sysdeps/unix/fxstat.c

   1 /* fxstat using old-style Unix fstat system call.
   2 Copyright (C) 1991, 1995, 1996 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 Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 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 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #include <errno.h>
  21 #include <stddef.h>
  22 #include <sys/stat.h>
  23
  24 extern int __syscall_fstat (int, struct stat *);
  25
  26 /* Get information about the file descriptor FD in BUF.  */
  27 int
  28 __fxstat (int vers, int fd, struct stat *buf)
  29 {
  30   if (vers != _STAT_VER)
  31     {
  32       __set_errno (EINVAL);
  33       return -1;
  34     }
  35
  36   return __syscall_fstat (fd, buf);
  37 }
  38 weak_alias (__fxstat, _fxstat)