xref: /titanic_51/usr/src/lib/libast/common/string/fmtmode.c (revision 8fd04b8338ed5093ec2d1e668fa620b7de44c177)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2009 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 /*
24  * Glenn Fowler
25  * AT&T Bell Laboratories
26  *
27  * return ls -l style file mode string given file mode bits
28  * if external!=0 then mode is modex canonical
29  */
30 
31 #include "modelib.h"
32 
33 char*
34 fmtmode(register int mode, int external)
35 {
36 	register char*		s;
37 	register struct modeop*	p;
38 	char*			buf;
39 
40 	if (!external)
41 		mode = modex(mode);
42 	s = buf = fmtbuf(MODELEN + 1);
43 	for (p = modetab; p < &modetab[MODELEN]; p++)
44 		*s++ = p->name[((mode & p->mask1) >> p->shift1) | ((mode & p->mask2) >> p->shift2)];
45 	*s = 0;
46 	return buf;
47 }
48