Rename ctf_stream to ctf_stream_definition
[babeltrace.git] / include / babeltrace / uuid.h
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CommitLineData
1#ifndef _BABELTRACE_UUID_H
2#define _BABELTRACE_UUID_H
3
4/*
5 * babeltrace/uuid.h
6 *
7 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 *
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:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
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
29static inline
30int babeltrace_uuid_generate(unsigned char *uuid_out)
31{
32 uuid_generate(uuid_out);
33 return 0;
34}
35
36static inline
37int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
38{
39 uuid_unparse(uuid_in, str_out);
40 return 0;
41}
42
43static inline
44int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out)
45{
46 return uuid_parse(str_in, uuid_out);
47}
48
49static inline
50int 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>
59#include <string.h>
60#include <stdlib.h>
61
62static inline
63int 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
74static inline
75int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
76{
77 uint32_t status;
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;
90}
91
92static inline
93int 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
104static inline
105int 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 */
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