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

   1 /* Copyright (C) 2011-2018 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 /* Ignore prototype to avoid error if we alias __lxstat and __lxstat64. */
  20 #define __lxstat64 __lxstat64_disable
  21
  22 #include <errno.h>
  23 #include <stddef.h>
  24 #include <fcntl.h>
  25 #include <sys/stat.h>
  26 #include <kernel_stat.h>
  27
  28 #include <sysdep.h>
  29 #include <sys/syscall.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     return INLINE_SYSCALL (newfstatat, 4, AT_FDCWD, name, buf,
  37                            AT_SYMLINK_NOFOLLOW);
  38   errno = EINVAL;
  39   return -1;
  40 }
  41
  42 hidden_def (__lxstat)
  43 weak_alias (__lxstat, _lxstat);
  44 #if XSTAT_IS_XSTAT64
  45 #undef __lxstat64
  46 strong_alias (__lxstat, __lxstat64);
  47 hidden_ver (__lxstat, __lxstat64)
  48 #endif