util/qemu-sockets: Use g_get_tmp_dir() to get the directory for tempo…

…rary files

Replace the existing logic to get the directory for temporary files
with g_get_tmp_dir(), which works for win32 too.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

util/qemu-sockets.c

@@ -919,9 +919,8 @@ static int unix_listen_saddr(UnixSocketAddress *saddr,
     if (saddr->path[0] || abstract) {
         path = saddr->path;
     } else {
-        const char *tmpdir = getenv("TMPDIR");
-        tmpdir = tmpdir ? tmpdir : "/tmp";
-        path = pathbuf = g_strdup_printf("%s/qemu-socket-XXXXXX", tmpdir);
+        path = pathbuf = g_strdup_printf("%s/qemu-socket-XXXXXX",
+                                         g_get_tmp_dir());
     }
 
     pathlen = strlen(path);