File libvirt-util-Non-existent-string-array-does-not-contain-any-string.patch of Package libvirt

From e978fd02e81ca20d022b5ae97ad76f4dc6c6fa64 Mon Sep 17 00:00:00 2001
Message-Id: <e978fd02e81ca20d022b5ae97ad76f4dc6c6fa64@dist-git>
From: Jiri Denemark <jdenemar@redhat.com>
Date: Fri, 19 Jul 2013 14:55:41 +0200
Subject: [PATCH] util: Non-existent string array does not contain any string

Make virStringArrayHasString return false when called on a non-existent
string array.

https://bugzilla.redhat.com/show_bug.cgi?id=807023

(cherry picked from commit 09e9f28118af848cb0a40a99a5b1502e0de88495)
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
 src/util/virstring.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util/virstring.c b/src/util/virstring.c
index 7ce6f84..536d311 100644
--- a/src/util/virstring.c
+++ b/src/util/virstring.c
@@ -173,6 +173,9 @@ virStringArrayHasString(char **strings, const char *needle)
 {
     size_t i = 0;
 
+    if (!strings)
+        return false;
+
     while (strings[i]) {
         if (STREQ(strings[i++], needle))
             return true;
-- 
2.0.0