projects / babeltrace.git / blame
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|---|---|---|
| a4dfa07b MD |
1 | #ifndef _BABELTRACE_UUID_H |
| 2 | #define _BABELTRACE_UUID_H | |
| 3 | ||
| 4 | /* | |
| eb31c5e6 MD |
5 | * babeltrace/uuid.h |
| 6 | * | |
| a4dfa07b MD |
7 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 8 | * | |
| eb31c5e6 MD |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 10 | * of this software and associated documentation files (the "Software"), to deal | |
| 11 | * in the Software without restriction, including without limitation the rights | |
| 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 13 | * copies of the Software, and to permit persons to whom the Software is | |
| 14 | * furnished to do so, subject to the following conditions: | |
| a4dfa07b | 15 | * |
| eb31c5e6 MD |
16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. | |
| c462e188 MD |
18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 25 | * SOFTWARE. | |
| a4dfa07b MD |
26 | */ |
| 27 | ||
| 28 | #include <config.h> | |
| 29 | ||
| 30 | /* Includes final \0. */ | |
| 31 | #define BABELTRACE_UUID_STR_LEN 37 | |
| 32 | #define BABELTRACE_UUID_LEN 16 | |
| 33 | ||
| 34 | #ifdef BABELTRACE_HAVE_LIBUUID | |
| 35 | #include <uuid/uuid.h> | |
| 36 | ||
| 37 | static inline | |
| 38 | int babeltrace_uuid_generate(unsigned char *uuid_out) | |
| 39 | { | |
| 40 | uuid_generate(uuid_out); | |
| 41 | return 0; | |
| 42 | } | |
| 43 | ||
| 44 | static inline | |
| 57a9f43a | 45 | int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
| a4dfa07b | 46 | { |
| 57a9f43a MD |
47 | uuid_unparse(uuid_in, str_out); |
| 48 | return 0; | |
| a4dfa07b MD |
49 | } |
| 50 | ||
| 51 | static inline | |
| 52 | int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out) | |
| 53 | { | |
| 54 | return uuid_parse(str_in, uuid_out); | |
| 55 | } | |
| 56 | ||
| 57 | static inline | |
| 58 | int babeltrace_uuid_compare(const unsigned char *uuid_a, | |
| 59 | const unsigned char *uuid_b) | |
| 60 | { | |
| 61 | return uuid_compare(uuid_a, uuid_b); | |
| 62 | } | |
| 63 | ||
| 64 | #elif defined(BABELTRACE_HAVE_LIBC_UUID) | |
| 65 | #include <uuid.h> | |
| 66 | #include <stdint.h> | |
| 57a9f43a MD |
67 | #include <string.h> |
| 68 | #include <stdlib.h> | |
| a4dfa07b MD |
69 | |
| 70 | static inline | |
| 71 | int babeltrace_uuid_generate(unsigned char *uuid_out) | |
| 72 | { | |
| 73 | uint32_t status; | |
| 74 | ||
| 75 | uuid_create((uuid_t *) uuid_out, &status); | |
| 76 | if (status == uuid_s_ok) | |
| 77 | return 0; | |
| 78 | else | |
| 79 | return -1; | |
| 80 | } | |
| 81 | ||
| 82 | static inline | |
| 57a9f43a | 83 | int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
| a4dfa07b MD |
84 | { |
| 85 | uint32_t status; | |
| 57a9f43a MD |
86 | char *alloc_str; |
| 87 | int ret; | |
| 88 | ||
| 89 | uuid_to_string((uuid_t *) uuid_in, &alloc_str, &status); | |
| 90 | if (status == uuid_s_ok) { | |
| 91 | strcpy(str_out, alloc_str); | |
| 92 | ret = 0; | |
| 93 | } else { | |
| 94 | ret = -1; | |
| 95 | } | |
| 96 | free(alloc_str); | |
| 97 | return ret; | |
| a4dfa07b MD |
98 | } |
| 99 | ||
| 100 | static inline | |
| 101 | int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out) | |
| 102 | { | |
| 103 | uint32_t status; | |
| 104 | ||
| 105 | uuid_from_string(str_in, (uuid_t *) uuid_out, &status); | |
| 106 | if (status == uuid_s_ok) | |
| 107 | return 0; | |
| 108 | else | |
| 109 | return -1; | |
| 110 | } | |
| 111 | ||
| 112 | static inline | |
| 113 | int babeltrace_uuid_compare(const unsigned char *uuid_a, | |
| 114 | const unsigned char *uuid_b) | |
| 115 | { | |
| 116 | uint32_t status; | |
| 117 | ||
| 118 | uuid_compare((uuid_t *) uuid_a, (uuid_t *) uuid_b, &status); | |
| 119 | if (status == uuid_s_ok) | |
| 120 | return 0; | |
| 121 | else | |
| 122 | return -1; | |
| 123 | } | |
| 124 | ||
| 125 | #else | |
| 126 | #error "Babeltrace needs to have a UUID generator configured." | |
| 127 | #endif | |
| 128 | ||
| 129 | #endif /* _BABELTRACE_UUID_H */ |