xref: /illumos-gate/usr/src/uts/common/sys/strmdep.h (revision c7a0678d)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1997-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved	*/
29 
30 
31 #ifndef _SYS_STRMDEP_H
32 #define	_SYS_STRMDEP_H
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * This file contains all machine-dependent declarations
40  * in STREAMS.
41  */
42 
43 /*
44  * Copy data from one data buffer to another.
45  * The addresses must be word aligned - if not, use bcopy!
46  */
47 #define	strbcpy(s, d, c)	bcopy(s, d, c)
48 
49 /*
50  * save the address of the calling function on the 3b2 to
51  * enable tracking of who is allocating message blocks
52  */
53 #define	saveaddr(funcp)
54 
55 /*
56  * macro to check pointer alignment
57  * (true if alignment is sufficient for worst case)
58  */
59 #define	str_aligned(X)	(((ulong_t)(X) & (sizeof (long) - 1)) == 0)
60 
61 #ifdef	__cplusplus
62 }
63 #endif
64 
65 #endif	/* _SYS_STRMDEP_H */
66