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-rw-r--r--lib/stdlib/src/filename.erl8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl
index 1cb9e4a25e..b9665d7dec 100644
--- a/lib/stdlib/src/filename.erl
+++ b/lib/stdlib/src/filename.erl
@@ -369,8 +369,8 @@ extension(Name0) ->
Name = flatten(Name0),
extension(Name, [], major_os_type()).
-extension([$.|Rest], _Result, OsType) ->
- extension(Rest, [$.], OsType);
+extension([$.|Rest]=Result, _Result, OsType) ->
+ extension(Rest, Result, OsType);
extension([Char|Rest], [], OsType) when is_integer(Char) ->
extension(Rest, [], OsType);
extension([$/|Rest], _Result, OsType) ->
@@ -378,9 +378,9 @@ extension([$/|Rest], _Result, OsType) ->
extension([$\\|Rest], _Result, win32) ->
extension(Rest, [], win32);
extension([Char|Rest], Result, OsType) when is_integer(Char) ->
- extension(Rest, [Char|Result], OsType);
+ extension(Rest, Result, OsType);
extension([], Result, _OsType) ->
- lists:reverse(Result).
+ Result.
%% Joins a list of filenames with directory separators.