dir.c: normalize cwd

* dir.c (rb_dir_getwd): normalize OS path to UTF-8 on OS X.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52012 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Oct  4 10:09:57 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* dir.c (rb_dir_getwd): normalize OS path to UTF-8 on OS X.
+
 Sun Oct  4 00:09:45 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* template/ruby-runner.c.in: wrapper to set dynamic loading path

dir.c

@@ -1012,7 +1012,12 @@ rb_dir_getwd(void)
     VALUE cwd;
 
     path = my_getcwd();
+#ifdef __APPLE__
+    cwd = rb_str_normalize_ospath(path, strlen(path));
+    OBJ_TAINT(cwd);
+#else
     cwd = rb_tainted_str_new2(path);
+#endif
     rb_enc_associate(cwd, rb_filesystem_encoding());
 
     xfree(path);

test/ruby/test_dir_m17n.rb

@@ -395,4 +395,14 @@ class TestDir_M17N < Test::Unit::TestCase
       pp.assert_equal(orig, ents, bug7267)
     }
   end
+
+  def test_pwd
+    with_tmpdir {|d|
+      orig = %W"d\u{e9}tente x\u{304c 304e 3050 3052 3054}"
+      orig.each do |n|
+        Dir.mkdir(n)
+        assert_equal(n, File.basename(Dir.chdir(n) {Dir.pwd}))
+      end
+    }
+  end
 end