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-rw-r--r--lib/stdlib/src/filelib.erl29
1 files changed, 17 insertions, 12 deletions
diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl
index d5ddf9ed7e..eaaca750ab 100644
--- a/lib/stdlib/src/filelib.erl
+++ b/lib/stdlib/src/filelib.erl
@@ -166,36 +166,41 @@ do_is_regular(File, Mod) ->
%% If <Recursive> is true all sub-directories to <Dir> are processed
do_fold_files(Dir, RegExp, Recursive, Fun, Acc, Mod) ->
- {ok, Re1} = re:compile(RegExp),
- do_fold_files1(Dir, Re1, Recursive, Fun, Acc, Mod).
+ {ok, Re1} = re:compile(RegExp,[unicode]),
+ do_fold_files1(Dir, Re1, RegExp, Recursive, Fun, Acc, Mod).
-do_fold_files1(Dir, RegExp, Recursive, Fun, Acc, Mod) ->
+do_fold_files1(Dir, RegExp, OrigRE, Recursive, Fun, Acc, Mod) ->
case eval_list_dir(Dir, Mod) of
- {ok, Files} -> do_fold_files2(Files, Dir, RegExp, Recursive, Fun, Acc, Mod);
+ {ok, Files} -> do_fold_files2(Files, Dir, RegExp, OrigRE,
+ Recursive, Fun, Acc, Mod);
{error, _} -> Acc
end.
-do_fold_files2([], _Dir, _RegExp, _Recursive, _Fun, Acc, _Mod) ->
+%% OrigRE is not to be compiled as it's for non conforming filenames,
+%% i.e. for filenames that does not comply to the current encoding, which should
+%% be very rare. We use it only in those cases and do not want to precompile.
+do_fold_files2([], _Dir, _RegExp, _OrigRE, _Recursive, _Fun, Acc, _Mod) ->
Acc;
-do_fold_files2([File|T], Dir, RegExp, Recursive, Fun, Acc0, Mod) ->
+do_fold_files2([File|T], Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod) ->
FullName = filename:join(Dir, File),
case do_is_regular(FullName, Mod) of
true ->
- case re:run(File, RegExp, [{capture,none}]) of
+ case re:run(File, if is_binary(File) -> OrigRE; true -> RegExp end,
+ [{capture,none}]) of
match ->
Acc = Fun(FullName, Acc0),
- do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc, Mod);
+ do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc, Mod);
nomatch ->
- do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc0, Mod)
+ do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod)
end;
false ->
case Recursive andalso do_is_dir(FullName, Mod) of
true ->
- Acc1 = do_fold_files1(FullName, RegExp, Recursive,
+ Acc1 = do_fold_files1(FullName, RegExp, OrigRE, Recursive,
Fun, Acc0, Mod),
- do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc1, Mod);
+ do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc1, Mod);
false ->
- do_fold_files2(T, Dir, RegExp, Recursive, Fun, Acc0, Mod)
+ do_fold_files2(T, Dir, RegExp, OrigRE, Recursive, Fun, Acc0, Mod)
end
end.