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1 | #ifndef _BABELTRACE_INCLUDE_COMPAT_TIME_H |
2 | #define _BABELTRACE_INCLUDE_COMPAT_TIME_H | |
3 | ||
4 | /* | |
5 | * babeltrace/compat/time.h | |
6 | * | |
7 | * Copyright (C) 2013 JP Ikaheimonen <jp_ikaheimonen@mentor.com> | |
8 | * 2016 Michael Jeanson <mjeanson@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | ||
30 | #include <time.h> | |
31 | #include <stdlib.h> | |
32 | ||
33 | #ifdef __MINGW32__ | |
34 | ||
35 | #include <string.h> | |
36 | ||
37 | /* | |
38 | * The Windows version of the time functions use one common tm structure per | |
39 | * thread which makes them thread-safe. Implement the POSIX _r variants by | |
40 | * copying this to a user supplied struct. | |
41 | */ | |
42 | ||
43 | static inline | |
44 | struct tm *bt_gmtime_r(const time_t *timep, struct tm *result) | |
45 | { | |
46 | struct tm *local_res; | |
47 | ||
48 | if (!result) { | |
49 | goto error; | |
50 | } | |
51 | ||
52 | local_res = gmtime(timep); | |
53 | if (!local_res) { | |
54 | result = NULL; | |
55 | goto error; | |
56 | } | |
57 | ||
58 | memcpy(result, local_res, sizeof(struct tm)); | |
59 | ||
60 | error: | |
61 | return result; | |
62 | } | |
63 | ||
64 | static inline | |
65 | struct tm *bt_localtime_r(const time_t *timep, struct tm *result) | |
66 | { | |
67 | struct tm *local_res; | |
68 | ||
69 | if (!result) { | |
70 | goto error; | |
71 | } | |
72 | ||
73 | local_res = localtime(timep); | |
74 | if (!local_res) { | |
75 | result = NULL; | |
76 | goto error; | |
77 | } | |
78 | ||
79 | memcpy(result, local_res, sizeof(struct tm)); | |
80 | ||
81 | error: | |
82 | return result; | |
83 | } | |
84 | ||
85 | #else /* __MINGW32__ */ | |
86 | ||
87 | static inline | |
88 | struct tm *bt_gmtime_r(const time_t *timep, struct tm *result) | |
89 | { | |
90 | return gmtime_r(timep, result); | |
91 | } | |
92 | ||
93 | static inline | |
94 | struct tm *bt_localtime_r(const time_t *timep, struct tm *result) | |
95 | { | |
96 | return localtime_r(timep, result); | |
97 | } | |
98 | ||
99 | #endif /* __MINGW32__ */ | |
100 | #endif /* _BABELTRACE_INCLUDE_COMPAT_TIME_H */ |