aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel/src/application.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/kernel/src/application.erl')
-rw-r--r--lib/kernel/src/application.erl21
1 files changed, 17 insertions, 4 deletions
diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl
index c299fb085c..4e65883be7 100644
--- a/lib/kernel/src/application.erl
+++ b/lib/kernel/src/application.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -23,7 +23,7 @@
which_applications/0, which_applications/1,
loaded_applications/0, permit/2]).
-export([set_env/3, set_env/4, unset_env/2, unset_env/3]).
--export([get_env/1, get_env/2, get_all_env/0, get_all_env/1]).
+-export([get_env/1, get_env/2, get_env/3, get_all_env/0, get_all_env/1]).
-export([get_key/1, get_key/2, get_all_key/0, get_all_key/1]).
-export([get_application/0, get_application/1, info/0]).
-export([start_type/0]).
@@ -37,8 +37,7 @@
-type application_opt() :: {'description', Description :: string()}
| {'vsn', Vsn :: string()}
| {'id', Id :: string()}
- | {'modules', [(Module :: module()) |
- {Module :: module(), Version :: term()}]}
+ | {'modules', [Module :: module()]}
| {'registered', Names :: [Name :: atom()]}
| {'applications', [Application :: atom()]}
| {'included_applications', [Application :: atom()]}
@@ -265,6 +264,20 @@ get_env(Key) ->
get_env(Application, Key) ->
application_controller:get_env(Application, Key).
+-spec get_env(Application, Par, Def) -> Val when
+ Application :: atom(),
+ Par :: atom(),
+ Def :: term(),
+ Val :: term().
+
+get_env(Application, Key, Def) ->
+ case get_env(Application, Key) of
+ {ok, Val} ->
+ Val;
+ undefined ->
+ Def
+ end.
+
-spec get_all_env() -> Env when
Env :: [{Par :: atom(), Val :: term()}].