1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 *
22 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 /* All Rights Reserved */
28
29 #pragma ident "%Z%%M% %I% %E% SMI"
30 /* LINTLIBRARY */
31
32 #if defined(__STDC__)
33 #include "stdarg.h"
34 #else
35 #include "varargs.h"
36 #endif
37
38 #include "string.h"
39 #include "errno.h"
40 #include "stdlib.h"
41
42 #include "lp.h"
43
44 /**
45 ** makepath() - CREATE PATHNAME FROM COMPONENTS
46 **/
47
48 /*VARARGS1*/
49 char *
50 #if defined(__STDC__)
makepath(char * s,...)51 makepath (
52 char * s,
53 ...
54 )
55 #else
56 makepath (s, va_alist)
57 char * s;
58 va_dcl
59 #endif
60 {
61 va_list ap;
62
63 register char *component,
64 *p,
65 *q;
66
67 register int len;
68
69 char *ret;
70
71
72 #if defined(__STDC__)
73 va_start (ap, s);
74 #else
75 va_start (ap);
76 #endif
77
78 for (len = strlen(s) + 1; (component = va_arg(ap, char *)); )
79 len += strlen(component) + 1;
80
81 va_end (ap);
82
83 if (!len) {
84 errno = 0;
85 return (0);
86 }
87
88 if (!(ret = Malloc(len))) {
89 errno = ENOMEM;
90 return (0);
91 }
92
93 #if defined(__STDC__)
94 va_start (ap, s);
95 #else
96 va_start (ap);
97 #endif
98
99 for (
100 p = ret, component = s;
101 component;
102 component = va_arg(ap, char *)
103 ) {
104 for (q = component; *q; )
105 *p++ = *q++;
106 *p++ = '/';
107 }
108 p[-1] = 0;
109
110 va_end (ap);
111
112 return (ret);
113 }
114