* file.c (rb_io_statfs): need to define even if the system doesn't have

fstatfs(2).

* test/ruby/test_file.rb (TestFile#test_statfs): skip if IO#stafs is not
  implemented.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Tue Apr 22 22:15:51 2014  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* file.c (rb_io_statfs): need to define even if the system doesn't have
+	  fstatfs(2).
+
+	* test/ruby/test_file.rb (TestFile#test_statfs): skip if IO#stafs is not
+	  implemented.
+
 Tue Apr 22 19:32:48 2014  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* file.c: newly added a class File::Statfs. (experimental)

file.c

@@ -1125,6 +1125,8 @@ rb_io_statfs(VALUE obj)
     }
     return rb_statfs_new(&st);
 }
+#else
+#define rb_io_statfs rb_f_notimplement
 #endif
 
 static int

test/ruby/test_file.rb

@@ -385,6 +385,7 @@ class TestFile < Test::Unit::TestCase
   end
 
   def test_statfs
+    skip "not implemented" unless $stdout.respond_to?(:statfs)
     open(__FILE__) do |f|
       st = f.statfs
       assert_kind_of File::Statfs, st