+int config_parse_bus_name(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ _cleanup_free_ char *k = NULL;
+ Unit *u = userdata;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(u);
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+ return 0;
+ }
+
+ if (!service_name_is_valid(k)) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Invalid bus name %s, ignoring.", k);
+ return 0;
+ }
+
+ return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
+}
+