fix: isystem: delete global -isystem compile option (v5.16)
[lttng-modules.git] / include / lttng / msgpack.h
1 #ifndef _LTTNG_KERNEL_MSGPACK_H
2 #define _LTTNG_KERNEL_MSGPACK_H
3
4 /*
5 * msgpack.h
6 *
7 * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; only
12 * version 2.1 of the License.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #ifdef __KERNEL__
25 #include <linux/types.h>
26 #else /* __KERNEL__ */
27 #include <stdint.h>
28 #endif /* __KERNEL__ */
29
30 struct lttng_msgpack_writer {
31 uint8_t *buffer;
32 uint8_t *write_pos;
33 const uint8_t *end_write_pos;
34 uint8_t array_nesting;
35 uint8_t map_nesting;
36 };
37
38 void lttng_msgpack_writer_init(
39 struct lttng_msgpack_writer *writer,
40 uint8_t *buffer, size_t size);
41
42 void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer);
43
44 int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer);
45 int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer);
46 int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer);
47 int lttng_msgpack_write_unsigned_integer(
48 struct lttng_msgpack_writer *writer, uint64_t value);
49 int lttng_msgpack_write_signed_integer(
50 struct lttng_msgpack_writer *writer, int64_t value);
51 int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer,
52 const char *value);
53 int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count);
54 int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer);
55 int lttng_msgpack_begin_array(
56 struct lttng_msgpack_writer *writer, size_t count);
57 int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer);
58
59 #endif /* _LTTNG_KERNEL_MSGPACK_H */
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