* vsnprintf.c (BSD__uqtoa): Fix overflow when long != quad_t.

  patched by Peter Weldon <peter.weldon AT null.net>
  [ruby-core:33985]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30435 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Fri Dec 31 03:23:26 2010  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* vsnprintf.c (BSD__uqtoa): Fix overflow when long != quad_t.
+	  patched by Peter Weldon <peter.weldon AT null.net>
+	  [ruby-core:33985]
+
 Fri Dec 31 03:00:34 2010  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* Makefile.in: remove unnecessary semicolons.

test/ruby/test_time.rb

@@ -634,6 +634,9 @@ def test_strftime
                  t.strftime("%m/%d/%Y %l:%M:%S.%9N"))
     assert_equal("03/14/1592  6:53:58.97932384",
                  t.strftime("%m/%d/%Y %l:%M:%S.%8N"))
+
+    # [ruby-core:33985]
+    assert_equal("3000000000", Time.at(3000000000).strftime('%s'))
   end
 
   def test_delegate

vsnprintf.c

@@ -368,7 +368,7 @@ static char *
 BSD__uqtoa(register u_quad_t val, char *endp, int base, int octzero, const char *xdigs)
 {
 	register char *cp = endp;
-	register long sval;
+	register quad_t sval;
 
 	/*
 	 * Handle the three cases separately, in the hope of getting