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6c2705cda3
Skiplist implementation intended for use in the IDL compound indexes feature. Signed-off-by: Esteban Rodriguez Betancourt <estebarb@hpe.com> Co-authored-by: Lance Richardson <lrichard@redhat.com> Signed-off-by: Lance Richardson <lrichard@redhat.com> Signed-off-by: Ben Pfaff <blp@ovn.org>
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/* Copyright (C) 2016 Hewlett Packard Enterprise Development LP
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* All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef LIB_SKIPLIST_H_
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#define LIB_SKIPLIST_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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typedef int (skiplist_comparator)(const void *a, const void *b,
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const void *conf);
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struct skiplist_node;
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struct skiplist;
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#define SKIPLIST_FOR_EACH (SKIPLIST_NODE, SKIPLIST) \
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for (SKIPLIST_NODE = skiplist_first(SKIPLIST); \
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SKIPLIST_NODE; \
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SKIPLIST_NODE = skiplist_next(SKIPLIST_NODE))
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struct skiplist *skiplist_create(skiplist_comparator *object_comparator,
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void *configuration);
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void skiplist_insert(struct skiplist *sl, const void *object);
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void *skiplist_delete(struct skiplist *sl, const void *object);
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struct skiplist_node *skiplist_find(struct skiplist *sl, const void *value);
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void *skiplist_get_data(struct skiplist_node *node);
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uint32_t skiplist_get_size(struct skiplist *sl);
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struct skiplist_node *skiplist_forward_to(struct skiplist *sl,
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const void *value);
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struct skiplist_node *skiplist_first(struct skiplist *sl);
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struct skiplist_node *skiplist_next(struct skiplist_node *node);
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void skiplist_destroy(struct skiplist *sl, void (*func)(void *));
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#endif /* LIB_SKIPLIST_H_ */
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