1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1990 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate /* created from scratch */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * getsubopt - parse suboptions from a flag argument.
32*0Sstevel@tonic-gate */
33*0Sstevel@tonic-gate #include <string.h>
34*0Sstevel@tonic-gate #include <stdio.h>
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate int
getsubopt(optionsp,tokens,valuep)37*0Sstevel@tonic-gate getsubopt(optionsp, tokens, valuep)
38*0Sstevel@tonic-gate char **optionsp;
39*0Sstevel@tonic-gate char *tokens[];
40*0Sstevel@tonic-gate char **valuep;
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate register char *s = *optionsp, *p;
43*0Sstevel@tonic-gate register int i, optlen;
44*0Sstevel@tonic-gate
45*0Sstevel@tonic-gate *valuep = NULL;
46*0Sstevel@tonic-gate if (*s == '\0')
47*0Sstevel@tonic-gate return (-1);
48*0Sstevel@tonic-gate p = strchr(s, ','); /* find next option */
49*0Sstevel@tonic-gate if (p == NULL) {
50*0Sstevel@tonic-gate p = s + strlen(s);
51*0Sstevel@tonic-gate } else {
52*0Sstevel@tonic-gate *p++ = '\0'; /* mark end and point to next */
53*0Sstevel@tonic-gate }
54*0Sstevel@tonic-gate *optionsp = p; /* point to next option */
55*0Sstevel@tonic-gate p = strchr(s, '='); /* find value */
56*0Sstevel@tonic-gate if (p == NULL) {
57*0Sstevel@tonic-gate optlen = strlen(s);
58*0Sstevel@tonic-gate *valuep = NULL;
59*0Sstevel@tonic-gate } else {
60*0Sstevel@tonic-gate optlen = p - s;
61*0Sstevel@tonic-gate *valuep = ++p;
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate for (i = 0; tokens[i] != NULL; i++) {
64*0Sstevel@tonic-gate if ((optlen == strlen(tokens[i])) &&
65*0Sstevel@tonic-gate (strncmp(s, tokens[i], optlen) == 0))
66*0Sstevel@tonic-gate return (i);
67*0Sstevel@tonic-gate }
68*0Sstevel@tonic-gate /* no match, point value at option and return error */
69*0Sstevel@tonic-gate *valuep = s;
70*0Sstevel@tonic-gate return (-1);
71*0Sstevel@tonic-gate }
72*0Sstevel@tonic-gate
73