sysdeps/unix/sysv/linux/fstatvfs.c

   1 /* Copyright (C) 1998-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
   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 <stddef.h>
  20 #include <sys/stat.h>
  21 #include <sys/statfs.h>
  22 #include "internal_statvfs.h"
  23
  24 int
  25 __fstatvfs (int fd, struct statvfs *buf)
  26 {
  27   struct statfs fsbuf;
  28
  29   /* Get as much information as possible from the system.  */
  30   if (__fstatfs (fd, &fsbuf) < 0)
  31     return -1;
  32
  33   /* Convert the result.  */
  34   __internal_statvfs (NULL, buf, &fsbuf, fd);
  35
  36   /* We signal success if the statfs call succeeded.  */
  37   return 0;
  38 }
  39 weak_alias (__fstatvfs, fstatvfs)
  40 libc_hidden_weak (fstatvfs)