1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
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 
28 #include "univlib.h"
29 
30 /*
31  * create symbolic name from external representation text in buf
32  * the arg order matches link(2)
33  */
34 
35 int
pathsetlink(const char * buf,const char * name)36 pathsetlink(const char* buf, const char* name)
37 {
38 	register char*	t = (char*)buf;
39 #ifdef UNIV_MAX
40 	register char*	s = (char*)buf;
41 	register char*	v;
42 	int		n;
43 	char		tmp[PATH_MAX];
44 
45 	while (*s)
46 	{
47 		if (*s++ == univ_cond[0] && !strncmp(s - 1, univ_cond, univ_size))
48 		{
49 			s--;
50 			t = tmp;
51 			for (n = 0; n < UNIV_MAX; n++)
52 				if (*univ_name[n])
53 			{
54 				*t++ = ' ';
55 #ifdef ATT_UNIV
56 				*t++ = '1' + n;
57 				*t++ = ':';
58 #else
59 				for (v = univ_name[n]; *t = *v++; t++);
60 				*t++ = '%';
61 #endif
62 				for (v = (char*)buf; v < s; *t++ = *v++);
63 				for (v = univ_name[n]; *t = *v++; t++);
64 				for (v = s + univ_size; *t = *v++; t++);
65 			}
66 			t = tmp;
67 			break;
68 		}
69 	}
70 #endif
71 	return(symlink(t, name));
72 }
73