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 /*
23 * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #include <stdio.h>
34 #include <string.h>
35 #include <errno.h>
36 #include <limits.h>
37 #include <sys/types.h>
38 #include <stdlib.h>
39 #include <libintl.h>
40
41 #include "lp.h"
42 #include "class.h"
43 #include "printers.h"
44 #include "msgs.h"
45
46 char **
pick_opts(char * infile_opts,char ** new_opts)47 pick_opts(char * infile_opts, char ** new_opts)
48 {
49 char * flasts = NULL;
50 char * old_opt;
51 char ** final_opts = NULL;
52 int key_len;
53 int keyfound = 0;
54 char ** head;
55
56 if (infile_opts == NULL || new_opts == NULL) {
57 (void) printf("lpadmin error: Cannot process -o options");
58 return (NULL);
59 }
60
61 head = new_opts;
62 for (; *new_opts != NULL; new_opts++) {
63 if (strlen(*new_opts) > (strcspn(*new_opts, "=") + 1)) {
64 if ((addlist(&final_opts, *new_opts)) != 0) {
65 fprintf(stderr,
66 gettext("lpadmin: System Error %d\n"),
67 errno);
68
69 return (NULL);
70 }
71 }
72 }
73 /*
74 * For each currently set option, ie, those already in the file,
75 * compare to new list from lpadmin (new_opts).
76 */
77 for (old_opt = strtok_r(infile_opts, LP_SEP, &flasts);
78 old_opt != NULL; old_opt = strtok_r(NULL, LP_SEP, &flasts)) {
79
80 keyfound = 0;
81
82 for (new_opts = head; *new_opts != NULL; new_opts++) {
83
84 key_len = strcspn(*new_opts, "=");
85 /*
86 * if the keys match, and the the key from the
87 * lpadmin -o has a value, take the new value from
88 * lpadmin
89 */
90 if ((strncmp(old_opt, *new_opts, key_len + 1)) == 0) {
91 keyfound++;
92 }
93 }
94 if (keyfound == 0) {
95 if ((addlist(&final_opts, old_opt)) != 0) {
96 fprintf(stderr,
97 gettext("lpadmin: System Error %d\n"),
98 errno);
99
100 return (NULL);
101 }
102 }
103
104 }
105
106 return (final_opts);
107 }
108