sysdeps/stub/fpathconf.c

   1 /* Copyright (C) 1991, 1995, 1996 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <unistd.h>
  23
  24
  25 /* Get file-specific information about descriptor FD.  */
  26 long int
  27 DEFUN(__fpathconf, (fd, name), int fd AND int name)
  28 {
  29   if (fd < 0)
  30     {
  31       errno = EBADF;
  32       return -1;
  33     }
  34
  35   switch (name)
  36     {
  37     default:
  38       errno = EINVAL;
  39       return -1;
  40
  41     case _PC_LINK_MAX:
  42     case _PC_MAX_CANON:
  43     case _PC_MAX_INPUT:
  44     case _PC_NAME_MAX:
  45     case _PC_PATH_MAX:
  46     case _PC_PIPE_BUF:
  47     case _PC_SOCK_MAXBUF:
  48     case _PC_CHOWN_RESTRICTED:
  49     case _PC_NO_TRUNC:
  50     case _PC_VDISABLE:
  51       break;
  52     }
  53
  54   errno = ENOSYS;
  55   return -1;
  56 }
  57
  58 weak_alias (__fpathconf, fpathconf)
  59
  60 stub_warning (fpathconf)