merge revision(s) r46151,r46165: [Backport ruby#9865]

	* io.c (rb_io_fileno, rb_io_inspect): non-modification does not
	  error on frozen IO.  [ruby-dev:48241] [Bug ruby#9865]

	* io.c (rb_io_autoclose_p): Don't raise on frozen IO.

	* test/lib/minitest/unit.rb: IO#autoclose? may raise IOError.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47140 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,12 @@
+Mon Aug 11 23:38:20 2014  Tanaka Akira  <[email protected]>
+
+	* io.c (rb_io_autoclose_p): Don't raise on frozen IO.
+
+Mon Aug 11 23:38:20 2014  Nobuyoshi Nakada  <[email protected]>
+
+	* io.c (rb_io_fileno, rb_io_inspect): non-modification does not
+	  error on frozen IO.  [ruby-dev:48241] [Bug #9865]
+
 Mon Aug 11 22:34:47 2014  Nobuyoshi Nakada  <[email protected]>
 
 	* configure.in (posix_fadvise): disable use of posix_fadvise

io.c

@@ -1914,10 +1914,10 @@ rb_io_fdatasync(VALUE io)
 static VALUE
 rb_io_fileno(VALUE io)
 {
-    rb_io_t *fptr;
+    rb_io_t *fptr = RFILE(io)->fptr;
     int fd;
 
-    GetOpenFile(io, fptr);
+    rb_io_check_closed(fptr);
     fd = fptr->fd;
     return INT2FIX(fd);
 }
@@ -1969,7 +1969,7 @@ rb_io_inspect(VALUE obj)
     VALUE result;
     static const char closed[] = " (closed)";
 
-    fptr = RFILE(rb_io_taint_check(obj))->fptr;
+    fptr = RFILE(obj)->fptr;
     if (!fptr) return rb_any_to_s(obj);
     result = rb_str_new_cstr("#<");
     rb_str_append(result, rb_class_name(CLASS_OF(obj)));
@@ -7519,8 +7519,8 @@ rb_io_s_for_fd(int argc, VALUE *argv, VALUE klass)
 static VALUE
 rb_io_autoclose_p(VALUE io)
 {
-    rb_io_t *fptr;
-    GetOpenFile(io, fptr);
+    rb_io_t *fptr = RFILE(io)->fptr;
+    rb_io_check_closed(fptr);
     return (fptr->mode & FMODE_PREP) ? Qfalse : Qtrue;
 }
 

test/ruby/test_io.rb

@@ -1122,6 +1122,8 @@ def test_dup_many
   def test_inspect
     with_pipe do |r, w|
       assert_match(/^#<IO:fd \d+>$/, r.inspect)
+      r.freeze
+      assert_match(/^#<IO:fd \d+>$/, r.inspect)
     end
   end
 
@@ -2751,6 +2753,21 @@ def test_std_fileno
     assert_equal(2, $stderr.fileno)
   end
 
+  def test_frozen_fileno
+    bug9865 = '[ruby-dev:48241] [Bug #9865]'
+    with_pipe do |r,w|
+      fd = r.fileno
+      assert_equal(fd, r.freeze.fileno, bug9865)
+    end
+  end
+
+  def test_frozen_autoclose
+    with_pipe do |r,w|
+      fd = r.fileno
+      assert_equal(true, r.freeze.autoclose?)
+    end
+  end
+
   def test_sysread_locktmp
     bug6099 = '[ruby-dev:45297]'
     buf = " " * 100

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.2"
 #define RUBY_RELEASE_DATE "2014-08-11"
-#define RUBY_PATCHLEVEL 198
+#define RUBY_PATCHLEVEL 199
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 8