X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd%2Fsd-bus%2Fbus-message.c;h=9d6647b2c4cf58f777d820db465df92ad4716f4f;hb=8022212b3b8e553fd83b87575f3e730e56852d5d;hp=1a8c445f0bc519940d1c4155330ed9d7b10a0004;hpb=34b950a8d8b83b3c101beba479a9ddae8c2ebb93;p=elogind.git

diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 1a8c445f0..9d6647b2c 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;