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58a2480d | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
58a2480d | 3 | * |
0235b0db MJ |
4 | * Copyright (C) 2013 JP Ikaheimonen <jp_ikaheimonen@mentor.com> |
5 | * Copyright (C) 2016 Michael Jeanson <mjeanson@efficios.com> | |
58a2480d MJ |
6 | */ |
7 | ||
0235b0db MJ |
8 | #ifndef _BABELTRACE_INCLUDE_COMPAT_TIME_H |
9 | #define _BABELTRACE_INCLUDE_COMPAT_TIME_H | |
58a2480d MJ |
10 | |
11 | #include <time.h> | |
12 | #include <stdlib.h> | |
13 | ||
14 | #ifdef __MINGW32__ | |
15 | ||
16 | #include <string.h> | |
17 | ||
18 | /* | |
19 | * The Windows version of the time functions use one common tm structure per | |
20 | * thread which makes them thread-safe. Implement the POSIX _r variants by | |
21 | * copying this to a user supplied struct. | |
22 | */ | |
23 | ||
24 | static inline | |
25 | struct tm *bt_gmtime_r(const time_t *timep, struct tm *result) | |
26 | { | |
27 | struct tm *local_res; | |
28 | ||
29 | if (!result) { | |
30 | goto error; | |
31 | } | |
32 | ||
33 | local_res = gmtime(timep); | |
34 | if (!local_res) { | |
35 | result = NULL; | |
36 | goto error; | |
37 | } | |
38 | ||
39 | memcpy(result, local_res, sizeof(struct tm)); | |
40 | ||
41 | error: | |
42 | return result; | |
43 | } | |
44 | ||
45 | static inline | |
46 | struct tm *bt_localtime_r(const time_t *timep, struct tm *result) | |
47 | { | |
48 | struct tm *local_res; | |
49 | ||
50 | if (!result) { | |
51 | goto error; | |
52 | } | |
53 | ||
54 | local_res = localtime(timep); | |
55 | if (!local_res) { | |
56 | result = NULL; | |
57 | goto error; | |
58 | } | |
59 | ||
60 | memcpy(result, local_res, sizeof(struct tm)); | |
61 | ||
62 | error: | |
63 | return result; | |
64 | } | |
65 | ||
66 | #else /* __MINGW32__ */ | |
67 | ||
68 | static inline | |
69 | struct tm *bt_gmtime_r(const time_t *timep, struct tm *result) | |
70 | { | |
71 | return gmtime_r(timep, result); | |
72 | } | |
73 | ||
74 | static inline | |
75 | struct tm *bt_localtime_r(const time_t *timep, struct tm *result) | |
76 | { | |
77 | return localtime_r(timep, result); | |
78 | } | |
79 | ||
80 | #endif /* __MINGW32__ */ | |
81 | #endif /* _BABELTRACE_INCLUDE_COMPAT_TIME_H */ |