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.  */
      23  int
      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
      35  libc_hidden_def (__timespec_get64)
      36  
      37  int
      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
      59  strong_alias (__timespec_get, timespec_get);