xref: /netbsd-src/sys/compat/linux/common/linux_util.h (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: linux_util.h,v 1.5 1995/06/24 20:20:42 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1994 Christos Zoulas
5  * Copyright (c) 1995 Frank van der Linden
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  */
31 
32 #ifndef	_LINUX_UTIL_H_
33 #define	_LINUX_UTIL_H_
34 
35 #include <compat/common/compat_util.h>
36 
37 #define cvtto_linux_mask(flags,bmask,lmask) (((flags) & bmask) ? lmask : 0)
38 #define cvtto_bsd_mask(flags,lmask,bmask) (((flags) & lmask) ? bmask : 0)
39 
40 extern const char linux_emul_path[];
41 
42 #define LINUX_CHECK_ALT_EXIST(p, sgp, path) \
43     CHECK_ALT_EXIST(p, sgp, linux_emul_path, path)
44 
45 #define LINUX_CHECK_ALT_CREAT(p, sgp, path) \
46     CHECK_ALT_CREAT(p, sgp, linux_emul_path, path)
47 
48 #endif /* !_LINUX_UTIL_H_ */
49