+int config_parse_working_directory(
+ 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) {
+
+ ExecContext *c = data;
+ Unit *u = userdata;
+ bool missing_ok;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(c);
+ assert(u);
+
+ if (rvalue[0] == '-') {
+ missing_ok = true;
+ rvalue++;
+ } else
+ missing_ok = false;
+
+ if (streq(rvalue, "~")) {
+ c->working_directory_home = true;
+ c->working_directory = mfree(c->working_directory);
+ } else {
+ _cleanup_free_ char *k = NULL;
+
+ r = unit_full_printf(u, rvalue, &k);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers in working directory path '%s', ignoring: %m", rvalue);
+ return 0;
+ }
+
+ path_kill_slashes(k);
+
+ if (!utf8_is_valid(k)) {
+ log_invalid_utf8(unit, LOG_ERR, filename, line, 0, rvalue);
+ return 0;
+ }
+
+ if (!path_is_absolute(k)) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Working directory path '%s' is not absolute, ignoring.", rvalue);
+ return 0;
+ }
+
+ free(c->working_directory);
+ c->working_directory = k;
+ k = NULL;
+
+ c->working_directory_home = false;
+ }
+
+ c->working_directory_missing_ok = missing_ok;
+ return 0;
+}
+