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-rw-r--r--reftable/generic.h32
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diff --git a/reftable/generic.h b/reftable/generic.h
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+++ b/reftable/generic.h
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+/*
+Copyright 2020 Google LLC
+
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file or at
+https://developers.google.com/open-source/licenses/bsd
+*/
+
+#ifndef GENERIC_H
+#define GENERIC_H
+
+#include "record.h"
+#include "reftable-generic.h"
+
+/* generic interface to reftables */
+struct reftable_table_vtable {
+ int (*seek_record)(void *tab, struct reftable_iterator *it,
+ struct reftable_record *);
+ uint32_t (*hash_id)(void *tab);
+ uint64_t (*min_update_index)(void *tab);
+ uint64_t (*max_update_index)(void *tab);
+};
+
+struct reftable_iterator_vtable {
+ int (*next)(void *iter_arg, struct reftable_record *rec);
+ void (*close)(void *iter_arg);
+};
+
+void iterator_set_empty(struct reftable_iterator *it);
+int iterator_next(struct reftable_iterator *it, struct reftable_record *rec);
+
+#endif