if (isempty(eq))
r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 0);
else
- r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 1, field + strlen("Listen"), eq);
+ r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 1, field + STRLEN("Listen"), eq);
if (r < 0)
return bus_log_create_error(r);