sysdeps/unix/sysv/linux/alpha/fxstatat.c

   1 /* Copyright (C) 2005-2019 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 #define __fxstatat64 __fxstatat64_disable
  19
  20 #include <errno.h>
  21 #include <fcntl.h>
  22 #include <stddef.h>
  23 #include <stdio.h>
  24 #include <sys/stat.h>
  25 #include <kernel_stat.h>
  26 #include <sysdep.h>
  27 #include <sys/syscall.h>
  28 #include <xstatconv.h>
  29
  30 #undef __fxstatat64
  31
  32 /* Get information about the file NAME in BUF.  */
  33 int
  34 __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
  35 {
  36   INTERNAL_SYSCALL_DECL (err);
  37   int result, errno_out;
  38
  39   /* ??? The __fxstatat entry point is new enough that it must be using
  40      vers == _STAT_VER_KERNEL64.  For the benefit of dl-fxstatat64.c, we
  41      cannot actually check this, lest the compiler not optimize the rest
  42      of the function away.  */
  43
  44   result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, st, flag);
  45   if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
  46     return result;
  47   errno_out = INTERNAL_SYSCALL_ERRNO (result, err);
  48   __set_errno (errno_out);
  49   return -1;
  50 }
  51 libc_hidden_def (__fxstatat)
  52 strong_alias (__fxstatat, __fxstatat64);
  53 libc_hidden_ver(__fxstatat, __fxstatat64);