1*4887Schin /***********************************************************************
2*4887Schin *                                                                      *
3*4887Schin *               This software is part of the ast package               *
4*4887Schin *           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
5*4887Schin *                      and is licensed under the                       *
6*4887Schin *                  Common Public License, Version 1.0                  *
7*4887Schin *                      by AT&T Knowledge Ventures                      *
8*4887Schin *                                                                      *
9*4887Schin *                A copy of the License is available at                 *
10*4887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11*4887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*4887Schin *                                                                      *
13*4887Schin *              Information and Software Systems Research               *
14*4887Schin *                            AT&T Research                             *
15*4887Schin *                           Florham Park NJ                            *
16*4887Schin *                                                                      *
17*4887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
18*4887Schin *                  David Korn <dgk@research.att.com>                   *
19*4887Schin *                   Phong Vo <kpv@research.att.com>                    *
20*4887Schin *                                                                      *
21*4887Schin ***********************************************************************/
22*4887Schin #pragma prototyped
23*4887Schin /*
24*4887Schin  * G. S. Fowler
25*4887Schin  * AT&T Bell Laboratories
26*4887Schin  *
27*4887Schin  * return modex canonical representation of file mode bits
28*4887Schin  * given ls -l style file mode string
29*4887Schin  */
30*4887Schin 
31*4887Schin #include "modelib.h"
32*4887Schin 
33*4887Schin int
34*4887Schin strmode(register const char* s)
35*4887Schin {
36*4887Schin 	register int		c;
37*4887Schin 	register char*		t;
38*4887Schin 	register struct modeop*	p;
39*4887Schin 	int			mode;
40*4887Schin 
41*4887Schin 	mode = 0;
42*4887Schin 	for (p = modetab; (c = *s++) && p < &modetab[MODELEN]; p++)
43*4887Schin 		for (t = p->name; *t; t++)
44*4887Schin 			if (*t == c)
45*4887Schin 			{
46*4887Schin 				c = t - p->name;
47*4887Schin 				mode |= (p->mask1 & (c << p->shift1)) | (p->mask2 & (c << p->shift2));
48*4887Schin 				break;
49*4887Schin 			}
50*4887Schin 	return(mode);
51*4887Schin }
52