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40 lines
1 KiB
C
40 lines
1 KiB
C
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/*
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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_ITERATOR_H
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#define REFTABLE_ITERATOR_H
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#include "reftable-record.h"
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struct reftable_iterator_vtable;
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/* iterator is the generic interface for walking over data stored in a
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* reftable.
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*/
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struct reftable_iterator {
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struct reftable_iterator_vtable *ops;
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void *iter_arg;
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};
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/* reads the next reftable_ref_record. Returns < 0 for error, 0 for OK and > 0:
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* end of iteration.
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*/
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int reftable_iterator_next_ref(struct reftable_iterator *it,
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struct reftable_ref_record *ref);
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/* reads the next reftable_log_record. Returns < 0 for error, 0 for OK and > 0:
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* end of iteration.
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*/
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int reftable_iterator_next_log(struct reftable_iterator *it,
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struct reftable_log_record *log);
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/* releases resources associated with an iterator. */
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void reftable_iterator_destroy(struct reftable_iterator *it);
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#endif
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