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comp.lang.ruby

Re: File.mtime: Bug on Windows?

Berger, Daniel

3/31/2006 4:14:00 PM

> -----Original Message-----
> From: Axel Friedrich [mailto:axel.friedrich.NOT@VALID.de]
> Sent: Thursday, March 30, 2006 11:14 PM
> To: ruby-talk ML
> Subject: File.mtime: Bug on Windows?
>
>
>
> Hello,
>
> I think, there is a bug in File.mtime, unfortunately:
>
> Using:
> ruby 1.8.4 (2005-12-24) [i386-mswin32]
> Windows XP with NTFS filesystem
>
> When reading File.mtime( 'any existing filename'),
> the result is different by one hour, when doing this with the
> computer clock set to a daylight saving time (DST) and doing this
> with the computer clock set to a standard time.

The bug, if you are correct, is in the Windows' implementation of _stat
(or _stat64).

I think your best bet is, perhaps using the Perl module as a baseline,
to submit a patch to win32.c to ruby-core, keeping in mind that future
versions of Windows just might fix this bug.

Regards,

Dan
1 Answer

Axel Friedrich

4/2/2006 5:08:00 PM

0

Hello Dan,

> I think your best bet is, perhaps using the Perl module as a
> baseline, to submit a patch to win32.c to ruby-core,

I think, you are right. Sorry to say, that I don't know programming
perl nor any kind of c. So I think, I'll not succeed in doing this.
(Most of Ruby-programming I do at home, just for fun. Only
occasionally, I use Ruby in my office for making my job somewhat
easier... .)

Regards,

Axel