* ext/pathname/pathname.c (path_birthtime): New method,

Pathname#birthtime.
  Proposed by Kazuhiro NISHIYAMA.  [ruby-dev:48232] [Feature #9857]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46602 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sat Jun 28 22:44:16 2014  Tanaka Akira  <akr@fsij.org>
+
+	* ext/pathname/pathname.c (path_birthtime): New method,
+	  Pathname#birthtime.
+	  Proposed by Kazuhiro NISHIYAMA.  [ruby-dev:48232] [Feature #9857]
+
 Sat Jun 28 20:29:03 2014  Simon Baird  <simon.baird@gmail.com>
 
 	* ext/bigdecimal/lib/bigdecimal/math.rb (BigMath#PI): change error

ext/pathname/extconf.rb

@@ -1,2 +1,3 @@
 require 'mkmf'
+have_struct_member("struct stat", "st_birthtimespec", "sys/stat.h")
 create_makefile('pathname')

ext/pathname/pathname.c

@@ -440,6 +440,25 @@ path_atime(VALUE self)
     return rb_funcall(rb_cFile, rb_intern("atime"), 1, get_strpath(self));
 }
 
+/*
+ * call-seq:
+ *   pathname.birthtime	-> time
+ *
+ * Returns the birth time for the file.
+ * If the platform doesn't have birthtime, returns <i>ctime</i>.
+ *
+ * See File.birthtime.
+ */
+#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC)
+static VALUE
+path_birthtime(VALUE self)
+{
+    return rb_funcall(rb_cFile, rb_intern("birthtime"), 1, get_strpath(self));
+}
+#else
+# define path_birthtime rb_f_notimplement
+#endif
+
 /*
  * call-seq:
  *   pathname.ctime	-> time
@@ -1288,6 +1307,7 @@ path_f_pathname(VALUE self, VALUE str)
  *
  * These methods are a facade for File:
  * - #atime
+ * - #birthtime
  * - #ctime
  * - #mtime
  * - #chmod(mode)
@@ -1380,6 +1400,7 @@ Init_pathname()
     rb_define_method(rb_cPathname, "binwrite", path_binwrite, -1);
     rb_define_method(rb_cPathname, "sysopen", path_sysopen, -1);
     rb_define_method(rb_cPathname, "atime", path_atime, 0);
+    rb_define_method(rb_cPathname, "birthtime", path_birthtime, 0);
     rb_define_method(rb_cPathname, "ctime", path_ctime, 0);
     rb_define_method(rb_cPathname, "mtime", path_mtime, 0);
     rb_define_method(rb_cPathname, "chmod", path_chmod, 1);

test/pathname/test_pathname.rb

@@ -771,6 +771,14 @@ class TestPathname < Test::Unit::TestCase
     assert_kind_of(Time, Pathname(__FILE__).atime)
   end
 
+  def test_birthtime
+    assert_kind_of(Time, Pathname(__FILE__).birthtime)
+  rescue NotImplementedError
+    assert_raise(NotImplementedError) do
+      File.birthtime(__FILE__)
+    end
+  end
+
   def test_ctime
     assert_kind_of(Time, Pathname(__FILE__).ctime)
   end