[libvirt] [PATCH] Document STR(N)EQ_NULLABLE (was Re: [PATCH 2/2] xenParseXM: don't dereference NULL pointer when script is empty)

[Eric Blake]

On 10/06/2011 05:38 AM, Guido Günther wrote:
> ...and here's the doc update.
>   -- Guido
>
>
> 0001-Document-STREQ_NULLABLE-and-STRNEQ_NULLABLE.patch
>
>
>> From 07b8940e3bb64e2208b191d890e95f059a7ac7a9 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?Guido=20G=C3=BCnther?=<agx at sigxcpu.org>
> Date: Thu, 6 Oct 2011 13:32:49 +0200
> Subject: [PATCH] Document STREQ_NULLABLE and STRNEQ_NULLABLE
>
> ---
>   docs/hacking.html.in |    6 ++++++
>   1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/docs/hacking.html.in b/docs/hacking.html.in
> index 1a32d07..89f9980 100644
> --- a/docs/hacking.html.in
> +++ b/docs/hacking.html.in
> @@ -587,6 +587,12 @@
>     STRPREFIX(a,b)
>   </pre>
>         </li>
> +<li><p>To avoid having to check if a or b are NULL:</p>
> +<pre>
> +  STREQ_NULLABLE(a, b)
> +  STRNEQ_NULLABLE(a, b)
> +</pre>
> +</li>

ACK.  But be sure you also run 'make check', then squash in the 
regeneration of HACKING prior to pushing your commit.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org