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path: root/hw/kdrive/src/kinfo.c
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/*
 * Id: kinfo.c,v 1.1 1999/11/02 03:54:46 keithp Exp $
 *
 * Copyright © 1999 Keith Packard
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Keith Packard not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Keith Packard makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
/* $XFree86: xc/programs/Xserver/hw/kdrive/kinfo.c,v 1.2 2000/02/23 20:29:53 dawes Exp $ */

#include "kdrive.h"

KdCardInfo  *kdCardInfo;

KdCardInfo *
KdCardInfoAdd (KdCardFuncs  *funcs,
	       KdCardAttr   *attr,
	       void	    *closure)
{
    KdCardInfo	*ci, **prev;

    ci = (KdCardInfo *) xalloc (sizeof (KdCardInfo));
    if (!ci)
	return 0;
    bzero (ci, sizeof (KdCardInfo));
    for (prev = &kdCardInfo; *prev; prev = &(*prev)->next);
    *prev = ci;
    ci->cfuncs = funcs;
    ci->attr = *attr;
    ci->closure = closure;
    ci->screenList = 0;
    ci->selected = 0;
    ci->next = 0;
    return ci;
}

KdCardInfo *
KdCardInfoLast (void)
{
    KdCardInfo	*ci;

    if (!kdCardInfo)
	return 0;
    for (ci = kdCardInfo; ci->next; ci = ci->next);
    return ci;
}

void
KdCardInfoDispose (KdCardInfo *ci)
{
    KdCardInfo	**prev;

    for (prev = &kdCardInfo; *prev; prev = &(*prev)->next)
	if (*prev == ci)
	{
	    *prev = ci->next;
	    xfree (ci);
	    break;
	}
}

KdScreenInfo *
KdScreenInfoAdd (KdCardInfo *ci)
{
    KdScreenInfo    *si, **prev;
    int		    n;

    si = (KdScreenInfo *) xalloc (sizeof (KdScreenInfo));
    if (!si)
	return 0;
    bzero (si, sizeof (KdScreenInfo));
    for (prev = &ci->screenList, n = 0; *prev; prev = &(*prev)->next, n++);
    *prev = si;
    si->next = 0;
    si->card = ci;
    si->mynum = n;
    return si;
}

void
KdScreenInfoDispose (KdScreenInfo *si)
{
    KdCardInfo	    *ci = si->card;
    KdScreenInfo    **prev;

    for (prev = &ci->screenList; *prev; prev = &(*prev)->next)
	if (*prev == si)
	{
	    *prev = si->next;
	    xfree (si);
	    if (!ci->screenList)
		KdCardInfoDispose (ci);
	    break;
	}
}

KdMouseInfo *kdMouseInfo;

KdMouseInfo *
KdMouseInfoAdd (void)
{
    KdMouseInfo	*mi, **prev;

    mi = (KdMouseInfo *) xalloc (sizeof (KdMouseInfo));
    if (!mi)
	return 0;
    bzero (mi, sizeof (KdMouseInfo));
    for (prev = &kdMouseInfo; *prev; prev = &(*prev)->next);
    *prev = mi;
    return mi;
}

void
KdMouseInfoDispose (KdMouseInfo *mi)
{
    KdMouseInfo	**prev;

    for (prev = &kdMouseInfo; *prev; prev = &(*prev)->next)
	if (*prev == mi)
	{
	    *prev = mi->next;
	    if (mi->name)
		xfree (mi->name);
	    if (mi->prot)
		xfree (mi->prot);
	    xfree (mi);
	    break;
	}
}