Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/libsystemd/sd-bus/bus-signature.h b/src/libsystemd/sd-bus/bus-signature.h
new file mode 100644
index 0000000..314fcc2
--- /dev/null
+++ b/src/libsystemd/sd-bus/bus-signature.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+bool signature_is_single(const char *s, bool allow_dict_entry);
+bool signature_is_pair(const char *s);
+bool signature_is_valid(const char *s, bool allow_dict_entry);
+
+int signature_element_length(const char *s, size_t *l);