diff options
Diffstat (limited to 'lib/stdlib/src/file_sorter.erl')
-rw-r--r-- | lib/stdlib/src/file_sorter.erl | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/lib/stdlib/src/file_sorter.erl b/lib/stdlib/src/file_sorter.erl index 687d72b4bd..3aeaff8dc4 100644 --- a/lib/stdlib/src/file_sorter.erl +++ b/lib/stdlib/src/file_sorter.erl @@ -1,18 +1,19 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2013. All Rights Reserved. +%% Copyright Ericsson AB 2001-2016. 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 -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% 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 %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% 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% %% @@ -27,6 +28,8 @@ check/1, check/2, keycheck/2, keycheck/3]). +-dialyzer(no_improper_lists). + -include_lib("kernel/include/file.hrl"). -define(CHUNKSIZE, 16384). @@ -304,7 +307,6 @@ options(Option) -> options([{format, Format} | L], Opts) when Format =:= binary; Format =:= term; - is_function(Format), is_function(Format, 1) -> options(L, Opts#opts{format = Format}); options([{format, binary_term} | L], Opts) -> @@ -323,7 +325,7 @@ options([{tmpdir, Dir} | L], Opts) -> FileName -> options(L, Opts#opts{tmpdir = {dir, FileName}}) end; -options([{order, Fun} | L], Opts) when is_function(Fun), is_function(Fun, 2) -> +options([{order, Fun} | L], Opts) when is_function(Fun, 2) -> options(L, Opts#opts{order = Fun}); options([{order, Order} | L], Opts) when Order =:= ascending; Order =:= descending -> @@ -408,7 +410,7 @@ merge_terms_fun(RFun) -> case RFun(read) of end_of_input -> eof; - {Objs, NRFun} when is_function(NRFun), is_function(NRFun, 1) -> + {Objs, NRFun} when is_function(NRFun, 1) -> {_, [], Ts, _} = fun_objs(Objs, [], 0, ?MAXSIZE, I, W), {{I, Ts, ?CHUNKSIZE}, merge_terms_fun(NRFun)}; Error -> @@ -424,13 +426,12 @@ merge_bins_fun(FileName) -> Fun(A) end. -wrap_output_terms(term, OutFun, _Z) when is_function(OutFun), - is_function(OutFun, 1) -> +wrap_output_terms(term, OutFun, _Z) when is_function(OutFun, 1) -> {fun_wterms(OutFun), true}; wrap_output_terms(term, File, Z) when File =/= undefined -> {file_wterms(name, File, Z++[write]), false}; wrap_output_terms(_Format, Output, _Z) -> - {Output, is_function(Output) and is_function(Output, 1)}. + {Output, is_function(Output, 1)}. binary_term_fun() -> fun binary_to_term/1. @@ -1308,8 +1309,7 @@ infun(W) -> {end_of_input, W1}; {end_of_input, Value} -> {end_of_input, W1#w{inout_value = {value, Value}}}; - {Objs, NFun} when is_function(NFun), - is_function(NFun, 1), + {Objs, NFun} when is_function(NFun, 1), is_list(Objs) -> {cont, W#w{in = NFun}, Objs}; Error -> @@ -1332,7 +1332,7 @@ outfun(A, W) -> try (W#w.out)(A) of Reply when A =:= close -> Reply; - NF when is_function(NF), is_function(NF, 1) -> + NF when is_function(NF, 1) -> W#w{out = NF}; Error -> error(Error, W1) @@ -1357,7 +1357,7 @@ is_keyposs([Bad | _]) -> is_keyposs(Bad) -> {badarg, Bad}. -is_input(Fun) when is_function(Fun), is_function(Fun, 1) -> +is_input(Fun) when is_function(Fun, 1) -> {true, Fun}; is_input(Files) -> is_files(Files). @@ -1377,7 +1377,7 @@ is_files([], L) -> is_files(Bad, _L) -> {badarg, Bad}. -maybe_output(Fun) when is_function(Fun), is_function(Fun, 1) -> +maybe_output(Fun) when is_function(Fun, 1) -> {true, Fun}; maybe_output(File) -> case read_file_info(File) of @@ -1425,8 +1425,8 @@ tmp_prefix1(Dir, TmpDirOpt) -> U = "_", Node = node(), Pid = os:getpid(), - {MSecs,Secs,MySecs} = now(), - F = lists:concat(["fs_",Node,U,Pid,U,MSecs,U,Secs,U,MySecs,"."]), + Unique = erlang:unique_integer([positive]), + F = lists:concat(["fs_",Node,U,Pid,U,Unique,"."]), TmpDir = case TmpDirOpt of default -> Dir; @@ -1586,7 +1586,6 @@ fun_rterms(InFun) -> (read) -> case InFun(read) of {Ts, NInFun} when is_list(Ts), - is_function(NInFun), is_function(NInFun, 1) -> {to_bin(Ts, []), fun_rterms(NInFun)}; Else -> @@ -1599,7 +1598,7 @@ fun_wterms(OutFun) -> OutFun(close); (L) -> case OutFun(wterms_arg(L)) of - NOutFun when is_function(NOutFun), is_function(NOutFun, 1) -> + NOutFun when is_function(NOutFun, 1) -> fun_wterms(NOutFun); Else -> Else |