};
void ovsdb_atom_init_default(union ovsdb_atom *, enum ovsdb_atomic_type);
+const union ovsdb_atom *ovsdb_atom_default(enum ovsdb_atomic_type);
bool ovsdb_atom_is_default(const union ovsdb_atom *, enum ovsdb_atomic_type);
void ovsdb_atom_clone(union ovsdb_atom *, const union ovsdb_atom *,
enum ovsdb_atomic_type);
void ovsdb_atom_swap(union ovsdb_atom *, union ovsdb_atom *);
+/* Returns false if ovsdb_atom_destroy() is a no-op when it is applied to an
+ * initialized atom of the given 'type', true if ovsdb_atom_destroy() actually
+ * does something.
+ *
+ * This can be used to avoid calling ovsdb_atom_destroy() for each element in
+ * an array of homogeneous atoms. (It's not worthwhile for a single atom.) */
static inline bool
ovsdb_atom_needs_destruction(enum ovsdb_atomic_type type)
{
return type == OVSDB_TYPE_STRING;
}
+/* Frees the contents of 'atom', which must have the specified 'type'.
+ *
+ * This does not actually call free(atom). If necessary, the caller must be
+ * responsible for that. */
static inline void
ovsdb_atom_destroy(union ovsdb_atom *atom, enum ovsdb_atomic_type type)
{
const union ovsdb_atom *,
enum ovsdb_atomic_type);
+/* Returns true if 'a' and 'b', which are both of type 'type', has the same
+ * contents, false if their contents differ. */
static inline bool ovsdb_atom_equals(const union ovsdb_atom *a,
const union ovsdb_atom *b,
enum ovsdb_atomic_type type)
enum ovsdb_atomic_type);
char *ovsdb_atom_from_string(union ovsdb_atom *,
- const struct ovsdb_base_type *, const char *)
+ const struct ovsdb_base_type *, const char *,
+ struct ovsdb_symbol_table *)
WARN_UNUSED_RESULT;
void ovsdb_atom_to_string(const union ovsdb_atom *, enum ovsdb_atomic_type,
struct ds *);
void ovsdb_datum_init_default(struct ovsdb_datum *, const struct ovsdb_type *);
bool ovsdb_datum_is_default(const struct ovsdb_datum *,
const struct ovsdb_type *);
+const struct ovsdb_datum *ovsdb_datum_default(const struct ovsdb_type *);
void ovsdb_datum_clone(struct ovsdb_datum *, const struct ovsdb_datum *,
const struct ovsdb_type *);
void ovsdb_datum_destroy(struct ovsdb_datum *, const struct ovsdb_type *);
void ovsdb_datum_sort_assert(struct ovsdb_datum *,
enum ovsdb_atomic_type key_type);
+size_t ovsdb_datum_sort_unique(struct ovsdb_datum *,
+ enum ovsdb_atomic_type key_type,
+ enum ovsdb_atomic_type value_type);
+
struct ovsdb_error *ovsdb_datum_check_constraints(
const struct ovsdb_datum *, const struct ovsdb_type *)
WARN_UNUSED_RESULT;
const struct ovsdb_type *);
char *ovsdb_datum_from_string(struct ovsdb_datum *,
- const struct ovsdb_type *, const char *)
+ const struct ovsdb_type *, const char *,
+ struct ovsdb_symbol_table *)
WARN_UNUSED_RESULT;
void ovsdb_datum_to_string(const struct ovsdb_datum *,
const struct ovsdb_type *, struct ds *);
const struct uuid *, bool used);
struct ovsdb_symbol *ovsdb_symbol_table_insert(struct ovsdb_symbol_table *,
const char *name);
+const char *ovsdb_symbol_table_find_unused(const struct ovsdb_symbol_table *);
\f
/* Tokenization
*