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wsemulconf.c revision 1.6 
      1 /* $NetBSD: wsemulconf.c,v 1.6 2004/07/28 12:34:05 jmmv Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1996, 1997 Christopher G. Demetriou.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Christopher G. Demetriou
     17  *	for the NetBSD Project.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: wsemulconf.c,v 1.6 2004/07/28 12:34:05 jmmv Exp $");
     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>		/* pulls in opt_wsemul.h */
     43 #include <dev/wscons/wscons_callbacks.h>
     44 
     45 static const struct wsemul_ops *wsemul_conf[] = {
     46 #ifdef WSEMUL_SUN
     47 	&wsemul_sun_ops,
     48 #endif
     49 #ifdef WSEMUL_VT100
     50 	&wsemul_vt100_ops,
     51 #endif
     52 #ifndef WSEMUL_NO_DUMB
     53 	&wsemul_dumb_ops,
     54 #endif
     55 	NULL
     56 };
     57 
     58 const struct wsemul_ops *
     59 wsemul_pick(const char *name)
     60 {
     61 	const struct wsemul_ops **ops;
     62 
     63 	if (name == NULL) {
     64 		/* default */
     65 #ifdef WSEMUL_DEFAULT
     66 		name = WSEMUL_DEFAULT;
     67 #else
     68 		return (wsemul_conf[0]);
     69 #endif
     70 	}
     71 
     72 	for (ops = &wsemul_conf[0]; *ops != NULL; ops++)
     73 		if (strcmp(name, (*ops)->name) == 0)
     74 			break;
     75 
     76 	return (*ops);
     77 }
     78