diff options
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r-- | lib/stdlib/src/error_logger_file_h.erl | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/lib/stdlib/src/error_logger_file_h.erl b/lib/stdlib/src/error_logger_file_h.erl index 5f8bf9092a..48c471924e 100644 --- a/lib/stdlib/src/error_logger_file_h.erl +++ b/lib/stdlib/src/error_logger_file_h.erl @@ -37,7 +37,8 @@ -record(st, {fd, filename, - prev_handler}). + prev_handler, + depth=unlimited :: 'unlimited' | non_neg_integer()}). %% This one is used when we takeover from the simple error_logger. init({File, {error_logger, Buf}}) -> @@ -56,11 +57,22 @@ init(File, PrevHandler) -> process_flag(trap_exit, true), case file:open(File, [write]) of {ok,Fd} -> - {ok, #st{fd=Fd,filename=File,prev_handler=PrevHandler}}; + Depth = get_depth(), + State = #st{fd=Fd,filename=File,prev_handler=PrevHandler, + depth=Depth}, + {ok, State}; Error -> Error end. - + +get_depth() -> + case application:get_env(kernel, error_logger_format_depth) of + {ok, Depth} when is_integer(Depth) -> + max(10, Depth); + undefined -> + unlimited + end. + handle_event({_Type, GL, _Msg}, State) when node(GL) =/= node() -> {ok, State}; handle_event(Event, State) -> @@ -123,17 +135,35 @@ write_event(#st{fd=Fd}=State, Event) -> end. format_body(State, [{Format,Args}|T]) -> - S = try io_lib:format(Format, Args) of + S = try format(State, Format, Args) of S0 -> S0 catch _:_ -> - io_lib:format("ERROR: ~p - ~p\n", [Format,Args]) + format(State, "ERROR: ~p - ~p\n", [Format,Args]) end, [S|format_body(State, T)]; format_body(_State, []) -> []. +format(#st{depth=unlimited}, Format, Args) -> + io_lib:format(Format, Args); +format(#st{depth=Depth}, Format0, Args) -> + Format1 = io_lib:scan_format(Format0, Args), + Format = limit_format(Format1, Depth), + io_lib:build_text(Format). + +limit_format([#{control_char:=C0}=M0|T], Depth) when C0 =:= $p; + C0 =:= $w -> + C = C0 - ($a - $A), %To uppercase. + #{args:=Args} = M0, + M = M0#{control_char:=C,args:=Args++[Depth]}, + [M|limit_format(T, Depth)]; +limit_format([H|T], Depth) -> + [H|limit_format(T, Depth)]; +limit_format([], _) -> + []. + parse_event({error, _GL, {Pid, Format, Args}}) -> {"ERROR REPORT",Pid,[{Format,Args}]}; parse_event({info_msg, _GL, {Pid, Format, Args}}) -> |