* sprintf.c (rb_str_format): should preserve leading zero

  information for negative %b and %x.  [ruby-talk:221347]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/sprintf.c b/sprintf.c
index 585db5b718..41661f1134 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -627,7 +627,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
 			    val = rb_big_clone(val);
 			    rb_big_2comp(val);
 			}
-			tmp1 = tmp = rb_big2str(val, base);
+			tmp1 = tmp = rb_big2str0(val, base, RBIGNUM(val)->sign);
 			s = RSTRING_PTR(tmp);
 			if (*s == '-') {
 			    if (base == 10) {