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



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


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