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/*-
* Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $Id: ua.h,v 1.1 1998/09/04 18:26:00 brian Exp $
*/
#ifdef __i386__ /* Do any other archs not care about alignment ? */
# define ua_htonl(src, tgt) (*(u_int32_t *)(tgt) = htonl(*(u_int32_t *)(src)))
# define ua_ntohl(src, tgt) (*(u_int32_t *)(tgt) = ntohl(*(u_int32_t *)(src)))
# define ua_htons(src, tgt) (*(u_int16_t *)(tgt) = htons(*(u_int16_t *)(src)))
# define ua_ntohs(src, tgt) (*(u_int16_t *)(tgt) = ntohs(*(u_int16_t *)(src)))
#else /* We care about alignment (or else drop a core !) */
# define ua_htonl(src, tgt) \
do { \
u_int32_t __oh; \
memcpy(&__oh, (src), sizeof __oh); \
*(u_char *)(tgt) = __oh >> 24; \
*((u_char *)(tgt) + 1) = (__oh >> 16) & 0xff; \
*((u_char *)(tgt) + 2) = (__oh >> 8) & 0xff; \
*((u_char *)(tgt) + 3) = __oh & 0xff; \
} while (0)
# define ua_ntohl(src, tgt) \
do { \
u_int32_t __nh; \
__nh = ((u_int32_t)*(u_char *)(src) << 24) | \
((u_int32_t)*((u_char *)(src) + 1) << 16) | \
((u_int32_t)*((u_char *)(src) + 2) << 8) | \
(u_int32_t)*((u_char *)(src) + 3); \
memcpy((tgt), &__nh, sizeof __nh); \
} while (0)
# define ua_htons(src, tgt) \
do { \
u_int16_t __oh; \
memcpy(&__oh, (src), sizeof __oh); \
*(u_char *)(tgt) = __oh >> 8; \
*((u_char *)(tgt) + 1) = __oh & 0xff; \
} while (0)
# define ua_ntohs(src, tgt) \
do { \
u_int16_t __nh; \
__nh = ((u_int16_t)*(u_char *)(src) << 8) | \
(u_int16_t)*((u_char *)(src) + 1); \
memcpy((tgt), &__nh, sizeof __nh); \
} while (0)
#endif
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