Create BSD wrapper for uuid
[babeltrace.git] / include / babeltrace / uuid.h
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
34 void babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
35 {
36 return uuid_unparse(uuid_in, str_out);
37 }
38
39 static inline
40 int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out)
41 {
42 return uuid_parse(str_in, uuid_out);
43 }
44
45 static inline
46 int babeltrace_uuid_compare(const unsigned char *uuid_a,
47 const unsigned char *uuid_b)
48 {
49 return uuid_compare(uuid_a, uuid_b);
50 }
51
52 #elif defined(BABELTRACE_HAVE_LIBC_UUID)
53 #include <uuid.h>
54 #include <stdint.h>
55
56 static inline
57 int babeltrace_uuid_generate(unsigned char *uuid_out)
58 {
59 uint32_t status;
60
61 uuid_create((uuid_t *) uuid_out, &status);
62 if (status == uuid_s_ok)
63 return 0;
64 else
65 return -1;
66 }
67
68 static inline
69 void babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
70 {
71 uint32_t status;
72
73 uuid_to_string((uuid_t *) uuid_in, str_out, &status);
74 if (status == uuid_s_ok)
75 return 0;
76 else
77 return -1;
78 }
79
80 static inline
81 int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out)
82 {
83 uint32_t status;
84
85 uuid_from_string(str_in, (uuid_t *) uuid_out, &status);
86 if (status == uuid_s_ok)
87 return 0;
88 else
89 return -1;
90 }
91
92 static inline
93 int babeltrace_uuid_compare(const unsigned char *uuid_a,
94 const unsigned char *uuid_b)
95 {
96 uint32_t status;
97
98 uuid_compare((uuid_t *) uuid_a, (uuid_t *) uuid_b, &status);
99 if (status == uuid_s_ok)
100 return 0;
101 else
102 return -1;
103 }
104
105 #else
106 #error "Babeltrace needs to have a UUID generator configured."
107 #endif
108
109 #endif /* _BABELTRACE_UUID_H */
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