xref: /illumos-gate/usr/src/cmd/lp/lib/printers/default.c (revision 20a7641f9918de8574b8b3b47dbe35c4bfc78df1)
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 1997 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 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
31 
32 #include "stdio.h"
33 #include "stdlib.h"
34 
35 #include "lp.h"
36 
37 /**
38  ** getdefault() - READ THE NAME OF THE DEFAULT DESTINATION FROM DISK
39  **/
40 
41 char *
42 getdefault(void)
43 {
44 	return (loadline(Lp_Default));
45 }
46 
47 /**
48  ** putdefault() - WRITE THE NAME OF THE DEFAULT DESTINATION TO DISK
49  **/
50 
51 int
52 putdefault(char *dflt)
53 {
54 	int fd;
55 
56 	if (!dflt || !*dflt)
57 		return (deldefault());
58 
59 	if ((fd = open_locked(Lp_Default, "w", MODE_READ)) < 0)
60 		return (-1);
61 
62 	fdprintf(fd, "%s\n", dflt);
63 
64 	close(fd);
65 	return (0);
66 }
67 
68 /**
69  ** deldefault() - REMOVE THE NAME OF THE DEFAULT DESTINATION
70  **/
71 
72 int
73 deldefault(void)
74 {
75 	return (rmfile(Lp_Default));
76 }
77