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-rw-r--r--lib/kernel/src/inet_config.erl19
-rw-r--r--lib/kernel/src/os.erl5
-rw-r--r--lib/kernel/test/interactive_shell_SUITE.erl7
3 files changed, 5 insertions, 26 deletions
diff --git a/lib/kernel/src/inet_config.erl b/lib/kernel/src/inet_config.erl
index fdc244f959..187bfbdab0 100644
--- a/lib/kernel/src/inet_config.erl
+++ b/lib/kernel/src/inet_config.erl
@@ -113,13 +113,7 @@ init() ->
{unix,_} ->
%% The Etc variable enables us to run tests with other
%% configuration files than the normal ones
- Etc =
- case os:getenv("ERL_INET_ETC_DIR") of
- false ->
- ?DEFAULT_ETC;
- _EtcDir ->
- _EtcDir
- end,
+ Etc = os:getenv("ERL_INET_ETC_DIR", ?DEFAULT_ETC),
case inet_db:res_option(resolv_conf) of
undefined ->
inet_db:res_option(
@@ -152,11 +146,7 @@ erl_dist_mode() ->
do_load_resolv({unix,Type}, longnames) ->
%% The Etc variable enables us to run tests with other
%% configuration files than the normal ones
- Etc = case os:getenv("ERL_INET_ETC_DIR") of
- false -> ?DEFAULT_ETC;
- _EtcDir ->
- _EtcDir
- end,
+ Etc = os:getenv("ERL_INET_ETC_DIR", ?DEFAULT_ETC),
load_resolv(filename:join(Etc, ?DEFAULT_RESOLV), resolv),
case Type of
freebsd -> %% we may have to check version (2.2.2)
@@ -307,10 +297,7 @@ load_hosts(File,Os) ->
win32_load_from_registry(Type) ->
%% The TcpReg variable enables us to run tests with other registry configurations than
%% the normal ones
- TcpReg = case os:getenv("ERL_INET_ETC_DIR") of
- false -> [];
- _TReg -> _TReg
- end,
+ TcpReg = os:getenv("ERL_INET_ETC_DIR", ""),
{ok, Reg} = win32reg:open([read]),
{TcpIp,HFileKey} =
case Type of
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index 8aaf13b3fd..7468a06f3c 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -98,10 +98,7 @@ version() ->
Name :: string(),
Filename :: string().
find_executable(Name) ->
- case os:getenv("PATH") of
- false -> find_executable(Name, []);
- Path -> find_executable(Name, Path)
- end.
+ find_executable(Name, os:getenv("PATH", "")).
-spec find_executable(Name, Path) -> Filename | 'false' when
Name :: string(),
diff --git a/lib/kernel/test/interactive_shell_SUITE.erl b/lib/kernel/test/interactive_shell_SUITE.erl
index 7f6024f642..3fb7c68886 100644
--- a/lib/kernel/test/interactive_shell_SUITE.erl
+++ b/lib/kernel/test/interactive_shell_SUITE.erl
@@ -48,12 +48,7 @@ groups() ->
[].
init_per_suite(Config) ->
- Term = case os:getenv("TERM") of
- List when is_list(List) ->
- List;
- _ ->
- "dumb"
- end,
+ Term = os:getenv("TERM", "dumb"),
os:putenv("TERM","vt100"),
DefShell = get_default_shell(),
[{default_shell,DefShell},{term,Term}|Config].