xref: /illumos-gate/usr/src/lib/libc/i386/gen/byteorder64.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/isa_defs.h>
28 #include <sys/types.h>
29 #include <netinet/in.h>
30 #include <inttypes.h>
31 
32 #if (defined(_BIG_ENDIAN) || defined(_LP64)) && !defined(__lint)
33 
34 #error	Use ISA-dependent byteorder64.c only on a 32-bit little-endian machine.
35 
36 #else
37 
38 uint64_t
39 htonll(uint64_t in)
40 {
41 	return (htonl(in >> 32) | ((uint64_t)htonl(in) << 32));
42 }
43 
44 uint64_t
45 ntohll(uint64_t in)
46 {
47 	return (ntohl(in >> 32) | (uint64_t)ntohl(in) << 32);
48 }
49 
50 #endif	/* (_BIG_ENDIAN) || _LP64) && !__lint */
51