tdb2: new tests, and new fixes.

[ccan] / ccan / tdb2 / test / layout.h

diff --git a/ccan/tdb2/test/layout.h b/ccan/tdb2/test/layout.h
new file mode 100644 (file)
index 0000000..c8991ba
--- /dev/null
+++ b/ccan/tdb2/test/layout.h
@@ -0,0 +1,69 @@
+#ifndef TDB2_TEST_LAYOUT_H
+#define TDB2_TEST_LAYOUT_H
+#include <ccan/tdb2/private.h>
+
+struct tdb_layout *new_tdb_layout(void);
+void tdb_layout_add_free(struct tdb_layout *layout, tdb_len_t len);
+void tdb_layout_add_used(struct tdb_layout *layout,
+                        TDB_DATA key, TDB_DATA data,
+                        tdb_len_t extra);
+void tdb_layout_add_hashtable(struct tdb_layout *layout,
+                             unsigned int hash_bits,
+                             tdb_len_t extra);
+void tdb_layout_add_freetable(struct tdb_layout *layout,
+                             unsigned int num_zones,
+                             unsigned int zone_bits,
+                             unsigned int num_buckets,
+                             tdb_len_t extra);
+struct tdb_context *tdb_layout_get(struct tdb_layout *layout);
+
+enum layout_type {
+       FREE, DATA, HASHTABLE, FREETABLE,
+};
+
+/* Shared by all union members. */
+struct tle_base {
+       enum layout_type type;
+       tdb_off_t off;
+};
+
+struct tle_free {
+       struct tle_base base;
+       tdb_len_t len;
+};
+
+struct tle_used {
+       struct tle_base base;
+       TDB_DATA key;
+       TDB_DATA data;
+       tdb_len_t extra;
+};
+
+struct tle_hashtable {
+       struct tle_base base;
+       unsigned hash_bits;
+       tdb_len_t extra;
+};
+
+struct tle_freetable {
+       struct tle_base base;
+       unsigned int num_zones;
+       unsigned int zone_bits;
+       unsigned int num_buckets;
+       tdb_len_t extra;
+};
+
+union tdb_layout_elem {
+       struct tle_base base;
+       struct tle_free free;
+       struct tle_used used;
+       struct tle_freetable freetable;
+       struct tle_hashtable hashtable;
+};
+
+struct tdb_layout {
+       unsigned int num_elems;
+       union tdb_layout_elem *elem;
+       unsigned int ftable, htable;
+};
+#endif /* TDB2_TEST_LAYOUT_H */