From: nobu.nokada@...
Date: 2003-12-08T18:18:53+09:00
Subject: Re: subclassing Errno::XXX

Hi,

At Mon, 8 Dec 2003 17:47:57 +0900,
Yukihiro Matsumoto wrote:
> |> In 1.8, Errno::XXX classes are required to define Errno constant that
> |> shows its errno.
> |
> |I'm getting to feel a subclass of SystemCallError may inherit
> |it, although agree that still a direct child must define it.
> 
> I'm not sure what you mean.  Do you mean when MissingFileError
> inherits from Errno::ENOENT, it should inherit Errno constat from
> Errno::ENOENT as well?

I meant SystemCallError#initialize should use Errno in the
parent class.


Index: error.c
===================================================================
RCS file: /cvs/ruby/src/ruby/error.c,v
retrieving revision 1.83
diff -u -2 -p -r1.83 error.c
--- error.c	22 Nov 2003 03:59:17 -0000	1.83
+++ error.c	8 Dec 2003 09:18:36 -0000
@@ -594,5 +594,5 @@ syserr_initialize(argc, argv, self)
     else {
 	rb_scan_args(argc, argv, "01", &mesg);
-	error = rb_const_get_at(klass, rb_intern("Errno"));
+	error = rb_const_get(klass, rb_intern("Errno"));
     }
     if (!NIL_P(error)) err = strerror(NUM2LONG(error));


-- 
Nobu Nakada