login/getlogin_r.c

   1 /* Reentrant function to return the current login name.  Stub version.
   2    Copyright (C) 1996-2024 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, or (at your option) any later version.
   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 <errno.h>
  20 #include <unistd.h>
  21
  22 /* Return at most NAME_LEN characters of the login name of the user in NAME.
  23    If it cannot be determined or some other error occurred, return the error
  24    code.  Otherwise return 0.  */
  25 int
  26 __getlogin_r (char *name, size_t name_len)
  27 {
  28   __set_errno (ENOSYS);
  29   return errno;
  30 }
  31 libc_hidden_def (__getlogin_r)
  32 weak_alias (__getlogin_r, getlogin_r)
  33 libc_hidden_weak (getlogin_r)
  34
  35 stub_warning (getlogin_r)