75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#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
|