tree-wide: drop 'This file is part of systemd' blurb

[elogind.git] / src / libelogind / sd-bus / bus-gvariant.c

diff --git a/src/libelogind/sd-bus/bus-gvariant.c b/src/libelogind/sd-bus/bus-gvariant.c
index 2d18a4e6c19706b8ad296e97f0958be33facce0d..4c72a3906e6804950d8d2c1e6b1140b78496cba6 100644 (file)
--- a/src/libelogind/sd-bus/bus-gvariant.c
+++ b/src/libelogind/sd-bus/bus-gvariant.c
@@ -1,27 +1,16 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
-  This file is part of systemd.
-
   Copyright 2013 Lennart Poettering
+***/
 
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
+#include <errno.h>
+#include <string.h>
 
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
+#include "sd-bus.h"
 
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "bus-type.h"
 #include "bus-gvariant.h"
 #include "bus-signature.h"
+#include "bus-type.h"
 
 int bus_gvariant_get_size(const char *signature) {
         const char *p;
@@ -75,14 +64,19 @@ int bus_gvariant_get_size(const char *signature) {
 
                 case SD_BUS_TYPE_STRUCT_BEGIN:
                 case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
-                        char t[n-1];
-
-                        memcpy(t, p + 1, n - 2);
-                        t[n - 2] = 0;
-
-                        r = bus_gvariant_get_size(t);
-                        if (r < 0)
-                                return r;
+                        if (n == 2) {
+                                /* unary type () has fixed size of 1 */
+                                r = 1;
+                        } else {
+                                char t[n-1];
+
+                                memcpy(t, p + 1, n - 2);
+                                t[n - 2] = 0;
+
+                                r = bus_gvariant_get_size(t);
+                                if (r < 0)
+                                        return r;
+                        }
 
                         sum += r;
                         break;