1/*	$NetBSD$	*/
2
3/*-
4 * Copyright (c) 2009 Izumi Tsutsui.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/types.h>
28
29#if HAVE_NBTOOL_CONFIG_H
30#ifndef BYTE_ORDER
31#ifdef WORDS_BIGENDIAN
32#define BYTE_ORDER		BIG_ENDIAN
33#else
34#define BYTE_ORDER		LITTLE_ENDIAN
35#endif
36#endif
37#endif
38
39#ifndef TARGET_BYTE_ORDER
40#define TARGET_BYTE_ORDER	BYTE_ORDER
41#endif
42
43#if TARGET_BYTE_ORDER != BYTE_ORDER
44#define htotarget16(x)		bswap16(x)
45#define target16toh(x)		bswap16(x)
46#define htotarget32(x)		bswap32(x)
47#define target32toh(x)		bswap32(x)
48#define dkcksum_target(lp)	dkcksum_re(lp)
49
50void htotargetlabel(struct disklabel *, struct disklabel *);
51void targettohlabel(struct disklabel *, struct disklabel *);
52uint16_t dkcksum_re(struct disklabel *);
53
54#else
55#define htotarget16(x)		(x)
56#define target16toh(x)		(x)
57#define htotarget32(x)		(x)
58#define target32toh(x)		(x)
59#define dkcksum_target(lp)	dkcksum(lp)
60#define htotargetlabel(tlp, hlp)					\
61	    do {*(tlp) = *(hlp);} while (/* CONSTCOND */0)
62#define targettohlabel(hlp, tlp)					\
63	    do {*(hlp) = *(tlp);} while (/* CONSTCOND */0)
64#endif
65