Commit | Line | Data |
---|---|---|
9d1e7de0 JI |
1 | /* |
2 | * compat/compat_uuid.h | |
3 | * | |
4 | * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
22 | * SOFTWARE. | |
23 | */ | |
24 | ||
25 | /* This file is only built under MINGW32 */ | |
26 | ||
27 | #include <windows.h> | |
28 | #include <stdlib.h> | |
3d9990ac | 29 | #include <babeltrace/compat/uuid-internal.h> |
9d1e7de0 JI |
30 | |
31 | /* MinGW does not provide byteswap - implement our own version. */ | |
32 | static | |
33 | void swap(unsigned char *ptr, unsigned int i, unsigned int j) | |
34 | { | |
35 | unsigned char tmp; | |
36 | ||
37 | tmp = ptr[i]; | |
38 | ptr[i] = ptr[j]; | |
39 | ptr[j] = tmp; | |
40 | } | |
41 | ||
42 | static | |
43 | void fix_uuid_endian(unsigned char * ptr) | |
44 | { | |
45 | swap(ptr, 0, 3) | |
46 | swap(ptr, 1, 2) | |
47 | swap(ptr, 4, 5) | |
48 | swap(ptr, 6, 7) | |
49 | } | |
50 | ||
19dd40db | 51 | int bt_uuid_generate(unsigned char *uuid_out) |
9d1e7de0 JI |
52 | { |
53 | RPC_STATUS status; | |
54 | ||
55 | status = UuidCreate((struct UUID *)uuid_out); | |
56 | if (status == RPC_S_OK) | |
57 | return 0; | |
58 | else | |
59 | return -1; | |
60 | } | |
61 | ||
19dd40db | 62 | int bt_uuid_unparse(const unsigned char *uuid_in, char *str_out) |
9d1e7de0 JI |
63 | { |
64 | RPC_STATUS status; | |
65 | unsigned char *alloc_str; | |
66 | int ret; | |
67 | unsigned char copy_of_uuid_in[BABELTRACE_UUID_LEN]; | |
68 | ||
69 | /* make a modifyable copy of uuid_in */ | |
70 | memcpy(copy_of_uuid_in, uuid_in, BABELTRACE_UUID_LEN); | |
71 | ||
72 | fix_uuid_endian(copy_of_uuid_in); | |
73 | status = UuidToString((struct UUID *) copy_of_uuid_in, &alloc_str); | |
74 | ||
75 | if (status == RPC_S_OK) { | |
76 | strncpy(str_out, (char *) alloc_str, BABELTRACE_UUID_STR_LEN); | |
77 | str_out[BABELTRACE_UUID_STR_LEN - 1] = '\0'; | |
78 | ret = 0; | |
79 | } else { | |
80 | ret = -1; | |
81 | } | |
82 | RpcStringFree(&alloc_str); | |
83 | return ret; | |
84 | } | |
85 | ||
19dd40db | 86 | int bt_uuid_parse(const char *str_in, unsigned char *uuid_out) |
9d1e7de0 JI |
87 | { |
88 | RPC_STATUS status; | |
89 | ||
90 | status = UuidFromString((unsigned char *) str_in, | |
91 | (struct UUID *) uuid_out); | |
92 | fix_uuid_endian(uuid_out); | |
93 | ||
94 | if (status == RPC_S_OK) | |
95 | return 0; | |
96 | else | |
97 | return -1; | |
98 | } | |
99 | ||
19dd40db | 100 | int bt_uuid_compare(const unsigned char *uuid_a, |
9d1e7de0 JI |
101 | const unsigned char *uuid_b) |
102 | { | |
103 | RPC_STATUS status; | |
104 | ||
105 | if (!UuidCompare((struct UUID *) uuid_a, (struct UUID *) uuid_b, | |
106 | &status)) { | |
107 | return 0; | |
108 | } else { | |
109 | return -1; | |
110 | } | |
111 | } |