uclibc-ng/libc/misc/statfs/fstatvfs.c

/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <features.h>
#include <errno.h>
#include <mntent.h>
#include <paths.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <sys/statvfs.h>

/* Experimentally off - libc_hidden_proto(memset) */
/* Experimentally off - libc_hidden_proto(strcmp) */
/* Experimentally off - libc_hidden_proto(strsep) */
libc_hidden_proto(setmntent)
libc_hidden_proto(getmntent_r)
libc_hidden_proto(endmntent)

#ifndef __USE_FILE_OFFSET64
extern int fstatfs (int __fildes, struct statfs *__buf)
     __THROW __nonnull ((2));
#else
# ifdef __REDIRECT_NTH
extern int __REDIRECT_NTH (fstatfs, (int __fildes, struct statfs *__buf),
			   fstatfs64) __nonnull ((2));
# else
#  define fstatfs fstatfs64
# endif
#endif

extern __typeof(fstatfs) __libc_fstatfs;
libc_hidden_proto(__libc_fstatfs)
libc_hidden_proto(fstat)
libc_hidden_proto(stat)

int fstatvfs (int fd, struct statvfs *buf)
{
    struct statfs fsbuf;
    struct stat st;

    /* Get as much information as possible from the system.  */
    if (__libc_fstatfs (fd, &fsbuf) < 0)
	return -1;

#define STAT(st) fstat (fd, st)
#include "internal_statvfs.c"

    /* We signal success if the statfs call succeeded.  */
    return 0;
}