* pack.c (pack_pack): check errno to detect error of ruby_strtoul.

* pack.c (pack_unpack): ditto.

* test/ruby/test_pack.rb: add a test for above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16452 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb
index b388937578..30ffe13426 100644
--- a/test/ruby/test_pack.rb
+++ b/test/ruby/test_pack.rb
@@ -441,4 +441,8 @@ class TestPack < Test::Unit::TestCase
       end.join
     end
   end
+
+  def test_length_too_big
+    assert_raise(RangeError) { [].pack("C100000000000000000000") }
+  end
 end