Commit | Line | Data |
---|---|---|
a4dfa07b MD |
1 | #ifndef _BABELTRACE_UUID_H |
2 | #define _BABELTRACE_UUID_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
6 | * | |
7 | * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED | |
8 | * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. | |
9 | * | |
10 | * Permission is hereby granted to use or copy this program | |
11 | * for any purpose, provided the above notices are retained on all copies. | |
12 | * Permission to modify the code and to distribute modified code is granted, | |
13 | * provided the above notices are retained, and a notice that the code was | |
14 | * modified is included with the above copyright notice. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | ||
19 | /* Includes final \0. */ | |
20 | #define BABELTRACE_UUID_STR_LEN 37 | |
21 | #define BABELTRACE_UUID_LEN 16 | |
22 | ||
23 | #ifdef BABELTRACE_HAVE_LIBUUID | |
24 | #include <uuid/uuid.h> | |
25 | ||
26 | static inline | |
27 | int babeltrace_uuid_generate(unsigned char *uuid_out) | |
28 | { | |
29 | uuid_generate(uuid_out); | |
30 | return 0; | |
31 | } | |
32 | ||
33 | static inline | |
57a9f43a | 34 | int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
a4dfa07b | 35 | { |
57a9f43a MD |
36 | uuid_unparse(uuid_in, str_out); |
37 | return 0; | |
a4dfa07b MD |
38 | } |
39 | ||
40 | static inline | |
41 | int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out) | |
42 | { | |
43 | return uuid_parse(str_in, uuid_out); | |
44 | } | |
45 | ||
46 | static inline | |
47 | int babeltrace_uuid_compare(const unsigned char *uuid_a, | |
48 | const unsigned char *uuid_b) | |
49 | { | |
50 | return uuid_compare(uuid_a, uuid_b); | |
51 | } | |
52 | ||
53 | #elif defined(BABELTRACE_HAVE_LIBC_UUID) | |
54 | #include <uuid.h> | |
55 | #include <stdint.h> | |
57a9f43a MD |
56 | #include <string.h> |
57 | #include <stdlib.h> | |
a4dfa07b MD |
58 | |
59 | static inline | |
60 | int babeltrace_uuid_generate(unsigned char *uuid_out) | |
61 | { | |
62 | uint32_t status; | |
63 | ||
64 | uuid_create((uuid_t *) uuid_out, &status); | |
65 | if (status == uuid_s_ok) | |
66 | return 0; | |
67 | else | |
68 | return -1; | |
69 | } | |
70 | ||
71 | static inline | |
57a9f43a | 72 | int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
a4dfa07b MD |
73 | { |
74 | uint32_t status; | |
57a9f43a MD |
75 | char *alloc_str; |
76 | int ret; | |
77 | ||
78 | uuid_to_string((uuid_t *) uuid_in, &alloc_str, &status); | |
79 | if (status == uuid_s_ok) { | |
80 | strcpy(str_out, alloc_str); | |
81 | ret = 0; | |
82 | } else { | |
83 | ret = -1; | |
84 | } | |
85 | free(alloc_str); | |
86 | return ret; | |
a4dfa07b MD |
87 | } |
88 | ||
89 | static inline | |
90 | int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out) | |
91 | { | |
92 | uint32_t status; | |
93 | ||
94 | uuid_from_string(str_in, (uuid_t *) uuid_out, &status); | |
95 | if (status == uuid_s_ok) | |
96 | return 0; | |
97 | else | |
98 | return -1; | |
99 | } | |
100 | ||
101 | static inline | |
102 | int babeltrace_uuid_compare(const unsigned char *uuid_a, | |
103 | const unsigned char *uuid_b) | |
104 | { | |
105 | uint32_t status; | |
106 | ||
107 | uuid_compare((uuid_t *) uuid_a, (uuid_t *) uuid_b, &status); | |
108 | if (status == uuid_s_ok) | |
109 | return 0; | |
110 | else | |
111 | return -1; | |
112 | } | |
113 | ||
114 | #else | |
115 | #error "Babeltrace needs to have a UUID generator configured." | |
116 | #endif | |
117 | ||
118 | #endif /* _BABELTRACE_UUID_H */ |