sysdeps/unix/sysv/linux/generic/wordsize-32/lxstat.c

   1 /* Copyright (C) 2011-2017 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <fcntl.h>
  22 #include <sys/stat.h>
  23 #include <kernel_stat.h>
  24
  25 #include <sysdep.h>
  26 #include <sys/syscall.h>
  27
  28 #if !XSTAT_IS_XSTAT64
  29 #include "overflow.h"
  30
  31 /* Get information about the file NAME in BUF.  */
  32 int
  33 __lxstat (int vers, const char *name, struct stat *buf)
  34 {
  35   if (vers == _STAT_VER_KERNEL)
  36     {
  37       int rc = INLINE_SYSCALL (fstatat64, 4, AT_FDCWD, name, buf,
  38                                AT_SYMLINK_NOFOLLOW);
  39       return rc ?: stat_overflow (buf);
  40     }
  41   errno = EINVAL;
  42   return -1;
  43 }
  44 hidden_def (__lxstat)
  45 #endif