* numeric.c (fix_to_s): avoid rb_scan_args() when no argument

  given. 
* bignum.c (rb_big_to_s): ditto.
* enum.c (enum_first): ditto.
* eval_jump.c (rb_f_catch): ditto.
* io.c (rb_obj_display): ditto.
* class.c (rb_obj_singleton_methods): ditto.
* object.c (rb_class_initialize): ditto.
* random.c (rb_f_srand): ditto.
* range.c (range_step): ditto.
* re.c (rb_reg_s_last_match): ditto.
* string.c (rb_str_to_i): ditto.
* string.c (rb_str_each_line): ditto.
* string.c (rb_str_chomp_bang): ditto.
* string.c (rb_str_sum): ditto.

* string.c (str_modifiable): declare inline.
* string.c (str_independent): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 3 deletions

diff --git a/bignum.c b/bignum.c
index 649b258c53..3a7dbe83b0 100644
--- a/bignum.c
+++ b/bignum.c
@@ -987,12 +987,15 @@ rb_big2str(VALUE x, int base)
 static VALUE
 rb_big_to_s(int argc, VALUE *argv, VALUE x)
 {
-    VALUE b;
     int base;
 
-    rb_scan_args(argc, argv, "01", &b);
     if (argc == 0) base = 10;
-    else base = NUM2INT(b);
+    else {
+	VALUE b;
+
+	rb_scan_args(argc, argv, "01", &b);
+	base = NUM2INT(b);
+    }
     return rb_big2str(x, base);
 }