Change UUID API prefix from babeltrace_ to bt_
[babeltrace.git] / include / babeltrace / compat / uuid.h
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1#ifndef _BABELTRACE_COMPAT_UUID_H
2#define _BABELTRACE_COMPAT_UUID_H
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3
4/*
9d1e7de0 5 * babeltrace/compat/uuid.h
eb31c5e6 6 *
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7 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 *
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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 *
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16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
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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.
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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
37static inline
72a3bc16 38int bt_uuid_generate(unsigned char *uuid_out)
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39{
40 uuid_generate(uuid_out);
41 return 0;
42}
43
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44/* Sun's libuuid lacks const qualifiers */
45#if defined(__sun__)
46static inline
72a3bc16 47int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out)
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48{
49 uuid_unparse((unsigned char *) uuid_in, str_out);
50 return 0;
51}
52
53static inline
72a3bc16 54int bt_uuid_parse(const char *str_in, unsigned char *uuid_out)
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55{
56 return uuid_parse((char *) str_in, uuid_out);
57}
58
59static inline
72a3bc16 60int bt_uuid_compare(const unsigned char *uuid_a,
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61 const unsigned char *uuid_b)
62{
63 return uuid_compare((unsigned char *) uuid_a,
64 (unsigned char *) uuid_b);
65}
66#else
a4dfa07b 67static inline
72a3bc16 68int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out)
a4dfa07b 69{
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70 uuid_unparse(uuid_in, str_out);
71 return 0;
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72}
73
74static inline
72a3bc16 75int bt_uuid_parse(const char *str_in, unsigned char *uuid_out)
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76{
77 return uuid_parse(str_in, uuid_out);
78}
79
80static inline
72a3bc16 81int bt_uuid_compare(const unsigned char *uuid_a,
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82 const unsigned char *uuid_b)
83{
84 return uuid_compare(uuid_a, uuid_b);
85}
6c3e8784 86#endif
a4dfa07b 87
72a3bc16 88#elif defined(BT_HAVE_LIBC_UUID)
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89#include <uuid.h>
90#include <stdint.h>
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91#include <string.h>
92#include <stdlib.h>
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93
94static inline
72a3bc16 95int bt_uuid_generate(unsigned char *uuid_out)
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96{
97 uint32_t status;
98
99 uuid_create((uuid_t *) uuid_out, &status);
100 if (status == uuid_s_ok)
101 return 0;
102 else
103 return -1;
104}
105
106static inline
72a3bc16 107int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out)
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108{
109 uint32_t status;
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110 char *alloc_str;
111 int ret;
112
113 uuid_to_string((uuid_t *) uuid_in, &alloc_str, &status);
114 if (status == uuid_s_ok) {
115 strcpy(str_out, alloc_str);
116 ret = 0;
117 } else {
118 ret = -1;
119 }
120 free(alloc_str);
121 return ret;
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122}
123
124static inline
72a3bc16 125int bt_uuid_parse(const char *str_in, unsigned char *uuid_out)
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126{
127 uint32_t status;
128
129 uuid_from_string(str_in, (uuid_t *) uuid_out, &status);
130 if (status == uuid_s_ok)
131 return 0;
132 else
133 return -1;
134}
135
136static inline
72a3bc16 137int bt_uuid_compare(const unsigned char *uuid_a,
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138 const unsigned char *uuid_b)
139{
140 uint32_t status;
141
142 uuid_compare((uuid_t *) uuid_a, (uuid_t *) uuid_b, &status);
143 if (status == uuid_s_ok)
144 return 0;
145 else
146 return -1;
147}
148
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149#elif defined(__MINGW32__)
150
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151int bt_uuid_generate(unsigned char *uuid_out);
152int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out);
153int bt_uuid_parse(const char *str_in, unsigned char *uuid_out);
154int bt_uuid_compare(const unsigned char *uuid_a,
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155 const unsigned char *uuid_b);
156
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157#else
158#error "Babeltrace needs to have a UUID generator configured."
159#endif
160
9d1e7de0 161#endif /* _BABELTRACE_COMPAT_UUID_H */
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