sysdeps/unix/fxstat.c

   1 /* fxstat using old-style Unix fstat system call.
   2    Copyright (C) 1991,1995,1996,1997,2000,2002 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 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 <stddef.h>
  22 #include <sys/stat.h>
  23 #include <bp-checks.h>
  24
  25 extern int __syscall_fstat (int, struct stat *__unbounded);
  26
  27 /* Get information about the file descriptor FD in BUF.  */
  28 int
  29 __fxstat (int vers, int fd, struct stat *buf)
  30 {
  31   if (vers != _STAT_VER)
  32     {
  33       __set_errno (EINVAL);
  34       return -1;
  35     }
  36
  37   return __syscall_fstat (fd, CHECK_1 (buf));
  38 }
  39 hidden_def (__fxstat)
  40 weak_alias (__fxstat, _fxstat)