NetBSD/sys/lib/libkern/htons.c

/*	$NetBSD: htons.c,v 1.10 2001/08/22 07:42:08 itojun Exp $	*/

/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Public domain.
 */

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: htons.c,v 1.10 2001/08/22 07:42:08 itojun Exp $");
#endif

#include <sys/types.h>

#undef htons

uint16_t
htons(x)
	uint16_t x;
{
#if BYTE_ORDER == LITTLE_ENDIAN
	u_char *s = (u_char *) &x;
	return (uint16_t)(s[0] << 8 | s[1]);
#else
	return x;
#endif
}
sync argument/return type of [hn]to[nh][ls] to XNET 5.2 (uint{16,32}_t). as discussed on tech-net. 2001-08-22 11:42:07 +04:00			`/* $NetBSD: htons.c,v 1.10 2001/08/22 07:42:08 itojun Exp $ */`
Update from libc. 1995-10-07 12:26:14 +03:00
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00			`/*`
Update from libc. 1995-10-07 12:26:14 +03:00			`* Written by J.T. Conklin <jtc@netbsd.org>.`
			`* Public domain.`
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00			`*/`

sync with libc 1998-03-27 04:29:58 +03:00			`#include <sys/cdefs.h>`
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00			`#if defined(LIBC_SCCS) && !defined(lint)`
sync argument/return type of [hn]to[nh][ls] to XNET 5.2 (uint{16,32}_t). as discussed on tech-net. 2001-08-22 11:42:07 +04:00			`__RCSID("$NetBSD: htons.c,v 1.10 2001/08/22 07:42:08 itojun Exp $");`
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00			`#endif`

from libc 1995-01-06 03:10:05 +03:00			`#include <sys/types.h>`
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00
			`#undef htons`

sync argument/return type of [hn]to[nh][ls] to XNET 5.2 (uint{16,32}_t). as discussed on tech-net. 2001-08-22 11:42:07 +04:00			`uint16_t`
from libc 1995-01-06 03:10:05 +03:00			`htons(x)`
sync argument/return type of [hn]to[nh][ls] to XNET 5.2 (uint{16,32}_t). as discussed on tech-net. 2001-08-22 11:42:07 +04:00			`uint16_t x;`
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00			`{`
			`#if BYTE_ORDER == LITTLE_ENDIAN`
from libc 1995-01-06 03:10:05 +03:00			`u_char s = (u_char ) &x;`
sync argument/return type of [hn]to[nh][ls] to XNET 5.2 (uint{16,32}_t). as discussed on tech-net. 2001-08-22 11:42:07 +04:00			`return (uint16_t)(s[0] << 8 \| s[1]);`
Did a ``make copy-to-libkern'' from libc to copy libc files to libkern. Checking them in to make people happy. 1993-10-28 01:00:42 +03:00			`#else`
			`return x;`
			`#endif`
			`}`