p collect_data: received eof.~nGot in total ~p bytes",[?MODULE,?LINE,size(Bin)]),
Bin
catch
C:E ->
- ct:log("collect_data: received eof.~nAcc is strange...~nException=~p:~p~nAcc=~p",
- [C,E,Acc]),
+ ct:log("~p:~p collect_data: received eof.~nAcc is strange...~nException=~p:~p~nAcc=~p",
+ [?MODULE,?LINE,C,E,Acc]),
{error,{C,E}}
end;
Msg ->
- ct:log("collect_data: ***** unexpected message *****~n~p",[Msg]),
+ ct:log("~p:~p collect_data: ***** unexpected message *****~n~p",[?MODULE,?LINE,Msg]),
collect_data(ConnectionRef, ChannelId, Acc, Sum)
after TO ->
- ct:log("collect_data: ----- Nothing received for ~p seconds -----~n",[]),
+ ct:log("~p:~p collect_data: ----- Nothing received for ~p seconds -----~n",[?MODULE,?LINE,TO]),
collect_data(ConnectionRef, ChannelId, Acc, Sum)
end.
diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl
index 2c7fe7898f..86c3d5de26 100644
--- a/lib/ssh/test/ssh_to_openssh_SUITE.erl
+++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl
@@ -404,8 +404,6 @@ erlang_server_openssh_client_renegotiate(Config) ->
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
{public_key_alg, PubKeyAlg},
{failfun, fun ssh_test_lib:failfun/2}]),
-
-%% catch ssh_dbg:messages(fun(String,_D) -> ct:log(String) end),
ct:sleep(500),
RenegLimitK = 3,
@@ -431,13 +429,24 @@ erlang_server_openssh_client_renegotiate(Config) ->
catch
_:_ -> false
end;
+
+ ({exit_status,E}) when E=/=0 ->
+ ct:log("exit_status ~p",[E]),
+ throw({skip,"exit status"});
+
(_) ->
false
end,
-
- ssh_test_lib:rcv_expected(Expect, OpenSsh, ?TIMEOUT),
- %% Unfortunatly we can't check that there has been a renegotiation, just trust OpenSSH.
- ssh:stop_daemon(Pid).
+
+ try
+ ssh_test_lib:rcv_expected(Expect, OpenSsh, ?TIMEOUT)
+ of
+ _ ->
+ %% Unfortunatly we can't check that there has been a renegotiation, just trust OpenSSH.
+ ssh:stop_daemon(Pid)
+ catch
+ throw:{skip,R} -> {skip,R}
+ end.
%%--------------------------------------------------------------------
erlang_client_openssh_server_renegotiate(_Config) ->
@@ -447,7 +456,6 @@ erlang_client_openssh_server_renegotiate(_Config) ->
Ref = make_ref(),
Parent = self(),
- catch ssh_dbg:messages(fun(X,_) -> ct:log(X) end),
Shell =
spawn_link(
fun() ->
diff --git a/lib/stdlib/src/sets.erl b/lib/stdlib/src/sets.erl
index 3e70450320..c65a13b22e 100644
--- a/lib/stdlib/src/sets.erl
+++ b/lib/stdlib/src/sets.erl
@@ -128,14 +128,14 @@ is_element(E, S) ->
Set2 :: set(Element).
add_element(E, S0) ->
Slot = get_slot(S0, E),
- {S1,Ic} = on_bucket(fun (B0) -> add_bkt_el(E, B0, B0) end, S0, Slot),
- maybe_expand(S1, Ic).
-
--spec add_bkt_el(T, [T], [T]) -> {[T], 0 | 1}.
-add_bkt_el(E, [E|_], Bkt) -> {Bkt,0};
-add_bkt_el(E, [_|B], Bkt) ->
- add_bkt_el(E, B, Bkt);
-add_bkt_el(E, [], Bkt) -> {[E|Bkt],1}.
+ Bkt = get_bucket(S0, Slot),
+ case lists:member(E, Bkt) of
+ true ->
+ S0;
+ false ->
+ S1 = update_bucket(S0, Slot, [E | Bkt]),
+ maybe_expand(S1)
+ end.
%% del_element(Element, Set) -> Set.
%% Return Set but with Element removed.
@@ -144,15 +144,28 @@ add_bkt_el(E, [], Bkt) -> {[E|Bkt],1}.
Set2 :: set(Element).
del_element(E, S0) ->
Slot = get_slot(S0, E),
- {S1,Dc} = on_bucket(fun (B0) -> del_bkt_el(E, B0) end, S0, Slot),
- maybe_contract(S1, Dc).
+ Bkt = get_bucket(S0, Slot),
+ case lists:member(E, Bkt) of
+ false ->
+ S0;
+ true ->
+ S1 = update_bucket(S0, Slot, lists:delete(E, Bkt)),
+ maybe_contract(S1, 1)
+ end.
--spec del_bkt_el(T, [T]) -> {[T], 0 | 1}.
-del_bkt_el(E, [E|Bkt]) -> {Bkt,1};
-del_bkt_el(E, [Other|Bkt0]) ->
- {Bkt1,Dc} = del_bkt_el(E, Bkt0),
- {[Other|Bkt1],Dc};
-del_bkt_el(_, []) -> {[],0}.
+%% update_bucket(Set, Slot, NewBucket) -> UpdatedSet.
+%% Replace bucket in Slot by NewBucket
+-spec update_bucket(Set1, Slot, Bkt) -> Set2 when
+ Set1 :: set(Element),
+ Set2 :: set(Element),
+ Slot :: non_neg_integer(),
+ Bkt :: [Element].
+update_bucket(Set, Slot, NewBucket) ->
+ SegI = ((Slot-1) div ?seg_size) + 1,
+ BktI = ((Slot-1) rem ?seg_size) + 1,
+ Segs = Set#set.segs,
+ Seg = element(SegI, Segs),
+ Set#set{segs = setelement(SegI, Segs, setelement(BktI, Seg, NewBucket))}.
%% union(Set1, Set2) -> Set
%% Return the union of Set1 and Set2.
@@ -272,19 +285,6 @@ get_slot(T, Key) ->
-spec get_bucket(set(), non_neg_integer()) -> term().
get_bucket(T, Slot) -> get_bucket_s(T#set.segs, Slot).
-%% on_bucket(Fun, Hashdb, Slot) -> {NewHashDb,Result}.
-%% Apply Fun to the bucket in Slot and replace the returned bucket.
--spec on_bucket(fun((_) -> {[_], 0 | 1}), set(E), non_neg_integer()) ->
- {set(E), 0 | 1}.
-on_bucket(F, T, Slot) ->
- SegI = ((Slot-1) div ?seg_size) + 1,
- BktI = ((Slot-1) rem ?seg_size) + 1,
- Segs = T#set.segs,
- Seg = element(SegI, Segs),
- B0 = element(BktI, Seg),
- {B1, Res} = F(B0), %Op on the bucket.
- {T#set{segs = setelement(SegI, Segs, setelement(BktI, Seg, B1))},Res}.
-
%% fold_set(Fun, Acc, Dictionary) -> Dictionary.
%% filter_set(Fun, Dictionary) -> Dictionary.
@@ -349,8 +349,8 @@ put_bucket_s(Segs, Slot, Bkt) ->
Seg = setelement(BktI, element(SegI, Segs), Bkt),
setelement(SegI, Segs, Seg).
--spec maybe_expand(set(E), 0 | 1) -> set(E).
-maybe_expand(T0, Ic) when T0#set.size + Ic > T0#set.exp_size ->
+-spec maybe_expand(set(E)) -> set(E).
+maybe_expand(T0) when T0#set.size + 1 > T0#set.exp_size ->
T = maybe_expand_segs(T0), %Do we need more segments.
N = T#set.n + 1, %Next slot to expand into
Segs0 = T#set.segs,
@@ -360,12 +360,12 @@ maybe_expand(T0, Ic) when T0#set.size + Ic > T0#set.exp_size ->
{B1,B2} = rehash(B, Slot1, Slot2, T#set.maxn),
Segs1 = put_bucket_s(Segs0, Slot1, B1),
Segs2 = put_bucket_s(Segs1, Slot2, B2),
- T#set{size = T#set.size + Ic,
+ T#set{size = T#set.size + 1,
n = N,
exp_size = N * ?expand_load,
con_size = N * ?contract_load,
segs = Segs2};
-maybe_expand(T, Ic) -> T#set{size = T#set.size + Ic}.
+maybe_expand(T) -> T#set{size = T#set.size + 1}.
-spec maybe_expand_segs(set(E)) -> set(E).
maybe_expand_segs(T) when T#set.n =:= T#set.maxn ->