Commit | Line | Data |
---|---|---|
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. | |
a4dfa07b MD |
18 | */ |
19 | ||
20 | #include <config.h> | |
21 | ||
22 | /* Includes final \0. */ | |
23 | #define BABELTRACE_UUID_STR_LEN 37 | |
24 | #define BABELTRACE_UUID_LEN 16 | |
25 | ||
26 | #ifdef BABELTRACE_HAVE_LIBUUID | |
27 | #include <uuid/uuid.h> | |
28 | ||
29 | static inline | |
30 | int babeltrace_uuid_generate(unsigned char *uuid_out) | |
31 | { | |
32 | uuid_generate(uuid_out); | |
33 | return 0; | |
34 | } | |
35 | ||
36 | static inline | |
57a9f43a | 37 | int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
a4dfa07b | 38 | { |
57a9f43a MD |
39 | uuid_unparse(uuid_in, str_out); |
40 | return 0; | |
a4dfa07b MD |
41 | } |
42 | ||
43 | static inline | |
44 | int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out) | |
45 | { | |
46 | return uuid_parse(str_in, uuid_out); | |
47 | } | |
48 | ||
49 | static inline | |
50 | int babeltrace_uuid_compare(const unsigned char *uuid_a, | |
51 | const unsigned char *uuid_b) | |
52 | { | |
53 | return uuid_compare(uuid_a, uuid_b); | |
54 | } | |
55 | ||
56 | #elif defined(BABELTRACE_HAVE_LIBC_UUID) | |
57 | #include <uuid.h> | |
58 | #include <stdint.h> | |
57a9f43a MD |
59 | #include <string.h> |
60 | #include <stdlib.h> | |
a4dfa07b MD |
61 | |
62 | static inline | |
63 | int babeltrace_uuid_generate(unsigned char *uuid_out) | |
64 | { | |
65 | uint32_t status; | |
66 | ||
67 | uuid_create((uuid_t *) uuid_out, &status); | |
68 | if (status == uuid_s_ok) | |
69 | return 0; | |
70 | else | |
71 | return -1; | |
72 | } | |
73 | ||
74 | static inline | |
57a9f43a | 75 | int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
a4dfa07b MD |
76 | { |
77 | uint32_t status; | |
57a9f43a MD |
78 | char *alloc_str; |
79 | int ret; | |
80 | ||
81 | uuid_to_string((uuid_t *) uuid_in, &alloc_str, &status); | |
82 | if (status == uuid_s_ok) { | |
83 | strcpy(str_out, alloc_str); | |
84 | ret = 0; | |
85 | } else { | |
86 | ret = -1; | |
87 | } | |
88 | free(alloc_str); | |
89 | return ret; | |
a4dfa07b MD |
90 | } |
91 | ||
92 | static inline | |
93 | int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out) | |
94 | { | |
95 | uint32_t status; | |
96 | ||
97 | uuid_from_string(str_in, (uuid_t *) uuid_out, &status); | |
98 | if (status == uuid_s_ok) | |
99 | return 0; | |
100 | else | |
101 | return -1; | |
102 | } | |
103 | ||
104 | static inline | |
105 | int babeltrace_uuid_compare(const unsigned char *uuid_a, | |
106 | const unsigned char *uuid_b) | |
107 | { | |
108 | uint32_t status; | |
109 | ||
110 | uuid_compare((uuid_t *) uuid_a, (uuid_t *) uuid_b, &status); | |
111 | if (status == uuid_s_ok) | |
112 | return 0; | |
113 | else | |
114 | return -1; | |
115 | } | |
116 | ||
117 | #else | |
118 | #error "Babeltrace needs to have a UUID generator configured." | |
119 | #endif | |
120 | ||
121 | #endif /* _BABELTRACE_UUID_H */ |