1/*-
2 * Copyright (c) 2017 M. Warner Losh <imp@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28/*
29 * Forward compatibility shim to convert old stat buffer to
30 * new so we can call the old system call, but return data in
31 * the new system call's format.
32 */
33#define _WANT_FREEBSD11_STATFS
34#include <sys/fcntl.h>
35#include <sys/mount.h>
36
37#define _WANT_FREEBSD11_STAT
38#include <sys/stat.h>
39
40#include <string.h>
41
42#define INO64_FIRST 1200031
43
44static __inline void
45__stat11_to_stat(const struct freebsd11_stat *sb11, struct stat *sb)
46{
47
48	sb->st_dev = sb11->st_dev;
49	sb->st_ino = sb11->st_ino;
50	sb->st_nlink = sb11->st_nlink;
51	sb->st_mode = sb11->st_mode;
52	sb->st_uid = sb11->st_uid;
53	sb->st_gid = sb11->st_gid;
54	sb->st_rdev = sb11->st_rdev;
55	sb->st_atim = sb11->st_atim;
56	sb->st_mtim = sb11->st_mtim;
57	sb->st_ctim = sb11->st_ctim;
58#ifdef __STAT_TIME_T_EXT
59	sb->st_atim_ext = 0;
60	sb->st_mtim_ext = 0;
61	sb->st_ctim_ext = 0;
62	sb->st_btim_ext = 0;
63#endif
64	sb->st_birthtim = sb11->st_birthtim;
65	sb->st_size = sb11->st_size;
66	sb->st_blocks = sb11->st_blocks;
67	sb->st_blksize = sb11->st_blksize;
68	sb->st_flags = sb11->st_flags;
69	sb->st_gen = sb11->st_gen;
70	sb->st_padding0 = 0;
71	sb->st_padding1 = 0;
72	memset(sb->st_spare, 0, sizeof(sb->st_spare));
73}
74
75static __inline void
76__statfs11_to_statfs(const struct freebsd11_statfs *sf11, struct statfs *sf)
77{
78
79	sf->f_version = STATFS_VERSION;
80	sf->f_type = sf11->f_type;
81	sf->f_flags = sf11->f_flags;
82	sf->f_bsize = sf11->f_bsize;
83	sf->f_iosize = sf11->f_iosize;
84	sf->f_blocks = sf11->f_blocks;
85	sf->f_bfree = sf11->f_bfree;
86	sf->f_bavail = sf11->f_bavail;
87	sf->f_files = sf11->f_files;
88	sf->f_ffree = sf11->f_ffree;
89	sf->f_syncwrites = sf11->f_syncwrites;
90	sf->f_asyncwrites = sf11->f_asyncwrites;
91	sf->f_syncreads = sf11->f_syncreads;
92	sf->f_asyncreads = sf11->f_asyncreads;
93	sf->f_namemax = sf11->f_namemax;
94	sf->f_owner = sf11->f_owner;
95	sf->f_fsid = sf11->f_fsid;
96	memset(sf->f_spare, 0, sizeof(sf->f_spare));
97	memset(sf->f_charspare, 0, sizeof(sf->f_charspare));
98	strlcpy(sf->f_fstypename, sf11->f_fstypename, sizeof(sf->f_fstypename));
99	strlcpy(sf->f_mntfromname, sf11->f_mntfromname, sizeof(sf->f_mntfromname));
100	strlcpy(sf->f_mntonname, sf11->f_mntonname, sizeof(sf->f_mntonname));
101}
102