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/* $Id: bsd-statvfs.c,v 1.2 2014/01/17 07:10:59 dtucker Exp $ */
/*
* Copyright (c) 2008,2014 Darren Tucker <dtucker@zip.com.au>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "includes.h"
#if !defined(HAVE_STATVFS) || !defined(HAVE_FSTATVFS)
#include <sys/param.h>
#ifdef HAVE_SYS_MOUNT_H
# include <sys/mount.h>
#endif
#include <errno.h>
static void
copy_statfs_to_statvfs(struct statvfs *to, struct statfs *from)
{
to->f_bsize = from->f_bsize;
to->f_frsize = from->f_bsize; /* no exact equivalent */
to->f_blocks = from->f_blocks;
to->f_bfree = from->f_bfree;
to->f_bavail = from->f_bavail;
to->f_files = from->f_files;
to->f_ffree = from->f_ffree;
to->f_favail = from->f_ffree; /* no exact equivalent */
to->f_fsid = 0; /* XXX fix me */
to->f_flag = from->f_flags;
to->f_namemax = MNAMELEN;
}
# ifndef HAVE_STATVFS
int statvfs(const char *path, struct statvfs *buf)
{
# ifdef HAVE_STATFS
struct statfs fs;
memset(&fs, 0, sizeof(fs));
if (statfs(path, &fs) == -1)
return -1;
copy_statfs_to_statvfs(buf, &fs);
return 0;
# else
errno = ENOSYS;
return -1;
# endif
}
# endif
# ifndef HAVE_FSTATVFS
int fstatvfs(int fd, struct statvfs *buf)
{
# ifdef HAVE_FSTATFS
struct statfs fs;
memset(&fs, 0, sizeof(fs));
if (fstatfs(fd, &fs) == -1)
return -1;
copy_statfs_to_statvfs(buf, &fs);
return 0;
# else
errno = ENOSYS;
return -1;
# endif
}
# endif
#endif
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