[libvirt] [PATCH 1/7] util: improve user lookup helper

[Cole Robinson]

On 07/23/2013 11:03 AM, Eric Blake wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=964358
> 
> A future patch needs to look up pw_gid; but it is wasteful
> to crawl through getpwuid_r twice for two separate pieces
> of information, and annoying to copy that much boilerplate
> code for doing the crawl.  The current internal-only
> virGetUserEnt is also a rather awkward interface; it's easier
> to just design it to let callers request multiple pieces of
> data as needed from one traversal.
> 
> And while at it, I noticed that virGetXDGDirectory could deref
> NULL if the getpwuid_r lookup fails.
> 
> * src/util/virutil.c (virGetUserEnt): Alter signature.
> (virGetUserDirectory, virGetXDGDirectory, virGetUserName): Adjust
> callers.
> 
> Signed-off-by: Eric Blake <eblake at redhat.com>
> (cherry picked from commit c1983ba4e3902308054e961fcae75cece73ef4ba)
> 
> Conflicts:
> 	src/util/virutil.c - oom reporting/strdup changes not backported
> ---
>  src/util/util.c | 60 ++++++++++++++++++++++++++++++++++-----------------------
>  1 file changed, 36 insertions(+), 24 deletions(-)
> 

ACK

- Cole