sysdeps/unix/sysv/linux/generic/xstat.c

   1 /* Copyright (C) 2011 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   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 /* Ignore prototype to avoid error if we alias __xstat and __xstat64. */
  21 #define __xstat64 __xstat64_disable
  22
  23 #include <errno.h>
  24 #include <stddef.h>
  25 #include <fcntl.h>
  26 #include <sys/stat.h>
  27 #include <kernel_stat.h>
  28
  29 #include <sysdep.h>
  30 #include <sys/syscall.h>
  31
  32 /* Get information about the file NAME in BUF.  */
  33 int
  34 __xstat (int vers, const char *name, struct stat *buf)
  35 {
  36   if (vers == _STAT_VER_KERNEL)
  37     return INLINE_SYSCALL (newfstatat, 4, AT_FDCWD, name, buf, 0);
  38
  39   errno = EINVAL;
  40   return -1;
  41 }
  42
  43 hidden_def (__xstat)
  44 weak_alias (__xstat, _xstat);
  45 #ifdef XSTAT_IS_XSTAT64
  46 #undef __xstat64
  47 strong_alias (__xstat, __xstat64);
  48 hidden_ver (__xstat, __xstat64)
  49 #endif