Re: File Owner and Group ID on Windows

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

Eli Zaretskii wrote:
>> Date: Mon, 25 Aug 2008 00:52:00 +0200
>> From: "Juanma Barranquero" <lekktu@gmail.com>
>> Cc: emacs-devel@gnu.org
>>
>> On Sun, Aug 24, 2008 at 22:20, Eli Zaretskii <eliz@gnu.org> wrote:
>>
>>> What about Emacs 22.x: does it report something like 5 for user-uid on
>>> that machine?
>> Yes, an EMACS_22_BASE build from today returns (user-uid) => 5.
>>
>>> If it does, then it does work for you on that machine
>>> in Emacs 22, and the question is what did I manage to break in what
>>> worked before.  Could you please take a look?
>> Do you mean, take a look at what differs between 22.X and the trunk?
> 
> Yes, sorry for being unclear.
> 
> The only change between 22.x and the current CVS trunk should be that
> the value of dflt_passwd.pw_uid is computed differently from the
> user's SID we extract from Emacs's process token.  But what you found
> from your debugging seems to indicate that somehow one of the syscalls
> we use for extracting the SID stopped working, and I don't expect any
> differences there, because that code wasn't supposed to change between
> 22.x and the trunk.


I took a quick look at the sources. I guess lookup_account_sid is
involved? In some places where it is called there is no error checking
AFAICS.