From: Daniel P. Berrange <berrange@redhat.com>
Date: Wed, 3 Apr 2013 14:55:37 +0000 (+0100)
Subject: Avoid cast alignment warnings in port allocator test
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=2d77704509d42143ffd8fd676422c8c34d48f3db;p=people%2Fliuw%2Flibxenctrl-split%2Flibvirt.git

Avoid cast alignment warnings in port allocator test

To avoid

virportallocatortest.c: In function 'bind':
virportallocatortest.c:34:33: warning: cast increases required alignment of target type [-Wcast-align]
     struct sockaddr_in *saddr = (struct sockaddr_in *)addr;
                                 ^

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
---

diff --git a/tests/virportallocatortest.c b/tests/virportallocatortest.c
index 9931e1163..1935602c9 100644
--- a/tests/virportallocatortest.c
+++ b/tests/virportallocatortest.c
@@ -31,12 +31,14 @@ int bind(int sockfd ATTRIBUTE_UNUSED,
          const struct sockaddr *addr,
          socklen_t addrlen ATTRIBUTE_UNUSED)
 {
-    struct sockaddr_in *saddr = (struct sockaddr_in *)addr;
+    struct sockaddr_in saddr;
 
-    if (saddr->sin_port == htons(5900) ||
-        saddr->sin_port == htons(5904) ||
-        saddr->sin_port == htons(5905) ||
-        saddr->sin_port == htons(5906)) {
+    memcpy(&saddr, addr, sizeof(saddr));
+
+    if (saddr.sin_port == htons(5900) ||
+        saddr.sin_port == htons(5904) ||
+        saddr.sin_port == htons(5905) ||
+        saddr.sin_port == htons(5906)) {
         errno = EADDRINUSE;
         return -1;
     }