-int config_parse_tristate(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int k;
- int *b = data;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- /* Tristates are like booleans, but can also take the 'default' value, i.e. "-1" */
-
- k = parse_boolean(rvalue);
- if (k < 0) {
- log_syntax(unit, LOG_ERR, filename, line, -k,
- "Failed to parse boolean value, ignoring: %s", rvalue);
- return 0;
- }
-
- *b = !!k;
- return 0;
-}
-