sysdeps/unix/sysv/linux/fxstatat64.c

   1 /* Copyright (C) 2005-2015 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <fcntl.h>
  20 #include <stddef.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <sys/stat.h>
  24 #include <kernel_stat.h>
  25
  26 #include <sysdep.h>
  27 #include <sys/syscall.h>
  28
  29 /* Get information about the file NAME in BUF.  */
  30
  31 int
  32 __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
  33 {
  34   if (__glibc_unlikely (vers != _STAT_VER_LINUX))
  35     {
  36       __set_errno (EINVAL);
  37       return -1;
  38     }
  39
  40   int result;
  41   INTERNAL_SYSCALL_DECL (err);
  42
  43   result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, st, flag);
  44   if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1))
  45     return 0;
  46   else
  47     {
  48       __set_errno (INTERNAL_SYSCALL_ERRNO (result, err));
  49       return -1;
  50     }
  51 }
  52 libc_hidden_def (__fxstatat64)