login/ptsname.c

   1 /* Copyright (C) 1998,2002 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23
  24 /* Given the file descriptor of a master pty, return the pathname
  25    of the associated slave. */
  26
  27 char *
  28 ptsname (fd)
  29      int fd __attribute__ ((unused));
  30 {
  31   __set_errno (ENOSYS);
  32   return NULL;
  33 }
  34
  35 int
  36 __ptsname_r (fd, buf, len)
  37      int fd __attribute__ ((unused));
  38      char *buf __attribute__ ((unused));
  39      size_t len __attribute__ ((unused));
  40 {
  41   __set_errno (ENOSYS);
  42   return ENOSYS;
  43 }
  44 weak_alias (__ptsname_r, ptsname_r)
  45
  46 stub_warning(ptsname)
  47 stub_warning(ptsname_r)