* file.c (file_load_ok): use eaccess() instead of actually opening

the file.  [ruby-talk:156378]

* lib/jcode.rb (String::reverse): add new methods.
  [ruby-list:41245]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9542 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Tue Nov 15 16:15:23 2005  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* file.c (file_load_ok): use eaccess() instead of actually opening
+	  the file.  [ruby-talk:156378]
+
+	* lib/jcode.rb (String::reverse): add new methods.
+	  [ruby-list:41245]
+
 Tue Nov 15 15:49:34 2005  Hirokazu Yamamoto  <ocean@m2.ccsnet.ne.jp>
 
 	* array.c (rb_ary_fill): tail elements were vanished when the middle

file.c

@@ -3954,15 +3954,9 @@ is_macos_native_path(const char *path)
 #endif
 
 static int
-file_load_ok(const char *file)
+file_load_ok(const char *path)
 {
-    FILE *f;
-
-    if (!file) return 0;
-    f = fopen(file, "r");
-    if (f == NULL) return 0;
-    fclose(f);
-    return 1;
+    return eaccess(path, R_OK);
 }
 
 extern VALUE rb_load_path;

lib/jcode.rb

@@ -188,6 +188,15 @@ class String
     (str = self.dup).tr_s!(from,to) or str
   end
 
+  def reverse
+    self.split(//).reverse.join
+  end
+
+  def reverse!
+    self.replace(self.reverse)
+    self
+  end
+
   def chop!
     self.gsub!(/(?:.|\r?\n)\z/, '')
   end