projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| ffe60014 DG |
1 | /* |
| 2 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 3 | * | |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 5 | * of this software and associated documentation files (the "Software"), to | |
| 6 | * deal in the Software without restriction, including without limitation the | |
| 7 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
| 8 | * sell copies of the Software, and to permit persons to whom the Software is | |
| 9 | * furnished to do so, subject to the following conditions: | |
| 10 | * | |
| 11 | * The above copyright notice and this permission notice shall be included in | |
| 12 | * all copies or substantial portions of the Software. | |
| 13 | * | |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| 19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| 20 | * IN THE SOFTWARE. | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef LTTNG_UUID_H | |
| 24 | #define LTTNG_UUID_H | |
| 25 | ||
| ffe60014 DG |
26 | /* |
| 27 | * Includes final \0. | |
| 28 | */ | |
| 29 | #define UUID_STR_LEN 37 | |
| d0b96690 | 30 | #define UUID_LEN 16 |
| ffe60014 DG |
31 | |
| 32 | #ifdef LTTNG_HAVE_LIBUUID | |
| 33 | #include <uuid/uuid.h> | |
| 34 | ||
| d0b96690 DG |
35 | /* |
| 36 | * uuid_out is of len UUID_LEN. | |
| 37 | */ | |
| ffe60014 DG |
38 | static inline |
| 39 | int lttng_uuid_generate(unsigned char *uuid_out) | |
| 40 | { | |
| 41 | uuid_generate(uuid_out); | |
| 42 | return 0; | |
| 43 | } | |
| 44 | ||
| 45 | #elif defined(LTTNG_HAVE_LIBC_UUID) | |
| 46 | #include <uuid.h> | |
| 47 | #include <stdint.h> | |
| 48 | ||
| d0b96690 DG |
49 | /* |
| 50 | * uuid_out is of len UUID_LEN. | |
| 51 | */ | |
| ffe60014 DG |
52 | static inline |
| 53 | int lttng_uuid_generate(unsigned char *uuid_out) | |
| 54 | { | |
| 55 | uint32_t status; | |
| 56 | ||
| 57 | uuid_create((uuid_t *) uuid_out, &status); | |
| 58 | if (status == uuid_s_ok) | |
| 59 | return 0; | |
| 60 | else | |
| 61 | return -1; | |
| 62 | } | |
| 63 | ||
| 64 | #else | |
| 65 | #error "LTTng-Tools needs to have a UUID generator configured." | |
| 66 | #endif | |
| 67 | ||
| 68 | #endif /* LTTNG_UUID_H */ |