1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 1993 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <sys/types.h>
30#include <sys/vfs.h>
31#include <sys/syscall.h>
32
33#define FSTYPSZ	16	/* array size for file system type name */
34
35struct statvfs {
36        u_long  f_bsize;        /* fundamental file system block size */
37        u_long  f_frsize;       /* fragment size */
38        u_long  f_blocks;       /* total # of blocks of f_frsize on fs */
39        u_long  f_bfree;        /* total # of free blocks of f_frsize */
40        u_long  f_bavail;       /* # of free blocks avail to non-superuser */
41        u_long  f_files;        /* total # of file nodes (inodes) */
42        u_long  f_ffree;        /* total # of free file nodes */
43        u_long  f_favail;       /* # of free nodes avail to non-superuser */
44        u_long  f_fsid;         /* file system id (dev for now) */
45        char    f_basetype[FSTYPSZ]; /* target fs type name, null-terminated */
46        u_long  f_flag;         /* bit-mask of flags */
47        u_long  f_namemax;      /* maximum file name length */
48        char    f_fstr[32];     /* filesystem-specific string */
49        u_long  f_filler[16];   /* reserved for future expansion */
50};
51
52void	cpstatvfs(struct statfs *, struct statvfs *);
53
54int
55statfs_com(char *s, struct statfs *b)
56{
57	int    ret;
58	struct statvfs vfsb;
59
60	if ((ret = _syscall(SYS_statvfs, s, &vfsb)) == 0) {
61		cpstatvfs(b, &vfsb);
62	}
63	return(ret);
64}
65
66int
67fstatfs(int fd, struct statfs *b)
68{
69	int    ret;
70	struct statvfs vfsb;
71
72	if ((ret = _syscall(SYS_fstatvfs,fd, &vfsb)) == 0) {
73		cpstatvfs(b, &vfsb);
74	}
75	return(ret);
76}
77
78/*
79 * Common code to copy vfs buf to BSD style buf
80 */
81void
82cpstatvfs(struct statfs *bsdbuf, struct statvfs *vbuf)
83{
84	bsdbuf->f_type = (long) 0;  		/* type of info, zero for now */
85	bsdbuf->f_bsize = (vbuf->f_frsize != 0) ?
86	    (long) vbuf->f_frsize: (long) vbuf->f_bsize;
87	bsdbuf->f_blocks = (long) vbuf->f_blocks;
88	bsdbuf->f_bfree = (long) vbuf->f_bfree;
89	bsdbuf->f_bavail = (long) vbuf->f_bavail;
90	bsdbuf->f_files = (long) vbuf->f_files;
91	bsdbuf->f_ffree = (long) vbuf->f_ffree;
92	bsdbuf->f_fsid.val[0] = vbuf->f_fsid;
93	bsdbuf->f_fsid.val[1] = 0;
94}
95