| 1 | /* Convert `time_t' to `struct tm' in UTC. |
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| 2 | Copyright (C) 1991-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <time.h> |
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| 20 | |
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| 21 | /* Return the `struct tm' representation of *T in UTC, |
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| 22 | using *TP to store the result. */ |
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| 23 | struct tm * |
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| 24 | __gmtime64_r (const __time64_t *t, struct tm *tp) |
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| 25 | { |
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| 26 | return __tz_convert (timer: *t, use_localtime: 0, tp); |
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| 27 | } |
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| 28 | |
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| 29 | /* Provide a 32-bit variant if needed. */ |
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| 30 | |
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| 31 | #if __TIMESIZE != 64 |
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| 32 | |
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| 33 | libc_hidden_def (__gmtime64_r) |
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| 34 | |
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| 35 | struct tm * |
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| 36 | __gmtime_r (const time_t *t, struct tm *tp) |
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| 37 | { |
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| 38 | __time64_t t64 = *t; |
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| 39 | return __gmtime64_r (&t64, tp); |
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| 40 | } |
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| 41 | |
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| 42 | #endif |
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| 43 | |
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| 44 | libc_hidden_def (__gmtime_r) |
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| 45 | weak_alias (__gmtime_r, gmtime_r) |
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| 46 | |
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| 47 | /* Return the `struct tm' representation of *T in UTC. */ |
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| 48 | struct tm * |
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| 49 | __gmtime64 (const __time64_t *t) |
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| 50 | { |
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| 51 | return __tz_convert (timer: *t, use_localtime: 0, tp: &_tmbuf); |
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| 52 | } |
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| 53 | |
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| 54 | /* Provide a 32-bit variant if needed. */ |
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| 55 | |
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| 56 | #if __TIMESIZE != 64 |
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| 57 | |
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| 58 | libc_hidden_def (__gmtime64) |
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| 59 | |
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| 60 | struct tm * |
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| 61 | gmtime (const time_t *t) |
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| 62 | { |
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| 63 | __time64_t t64 = *t; |
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| 64 | return __gmtime64 (&t64); |
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| 65 | } |
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| 66 | |
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| 67 | #endif |
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| 68 | |
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