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1 | #ifndef _LTTNG_UST_UUID_H |
2 | #define _LTTNG_UST_UUID_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
6 | * | |
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7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
19d8b1b3 | 13 | * |
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14 | * The above copyright notice and this permission notice shall be included in |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | * SOFTWARE. | |
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24 | */ |
25 | ||
26 | #include <config.h> | |
27 | #include <lttng/ust-events.h> /* For LTTNG_UST_UUID_LEN */ | |
28 | /* | |
29 | * Includes final \0. | |
30 | */ | |
31 | #define LTTNG_UST_UUID_STR_LEN 37 | |
32 | ||
21bc53bb | 33 | #ifdef LTTNG_UST_HAVE_LIBUUID |
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34 | #include <uuid/uuid.h> |
35 | ||
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36 | static inline |
37 | int lttng_ust_uuid_generate(unsigned char *uuid_out) | |
38 | { | |
39 | uuid_generate(uuid_out); | |
40 | return 0; | |
41 | } | |
42 | ||
43 | #elif defined(LTTNG_UST_HAVE_LIBC_UUID) | |
44 | #include <uuid.h> | |
45 | #include <stdint.h> | |
46 | ||
47 | static inline | |
48 | int lttng_ust_uuid_generate(unsigned char *uuid_out) | |
49 | { | |
50 | uint32_t status; | |
51 | ||
8536db0b | 52 | uuid_create((uuid_t *) uuid_out, &status); |
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53 | if (status == uuid_s_ok) |
54 | return 0; | |
55 | else | |
56 | return -1; | |
57 | } | |
58 | ||
59 | #else | |
60 | #error "LTTng-UST needs to have a UUID generator configured." | |
61 | #endif | |
62 | ||
63 | #endif /* _LTTNG_UST_UUID_H */ |