util: Shorten references into SocketAddress

An upcoming patch will alter how simple unions, like SocketAddress,
are laid out, which will impact all lines of the form 'addr->u.XXX'
(expanding it to the longer 'addr->u.XXX.data').  For better
legibility in that patch, and less need for line wrapping, it's better
to use a temporary variable to reduce the effect of a layout change to
just the variable initializations, rather than every reference within
a SocketAddress.  Also, take advantage of some C99 initialization where
it makes sense (simplifying g_new0() to g_new()).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1457021813-10704-7-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
index 557da20..ad7c00c 100644
--- a/util/qemu-sockets.c
+++ b/util/qemu-sockets.c
@@ -1003,6 +1003,7 @@ socket_sockaddr_to_address_inet(struct sockaddr_storage *sa,
     char host[NI_MAXHOST];
     char serv[NI_MAXSERV];
     SocketAddress *addr;
+    InetSocketAddress *inet;
     int ret;
 
     ret = getnameinfo((struct sockaddr *)sa, salen,
@@ -1017,13 +1018,13 @@ socket_sockaddr_to_address_inet(struct sockaddr_storage *sa,
 
     addr = g_new0(SocketAddress, 1);
     addr->type = SOCKET_ADDRESS_KIND_INET;
-    addr->u.inet = g_new0(InetSocketAddress, 1);
-    addr->u.inet->host = g_strdup(host);
-    addr->u.inet->port = g_strdup(serv);
+    inet = addr->u.inet = g_new0(InetSocketAddress, 1);
+    inet->host = g_strdup(host);
+    inet->port = g_strdup(serv);
     if (sa->ss_family == AF_INET) {
-        addr->u.inet->has_ipv4 = addr->u.inet->ipv4 = true;
+        inet->has_ipv4 = inet->ipv4 = true;
     } else {
-        addr->u.inet->has_ipv6 = addr->u.inet->ipv6 = true;
+        inet->has_ipv6 = inet->ipv6 = true;
     }
 
     return addr;