* ext/pathname/pathname.c (path_realpath): Pathname#realpath translated

from pathname.rb.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun Aug  1 20:57:22 2010  Tanaka Akira  <akr@fsij.org>
+
+	* ext/pathname/pathname.c (path_realpath): Pathname#realpath translated
+	  from pathname.rb.
+
 Sun Aug  1 17:27:32 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* win32/Makefile.sub: needs stddef.h for size_t.  a patch from

ext/pathname/lib/pathname.rb

@@ -179,17 +179,6 @@ class Pathname
   end
   private :cleanpath_conservative
 
-  #
-  # Returns the real (absolute) pathname of +self+ in the actual
-  # filesystem not containing symlinks or useless dots.
-  #
-  # All components of the pathname must exist when this method is
-  # called.
-  #
-  def realpath(basedir=nil)
-    self.class.new(File.realpath(@path, basedir))
-  end
-
   #
   # Returns the real (absolute) pathname of +self+ in the actual filesystem.
   # The real pathname doesn't contain symlinks or useless dots.

ext/pathname/pathname.c

@@ -198,6 +198,23 @@ path_sub_ext(VALUE self, VALUE repl)
     return rb_class_new_instance(1, &str2, rb_obj_class(self));
 }
 
+/*
+ * Returns the real (absolute) pathname of +self+ in the actual
+ * filesystem not containing symlinks or useless dots.
+ *
+ * All components of the pathname must exist when this method is
+ * called.
+ *
+ */
+static VALUE
+path_realpath(int argc, VALUE *argv, VALUE self)
+{
+    VALUE basedir, str;
+    rb_scan_args(argc, argv, "01", &basedir);
+    str = rb_funcall(rb_cFile, rb_intern("realpath"), 2, get_strpath(self), basedir);
+    return rb_class_new_instance(1, &str, rb_obj_class(self));
+}
+
 /*
  * == Pathname
  *
@@ -396,4 +413,5 @@ Init_pathname()
     rb_define_method(rb_cPathname, "inspect", path_inspect, 0);
     rb_define_method(rb_cPathname, "sub", path_sub, -1);
     rb_define_method(rb_cPathname, "sub_ext", path_sub_ext, 1);
+    rb_define_method(rb_cPathname, "realpath", path_realpath, -1);
 }