From fd9525a6764e3aa0c29e6456ddaf75035559ebd5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Wed, 6 May 2015 14:28:42 +0200 Subject: Correct filename:split(<<"">>) filename:split("") returns [], while filename:split(<<"">>) returns [<<"/">>]. Since the support in the filename module for binary arguments is much more recent than support for strings, change filename:split(<<"">>) so that it returns []. Noticed-by: KOUCHANG --- lib/stdlib/src/filename.erl | 2 +- lib/stdlib/test/filename_SUITE.erl | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) (limited to 'lib/stdlib') diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index 632af17e2a..68bd4f71cc 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -648,7 +648,7 @@ split(Name0) -> unix_splitb(Name) -> L = binary:split(Name,[<<"/">>],[global]), LL = case L of - [<<>>|Rest] -> + [<<>>|Rest] when Rest =/= [] -> [<<"/">>|Rest]; _ -> L diff --git a/lib/stdlib/test/filename_SUITE.erl b/lib/stdlib/test/filename_SUITE.erl index 6f1d1a891d..70e7ad9788 100644 --- a/lib/stdlib/test/filename_SUITE.erl +++ b/lib/stdlib/test/filename_SUITE.erl @@ -395,6 +395,8 @@ split(Config) when is_list(Config) -> ?line ["foo", "bar", "hello"]= filename:split("foo////bar//hello"), ?line ["foo", "bar", "hello"]= filename:split(["foo//",'//bar//h',"ello"]), ?line ["foo", "bar", "hello"]= filename:split(["foo//",'//bar//h'|ello]), + ["/"] = filename:split("/"), + [] = filename:split(""), case os:type() of {win32,_} -> ?line ["a:/","msdev","include"] = @@ -767,6 +769,8 @@ split_bin(Config) when is_list(Config) -> [<<"/">>,<<"usr">>,<<"local">>,<<"bin">>] = filename:split(<<"/usr/local/bin">>), [<<"foo">>,<<"bar">>]= filename:split(<<"foo/bar">>), [<<"foo">>, <<"bar">>, <<"hello">>]= filename:split(<<"foo////bar//hello">>), + [<<"/">>] = filename:split(<<"/">>), + [] = filename:split(<<"">>), case os:type() of {win32,_} -> [<<"a:/">>,<<"msdev">>,<<"include">>] = -- cgit v1.2.3