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/* Convert `time_t' to `struct tm' in UTC.
Copyright (C) 1991-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <time.h>
/* Return the `struct tm' representation of *T in UTC,
using *TP to store the result. */
struct tm *
__gmtime64_r (const __time64_t *t, struct tm *tp)
{
return __tz_convert (*t, 0, tp);
}
/* Provide a 32-bit variant if needed. */
#if __TIMESIZE != 64
libc_hidden_def (__gmtime64_r)
struct tm *
__gmtime_r (const time_t *t, struct tm *tp)
{
__time64_t t64 = *t;
return __gmtime64_r (&t64, tp);
}
#endif
libc_hidden_def (__gmtime_r)
weak_alias (__gmtime_r, gmtime_r)
/* Return the `struct tm' representation of *T in UTC. */
struct tm *
__gmtime64 (const __time64_t *t)
{
return __tz_convert (*t, 0, &_tmbuf);
}
/* Provide a 32-bit variant if needed. */
#if __TIMESIZE != 64
libc_hidden_def (__gmtime64)
struct tm *
gmtime (const time_t *t)
{
__time64_t t64 = *t;
return __gmtime64 (&t64);
}
#endif
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