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

...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?=&lt;agx(a)sigxcpu.org&gt; 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>