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76fcf151 JG |
1 | /* |
2 | * Copyright (C) 2018 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #include <lttng/event-internal.h> | |
19 | #include <common/error.h> | |
20 | ||
21 | LTTNG_HIDDEN | |
22 | struct lttng_event *lttng_event_copy(const struct lttng_event *event) | |
23 | { | |
24 | struct lttng_event *new_event; | |
25 | struct lttng_event_extended *new_event_extended; | |
26 | ||
27 | new_event = zmalloc(sizeof(*event)); | |
28 | if (!new_event) { | |
29 | PERROR("Error allocating event structure"); | |
30 | goto end; | |
31 | } | |
32 | ||
33 | /* Copy the content of the old event. */ | |
34 | memcpy(new_event, event, sizeof(*event)); | |
35 | ||
36 | /* | |
37 | * We need to create a new extended since the previous pointer is now | |
38 | * invalid. | |
39 | */ | |
40 | new_event_extended = zmalloc(sizeof(*new_event_extended)); | |
41 | if (!new_event_extended) { | |
42 | PERROR("Error allocating event extended structure"); | |
43 | goto error; | |
44 | } | |
45 | ||
46 | new_event->extended.ptr = new_event_extended; | |
47 | end: | |
48 | return new_event; | |
49 | error: | |
50 | free(new_event); | |
37750a61 | 51 | new_event = NULL; |
76fcf151 JG |
52 | goto end; |
53 | } |