xref: /openbsd/sys/dev/wscons/wsemulconf.c (revision c2a7d3f2)
1 /* $OpenBSD: wsemulconf.c,v 1.10 2020/05/10 20:50:55 kettenis Exp $ */
2 /* $NetBSD: wsemulconf.c,v 1.4 2000/01/05 11:19:37 drochner Exp $ */
3 
4 /*
5  * Copyright (c) 1996, 1997 Christopher G. Demetriou.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Christopher G. Demetriou
18  *	for the NetBSD Project.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "wsdisplay.h"
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 
39 #include <dev/wscons/wsconsio.h>
40 #include <dev/wscons/wsdisplayvar.h>
41 #include <dev/wscons/wsksymvar.h>
42 #include <dev/wscons/wsemulvar.h>
43 
44 static const struct wsemul_ops *wsemul_conf[] = {
45 #ifdef WSEMUL_SUN
46 	&wsemul_sun_ops,
47 #endif
48 #ifndef WSEMUL_NO_VT100
49 	&wsemul_vt100_ops,
50 #endif
51 #ifdef WSEMUL_DUMB
52 	&wsemul_dumb_ops,
53 #endif
54 	NULL
55 };
56 
57 const struct wsemul_ops *
wsemul_pick(const char * name)58 wsemul_pick(const char *name)
59 {
60 	const struct wsemul_ops **ops;
61 
62 	if (name == NULL || *name == '\0') {
63 		/* default */
64 #ifdef WSEMUL_DEFAULT
65 		name = WSEMUL_DEFAULT;
66 #else
67 		return (wsemul_conf[0]);
68 #endif
69 	}
70 
71 	for (ops = &wsemul_conf[0]; *ops != NULL; ops++)
72 		if (strncmp(name, (*ops)->name, WSEMUL_NAME_SIZE) == 0)
73 			break;
74 
75 	return (*ops);
76 }
77 
78 const char *
wsemul_getname(int idx)79 wsemul_getname(int idx)
80 {
81 	if (idx < 0 || idx >= nitems(wsemul_conf) - 1)
82 		return (NULL);
83 	return (wsemul_conf[idx]->name);
84 }
85