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-rw-r--r--lib/stdlib/src/c.erl119
1 files changed, 73 insertions, 46 deletions
diff --git a/lib/stdlib/src/c.erl b/lib/stdlib/src/c.erl
index a920921a5e..ad4915eabe 100644
--- a/lib/stdlib/src/c.erl
+++ b/lib/stdlib/src/c.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. 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%
%%
@@ -27,7 +28,7 @@
lc_batch/0, lc_batch/1,
i/3,pid/3,m/0,m/1,
bt/1, q/0,
- erlangrc/0,erlangrc/1,bi/1, flush/0, regs/0,
+ erlangrc/0,erlangrc/1,bi/1, flush/0, regs/0, uptime/0,
nregs/0,pwd/0,ls/0,ls/1,cd/1,memory/1,memory/0, xm/1]).
-export([display_info/1]).
@@ -65,6 +66,7 @@ help() ->
"q() -- quit - shorthand for init:stop()\n"
"regs() -- information about registered processes\n"
"nregs() -- information about all registered processes\n"
+ "uptime() -- print node uptime\n"
"xm(M) -- cross reference check a module\n"
"y(File) -- generate a Yecc parser\n">>).
@@ -116,13 +118,13 @@ machine_load(Mod, File, Opts) ->
File2 = filename:join(Dir, filename:basename(File, ".erl")),
case compile:output_generated(Opts) of
true ->
- Base = packages:last(Mod),
+ Base = atom_to_list(Mod),
case filename:basename(File, ".erl") of
Base ->
code:purge(Mod),
check_load(code:load_abs(File2,Mod), Mod);
_OtherMod ->
- format("** Module name '~p' does not match file name '~p' **~n",
+ format("** Module name '~p' does not match file name '~tp' **~n",
[Mod,File]),
{error, badfile}
end;
@@ -203,11 +205,11 @@ make_term(Str) ->
case erl_parse:parse_term(Tokens ++ [{dot, 1}]) of
{ok, Term} -> Term;
{error, {_,_,Reason}} ->
- io:format("~s: ~s~n", [Reason, Str]),
+ io:format("~ts: ~ts~n", [Reason, Str]),
throw(error)
end;
{error, {_,_,Reason}, _} ->
- io:format("~s: ~s~n", [Reason, Str]),
+ io:format("~ts: ~ts~n", [Reason, Str]),
throw(error)
end.
@@ -330,13 +332,18 @@ choice(F) ->
end.
get_line(P, Default) ->
- case io:get_line(P) of
+ case line_string(io:get_line(P)) of
"\n" ->
Default;
L ->
L
end.
+%% If the standard input is set to binary mode
+%% convert it to a list so we can properly match.
+line_string(Binary) when is_binary(Binary) -> unicode:characters_to_list(Binary);
+line_string(Other) -> Other.
+
mfa_string(Fun) when is_function(Fun) ->
{module,M} = erlang:fun_info(Fun, module),
{name,F} = erlang:fun_info(Fun, name),
@@ -450,7 +457,7 @@ m() ->
foreach(fun ({Mod,File}) -> mformat(Mod, File) end, sort(code:all_loaded())).
mformat(A1, A2) ->
- format("~-20s ~s\n", [A1,A2]).
+ format("~-20s ~ts\n", [A1,A2]).
%% erlangrc(Home)
%% Try to run a ".erlang" file, first in the current directory
@@ -475,11 +482,11 @@ f_p_e(P, F) ->
{error, enoent} = Enoent ->
Enoent;
{error, E={Line, _Mod, _Term}} ->
- error("file:path_eval(~p,~p): error on line ~p: ~s~n",
+ error("file:path_eval(~tp,~tp): error on line ~p: ~ts~n",
[P, F, Line, file:format_error(E)]),
ok;
{error, E} ->
- error("file:path_eval(~p,~p): ~s~n",
+ error("file:path_eval(~tp,~tp): ~ts~n",
[P, F, file:format_error(E)]),
ok;
Other ->
@@ -504,19 +511,28 @@ m(M) ->
{exports,E} = lists:keyfind(exports, 1, L),
Time = get_compile_time(L),
COpts = get_compile_options(L),
- format("Module ~w compiled: ",[M]), print_time(Time),
- format("Compiler options: ~p~n", [COpts]),
+ format("Module: ~w~n", [M]),
+ print_md5(L),
+ format("Compiled: "),
+ print_time(Time),
print_object_file(M),
+ format("Compiler options: ~p~n", [COpts]),
format("Exports: ~n",[]), print_exports(keysort(1, E)).
print_object_file(Mod) ->
case code:is_loaded(Mod) of
{file,File} ->
- format("Object file: ~s\n", [File]);
+ format("Object file: ~ts\n", [File]);
_ ->
ignore
end.
+print_md5(L) ->
+ case lists:keyfind(md5, 1, L) of
+ {md5,<<MD5:128>>} -> io:format("MD5: ~.16b~n",[MD5]);
+ _ -> ok
+ end.
+
get_compile_time(L) ->
case get_compile_info(L, time) of
{ok,Val} -> Val;
@@ -564,8 +580,8 @@ split_print_exports([{F1, A1}|T1], [{F2, A2} | T2]) ->
split_print_exports([], []) -> ok.
print_time({Year,Month,Day,Hour,Min,_Secs}) ->
- format("Date: ~s ~w ~w, ", [month(Month),Day,Year]),
- format("Time: ~.2.0w.~.2.0w~n", [Hour,Min]);
+ format("~s ~w ~w, ", [month(Month),Day,Year]),
+ format("~.2.0w:~.2.0w~n", [Hour,Min]);
print_time(notime) ->
format("No compile time info available~n",[]).
@@ -588,7 +604,12 @@ month(12) -> "December".
flush() ->
receive
X ->
- format("Shell got ~p~n",[X]),
+ case lists:keyfind(encoding, 1, io:getopts()) of
+ {encoding,unicode} ->
+ format("Shell got ~tp~n",[X]);
+ _ ->
+ format("Shell got ~p~n",[X])
+ end,
flush()
after 0 ->
ok
@@ -680,7 +701,7 @@ portformat(Name, Id, Cmd) ->
pwd() ->
case file:get_cwd() of
{ok, Str} ->
- ok = io:format("~ts\n", [fixup_one_bin(Str)]);
+ ok = io:format("~ts\n", [Str]);
{error, _} ->
ok = io:format("Cannot determine current directory\n")
end.
@@ -689,7 +710,7 @@ pwd() ->
Dir :: file:name().
cd(Dir) ->
- file:set_cwd(Dir),
+ _ = file:set_cwd(Dir),
pwd().
%% ls()
@@ -707,27 +728,13 @@ ls() ->
ls(Dir) ->
case file:list_dir(Dir) of
{ok, Entries} ->
- ls_print(sort(fixup_bin(Entries)));
- {error,_E} ->
- format("Invalid directory\n")
+ ls_print(sort(Entries));
+ {error, enotdir} ->
+ ls_print([Dir]);
+ {error, Error} ->
+ format("~ts\n", [file:format_error(Error)])
end.
-fixup_one_bin(X) when is_binary(X) ->
- L = binary_to_list(X),
- [ if
- El > 127 ->
- $?;
- true ->
- El
- end || El <- L];
-fixup_one_bin(X) ->
- X.
-fixup_bin([H|T]) ->
- [fixup_one_bin(H) | fixup_bin(T)];
-fixup_bin([]) ->
- [].
-
-
ls_print([]) -> ok;
ls_print(L) ->
Width = min([max(lengths(L, [])), 40]) + 5,
@@ -769,6 +776,26 @@ memory() -> erlang:memory().
memory(TypeSpec) -> erlang:memory(TypeSpec).
%%
+%% uptime/0
+%%
+
+-spec uptime() -> 'ok'.
+
+uptime() ->
+ io:format("~s~n", [uptime(get_uptime())]).
+
+uptime({D, {H, M, S}}) ->
+ lists:flatten(
+ [[ io_lib:format("~p days, ", [D]) || D > 0 ],
+ [ io_lib:format("~p hours, ", [H]) || D+H > 0 ],
+ [ io_lib:format("~p minutes and ", [M]) || D+H+M > 0 ],
+ io_lib:format("~p seconds", [S])]).
+
+get_uptime() ->
+ {UpTime, _} = erlang:statistics(wall_clock),
+ calendar:seconds_to_daystime(UpTime div 1000).
+
+%%
%% Cross Reference Check
%%
%%-spec xm(module() | file:filename()) -> xref:m/1 return
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-30 19:32:58 +0000