From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 30 May 2018 14:34:06 +0000 (+0200)
Subject: bus-slot: for bus slot objects with no explicit description use the match string... 
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=d853931416364fe06a88b16f4222a42bb47ccca7;p=elogind.git

bus-slot: for bus slot objects with no explicit description use the match string as description

Let's make debugging a but easier with implicit descriptions for some
match objects.
---

diff --git a/src/libelogind/sd-bus/bus-slot.c b/src/libelogind/sd-bus/bus-slot.c
index 3e592e3a2..34cfdd29e 100644
--- a/src/libelogind/sd-bus/bus-slot.c
+++ b/src/libelogind/sd-bus/bus-slot.c
@@ -300,8 +300,13 @@ _public_ int sd_bus_slot_set_description(sd_bus_slot *slot, const char *descript
 _public_ int sd_bus_slot_get_description(sd_bus_slot *slot, const char **description) {
         assert_return(slot, -EINVAL);
         assert_return(description, -EINVAL);
-        assert_return(slot->description, -ENXIO);
 
-        *description = slot->description;
+        if (slot->description)
+                *description = slot->description;
+        else if (slot->type == BUS_MATCH_CALLBACK)
+                *description = slot->match_callback.match_string;
+        else
+                return -ENXIO;
+
         return 0;
 }