1  /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <sys/time.h>
      20  
      21  /* Adjust the current time of day by the amount in DELTA.
      22     If OLDDELTA is not NULL, it is filled in with the amount
      23     of time adjustment remaining to be done from the last `__adjtime' call.
      24     This call is restricted to the super-user.  */
      25  int
      26  __adjtime (const struct timeval *delta, struct timeval *olddelta)
      27  {
      28    __set_errno (ENOSYS);
      29    return -1;
      30  }
      31  stub_warning (adjtime)
      32  
      33  weak_alias (__adjtime, adjtime)