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-rw-r--r--lib/kernel/doc/src/error_logger.xml15
-rw-r--r--lib/kernel/src/error_logger.erl20
2 files changed, 34 insertions, 1 deletions
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml
index 814e8eac46..27db00819f 100644
--- a/lib/kernel/doc/src/error_logger.xml
+++ b/lib/kernel/doc/src/error_logger.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2016</year>
+ <year>1996</year><year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -163,6 +163,19 @@ ok</pre>
</desc>
</func>
<func>
+ <name name="get_format_depth" arity="0"/>
+ <fsummary>Get the value of the Kernel application variable
+ <c>error_logger_format_depth</c>.</fsummary>
+ <desc>
+ <p>Returns <c>max(10, Depth)</c>, where <c>Depth</c> is the
+ value of
+ <seealso marker="kernel:kernel_app#error_logger_format_depth">
+ error_logger_format_depth</seealso>
+ in the Kernel application, if Depth is an integer. Otherwise,
+ <c>unlimited</c> is returned.</p>
+ </desc>
+ </func>
+ <func>
<name name="info_msg" arity="1"/>
<name name="info_msg" arity="2"/>
<fsummary>Send a standard information event to the error logger.</fsummary>
diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl
index 81f1bf8d97..9bf8547745 100644
--- a/lib/kernel/src/error_logger.erl
+++ b/lib/kernel/src/error_logger.erl
@@ -31,6 +31,8 @@
handle_event/2, handle_call/2, handle_info/2,
terminate/2]).
+-export([get_format_depth/0, limit_term/1]).
+
-define(buffer_size, 10).
%%-----------------------------------------------------------------
@@ -518,3 +520,21 @@ string_p1([H|T]) when is_list(H) ->
end;
string_p1([]) -> true;
string_p1(_) -> false.
+
+-spec limit_term(term()) -> term().
+
+limit_term(Term) ->
+ case get_format_depth() of
+ unlimited -> Term;
+ D -> io_lib:limit_term(Term, D)
+ end.
+
+-spec get_format_depth() -> 'unlimited' | pos_integer().
+
+get_format_depth() ->
+ case application:get_env(kernel, error_logger_format_depth) of
+ {ok, Depth} when is_integer(Depth) ->
+ max(10, Depth);
+ undefined ->
+ unlimited
+ end.