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