io/fxstatat.c

   1 /* Copyright (C) 2005, 2006 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <fcntl.h>
  21 #include <stddef.h>
  22 #include <sys/stat.h>
  23
  24 /* Get information about the file descriptor FD in BUF.  */
  25 int
  26 __fxstatat (int vers, int fd, const char *filename, struct stat *buf, int flag)
  27 {
  28   if (vers != _STAT_VER)
  29     {
  30       __set_errno (EINVAL);
  31       return -1;
  32     }
  33
  34   if (fd < 0 && fd != AT_FDCWD)
  35     {
  36       __set_errno (EBADF);
  37       return -1;
  38     }
  39   if (buf == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
  40     {
  41       __set_errno (EINVAL);
  42       return -1;
  43     }
  44
  45   __set_errno (ENOSYS);
  46   return -1;
  47 }
  48 libc_hidden_def (__fxstatat)
  49 stub_warning (fstatat)
  50 #include <stub-tag.h>