1 /*
2  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 struct got_object_idset;
18 
19 enum got_object_idset_iteration_order {
20 	GOT_OBJECT_IDSET_ITERATE_BY_OBJECT_ID,
21 	GOT_OBJECT_IDSET_ITERATE_RECENTLY_USED,
22 };
23 
24 struct got_object_idset *got_object_idset_alloc(
25     enum got_object_idset_iteration_order);
26 void got_object_idset_free(struct got_object_idset *);
27 
28 const struct got_error *got_object_idset_add(void **,
29     struct got_object_idset *, struct got_object_id *, void *);
30 void *got_object_idset_get(struct got_object_idset *, struct got_object_id *);
31 const struct got_error *got_object_idset_remove(void **,
32     struct got_object_idset *, struct got_object_id *);
33 const struct got_error *got_object_idset_remove_random(void **,
34     struct got_object_idset *);
35 int got_object_idset_contains(struct got_object_idset *,
36     struct got_object_id *);
37 void got_object_idset_for_each(struct got_object_idset *,
38     void (*cb)(struct got_object_id *, void *, void *), void *);
39 int got_object_idset_num_elements(struct got_object_idset *);