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X-HELO: calimero.vinschen.de
Date: Sun, 9 Feb 2014 17:16:09 +0100
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: get rid of getpwent? (Was: cygwin-1.7.28 getpwent header declaration changes ?)
Message-ID: <20140209161609.GD2821@calimero.vinschen.de>
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References: <52F339CA.5070305@gmail.com> <20140206090117.GD2821@calimero.vinschen.de> <52F361C5.3000807@gmail.com> <20140206141321.GI2821@calimero.vinschen.de> <52F40208.5030901@etr-usa.com> <20140207094917.GN2821@calimero.vinschen.de> <52F4E540.2010606@tiscali.co.uk> <52F51D19.6080807@etr-usa.com> <31347914-BB4F-4039-984B-731B6C72F903@etr-usa.com> <20140209161045.GC2821@calimero.vinschen.de>
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On Feb  9 17:10, Corinna Vinschen wrote:
> On Feb  9 08:45, Warren Young wrote:
> > On Feb 7, 2014, at 10:51 AM, Warren Young <warren@etr-usa.com> wrote:
> >=20
> > > Here's a better check that doesn't give false positives:
> > >=20
> > >    $ cat <<END > checkfile
> > >    #!/bin/sh
> > >    if egrep -q '_getgrent(32|64)' "$1" ; then echo $1 ; fi
> > >    END
> > >    $ find /bin -name \*.exe -exec ./checkfile {} \;
> >=20
> > The strings(1) call got left out of that test.  Here=E2=80=99s a workin=
g variant, which tests for getpwent() calls instead:
> >=20
> >     $ cat <<END > checkfile
> >     if strings "$1" | egrep -q '^getpwent$' ; then echo $1 ; fi
> >     END
> >     $ find /bin -name \*.exe -exec sh checkfile {} \;
> >=20
> > Alas, Vim *does* call this API.  Results:
>=20
> It does so to evaluate a ~user in a path and I guess that's what other
> apps do as well.  This is kind of weird since it would obviously not be
> necessary to enumerate accounts for this functionality:
>=20
>   if (~ in path)
>     if (~ is solo)
>       getpwuid(getuid ())
>     else
>       getpwname (username after the ~);

Huh, even though tcsh calls getpwent as well, this works fine:

  $ cd ~foo

with foo being some not yet cached user name.

However, with my current code this:

  $ cd ~<TAB>

only returns the cached user entries.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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