sysdeps/unix/sysv/linux/wordsize-64/fxstat.c

   1 /* fxstat using old-style Unix fstat system call.
   2    Copyright (C) 1991, 1995, 1996, 1997, 1998, 2000, 2002, 2003, 2004
   3    Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 /* Ho hum, since xstat == xstat64 we must get rid of the prototype or gcc
  22    will complain since they don't strictly match.  */
  23 #define __fxstat64 __fxstat64_disable
  24
  25 #include <errno.h>
  26 #include <stddef.h>
  27 #include <sys/stat.h>
  28
  29 #include <sysdep.h>
  30 #include <sys/syscall.h>
  31 #include <bp-checks.h>
  32
  33 /* Get information about the file FD in BUF.  */
  34 int
  35 __fxstat (int vers, int fd, struct stat *buf)
  36 {
  37   if (vers == _STAT_VER_KERNEL || vers == _STAT_VER_LINUX)
  38     return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 (buf));
  39
  40   __set_errno (EINVAL);
  41   return -1;
  42 }
  43
  44 hidden_def (__fxstat)
  45 weak_alias (__fxstat, _fxstat);
  46 #undef __fxstat64
  47 strong_alias (__fxstat, __fxstat64);
  48 hidden_ver (__fxstat, __fxstat64)