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-rw-r--r--src/libsystemd/libsystemd.sym.m41
-rw-r--r--src/libsystemd/sd-bus/bus-message.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/src/libsystemd/libsystemd.sym.m4 b/src/libsystemd/libsystemd.sym.m4
index 0c02db7530..7632942564 100644
--- a/src/libsystemd/libsystemd.sym.m4
+++ b/src/libsystemd/libsystemd.sym.m4
@@ -254,6 +254,7 @@ global:
sd_bus_message_get_realtime_usec;
sd_bus_message_get_seqnum;
sd_bus_message_get_creds;
+ sd_bus_message_is_empty;
sd_bus_message_is_signal;
sd_bus_message_is_method_call;
sd_bus_message_is_method_error;
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 1a8c445f0b..9d6647b2c4 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -5380,6 +5380,12 @@ _public_ const char* sd_bus_message_get_signature(sd_bus_message *m, int complet
return strempty(c->signature);
}
+_public_ int sd_bus_message_is_empty(sd_bus_message *m) {
+ assert_return(m, -EINVAL);
+
+ return isempty(m->root_container.signature);
+}
+
_public_ int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all) {
bool done_something = false;
int r;