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Annotation of sys/dev/wscons/wsemulconf.c, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: wsemulconf.c,v 1.6 2006/12/09 20:06:48 miod 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: #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: #ifndef WSEMUL_NO_VT100
        !            50:        &wsemul_vt100_ops,
        !            51: #endif
        !            52: #ifdef WSEMUL_DUMB
        !            53:        &wsemul_dumb_ops,
        !            54: #endif
        !            55:        NULL
        !            56: };
        !            57:
        !            58: const struct wsemul_ops *
        !            59: wsemul_pick(name)
        !            60:        const char *name;
        !            61: {
        !            62:        const struct wsemul_ops **ops;
        !            63:
        !            64:        if (name == NULL || *name == '\0') {
        !            65:                /* default */
        !            66: #ifdef WSEMUL_DEFAULT
        !            67:                name = WSEMUL_DEFAULT;
        !            68: #else
        !            69:                return (wsemul_conf[0]);
        !            70: #endif
        !            71:        }
        !            72:
        !            73:        for (ops = &wsemul_conf[0]; *ops != NULL; ops++)
        !            74:                if (strncmp(name, (*ops)->name, WSEMUL_NAME_SIZE) == 0)
        !            75:                        break;
        !            76:
        !            77:        return (*ops);
        !            78: }