commit f15b06cefecfe1bdcf531f5edd13fdbb8a7478d1
author Brad Bishop <bradleyb@fuzziesquirrel.com> Mon Aug 02 22:27:39 2021 -0400
committer Brad Bishop <bradleyb@fuzziesquirrel.com> Sat Aug 07 07:22:27 2021 -0400
tree 421edba88acaa18e56c833e424b423a0a455d2ac
parent 2ac3233763fc81671887b2c2823267f604424a53

libmapper: allow use of session bus for non-root

sd_bus_default will automatically pick the system bus when run as root
as intended.  By using sd_bus_default instead of sd_bus_default_system
we can connect to a mapper daemon running on the session bus.

https://www.freedesktop.org/software/systemd/man/sd_bus_open_user.html

Change-Id: I7accd6119bfd84351f9a99af7cdd0dc6bf29a83c
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>

libmapper/app.c

diff --git a/libmapper/app.c b/libmapper/app.c
index 45173bb..84be79d 100644
--- a/libmapper/app.c
+++ b/libmapper/app.c
@@ -53,7 +53,7 @@
     {
         attempts++;
 
-        r = sd_bus_default_system(&conn);
+        r = sd_bus_default(&conn);
         if (r < 0)
         {
             fprintf(stderr, "Error connecting to system bus: %s\n",
@@ -150,7 +150,7 @@
         exit(EXIT_FAILURE);
     }
 
-    r = sd_bus_default_system(&conn);
+    r = sd_bus_default(&conn);
     if (r < 0)
     {
         fprintf(stderr, "Error connecting to system bus: %s\n", strerror(-r));
@@ -215,7 +215,7 @@
         exit(EXIT_FAILURE);
     }
 
-    r = sd_bus_default_system(&conn);
+    r = sd_bus_default(&conn);
     if (r < 0)
     {
         fprintf(stderr, "Error connecting to system bus: %s\n", strerror(-r));