sys/dev/wscons/wsemulconf.c

   1 /* $NetBSD: wsemulconf.c,v 1.5.18.3 2004/09/21 13:34:29 skrll 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 1.5.18.3 2004/09/21 13:34:29 skrll 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 }