1 /* Convert `time_t' to `struct tm' in local time zone.
2 Copyright (C) 1991-2022 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, or (at your option) any later version.
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
21 /* The C Standard says that localtime and gmtime return the same pointer. */
22 struct tm _tmbuf;
23
24
25 /* Return the `struct tm' representation of *T in local time,
26 using *TP to store the result. */
27 struct tm *
__localtime64_r(const __time64_t * t,struct tm * tp)28 __localtime64_r (const __time64_t *t, struct tm *tp)
29 {
30 return __tz_convert (*t, 1, tp);
31 }
32
33 /* Provide a 32-bit variant if needed. */
34
35 #if __TIMESIZE != 64
36
37 struct tm *
__localtime_r(const time_t * t,struct tm * tp)38 __localtime_r (const time_t *t, struct tm *tp)
39 {
40 __time64_t t64 = *t;
41 return __localtime64_r (&t64, tp);
42 }
43 libc_hidden_def (__localtime64_r)
44
45 #endif
46
weak_alias(__localtime_r,localtime_r)47 weak_alias (__localtime_r, localtime_r)
48
49
50 /* Return the `struct tm' representation of *T in local time. */
51 struct tm *
52 __localtime64 (const __time64_t *t)
53 {
54 return __tz_convert (*t, 1, &_tmbuf);
55 }
libc_hidden_def(__localtime64)56 libc_hidden_def (__localtime64)
57
58 /* Provide a 32-bit variant if needed. */
59
60 #if __TIMESIZE != 64
61
62 struct tm *
63 localtime (const time_t *t)
64 {
65 __time64_t t64 = *t;
66 return __localtime64 (&t64);
67 }
68 libc_hidden_def (localtime)
69
70 #endif
71