[PING][PATCH] Use NSS_STATUS_TRYAGAIN to indicate insufficient buffer (BZ #16878)

[Ondřej Bílka]

On Thu, May 15, 2014 at 02:12:32PM +0530, Siddhesh Poyarekar wrote:
> Ping!
> 
> On Wed, Apr 30, 2014 at 02:43:30PM +0530, Siddhesh Poyarekar wrote:
> > The netgroups nss modules in the glibc tree use NSS_STATUS_UNAVAIL
> > (with errno as ERANGE) when the supplied buffer does not have
> > sufficient space for the result.  This is wrong, because the canonical
> > way to indicate insufficient buffer is to set the errno to ERANGE and
> > the status to NSS_STATUS_TRYAGAIN, as is used by all other modules.
> > 
> > This fixes nscd behaviour when the nss_ldap module returns
> > NSS_STATUS_TRYAGAIN to indicate that a netgroup entry is too long to
> > fit into the supplied buffer.  A reproducer is present on the bz
> > #16878, which I used to verify that the problem is fixed.  Many thanks
> > to Michael Weiser for the reproducer and analysis.
> > 
looks ok.