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 <unistd.h>
      20  #include <sys/types.h>
      21  
      22  /* Set the user ID of the calling process to UID.
      23     If the calling process is the super-user, the real
      24     and effective user IDs, and the saved set-user-ID to UID;
      25     if not, the effective user ID is set to UID.  */
      26  int
      27  __setuid (uid_t uid)
      28  {
      29    __set_errno (ENOSYS);
      30    return -1;
      31  }
      32  stub_warning (setuid)
      33  
      34  weak_alias (__setuid, setuid)