xref: /titanic_41/usr/src/lib/libast/common/string/fmtdev.c (revision 0a47c91c895e274dd0990009919e30e984364a8b)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2010 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  * idevice() formatter
28  */
29 
30 #include <ast.h>
31 #include <ctype.h>
32 #include <ls.h>
33 
34 char*
35 fmtdev(struct stat* st)
36 {
37 	char*		buf;
38 	int		z;
39 
40 	unsigned int	ma = major(idevice(st));
41 	unsigned int	mi = minor(idevice(st));
42 
43 	buf = fmtbuf(z = 17);
44 	if (ma == '#' && isalnum(mi))
45 	{
46 		/*
47 		 * Plan? Nein!
48 		 */
49 
50 		buf[0] = ma;
51 		buf[1] = mi;
52 		buf[2] = 0;
53 	}
54 	else
55 		sfsprintf(buf, z, "%03d,%03d", ma, mi);
56 	return buf;
57 }
58