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 (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.7 */
27 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
28
29 #include "errno.h"
30 #include "string.h"
31 #include "stdlib.h"
32
33 #include "lp.h"
34 #include "filters.h"
35
36 /**
37 ** delfilter() - DELETE A FILTER FROM FILTER TABLE
38 **/
39
40 int
41 #if defined(__STDC__)
delfilter(char * name)42 delfilter (
43 char * name
44 )
45 #else
46 delfilter (name)
47 char *name;
48 #endif
49 {
50 register _FILTER *pf;
51
52
53 if (!name || !*name) {
54 errno = EINVAL;
55 return (-1);
56 }
57
58 if (STREQU(NAME_ALL, name)) {
59 trash_filters ();
60 goto Done;
61 }
62
63 /*
64 * Don't need to check for ENOENT, because if it is set,
65 * well that's what we want to return anyway!
66 */
67 if (!filters && get_and_load() == -1 /* && errno != ENOENT */ )
68 return (-1);
69
70 if (!(pf = search_filter(name))) {
71 errno = ENOENT;
72 return (-1);
73 }
74
75 free_filter (pf);
76 for (; pf->name; pf++)
77 *pf = *(pf+1);
78
79 nfilters--;
80 filters = (_FILTER *)Realloc(
81 (char *)filters, (nfilters + 1) * sizeof(_FILTER)
82 );
83 if (!filters) {
84 errno = ENOMEM;
85 return (-1);
86 }
87
88 /* filters[nfilters].name = 0; */ /* last for loop above did this */
89
90 Done: return (dumpfilters((char *)0));
91 }
92