Remove part of last name to fit in a 80 character line
[lttng-tools.git] / include / lttng / tracker-internal.h
1 /*
2 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_TRACKER_INTERNAL_H
9 #define LTTNG_TRACKER_INTERNAL_H
10
11 #include <common/macros.h>
12 #include <common/dynamic-buffer.h>
13 #include <lttng/constant.h>
14 #include <lttng/tracker.h>
15 #include <stdbool.h>
16
17 struct lttng_tracker_id {
18 enum lttng_tracker_id_type type;
19 int value;
20 char *string;
21 };
22
23 struct lttng_tracker_ids {
24 struct lttng_tracker_id *id_array;
25 unsigned int count;
26 };
27
28 LTTNG_HIDDEN
29 bool lttng_tracker_id_is_equal(const struct lttng_tracker_id *left,
30 const struct lttng_tracker_id *right);
31
32 /*
33 * A copy acts like memcpy. It does not allocate new memory.
34 */
35 LTTNG_HIDDEN
36 int lttng_tracker_id_copy(struct lttng_tracker_id *dest,
37 const struct lttng_tracker_id *src);
38
39 /*
40 * Duplicate an lttng_tracker_id.
41 * The returned object must be freed via lttng_tracker_id_destroy.
42 */
43 LTTNG_HIDDEN
44 struct lttng_tracker_id *lttng_tracker_id_duplicate(
45 const struct lttng_tracker_id *src);
46
47 /*
48 * Allocate a new list of lttng_tracker_id.
49 * The returned object must be freed via lttng_tracker_ids_destroy.
50 */
51 LTTNG_HIDDEN
52 struct lttng_tracker_ids *lttng_tracker_ids_create(unsigned int base_count);
53
54 /*
55 * Return the non-const pointer of an element at index "index" of a
56 * lttng_tracker_ids.
57 *
58 * The ownership of the lttng_tracker_id element is NOT transfered.
59 * The returned object can NOT be freed via lttng_tracker_id_destroy.
60 */
61 LTTNG_HIDDEN
62 struct lttng_tracker_id *lttng_tracker_ids_get_pointer_of_index(
63 const struct lttng_tracker_ids *list, unsigned int index);
64
65 /*
66 * Serialize a ids collection to a lttng_dynamic_buffer.
67 * Return LTTNG_OK on success, negative lttng error code on error.
68 */
69 LTTNG_HIDDEN
70 int lttng_tracker_ids_serialize(const struct lttng_tracker_ids *ids,
71 struct lttng_dynamic_buffer *buffer);
72
73 #endif /* LTTNG_TRACKER_INTERNAL_H */
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