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17df8dbeba
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file or at
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https://developers.google.com/open-source/licenses/bsd
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*/
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#ifndef REFTABLE_GENERIC_H
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#define REFTABLE_GENERIC_H
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#include "reftable-iterator.h"
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struct reftable_table_vtable;
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/*
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* Provides a unified API for reading tables, either merged tables, or single
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* readers. */
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struct reftable_table {
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struct reftable_table_vtable *ops;
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void *table_arg;
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};
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int reftable_table_seek_log(struct reftable_table *tab,
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struct reftable_iterator *it, const char *name);
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int reftable_table_seek_ref(struct reftable_table *tab,
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struct reftable_iterator *it, const char *name);
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/* returns the hash ID from a generic reftable_table */
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uint32_t reftable_table_hash_id(struct reftable_table *tab);
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/* returns the max update_index covered by this table. */
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uint64_t reftable_table_max_update_index(struct reftable_table *tab);
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/* returns the min update_index covered by this table. */
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uint64_t reftable_table_min_update_index(struct reftable_table *tab);
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/* convenience function to read a single ref. Returns < 0 for error, 0
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for success, and 1 if ref not found. */
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int reftable_table_read_ref(struct reftable_table *tab, const char *name,
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struct reftable_ref_record *ref);
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/* dump table contents onto stdout for debugging */
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int reftable_table_print(struct reftable_table *tab);
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#endif
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