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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <netinet/in.h>
/*
* htonll(), ntohll(), htonl(), ntohl(), htons(), ntohs()
*
* On little endian machines these functions reverse the byte order of the
* input parameter and returns the result. This is to convert the byte order
* from host byte order (little endian) to network byte order (big endian),
* or vice versa.
*
* On big endian machines these functions just return the input parameter,
* as the host byte order is the same as the network byte order (big endian).
*/
#ifdef _LITTLE_ENDIAN
uint64_t
htonll(uint64_t in)
{
return ((uint64_t)htonl((in >> 32) & 0xffffffff) |
((uint64_t)htonl(in & 0xffffffff) << 32));
}
uint64_t
ntohll(uint64_t in)
{
return ((uint64_t)ntohl((in >> 32) & 0xffffffff) |
((uint64_t)ntohl(in & 0xffffffff) << 32));
}
uint32_t
htonl(uint32_t in)
{
uint32_t i;
i = (uint32_t)((in & (uint32_t)0xff000000) >> 24) +
(uint32_t)((in & (uint32_t)0x00ff0000) >> 8) +
(uint32_t)((in & (uint32_t)0x0000ff00) << 8) +
(uint32_t)((in & (uint32_t)0x000000ff) << 24);
return (i);
}
uint32_t
ntohl(uint32_t in)
{
return (htonl(in));
}
uint16_t
htons(uint16_t in)
{
register int arg = (int)in;
uint16_t i;
i = (uint16_t)(((arg & 0xff00) >> 8) & 0xff);
i |= (uint16_t)((arg & 0xff) << 8);
return ((uint16_t)i);
}
uint16_t
ntohs(uint16_t in)
{
return (htons(in));
}
#else /* _LITTLE_ENDIAN */
#if defined(lint)
uint64_t
htonll(uint64_t in)
{
return (in);
}
uint64_t
ntohll(uint64_t in)
{
return (in);
}
uint32_t
htonl(uint32_t in)
{
return (in);
}
uint32_t
ntohl(uint32_t in)
{
return (in);
}
uint16_t
htons(uint16_t in)
{
return (in);
}
uint16_t
ntohs(uint16_t in)
{
return (in);
}
#endif /* lint */
#endif /* _LITTLE_ENDIAN */
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