63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* $NetBSD: bswap.h,v 1.3 2016/01/31 18:57:29 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2009 Izumi Tsutsui. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#ifndef BYTE_ORDER
|
|
#ifdef WORDS_BIGENDIAN
|
|
#define BYTE_ORDER BIG_ENDIAN
|
|
#else
|
|
#define BYTE_ORDER LITTLE_ENDIAN
|
|
#endif
|
|
#endif
|
|
#else
|
|
#include <sys/endian.h>
|
|
#endif
|
|
|
|
#if !defined(NATIVELABEL_ONLY)
|
|
extern int bswap_p;
|
|
extern u_int maxpartitions;
|
|
|
|
#define htotarget16(x) (bswap_p ? bswap16(x) : (x))
|
|
#define target16toh(x) (bswap_p ? bswap16(x) : (x))
|
|
#define htotarget32(x) (bswap_p ? bswap32(x) : (x))
|
|
#define target32toh(x) (bswap_p ? bswap32(x) : (x))
|
|
|
|
void htotargetlabel(struct disklabel *, const struct disklabel *);
|
|
void targettohlabel(struct disklabel *, const struct disklabel *);
|
|
uint16_t dkcksum_target(struct disklabel *);
|
|
#else
|
|
#define htotarget16(x) (x)
|
|
#define target16toh(x) (x)
|
|
#define htotarget32(x) (x)
|
|
#define target32toh(x) (x)
|
|
|
|
#define htotargetlabel(dl, sl) do { *(dl) = *(sl); } while (0)
|
|
#define targettohlabel(dl, sl) do { *(dl) = *(sl); } while (0)
|
|
#define dkcksum_target(label) dkcksum(label)
|
|
#endif /* !NATIVELABEL_ONLY */
|