login/getpt.c

   1 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
   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 <stdlib.h>
  20 #include <errno.h>
  21
  22 /* Open the master side of a pseudoterminal and return its file
  23    descriptor, or -1 on error. */
  24 int
  25 __getpt (void)
  26 {
  27   __set_errno (ENOSYS);
  28   return -1;
  29 }
  30 weak_alias (__getpt, getpt)
  31
  32 /* We cannot define posix_openpt in general for BSD systems.  */
  33 int
  34 __posix_openpt (int oflag)
  35 {
  36   __set_errno (ENOSYS);
  37   return -1;
  38 }
  39 weak_alias (__posix_openpt, posix_openpt)
  40
  41 stub_warning (getpt)
  42 stub_warning (posix_openpt)