xref: /titanic_51/usr/src/lib/libast/common/string/modei.c (revision 3e14f97f673e8a630f076077de35afdd43dc1587)
1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin *                                                                      *
3da2e3ebdSchin *               This software is part of the ast package               *
4*3e14f97fSRoger A. Faulkner *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
5da2e3ebdSchin *                      and is licensed under the                       *
6da2e3ebdSchin *                  Common Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
8da2e3ebdSchin *                                                                      *
9da2e3ebdSchin *                A copy of the License is available at                 *
10da2e3ebdSchin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11da2e3ebdSchin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12da2e3ebdSchin *                                                                      *
13da2e3ebdSchin *              Information and Software Systems Research               *
14da2e3ebdSchin *                            AT&T Research                             *
15da2e3ebdSchin *                           Florham Park NJ                            *
16da2e3ebdSchin *                                                                      *
17da2e3ebdSchin *                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebdSchin *                  David Korn <dgk@research.att.com>                   *
19da2e3ebdSchin *                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebdSchin *                                                                      *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #pragma prototyped
23da2e3ebdSchin /*
24da2e3ebdSchin  * Glenn Fowler
25da2e3ebdSchin  * AT&T Bell Laboratories
26da2e3ebdSchin  *
27da2e3ebdSchin  * mode_t representation support
28da2e3ebdSchin  */
29da2e3ebdSchin 
30da2e3ebdSchin #include "modelib.h"
31da2e3ebdSchin 
32da2e3ebdSchin /*
33da2e3ebdSchin  * convert external mode to internal
34da2e3ebdSchin  *
35da2e3ebdSchin  * NOTE: X_IFMT ignored
36da2e3ebdSchin  */
37da2e3ebdSchin 
38da2e3ebdSchin #undef	modei
39da2e3ebdSchin 
40da2e3ebdSchin int
modei(register int x)41da2e3ebdSchin modei(register int x)
42da2e3ebdSchin {
43da2e3ebdSchin #if _S_IDPERM
44da2e3ebdSchin 	return(x & X_IPERM);
45da2e3ebdSchin #else
46da2e3ebdSchin 	register int	i;
47da2e3ebdSchin 	register int	c;
48da2e3ebdSchin 
49da2e3ebdSchin 	i = 0;
50da2e3ebdSchin 	for (c = 0; c < PERMLEN; c += 2)
51da2e3ebdSchin 		if (x & permmap[c + 1])
52da2e3ebdSchin 			i |= permmap[c];
53da2e3ebdSchin 	return(i);
54da2e3ebdSchin #endif
55da2e3ebdSchin }
56