Packages
otpbp
4.60.2
7.18.0
7.16.1
7.15.0
7.14.0
7.13.0
7.12.0
7.11.0
7.10.2
7.9.3
7.9.2
7.9.1
7.8.7
7.8.6
7.8.5
7.8.4
7.7.1
7.7.0
7.6.3
7.6.2
7.6.1
7.6.0
7.5.1
7.5.0
7.4.0
7.3.4
7.3.3
7.3.2
7.3.1
7.3.0
7.2.0
7.1.1
7.1.0
7.0.4
7.0.3
7.0.2
7.0.1
6.26.0
6.25.0
6.24.0
6.23.0
6.22.2
6.21.3
6.21.2
6.21.1
6.20.2
6.19.1
6.19.0
6.18.3
6.18.2
6.18.1
6.18.0
6.17.1
6.17.0
6.16.0
6.15.4
6.15.3
6.15.2
6.15.1
6.15.0
6.14.0
6.13.5
6.13.4
6.13.3
6.13.2
6.13.1
6.13.0
6.12.0
6.11.2
6.11.1
6.10.0
6.9.2
6.9.1
6.9.0
6.8.0
6.7.1
6.7.0
6.6.4
6.6.3
6.6.2
6.6.1
6.6.0
6.5.0
6.4.0
6.3.3
6.3.2
6.3.1
6.3.0
6.2.1
6.2.0
6.1.0
6.0.0
5.39.0
5.38.0
5.37.0
5.36.0
5.35.2
5.34.3
5.34.2
5.34.1
5.33.1
5.32.1
5.32.0
5.31.3
5.31.2
5.31.1
5.31.0
5.30.1
5.30.0
5.29.0
5.28.4
5.28.3
5.28.2
5.28.1
5.28.0
5.27.0
5.26.5
5.26.4
5.26.3
5.26.2
5.26.1
5.26.0
5.25.0
5.24.2
5.24.1
5.23.0
5.22.2
5.22.1
5.22.0
5.21.0
5.20.1
5.20.0
5.19.4
5.19.3
5.19.2
5.19.1
5.19.0
5.18.0
5.17.0
5.16.3
5.16.1
5.16.0
5.15.1
5.15.0
5.14.0
5.13.1
5.13.0
5.12.1
5.12.0
5.11.2
5.11.1
5.10.1
5.10.0
5.9.0
5.8.0
5.7.0
5.6.1
5.6.0
5.5.0
5.4.2
5.4.1
5.4.0
5.3.0
5.2.2
5.2.1
5.2.0
5.1.2
5.1.1
4.79.0
4.78.0
4.77.0
4.76.2
4.75.3
4.75.2
4.75.1
4.74.0
4.73.1
4.73.0
4.72.3
4.72.2
4.72.1
4.72.0
4.71.1
4.71.0
4.70.0
4.69.4
4.69.3
4.69.2
4.69.1
4.69.0
4.68.0
4.67.5
4.67.4
4.67.3
4.67.2
4.67.0
4.66.0
4.65.2
4.65.1
4.64.0
4.63.2
4.63.1
4.63.0
4.62.0
4.61.1
4.61.0
4.60.4
4.60.3
4.60.2
4.60.1
4.60.0
4.59.0
4.58.0
4.57.2
4.57.1
4.57.0
4.56.2
4.56.1
4.56.0
4.55.0
4.54.0
4.53.0
4.52.1
4.52.0
4.51.3
4.51.2
4.51.0
4.50.0
4.49.3
4.49.2
OTP backports
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Files
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Files
src/otpbp_filelib.erl
-module(otpbp_filelib).
-ifndef(HAVE_filelib__safe_relative_path_2).
% OTP 23.0
-export([safe_relative_path/2]).
-endif.
-ifndef(HAVE_filelib__ensure_path_1).
% OTP 25.0
-export([ensure_path/1]).
-endif.
-ifndef(HAVE_filelib__find_file_2).
% OTP 20.0
-export([find_file/2]).
-endif.
-ifndef(HAVE_filelib__find_file_3).
% OTP 20.0
-export([find_file/3]).
-endif.
-ifndef(HAVE_filelib__find_source_1).
% OTP 20.0
-export([find_source/1]).
-endif.
-ifndef(HAVE_filelib__find_source_2).
% OTP 20.0
-export([find_source/2]).
-endif.
-ifndef(HAVE_filelib__find_source_3).
% OTP 20.0
-export([find_source/3]).
-endif.
-ifndef(HAVE_filelib__find_file_2).
-ifdef(HAVE_filelib__find_file_3).
-import(filelib, [find_file/3]).
-endif.
-endif.
-ifndef(HAVE_filelib__find_source_1).
-ifdef(HAVE_filelib__find_source_2).
-import(filelib, [find_source/2]).
-endif.
-endif.
-ifndef(HAVE_filelib__find_source_2).
-ifdef(HAVE_filelib__find_source_3).
-import(filelib, [find_source/3]).
-endif.
-endif.
-ifndef(HAVE_filelib__safe_relative_path_2).
safe_relative_path(Path, "") -> safe_relative_path(Path, ".");
safe_relative_path(Path, Cwd) -> srp_path(filename:split(Path), Cwd, sets:new(), []).
srp_path([], _Cwd, _Seen, []) -> "";
srp_path([], _Cwd, _Seen, Acc) -> filename:join(Acc);
srp_path([H|Segs], Cwd, Seen, Acc) when H =:= "."; H =:= <<".">> -> srp_path(Segs, Cwd, Seen, Acc);
srp_path([H|_Segs], _Cwd, _Seen, []) when H =:= ".."; H =:= <<"..">> -> unsafe;
srp_path([H|Segs], Cwd, Seen, [_|_] = Acc) when H =:= ".."; H =:= <<"..">> ->
srp_path(Segs, Cwd, Seen, lists:droplast(Acc));
srp_path([clear|Segs], Cwd, _Seen, Acc) -> srp_path(Segs, Cwd, sets:new(), Acc);
srp_path([Seg|_] = Segs, Cwd, Seen, Acc) ->
case filename:pathtype(Seg) of
relative -> srp_segment(Segs, Cwd, Seen, Acc);
_ -> unsafe
end.
srp_segment([Seg|Segs], Cwd, Seen, Acc) ->
Path = filename:join([Cwd|Acc]),
case file:read_link(filename:join(Path, Seg)) of
{ok, LinkPath} -> srp_link(Path, LinkPath, Segs, Cwd, Seen, Acc);
{error, _} -> srp_path(Segs, Cwd, Seen, Acc ++ [Seg])
end.
srp_link(Path, LinkPath, Segs, Cwd, Seen, Acc) ->
FullLinkPath = filename:join(Path, LinkPath),
case sets:is_element(FullLinkPath, Seen) of
true -> unsafe;
false -> srp_path(filename:split(LinkPath) ++ [clear|Segs], Cwd, sets:add_element(FullLinkPath, Seen), Acc)
end.
-compile({inline, [srp_segment/4, srp_link/6]}).
-endif.
-ifndef(HAVE_filelib__ensure_path_1).
ensure_path("/") -> ok;
ensure_path(Path) ->
case filelib:is_dir(Path) of
true -> ok;
false ->
case filename:dirname(Path) of
Path -> {error, einval};
Parent ->
_ = ensure_path(Parent),
case file:make_dir(Path) of
{error, eexist} ->
case filelib:is_dir(Path) of
true -> ok;
false -> {error, eexist}
end;
Other -> Other
end
end
end.
-endif.
-ifndef(HAVE_filelib__find_file_2).
find_file(Filename, Dir) -> find_file(Filename, Dir, []).
-endif.
-ifndef(HAVE_filelib__find_file_3).
find_file(Filename, Dir, []) -> find_file(Filename, Dir, get_search_rules());
find_file(Filename, Dir, Rules) -> try_dir_rules(keep_dir_search_rules(Rules), Filename, Dir).
try_dir_rules([{From, To}|Rest], Filename, Dir) when is_list(From), is_list(To) ->
case try_dir_rule(Dir, Filename, From, To) of
{ok, _File} = R -> R;
error -> try_dir_rules(Rest, Filename, Dir)
end;
try_dir_rules([], _Filename, _Dir) -> {error, not_found}.
try_dir_rule(Dir, Filename, From, To) ->
case lists:suffix(From, Dir) of
true ->
Src = filename:join(lists:sublist(Dir, 1, length(Dir) - length(From)) ++ To, Filename),
case filelib:is_regular(Src) of
true -> {ok, Src};
false -> find_regular_file(filelib:wildcard(Src))
end;
false -> error
end.
find_regular_file([]) -> error;
find_regular_file([File|Files]) ->
case filelib:is_regular(File) of
true -> {ok, File};
false -> find_regular_file(Files)
end.
keep_dir_search_rules(Rules) -> [T || {_, _} = T <- Rules].
-ifndef(NEED_get_search_rules_0).
-define(NEED_get_search_rules_0, true).
-endif.
-endif.
-ifndef(HAVE_filelib__find_source_1).
find_source(FilePath) -> find_source(filename:basename(FilePath), filename:dirname(FilePath)).
-endif.
-ifndef(HAVE_filelib__find_source_2).
find_source(Filename, Dir) -> find_source(Filename, Dir, []).
-endif.
-ifndef(HAVE_filelib__find_source_3).
find_source(Filename, Dir, []) -> find_source(Filename, Dir, get_search_rules());
find_source(Filename, Dir, Rules) -> try_suffix_rules(keep_suffix_search_rules(Rules), Filename, Dir).
try_suffix_rules(Rules, Filename, Dir) ->
Ext = filename:extension(Filename),
try_suffix_rules(Rules, filename:rootname(Filename, Ext), Dir, Ext).
try_suffix_rules([{Ext, Src, Rules}|Rest], Root, Dir, Ext) when is_list(Src), is_list(Rules) ->
case try_dir_rules(add_local_search(Rules), Root ++ Src, Dir) of
{ok, _File} = R -> R;
_Other -> try_suffix_rules(Rest, Root, Dir, Ext)
end;
try_suffix_rules([_|Rest], Root, Dir, Ext) -> try_suffix_rules(Rest, Root, Dir, Ext);
try_suffix_rules([], _Root, _Dir, _Ext) -> {error, not_found}.
add_local_search(Rules) -> [{"", ""}|[X || X <- Rules, X =/= {"", ""}]].
keep_suffix_search_rules(Rules) -> [T || {_, _, _} = T <- Rules].
-ifndef(NEED_get_search_rules_0).
-define(NEED_get_search_rules_0, true).
-endif.
-endif.
-ifdef(NEED_get_search_rules_0).
get_search_rules() ->
case application:get_env(kernel, source_search_rules, []) of
[] -> default_search_rules();
R when is_list(R) -> R
end.
default_search_rules() ->
[%% suffix-speficic rules for source search
{".beam", ".erl", erl_source_search_rules()},
{".erl", ".yrl", []},
{"", ".src", erl_source_search_rules()},
{".so", ".c", c_source_search_rules()},
{".o", ".c", c_source_search_rules()},
{"", ".c", c_source_search_rules()},
{"", ".in", basic_source_search_rules()},
%% plain old directory rules, backwards compatible
{"", ""}] ++ erl_source_search_rules().
basic_source_search_rules() -> erl_source_search_rules() ++ c_source_search_rules().
erl_source_search_rules() ->
[{"ebin", "src"}, {"ebin", "esrc"}, {"ebin", filename:join("src", "*")}, {"ebin", filename:join("esrc", "*")}].
c_source_search_rules() -> [{"priv", "c_src"}, {"priv", "src"}, {"bin", "c_src"}, {"bin", "src"}, {"", "src"}].
-endif.