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Date: Mon, 13 May 2013 20:23:19 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Why mkgroup does not list group members?
Message-ID: <20130513182319.GN8890@calimero.vinschen.de>
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On May 13 18:17, Lavrentiev, Anton (NIH/NLM/NCBI) [C] wrote:
> I may have put it a bit incorrectly,
> 
> > In that case, your expectations of the getgrXXX functions are wrong.
> 
> but I don't think so.  I am looking if a user belongs to a group,
> either as their primary or secondary one.  So when using getgrXXX()
> I check to see if a user (whose primary, passwd-supplied, gid does not
> match the gid of the group) is listed as a member.  In CYGWIN that does
> not work because the information is missing from the group file.

Then use Windows functions to fetch the information.  This is still
better than to add all users to all groups they belong to.  The
passwd/group information is kept in memory.  I'm shuddering to think of
the memory requirements if all gr_mem fields are filled in a bigger
company.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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