1/* Convert `time_t' to `struct tm' in local time zone.
2 Copyright (C) 1991-2023 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, 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. */
22struct tm _tmbuf;
23
24
25/* Return the `struct tm' representation of *T in local time,
26 using *TP to store the result. */
27struct tm *
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
37struct tm *
38__localtime_r (const time_t *t, struct tm *tp)
39{
40 __time64_t t64 = *t;
41 return __localtime64_r (&t64, tp);
42}
43libc_hidden_def (__localtime64_r)
44
45#endif
46
47weak_alias (__localtime_r, localtime_r)
48
49
50/* Return the `struct tm' representation of *T in local time. */
51struct tm *
52__localtime64 (const __time64_t *t)
53{
54 return __tz_convert (*t, 1, &_tmbuf);
55}
56libc_hidden_def (__localtime64)
57
58/* Provide a 32-bit variant if needed. */
59
60#if __TIMESIZE != 64
61
62struct tm *
63localtime (const time_t *t)
64{
65 __time64_t t64 = *t;
66 return __localtime64 (&t64);
67}
68libc_hidden_def (localtime)
69
70#endif
71