1/* timespec_get -- get system time - Linux version supporting 64 bit time.
2 Copyright (C) 2020-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <time.h>
20#include <errno.h>
21
22/* Set TS to calendar time based in time base BASE. */
23int
24__timespec_get64 (struct __timespec64 *ts, int base)
25{
26 if (base == TIME_UTC)
27 {
28 __clock_gettime64 (CLOCK_REALTIME, ts);
29 return base;
30 }
31 return 0;
32}
33
34#if __TIMESIZE != 64
35libc_hidden_def (__timespec_get64)
36
37int
38__timespec_get (struct timespec *ts, int base)
39{
40 int ret;
41 struct __timespec64 tp64;
42
43 ret = __timespec_get64 (&tp64, base);
44
45 if (ret == TIME_UTC)
46 {
47 if (! in_time_t_range (tp64.tv_sec))
48 {
49 __set_errno (EOVERFLOW);
50 return 0;
51 }
52
53 *ts = valid_timespec64_to_timespec (tp64);
54 }
55
56 return ret;
57}
58#endif
59strong_alias (__timespec_get, timespec_get);
60