Calc fix to not allow runaway processing.

2013-12-25 19:43:23 -05:00 · 2013-12-25 19:43:23 -05:00 · cdd0c791c5
commit cdd0c791c5
parent 597e3c0e39
1 changed files with 2 additions and 0 deletions
--- a/lib/DDG/Goodie/Calculator.pm
+++ b/lib/DDG/Goodie/Calculator.pm
@ -94,6 +94,8 @@ handle query_nowhitespace => sub {
        $tmp_expr =~ s/(?<!\.)(?<![0-9])0([1-9])/$1/;

 	eval {
+	    # e.g. sin(100000)/100000 completely makes this go haywire.
+	    alarm(1);
 	    $tmp_result = eval($tmp_expr);
 	};