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

   1 /* fxstat using old-style Unix fstat system call.
   2    Copyright (C) 1991-2015 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 /* Ho hum, since xstat == xstat64 we must get rid of the prototype or gcc
  20    will complain since they don't strictly match.  */
  21 #define __fxstat64 __fxstat64_disable
  22
  23 #include <errno.h>
  24 #include <stddef.h>
  25 #include <sys/stat.h>
  26
  27 #include <sysdep.h>
  28 #include <sys/syscall.h>
  29
  30 /* Get information about the file FD in BUF.  */
  31 int
  32 __fxstat (int vers, int fd, struct stat *buf)
  33 {
  34   if (vers == _STAT_VER_KERNEL || vers == _STAT_VER_LINUX)
  35     return INLINE_SYSCALL (fstat, 2, fd, buf);
  36
  37   __set_errno (EINVAL);
  38   return -1;
  39 }
  40
  41 hidden_def (__fxstat)
  42 weak_alias (__fxstat, _fxstat);
  43 #undef __fxstat64
  44 strong_alias (__fxstat, __fxstat64);
  45 hidden_ver (__fxstat, __fxstat64)