Change UUID API prefix from babeltrace_ to bt_
[babeltrace.git] / include / babeltrace / compat / uuid.h
1 #ifndef _BABELTRACE_COMPAT_UUID_H
2 #define _BABELTRACE_COMPAT_UUID_H
3
4 /*
5 * babeltrace/compat/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 * 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.
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
37 static inline
38 int bt_uuid_generate(unsigned char *uuid_out)
39 {
40 uuid_generate(uuid_out);
41 return 0;
42 }
43
44 /* Sun's libuuid lacks const qualifiers */
45 #if defined(__sun__)
46 static inline
47 int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out)
48 {
49 uuid_unparse((unsigned char *) uuid_in, str_out);
50 return 0;
51 }
52
53 static inline
54 int bt_uuid_parse(const char *str_in, unsigned char *uuid_out)
55 {
56 return uuid_parse((char *) str_in, uuid_out);
57 }
58
59 static inline
60 int bt_uuid_compare(const unsigned char *uuid_a,
61 const unsigned char *uuid_b)
62 {
63 return uuid_compare((unsigned char *) uuid_a,
64 (unsigned char *) uuid_b);
65 }
66 #else
67 static inline
68 int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out)
69 {
70 uuid_unparse(uuid_in, str_out);
71 return 0;
72 }
73
74 static inline
75 int bt_uuid_parse(const char *str_in, unsigned char *uuid_out)
76 {
77 return uuid_parse(str_in, uuid_out);
78 }
79
80 static inline
81 int bt_uuid_compare(const unsigned char *uuid_a,
82 const unsigned char *uuid_b)
83 {
84 return uuid_compare(uuid_a, uuid_b);
85 }
86 #endif
87
88 #elif defined(BT_HAVE_LIBC_UUID)
89 #include <uuid.h>
90 #include <stdint.h>
91 #include <string.h>
92 #include <stdlib.h>
93
94 static inline
95 int bt_uuid_generate(unsigned char *uuid_out)
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
106 static inline
107 int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out)
108 {
109 uint32_t status;
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;
122 }
123
124 static inline
125 int bt_uuid_parse(const char *str_in, unsigned char *uuid_out)
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
136 static inline
137 int bt_uuid_compare(const unsigned char *uuid_a,
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
149 #elif defined(__MINGW32__)
150
151 int bt_uuid_generate(unsigned char *uuid_out);
152 int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out);
153 int bt_uuid_parse(const char *str_in, unsigned char *uuid_out);
154 int bt_uuid_compare(const unsigned char *uuid_a,
155 const unsigned char *uuid_b);
156
157 #else
158 #error "Babeltrace needs to have a UUID generator configured."
159 #endif
160
161 #endif /* _BABELTRACE_COMPAT_UUID_H */
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