From: Park Heesob <phasis68@...>
Date: 2008-04-13T22:43:30+09:00
Subject: Re: umask vs umask

Hi,
----- Original Message ----- 
From: "Daniel Berger" <djberg96@gmail.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Sunday, April 13, 2008 9:15 PM
Subject: umask vs umask


> Hi,
> 
> Windows XP Home
> Ruby 1.8.6 p114
> 
> I think I need another set of eyes on this one, because it looks to me 
> like Ruby isn't picking up the changes I make with a custom umask, and 
> vice versa.
> 
> require 'win32/api'
> include Win32
> 
> S_IWRITE = 0000200
> S_IREAD  = 0000400
> 
> Umask = API.new('_umask', 'I', 'I', 'msvcrt')
> 
> # Mimic file.c
> def umask(*args)
>    omask = 0
> 
>    if args.length == 0
>       omask = Umask.call(0)
>       Umask.call(omask)
>    elsif args.length == 1
>       omask = Umask.call(args[0])
>    else
>       raise ArgumentError, "wrong number of arguments"
>    end
> 
>    return omask
> end
> 
> p umask(S_IREAD) # 0
> p umask          # 256 (ok)
> p umask          # 256 (double check, ok)
> 
> p File.umask     # 0 - wtf?
> 
> Why isn't Ruby's File.umask picking up the change? I see the same thing 
> if I set it with File.umask and try to read the changes with my own umask.
> 
In my Windows XP Home & Pro, with ruby 1.8.6 p111,
the File.umask works fine.

Regards,

Park Heesob