From bb7fb3c31d1939ab39fb14322d11a59bc34d8f42 Mon Sep 17 00:00:00 2001
From: Peter Lemenkov <lemenkov@gmail.com>
Date: Tue, 2 Dec 2014 13:31:37 +0300
Subject: Start using os:getenv/2 fun

See #535

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
---
 lib/kernel/src/inet_config.erl | 19 +++----------------
 lib/kernel/src/os.erl          |  5 +----
 2 files changed, 4 insertions(+), 20 deletions(-)

(limited to 'lib/kernel/src')

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(),
-- 
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