projects / lttng-ust.git / blame
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| 19d8b1b3 MD |
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 | * | |
| d2428e87 MD |
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. | |
| 19d8b1b3 MD |
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 */ |