sysdeps/nacl/fxstat.c

   1 /* Get stat information from a file descriptor.  NaCl version.
   2    Copyright (C) 2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 /* Avoid the declaration so the compiler doesn't complain about the alias
  20    with a different type signature.  It doesn't know that 'struct stat'
  21    and 'struct stat64' are ABI-compatible.  */
  22 #define __fxstat64 __fxstat64_avoid
  23 #include <sys/stat.h>
  24 #undef  __fxstat64
  25
  26 #include <errno.h>
  27 #include <stddef.h>
  28
  29 #include <xstatconv.h>
  30
  31 #undef  fstat
  32
  33 /* Get information about the file descriptor FD in BUF.  */
  34 int
  35 __fxstat (int vers, int fd, struct stat *buf)
  36 {
  37   nacl_abi_stat_t abi_buf;
  38   return NACL_CALL (__nacl_irt_fdio.fstat (fd, &abi_buf),
  39                     __xstat_conv (vers, &abi_buf, buf));
  40 }
  41 hidden_def (__fxstat)
  42 weak_alias (__fxstat, _fxstat)
  43
  44 strong_alias (__fxstat, __fxstat64)
  45 hidden_ver (__fxstat, __fxstat64)