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 1.6 */
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 ** getfilter() - GET FILTER FROM FILTER TABLE
38 **/
39
40 FILTER *
41 #if defined(__STDC__)
getfilter(char * name)42 getfilter (
43 char * name
44 )
45 #else
46 getfilter (name)
47 char *name;
48 #endif
49 {
50 static _FILTER *pf = 0;
51
52 static FILTER flbuf;
53
54
55 if (!name || !*name) {
56 errno = EINVAL;
57 return (0);
58 }
59
60 /*
61 * Don't need to check for ENOENT, because if it is set,
62 * well that's what we want to return anyway!
63 */
64 if (!filters && get_and_load() == -1 /* && errno != ENOENT */ )
65 return (0);
66
67 if (STREQU(NAME_ALL, name))
68 if (pf) {
69 if (!(++pf)->name)
70 pf = 0;
71 } else
72 pf = filters;
73 else
74 pf = search_filter(name);
75
76 if (!pf || !pf->name) {
77 errno = ENOENT;
78 return (0);
79 }
80
81 flbuf.name = Strdup(pf->name);
82 flbuf.command = (pf->command? Strdup(pf->command) : 0);
83 flbuf.type = pf->type;
84 flbuf.printer_types = typel_to_sl(pf->printer_types);
85 flbuf.printers = duplist(pf->printers);
86 flbuf.input_types = typel_to_sl(pf->input_types);
87 flbuf.output_types = typel_to_sl(pf->output_types);
88 flbuf.templates = templatel_to_sl(pf->templates);
89
90 /*
91 * Make sure a subsequent ``all'' query starts getting
92 * filters from the beginning.
93 */
94 if (!STREQU(NAME_ALL, name))
95 pf = 0;
96
97 return (&flbuf);
98 }
99