sockets: move qapi_copy_SocketAddress into qemu-sockets.c

The qapi_copy_SocketAddress method is going to be useful
in more places than just qemu-char.c, so move it into
the qemu-sockets.c file to allow its reuse.
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

include/qemu/sockets.h

@@ -118,4 +118,8 @@ SocketAddress *socket_local_address(int fd, Error **errp);
  */
 SocketAddress *socket_remote_address(int fd, Error **errp);
 
+
+void qapi_copy_SocketAddress(SocketAddress **p_dest,
+                             SocketAddress *src);
+
 #endif /* QEMU_SOCKET_H */

qemu-char.c

@@ -92,31 +92,6 @@
 
 /***********************************************************/
 /* Socket address helpers */
-static void qapi_copy_SocketAddress(SocketAddress **p_dest,
-                                    SocketAddress *src)
-{
-    QmpOutputVisitor *qov;
-    QmpInputVisitor *qiv;
-    Visitor *ov, *iv;
-    QObject *obj;
-
-    *p_dest = NULL;
-
-    qov = qmp_output_visitor_new();
-    ov = qmp_output_get_visitor(qov);
-    visit_type_SocketAddress(ov, &src, NULL, &error_abort);
-    obj = qmp_output_get_qobject(qov);
-    qmp_output_visitor_cleanup(qov);
-    if (!obj) {
-        return;
-    }
-
-    qiv = qmp_input_visitor_new(obj);
-    iv = qmp_input_get_visitor(qiv);
-    visit_type_SocketAddress(iv, p_dest, NULL, &error_abort);
-    qmp_input_visitor_cleanup(qiv);
-    qobject_decref(obj);
-}
 
 static int SocketAddress_to_str(char *dest, int max_len,
                                 const char *prefix, SocketAddress *addr,

util/qemu-sockets.c

@@ -25,6 +25,9 @@
 #include "monitor/monitor.h"
 #include "qemu/sockets.h"
 #include "qemu/main-loop.h"
+#include "qapi/qmp-input-visitor.h"
+#include "qapi/qmp-output-visitor.h"
+#include "qapi-visit.h"
 
 #ifndef AI_ADDRCONFIG
 # define AI_ADDRCONFIG 0
@@ -1128,3 +1131,30 @@ SocketAddress *socket_remote_address(int fd, Error **errp)
 
     return socket_sockaddr_to_address(&ss, sslen, errp);
 }
+
+
+void qapi_copy_SocketAddress(SocketAddress **p_dest,
+                             SocketAddress *src)
+{
+    QmpOutputVisitor *qov;
+    QmpInputVisitor *qiv;
+    Visitor *ov, *iv;
+    QObject *obj;
+
+    *p_dest = NULL;
+
+    qov = qmp_output_visitor_new();
+    ov = qmp_output_get_visitor(qov);
+    visit_type_SocketAddress(ov, &src, NULL, &error_abort);
+    obj = qmp_output_get_qobject(qov);
+    qmp_output_visitor_cleanup(qov);
+    if (!obj) {
+        return;
+    }
+
+    qiv = qmp_input_visitor_new(obj);
+    iv = qmp_input_get_visitor(qiv);
+    visit_type_SocketAddress(iv, p_dest, NULL, &error_abort);
+    qmp_input_visitor_cleanup(qiv);
+    qobject_decref(obj);
+}