1. Список говнокодов пользователя CHayT

    Всего: 86

  2. Куча / Говнокод #28356

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    https://github.com/PlummersSoftwareLLC/Primes/blob/drag-race/PrimeChapel/solution_1/primes.chpl#L92

    Царские анроллы.

    CHayT, 06 Сентября 2022

    Комментарии (5)

  3. Куча / Говнокод #28081

    −1

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    https://github.com/tejdnk-2019-ShortNotes/

    CHayT, 14 Марта 2022

    Комментарии (13)

  4. Куча / Говнокод #28000

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    %% Note: set and unset are not thread-safe.
-spec set(key(), value()) -> ok.
set(Key, Value) ->
    case ets:lookup(?status_tab, Key) of
        [{_, {set, _OldValue}}] ->
            ets:insert(?status_tab, {Key, {set, Value}});
        [{_, {unset, Pid}}] ->
            MRef = monitor(process, Pid),
            Pid ! {set, Value},
            receive
                {'DOWN', MRef, _, _, _} -> ok
            end;
        [] ->
            case ets:insert_new(?status_tab, {Key, {set, Value}}) of
                true  ->
                    ok;
                false ->
                    set(Key, Value)
            end
    end,
    ok.

-spec unset(key()) -> ok.
unset(Key) ->
    case ets:lookup(?status_tab, Key) of
        [{_, {set, _OldValue}}] -> ets:delete(?status_tab, Key);
        _                       -> ok
    end,
    ok.

-spec read(key()) -> value().
read(Key) ->
    case read_or_wait(Key) of
        {set, Value} ->
            Value;
        {wait, MRef} ->
            receive
                {'DOWN', MRef, _, _, {cvar_set, Value}} ->
                    Value;
                {'DOWN', MRef, _, _, noproc} ->
                    read(Key)
            end
    end.

-spec read_or_wait(key()) -> {set, value()} | {wait, reference()}.
read_or_wait(Key) ->
    case ets:lookup(?status_tab, Key) of
        [] ->
            {Pid, MRef} = spawn_monitor(?MODULE, waker_entrypoint, [Key, self()]),
            receive
                {Pid, proceed} ->
                    {wait, MRef};
                {'DOWN', MRef, _, _, Reason} ->
                    cvar_retry = Reason,
                    read_or_wait(Key)
            end;
        [{_, {set, Val}}] ->
            {set, Val};
        [{_, {unset, Pid}}] ->
            {wait, monitor(process, Pid)}
    end.

-spec waker_entrypoint(key(), pid()) -> no_return().
waker_entrypoint(Key, Parent) ->
    case ets_insert_new({Key, {unset, self()}}) of
        false ->
            exit(cvar_retry);
        true ->
            Parent ! {self(), proceed},
            receive
                {set, Value} ->
                    ets_insert({Key, {set, Value}}),
                    exit({cvar_set, Value})
            end
    end.

    CHayT, 08 Февраля 2022

    Комментарии (23)

  5. C++ / Говнокод #27969

    +2

    1. 1
    https://github.com/golded-plus/golded-plus/blob/master/golded3/gccfgg0.cpp#L162

    CHayT, 25 Января 2022

    Комментарии (14)

  6. Куча / Говнокод #27936

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    #!/usr/bin/env escript
-mode(compile).

main(["-p"|Filenames]) ->
  put(pretend, true),
  main(Filenames);
main(Filenames) ->
  case get(pretend) of
    true -> ok;
    _    -> put(pretend, false)
  end,
  Albums = lists:filtermap(fun parse_name/1, Filenames),
  lists:foreach(fun process_album/1, Albums).

process_album({Zip, Artist, Album}) ->
  Dir = filename:absname(filename:join(Artist, Album)),
  case filelib:wildcard(Dir ++ "/cover.*") of
    [] ->
      io:format("Will create ~p~n", [Dir]),
      get(pretend) orelse do_process_album(Dir, Zip, Album);
    _ ->
      io:format("Ignoring ~p : ~p~n", [Artist, Album])
  end.

do_process_album(Dir, Zip, Album) ->
  ok = filelib:ensure_dir(Dir ++ "/fake"),
  0 = exec(Dir, "/usr/bin/unzip", [Zip, "-d", Dir]),
  postprocess(Album, Dir).

postprocess(Album, Dir) ->
  Files = filelib:wildcard(Dir ++ "/*-*[0-9]*.flac"),
  lists:foreach(fun(I) -> rename_flac(Album, I) end, Files).

rename_flac(Album, OldFile) ->
  Dir = filename:dirname(OldFile),
  OldName = filename:basename(OldFile),
  Options = [{capture, all_but_first, list}],
  {ok, RE} = re:compile(Album ++ " - ([0-9]+.*\\.flac)", [unicode]),
  case re:run(OldName, RE, Options) of
    {match, [NewName]} ->
      io:format("New name: ~p~n", [NewName]),
      NewFile = filename:join(Dir, NewName),
      ok = file:rename(OldFile, NewFile);
    nomatch ->
      ok
  end.

parse_name(Filename) ->
  Opts = [{capture, ['band', album], list}],
  case re:run(filename:basename(Filename), "(?<band>[^-]+) - (?<album>.*)\\.zip", Opts) of
    {match, [Band, Album]} ->
      {true, {filename:absname(Filename), Band, Album}};
    nomatch ->
      false
  end.

-spec exec(file:filename(), file:filename(), [string() | binary()]) -> integer().
exec(Dir, CMD, Args) ->
  Port = open_port( {spawn_executable, CMD}
                  , [ exit_status
                    , binary
                    , stderr_to_stdout
                    , {args, Args}
                    , {cd, Dir}
                    , {line, 300}
                    ]
                  ),
  collect_port_output(Port, filename:basename(CMD)).

-spec collect_port_output(port(), string()) -> integer().
collect_port_output(Port, CMD) ->
  receive
    {Port, {data, {_, Data}}} ->
      io:format("~s: ~s~n", [CMD, Data]),
      collect_port_output(Port, CMD);
    {Port, {exit_status, ExitStatus}} ->
      ExitStatus
  end.

    CHayT, 08 Января 2022

    Комментарии (88)

  7. Куча / Говнокод #27851

    +2

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    Ltac2 make_match fields :=
  destruct x;
  iter (fun a => focus 1 1 (fun () =>
                           let a := a ()
                           in refine (fun () => '((w_rep $a) _)))
         ) fields.

    Итерация по конструкторам индуктивного типа данных.

    CHayT, 03 Декабря 2021

    Комментарии (6)

  8. Куча / Говнокод #27780

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    (** Set of all possible interleaving of two traces is a trace
  ensemble. As we later prove in [interleaving_to_permutation], this
  definition is dual to [Permutation]. *)
  Inductive Interleaving : list TE -> list TE -> TraceEnsemble :=
  | ilv_cons_l : forall te t1 t2 t,
      Interleaving t1 t2 t ->
      Interleaving (te :: t1) t2 (te :: t)
  | ilv_cons_r : forall te t1 t2 t,
      Interleaving t1 t2 t ->
      Interleaving t1 (te :: t2) (te :: t)
  | ilv_nil : Interleaving [] [] [].

Попытка оптимизации:

  (* Left-biased version of [Interleaving] that doesn't make
  distinction between schedulings of commuting elements: *)
  Inductive UniqueInterleaving : list TE -> list TE -> TraceEnsemble :=
  | uilv_cons_l : forall l t1 t2 t,
      UniqueInterleaving t1 t2 t ->
      UniqueInterleaving (l :: t1) t2 (l :: t)
  | uilv_cons_r1 : forall l r t1 t2 t,
      ~trace_elems_commute l r ->
      UniqueInterleaving (l :: t1) t2 (l :: t) ->
      UniqueInterleaving (l :: t1) (r :: t2) (r :: l :: t)
  | uilv_cons_r2 : forall r1 r2 t1 t2 t,
      UniqueInterleaving t1 (r1 :: t2) (r1 :: t) ->
      UniqueInterleaving t1 (r2 :: r1 :: t2) (r2 :: r1 :: t)
  | uilv_nil : forall t, UniqueInterleaving [] t t.

    Сложный говнокод. Почему вторая "оптимизированная" версия работает хуже первой?

    CHayT, 01 Ноября 2021

    Комментарии (26)

  9. Куча / Говнокод #27765

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    waiting_for_data(info, {Driver,Socket,Data},
                 #state{socket=Socket, driver=Driver, driver_mod=DriverMod, peer=Peer, control=Control, list=List} = State) ->
    %% The meat of the whole project: process a function call and return
    %% the data
    try erlang:binary_to_term(Data) of
        {{CallType,M,F,A}, Caller} when CallType =:= call; CallType =:= async_call ->
            {ModVsnAllowed, RealM} = check_module_version_compat(M),
            case check_if_module_allowed(RealM, Control, List) of
                true ->
                    case ModVsnAllowed of
                        true ->
                            WorkerPid = erlang:spawn(?MODULE, call_worker, [CallType, RealM, F, A, Caller, Socket, Driver, DriverMod]),
                            ?log(debug, "event=call_received driver=~s socket=\"~s\" peer=\"~s\" caller=\"~p\" worker_pid=\"~p\"",
                                 [Driver, gen_rpc_helper:socket_to_string(Socket), gen_rpc_helper:peer_to_string(Peer), Caller, WorkerPid]),
                            {keep_state_and_data, gen_rpc_helper:get_inactivity_timeout(?MODULE)};
                        false ->
                            ?log(debug, "event=incompatible_module_version driver=~s socket=\"~s\" method=~s module=~s",
                                 [Driver, gen_rpc_helper:socket_to_string(Socket), CallType, RealM]),
                            waiting_for_data(info, {CallType, Caller, {badrpc,incompatible}}, State)
                    end;
                false ->
                    ?log(debug, "event=request_not_allowed driver=~s socket=\"~s\" control=~s method=~s module=~s",
                         [Driver, gen_rpc_helper:socket_to_string(Socket), Control, CallType, RealM]),
                    waiting_for_data(info, {CallType, Caller, {badrpc,unauthorized}}, State)
            end;
        {cast, _M, _F, _A} = Cast ->
            handle_cast(Cast, State),
            {keep_state_and_data, gen_rpc_helper:get_inactivity_timeout(?MODULE)};
        BatchCast when is_list(BatchCast) ->
            [handle_cast(Cast, State) || Cast <- BatchCast],
            {keep_state_and_data, gen_rpc_helper:get_inactivity_timeout(?MODULE)};
        {abcast, Name, Msg} ->
            _Result = case check_if_module_allowed(erlang, Control, List) of
                true ->
                    ?log(debug, "event=abcast_received driver=~s socket=\"~s\" peer=\"~s\" process=~s message=\"~p\"",
                         [Driver, gen_rpc_helper:socket_to_string(Socket), gen_rpc_helper:peer_to_string(Peer), Name, Msg]),
                    Msg = erlang:send(Name, Msg);
                false ->
                    ?log(debug, "event=request_not_allowed driver=~s socket=\"~s\" control=~s method=~s",
                         [Driver, gen_rpc_helper:socket_to_string(Socket), Control, abcast])
                end,
            {keep_state_and_data, gen_rpc_helper:get_inactivity_timeout(?MODULE)};
        {sbcast, Name, Msg, Caller} ->
            Reply = case check_if_module_allowed(erlang, Control, List) of
                true ->
                    ?log(debug, "event=sbcast_received driver=~s socket=\"~s\" peer=\"~s\" process=~s message=\"~p\"",
                         [Driver, gen_rpc_helper:socket_to_string(Socket), gen_rpc_helper:peer_to_string(Peer), Name, Msg]),
                    case erlang:whereis(Name) of
                        undefined -> error;
                        Pid -> Msg = erlang:send(Pid, Msg), success
                    end;
                false ->
                    ?log(debug, "event=request_not_allowed driver=~s socket=\"~s\" control=~s method=~s",
                         [Driver, gen_rpc_helper:socket_to_string(Socket), Control, sbcast]),
                     error
            end,
            waiting_for_data(info, {sbcast, Caller, Reply}, State);
        ping ->
            ?log(debug, "event=ping_received driver=~s socket=\"~s\" peer=\"~s\" action=ignore",
                 [Driver, gen_rpc_helper:socket_to_string(Socket), gen_rpc_helper:peer_to_string(Peer)]),
            {keep_state_and_data, gen_rpc_helper:get_inactivity_timeout(?MODULE)};
        OtherData ->
            ?log(debug, "event=erroneous_data_received driver=~s socket=\"~s\" peer=\"~s\" data=\"~p\"",
                 [Driver, gen_rpc_helper:socket_to_string(Socket), gen_rpc_helper:peer_to_string(Peer), OtherData]),
            {stop, {badrpc,erroneous_data}, State}
    catch
        error:badarg ->
            {stop, {badtcp,corrupt_data}, State}
    end;

%% Handle the inactivity timeout gracefully
waiting_for_data(timeout, _Undefined, #state{socket=Socket, driver=Driver} = State) ->
    ?log(info, "message=timeout event=server_inactivity_timeout driver=~s socket=\"~s\" action=stopping",
         [Driver, gen_rpc_helper:socket_to_string(Socket)]),
    {stop, normal, State};

waiting_for_data(info, {DriverClosed, Socket} = Msg, #state{socket=Socket, driver_closed=DriverClosed} = State) ->
    handle_event(info, Msg, waiting_for_data, State);

waiting_for_data(info, {DriverError, Socket, _Reason} = Msg, #state{socket=Socket, driver_error=DriverError} = State) ->
    handle_event(info, Msg, waiting_for_data, State).

    Срочно требуется учитель литературы, чтобы объяснить, что хотел сказать автор.

    CHayT, 22 Октября 2021

    Комментарии (37)

  10. Куча / Говнокод #27764

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    make_process_name("client", {Node,Key}) when is_atom(Node) ->
    %% This function is going to be called enough to warrant a less pretty
    %% process name in order to avoid calling costly functions
    KeyStr = erlang:integer_to_list(erlang:phash2(Key)),
    NodeStr = erlang:atom_to_list(Node),
    erlang:list_to_atom("gen_rpc.client." ++ NodeStr ++ "/" ++ KeyStr);

    Самый страшный грех, который только возможен в Erlang.

    CHayT, 22 Октября 2021

    Комментарии (10)

  11. Куча / Говнокод #27708

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    % Totoro sitting in the snow
% By Noa Hoffmann and Pascal Günthner, 21.12.2020
\documentclass[tikz,11pt]{{standalone}}
\usepackage{calligra}
\usepackage[T1]{fontenc}
\usetikzlibrary{%
  shapes, shadows, patterns, calc,
  decorations.shapes,
  decorations.fractals,
  decorations.markings,
  decorations.pathmorphing
}

\colorlet{bodycolor}{black!35!gray!60!brown!98!green}
\colorlet{bellycolor}{yellow!70!white!92!green}

\tikzset{
   furspot/.pic = {
    \path [draw = black, thick, fill] (0,0)    
    .. controls +(0.3,0)        and  +(0.25,-0.05)   ..  ++(0.35,-.45)
    .. controls +(-0.45,0.25)   and  +(0.1,0)        ..  ++(-0.85,-0.05)
    .. controls +(-0.3,0.1)     and  +(-0.4, 0)      ..  cycle;
   },
   claw/.pic = {
    \path [fill = bodycolor!70, draw] (0,0) arc (0:45:0.2 and 0.8)
                                           arc (135:180:0.2 and 0.8)
    arc (180:360:0.059) -- cycle;
   },
   whiskers/.pic = {
    \path [fill = bodycolor!70,draw] (0,0) arc (0:45:0.05 and 2.3)
                                        arc (135:180:0.3 and 2.3)
    to[out=-90,in=-90] cycle;
   },
   snowflake/.pic = {
   \fill [decoration = Koch snowflake, white] decorate{ decorate{
          decorate{ (-0.5,-0.3) -- ++(60:1) -- ++(-60:1) -- cycle }}};
   \foreach \i in {30, 90, 150, 210, 270, 330} {
        \draw[blue!50!white,very thin] (0,0) -- +(\i:0.3);
        }
    \draw[decoration = Koch snowflake, blue!50!white, very thin]
          decorate{($(0,0)+(60:0.2)$) -- ($(0,0)+(300:0.2)$) --
                   ($(0,0)+(180:0.2)$) -- cycle};
   }
}
\tikzset{
  snow/.style   = {decoration = {random steps, segment length = 2mm,
                   amplitude = 0.4mm}, decorate},
  plush/.style  = {decoration = {random steps, segment length = 1mm,
                   amplitude = 0.5mm},decorate}
}

\begin{document}
\begin{tikzpicture}[color = bodycolor, draw = black, thick]

%---------------------background and tail----------------------
% blue sky
\fill[blue!30!white] (-8cm,-11cm) rectangle (8cm,10cm);
% random snowflakes
\foreach \i in {0.1,0.11,...,1}{
  \pic [scale = \i, opacity = 0.9] at (rand*7.5, rnd*18-10.5) {snowflake};}
% more tiny snowflakes
%\foreach \i in {0.1,0.11,...,0.5}{
  %\pic [scale = \i, opacity = 0.9] at (rand*7.5, rnd*18-10.5) {snowflake};}
% cloud with merry christmas
\node [cloud,aspect = 6.5, cloud puff arc = 120, cloud puffs = 12.9, fill = white,
       color = white] at (0,7) {\Huge M \hspace{9.8cm}.};
\node [color = red] at (0,7) {\fontsize{50}{80}
                              \textbf{Merry Christmas \quad }};
% tail
\path [draw, fill, rotate = 50] (-4,-7.5) circle (1.5 and 2.2);
% snowhill
\fill [draw, gray!6, snow] (-8,-11) to[in=200, out=0] (-3,-7.5) to (3,-7.5)
      to[out=-20, in=180] (8,-11);

%--------------------body-----------------------------------------
% right ear
\path [fill, draw] (0.6,2.3)+(-45:1) arc (-60:35:1 and 1.5) 
                   arc (115:210:1 and 1.5);
% left ear
\path [fill, draw] (-0.6,2.3)+(-135:1) arc (-120:-215:1 and 1.5)
                   arc (65:-30:1 and 1.5);
% head
\path [draw, fill] ($(0,0)+(170:2.5 and 2)$) arc (170:10:2.5 and 2)
                   arc(35:-20: 3 and 2)
        -- ($(0,-0.8)+(200:3 and 2)$) arc (200:145:3 and 2) -- cycle;
% body
\path[fill] ($(0,-4)+(200:4 and 4.5)$) arc (200:-20:4 and 4.5);

%----------------------face----------------------------------------
% left eye
\path [draw, fill = white] (-1.4,0.7) circle (0.45 and 0.4);
\fill [black] (-1.2,0.7) circle (0.16);
\fill [white] (-1.24,0.74) circle (0.03);
% right eye
\path [draw, fill = white, thick] (1.4,0.7) circle (0.4);
\fill [black] (1.25,0.7) circle (0.16);
\fill [white] (1.20,0.74) circle (0.03);
% nose
\path [draw] (0.35, 0.7) .. controls (0.2,0.8) and (-0.2, 0.8)
                         .. (-0.35, 0.7);

    Какое аниме ))) https://texample.net/tikz/examples/totoro/

    CHayT, 08 Октября 2021

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