xserver libXdmcp git update 16-12-2010

1 files changed, 895 insertions, 895 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Option.c b/xorg-server/hw/xfree86/common/xf86Option.c
index d7b294a86..16c27e5ee 100644
--- a/xorg-server/hw/xfree86/common/xf86Option.c
+++ b/xorg-server/hw/xfree86/common/xf86Option.c
@@ -1,895 +1,895 @@
-/*

- * Copyright (c) 1998-2003 by The XFree86 Project, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included in

- * all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

- * OTHER DEALINGS IN THE SOFTWARE.

- *

- * Except as contained in this notice, the name of the copyright holder(s)

- * and author(s) shall not be used in advertising or otherwise to promote

- * the sale, use or other dealings in this Software without prior written

- * authorization from the copyright holder(s) and author(s).

- */

-

-/*

- * Author: David Dawes <dawes@xfree86.org>

- *

- * This file includes public option handling functions.

- */

-

-#ifdef HAVE_XORG_CONFIG_H

-#include <xorg-config.h>

-#endif

-

-#include <stdlib.h>

-#include <ctype.h>

-#include <X11/X.h>

-#include "os.h"

-#include "xf86.h"

-#include "xf86Xinput.h"

-#include "xf86Optrec.h"

-#include "xf86Parser.h"

-

-static Bool ParseOptionValue(int scrnIndex, pointer options, OptionInfoPtr p,

-			     Bool markUsed);

-

-/*

- * xf86CollectOptions collects the options from each of the config file

- * sections used by the screen and puts the combined list in pScrn->options.

- * This function requires that the following have been initialised:

- *

- *	pScrn->confScreen

- *	pScrn->Entities[i]->device

- *	pScrn->display

- *	pScrn->monitor

- *

- * The extraOpts parameter may optionally contain a list of additional options

- * to include.

- *

- * The order of precedence for options is:

- *

- *   extraOpts, display, confScreen, monitor, device

- */

-

-void

-xf86CollectOptions(ScrnInfoPtr pScrn, pointer extraOpts)

-{

-    XF86OptionPtr tmp;

-    XF86OptionPtr extras = (XF86OptionPtr)extraOpts;

-    GDevPtr device;

-    

-    int i;

-

-    pScrn->options = NULL;

-

-    for (i=pScrn->numEntities - 1; i >= 0; i--) {

-	device = xf86GetDevFromEntity(pScrn->entityList[i],

-					pScrn->entityInstanceList[i]);

-	if (device && device->options) {

-	    tmp = xf86optionListDup(device->options);

-	    if (pScrn->options)

-		xf86optionListMerge(pScrn->options,tmp);

-	    else

-		pScrn->options = tmp;

-	}

-    }

-    if (pScrn->monitor->options) {

-	tmp = xf86optionListDup(pScrn->monitor->options);

-	if (pScrn->options)

-	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);

-	else

-	    pScrn->options = tmp;

-    }

-    if (pScrn->confScreen->options) {

-	tmp = xf86optionListDup(pScrn->confScreen->options);

-	if (pScrn->options)

-	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);

-	else

-	    pScrn->options = tmp;

-    }

-    if (pScrn->display->options) {

-	tmp = xf86optionListDup(pScrn->display->options);

-	if (pScrn->options)

-	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);

-	else

-	    pScrn->options = tmp;

-    }

-    if (extras) {

-	tmp = xf86optionListDup(extras);

-	if (pScrn->options)

-	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);

-	else

-	    pScrn->options = tmp;

-    }

-}

-

-/*

- * xf86CollectInputOptions collects extra options for an InputDevice (other

- * than those added by the config backend).

- * The options are merged into the existing ones and thus take precedence

- * over the others.

- */

-

-void

-xf86CollectInputOptions(InputInfoPtr pInfo, const char **defaultOpts)

-{

-    if (defaultOpts) {

-	XF86OptionPtr tmp =xf86optionListCreate(defaultOpts, -1, 0);

-	if (pInfo->options)

-	    pInfo->options = xf86optionListMerge(pInfo->options, tmp);

-	else

-	    pInfo->options = tmp;

-    }

-}

-

-/**

- * Duplicate the option list passed in. The returned pointer will be a newly

- * allocated option list and must be freed by the caller.

- */

-pointer

-xf86OptionListDuplicate(pointer options)

-{

-    pointer o = NULL;

-

-    while (options)

-    {

-        o = xf86AddNewOption(o, xf86OptionName(options), xf86OptionValue(options));

-        options = xf86nextOption(options);

-    }

-

-    return o;

-}

-

-

-/* Created for new XInput stuff -- essentially extensions to the parser	*/

-

-static int

-LookupIntOption(pointer optlist, const char *name, int deflt, Bool markUsed)

-{

-    OptionInfoRec o;

-

-    o.name = name;

-    o.type = OPTV_INTEGER;

-    if (ParseOptionValue(-1, optlist, &o, markUsed))

-	deflt = o.value.num;

-    return deflt;

-}

-

-

-static double

-LookupRealOption(pointer optlist, const char *name, double deflt,

-		 Bool markUsed)

-{

-    OptionInfoRec o;

-

-    o.name = name;

-    o.type = OPTV_REAL;

-    if (ParseOptionValue(-1, optlist, &o, markUsed))

-	deflt = o.value.realnum;

-    return deflt;

-}

-

-

-static char *

-LookupStrOption(pointer optlist, const char *name, char *deflt, Bool markUsed)

-{

-    OptionInfoRec o;

-

-    o.name = name;

-    o.type = OPTV_STRING;

-    if (ParseOptionValue(-1, optlist, &o, markUsed))

-        deflt = o.value.str;

-    if (deflt)

-	return strdup(deflt);

-    else

-	return NULL;

-}

-

-

-static int

-LookupBoolOption(pointer optlist, const char *name, int deflt, Bool markUsed)

-{

-    OptionInfoRec o;

-

-    o.name = name;

-    o.type = OPTV_BOOLEAN;

-    if (ParseOptionValue(-1, optlist, &o, markUsed))

-	deflt = o.value.bool;

-    return deflt;

-}

-

-static int

-LookupPercentOption(pointer optlist, const char *name, double deflt, Bool markUsed)

-{

-    OptionInfoRec o;

-

-    o.name = name;

-    o.type = OPTV_PERCENT;

-    if (ParseOptionValue(-1, optlist, &o, markUsed))

-	deflt = o.value.realnum;

-    return deflt;

-}

-

-/* These xf86Set* functions are intended for use by non-screen specific code */

-

-int

-xf86SetIntOption(pointer optlist, const char *name, int deflt)

-{

-    return LookupIntOption(optlist, name, deflt, TRUE);

-}

-

-

-double

-xf86SetRealOption(pointer optlist, const char *name, double deflt)

-{

-    return LookupRealOption(optlist, name, deflt, TRUE);

-}

-

-

-char *

-xf86SetStrOption(pointer optlist, const char *name, char *deflt)

-{

-    return LookupStrOption(optlist, name, deflt, TRUE);

-}

-

-

-int

-xf86SetBoolOption(pointer optlist, const char *name, int deflt)

-{

-    return LookupBoolOption(optlist, name, deflt, TRUE);

-}

-

-double

-xf86SetPercentOption(pointer optlist, const char *name, double deflt)

-{

-    return LookupPercentOption(optlist, name, deflt, TRUE);

-}

-

-/*

- * These are like the Set*Option functions, but they don't mark the options

- * as used.

- */

-int

-xf86CheckIntOption(pointer optlist, const char *name, int deflt)

-{

-    return LookupIntOption(optlist, name, deflt, FALSE);

-}

-

-

-double

-xf86CheckRealOption(pointer optlist, const char *name, double deflt)

-{

-    return LookupRealOption(optlist, name, deflt, FALSE);

-}

-

-

-char *

-xf86CheckStrOption(pointer optlist, const char *name, char *deflt)

-{

-    return LookupStrOption(optlist, name, deflt, FALSE);

-}

-

-

-int

-xf86CheckBoolOption(pointer optlist, const char *name, int deflt)

-{

-    return LookupBoolOption(optlist, name, deflt, FALSE);

-}

-

-

-double

-xf86CheckPercentOption(pointer optlist, const char *name, double deflt)

-{

-    return LookupPercentOption(optlist, name, deflt, FALSE);

-}

-/*

- * addNewOption() has the required property of replacing the option value

- * if the option is already present.

- */

-pointer

-xf86ReplaceIntOption(pointer optlist, const char *name, const int val)

-{

-    char tmp[16];

-    sprintf(tmp,"%i",val);

-    return xf86AddNewOption(optlist,name,tmp);

-}

-

-pointer

-xf86ReplaceRealOption(pointer optlist, const char *name, const double val)

-{

-    char tmp[32];

-    snprintf(tmp,32,"%f",val);

-    return xf86AddNewOption(optlist,name,tmp);

-}

-

-pointer

-xf86ReplaceBoolOption(pointer optlist, const char *name, const Bool val)

-{

-    return xf86AddNewOption(optlist,name,val?"True":"False");

-}

-

-pointer

-xf86ReplacePercentOption(pointer optlist, const char *name, const double val)

-{

-    char tmp[16];

-    sprintf(tmp, "%lf%%", val);

-    return xf86AddNewOption(optlist,name,tmp);

-}

-

-pointer

-xf86ReplaceStrOption(pointer optlist, const char *name, const char* val)

-{

-      return xf86AddNewOption(optlist,name,val);

-}

-

-pointer

-xf86AddNewOption(pointer head, const char *name, const char *val)

-{

-    /* XXX These should actually be allocated in the parser library. */

-    char *tmp = strdup(val);

-    char *tmp_name = strdup(name);

-

-    return xf86addNewOption(head, tmp_name, tmp);

-}

-

-

-pointer

-xf86NewOption(char *name, char *value)

-{

-    return xf86newOption(name, value);

-}

-

-

-pointer

-xf86NextOption(pointer list)

-{

-    return xf86nextOption(list);

-}

-

-pointer

-xf86OptionListCreate(const char **options, int count, int used)

-{

-	return xf86optionListCreate(options, count, used);

-}

-

-pointer

-xf86OptionListMerge(pointer head, pointer tail)

-{

-	return xf86optionListMerge(head, tail);

-}

-

-void

-xf86OptionListFree(pointer opt)

-{

-	xf86optionListFree(opt);

-}

-

-char *

-xf86OptionName(pointer opt)

-{

-	return xf86optionName(opt);

-}

-

-char *

-xf86OptionValue(pointer opt)

-{

-	return xf86optionValue(opt);

-}

-

-void

-xf86OptionListReport(pointer parm)

-{

-    XF86OptionPtr opts = parm;

-

-    while(opts) {

-	if (xf86optionValue(opts))

-	    xf86ErrorFVerb(5, "\tOption \"%s\" \"%s\"\n",

-			    xf86optionName(opts), xf86optionValue(opts));

-	else

-	    xf86ErrorFVerb( 5, "\tOption \"%s\"\n", xf86optionName(opts));

-	opts = xf86nextOption(opts);

-    }

-}

-

-/* End of XInput-caused section	*/

-

-pointer

-xf86FindOption(pointer options, const char *name)

-{

-    return xf86findOption(options, name);

-}

-

-

-char *

-xf86FindOptionValue(pointer options, const char *name)

-{

-    return xf86findOptionValue(options, name);

-}

-

-

-void

-xf86MarkOptionUsed(pointer option)

-{

-    if (option != NULL)

-	((XF86OptionPtr)option)->opt_used = TRUE;

-}

-

-

-void

-xf86MarkOptionUsedByName(pointer options, const char *name)

-{

-    XF86OptionPtr opt;

-

-    opt = xf86findOption(options, name);

-    if (opt != NULL)

-	opt->opt_used = TRUE;

-}

-

-Bool

-xf86CheckIfOptionUsed(pointer option)

-{

-    if (option != NULL)

-	return ((XF86OptionPtr)option)->opt_used;

-    else

-	return FALSE;

-}

-

-Bool

-xf86CheckIfOptionUsedByName(pointer options, const char *name)

-{

-    XF86OptionPtr opt;

-

-    opt = xf86findOption(options, name);

-    if (opt != NULL)

-	return opt->opt_used;

-    else

-	return FALSE;

-}

-

-void

-xf86ShowUnusedOptions(int scrnIndex, pointer options)

-{

-    XF86OptionPtr opt = options;

-

-    while (opt) {

-	if (opt->opt_name && !opt->opt_used) {

-	    xf86DrvMsg(scrnIndex, X_WARNING, "Option \"%s\" is not used\n",

-			opt->opt_name);

-	}

-	opt = opt->list.next;

-    }

-}

-

-

-static Bool

-GetBoolValue(OptionInfoPtr p, const char *s)

-{

-    return xf86getBoolValue(&p->value.bool, s);

-}

-

-static Bool

-ParseOptionValue(int scrnIndex, pointer options, OptionInfoPtr p,

-		 Bool markUsed)

-{

-    char *s, *end;

-    Bool wasUsed = FALSE;

-

-    if ((s = xf86findOptionValue(options, p->name)) != NULL) {

-	if (markUsed) {

-	    wasUsed = xf86CheckIfOptionUsedByName(options, p->name);

-	    xf86MarkOptionUsedByName(options, p->name);

-	}

-	switch (p->type) {

-	case OPTV_INTEGER:

-	    if (*s == '\0') {

-		xf86DrvMsg(scrnIndex, X_WARNING,

-			   "Option \"%s\" requires an integer value\n",

-			   p->name);

-		p->found = FALSE;

-	    } else {

-		p->value.num = strtoul(s, &end, 0);

-		if (*end == '\0') {

-		    p->found = TRUE;

-		} else {

-		    xf86DrvMsg(scrnIndex, X_WARNING,

-			       "Option \"%s\" requires an integer value\n",

-			        p->name);

-		    p->found = FALSE;

-		}

-	    }

-	    break;

-	case OPTV_STRING:

-	    if (*s == '\0') {

-		xf86DrvMsg(scrnIndex, X_WARNING,

-			   "Option \"%s\" requires an string value\n",

-			   p->name);

-		p->found = FALSE;

-	    } else {

-		p->value.str = s;

-		p->found = TRUE;

-	    }

-	    break;

-	case OPTV_ANYSTR:

-	    p->value.str = s;

-	    p->found = TRUE;

-	    break;

-	case OPTV_REAL:	

-	    if (*s == '\0') {

-		xf86DrvMsg(scrnIndex, X_WARNING,

-			   "Option \"%s\" requires a floating point value\n",

-			   p->name);

-		p->found = FALSE;

-	    } else {

-		p->value.realnum = strtod(s, &end);

-		if (*end == '\0') {

-		    p->found = TRUE;

-		} else {

-		    xf86DrvMsg(scrnIndex, X_WARNING,

-			    "Option \"%s\" requires a floating point value\n",

-			    p->name);

-		    p->found = FALSE;

-		}

-	    }

-	    break;

-	case OPTV_BOOLEAN:

-	    if (GetBoolValue(p, s)) {

-		p->found = TRUE;

-	    } else {

-		xf86DrvMsg(scrnIndex, X_WARNING,

-			   "Option \"%s\" requires a boolean value\n", p->name);

-		p->found = FALSE;

-	    }

-	    break;

-	case OPTV_PERCENT:

-	    {

-		char tmp = 0;

-		/* awkward match, but %% doesn't increase the match counter,

-		 * hence 100 looks the same as 100% to the caller of sccanf

-		 */

-		if (sscanf(s, "%lf%c", &p->value.realnum, &tmp) != 2 || tmp != '%') {

-		    xf86DrvMsg(scrnIndex, X_WARNING,

-			       "Option \"%s\" requires a percent value\n", p->name);

-		    p->found = FALSE;

-		} else {

-		    p->found = TRUE;

-		}

-	    }

-	    break;

-	case OPTV_FREQ:	

-	    if (*s == '\0') {

-		xf86DrvMsg(scrnIndex, X_WARNING,

-			   "Option \"%s\" requires a frequency value\n",

-			   p->name);

-		p->found = FALSE;

-	    } else {

-		double freq = strtod(s, &end);

-		int    units = 0;

-

-		if (end != s) {

-		    p->found = TRUE;

-		    if (!xf86NameCmp(end, "Hz"))

-			units = 1;

-		    else if (!xf86NameCmp(end, "kHz") ||

-			     !xf86NameCmp(end, "k"))

-			units = 1000;

-		    else if (!xf86NameCmp(end, "MHz") ||

-			     !xf86NameCmp(end, "M"))

-			units = 1000000;

-		    else {

-			xf86DrvMsg(scrnIndex, X_WARNING,

-			    "Option \"%s\" requires a frequency value\n",

-			    p->name);

-			p->found = FALSE;

-		    }

-		    if (p->found)

-			freq *= (double)units;

-		} else {

-		    xf86DrvMsg(scrnIndex, X_WARNING,

-			    "Option \"%s\" requires a frequency value\n",

-			    p->name);

-		    p->found = FALSE;

-		}

-		if (p->found) {

-		    p->value.freq.freq = freq;

-		    p->value.freq.units = units;

-		}

-	    }

-	    break;

-	case OPTV_NONE:

-	    /* Should never get here */

-	    p->found = FALSE;

-	    break;

-	}

-	if (p->found && markUsed) {

-	    int verb = 2;

-	    if (wasUsed)

-		verb = 4;

-	    xf86DrvMsgVerb(scrnIndex, X_CONFIG, verb, "Option \"%s\"", p->name);

-	    if (!(p->type == OPTV_BOOLEAN && *s == 0)) {

-		xf86ErrorFVerb(verb, " \"%s\"", s);

-	    }

-	    xf86ErrorFVerb(verb, "\n");

-	}

-    } else if (p->type == OPTV_BOOLEAN) {

-	/* Look for matches with options with or without a "No" prefix. */

-	char *n, *newn;

-	OptionInfoRec opt;

-

-	n = xf86NormalizeName(p->name);

-	if (!n) {

-	    p->found = FALSE;

-	    return FALSE;

-	}

-	if (strncmp(n, "no", 2) == 0) {

-	    newn = n + 2;

-	} else {

-	    free(n);

-	    if (asprintf(&n, "No%s", p->name) == -1) {

-		p->found = FALSE;

-		return FALSE;

-	    }

-	    newn = n;

-	}

-	if ((s = xf86findOptionValue(options, newn)) != NULL) {

-	    if (markUsed)

-		xf86MarkOptionUsedByName(options, newn);

-	    if (GetBoolValue(&opt, s)) {

-		p->value.bool = !opt.value.bool;

-		p->found = TRUE;

-	    } else {

-		xf86DrvMsg(scrnIndex, X_WARNING,

-			   "Option \"%s\" requires a boolean value\n", newn);

-		p->found = FALSE;

-	    }

-	} else {

-	    p->found = FALSE;

-	}

-	if (p->found && markUsed) {

-	    xf86DrvMsgVerb(scrnIndex, X_CONFIG, 2, "Option \"%s\"", newn);

-	    if (*s != 0) {

-		xf86ErrorFVerb(2, " \"%s\"", s);

-	    }

-	    xf86ErrorFVerb(2, "\n");

-	}

-	free(n);

-    } else {

-	p->found = FALSE;

-    }

-    return p->found;

-}

-

-

-void

-xf86ProcessOptions(int scrnIndex, pointer options, OptionInfoPtr optinfo)

-{

-    OptionInfoPtr p;

-

-    for (p = optinfo; p->name != NULL; p++) {

-	ParseOptionValue(scrnIndex, options, p, TRUE);

-    }

-}

-

-

-OptionInfoPtr

-xf86TokenToOptinfo(const OptionInfoRec *table, int token)

-{

-    const OptionInfoRec *p, *match = NULL, *set = NULL;

-

-    if (!table) {

-	ErrorF("xf86TokenToOptinfo: table is NULL\n");

-	return NULL;

-    }

-

-    for (p = table; p->token >= 0; p++) {

-	if (p->token == token) {

-	    match = p;

-	    if (p->found)

-		set = p;

-	}

-    }

-

-    if (set)

-	return (OptionInfoPtr)set;

-    else if (match)

-	return (OptionInfoPtr)match;

-    else

-	return NULL;

-}

-

-

-const char *

-xf86TokenToOptName(const OptionInfoRec *table, int token)

-{

-    const OptionInfoRec *p;

-

-    p = xf86TokenToOptinfo(table, token);

-    return p->name;

-}

-

-

-Bool

-xf86IsOptionSet(const OptionInfoRec *table, int token)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    return p && p->found;

-}

-

-

-char *

-xf86GetOptValString(const OptionInfoRec *table, int token)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found)

-	return p->value.str;

-    else

-	return NULL;

-}

-

-

-Bool

-xf86GetOptValInteger(const OptionInfoRec *table, int token, int *value)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found) {

-	*value = p->value.num;

-	return TRUE;

-    } else

-	return FALSE;

-}

-

-

-Bool

-xf86GetOptValULong(const OptionInfoRec *table, int token, unsigned long *value)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found) {

-	*value = p->value.num;

-	return TRUE;

-    } else

-	return FALSE;

-}

-

-

-Bool

-xf86GetOptValReal(const OptionInfoRec *table, int token, double *value)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found) {

-	*value = p->value.realnum;

-	return TRUE;

-    } else

-	return FALSE;

-}

-

-

-Bool

-xf86GetOptValFreq(const OptionInfoRec *table, int token,

-		  OptFreqUnits expectedUnits, double *value)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found) {

-	if (p->value.freq.units > 0) {

-	    /* Units give, so the scaling is known. */

-	    switch (expectedUnits) {

-	    case OPTUNITS_HZ:

-		*value = p->value.freq.freq;

-		break;

-	    case OPTUNITS_KHZ:

-		*value = p->value.freq.freq / 1000.0;

-		break;

-	    case OPTUNITS_MHZ:

-		*value = p->value.freq.freq / 1000000.0;

-		break;

-	    }

-	} else {

-	    /* No units given, so try to guess the scaling. */

-	    switch (expectedUnits) {

-	    case OPTUNITS_HZ:

-		*value = p->value.freq.freq;

-		break;

-	    case OPTUNITS_KHZ:

-		if (p->value.freq.freq > 1000.0)

-		    *value = p->value.freq.freq / 1000.0;

-		else

-		    *value = p->value.freq.freq;

-		break;

-	    case OPTUNITS_MHZ:

-		if (p->value.freq.freq > 1000000.0)

-		    *value = p->value.freq.freq / 1000000.0;

-		else if (p->value.freq.freq > 1000.0)

-		    *value = p->value.freq.freq / 1000.0;

-		else

-		    *value = p->value.freq.freq;

-	    }

-	}

-	return TRUE;

-    } else

-	return FALSE;

-}

-

-

-Bool

-xf86GetOptValBool(const OptionInfoRec *table, int token, Bool *value)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found) {

-	*value = p->value.bool;

-	return TRUE;

-    } else

-	return FALSE;

-}

-

-

-Bool

-xf86ReturnOptValBool(const OptionInfoRec *table, int token, Bool def)

-{

-    OptionInfoPtr p;

-

-    p = xf86TokenToOptinfo(table, token);

-    if (p && p->found) {

-	return p->value.bool;

-    } else

-	return def;

-}

-

-

-int

-xf86NameCmp(const char *s1, const char *s2)

-{

-    return xf86nameCompare(s1, s2);

-}

-

-char *

-xf86NormalizeName(const char *s)

-{

-    char *ret, *q;

-    const char *p;

-

-    if (s == NULL)

-	return NULL;

-

-    ret = malloc(strlen(s) + 1);

-    for (p = s, q = ret; *p != 0; p++) {

-	switch (*p) {

-	case '_':

-	case ' ':

-	case '\t':

-	    continue;

-	default:

-	    if (isupper(*p))

-		*q++ = tolower(*p);

-	    else

-		*q++ = *p;

-	}

-    }

-    *q = '\0';

-    return ret;

-}

+/*
+ * Copyright (c) 1998-2003 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+/*
+ * Author: David Dawes <dawes@xfree86.org>
+ *
+ * This file includes public option handling functions.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <X11/X.h>
+#include "os.h"
+#include "xf86.h"
+#include "xf86Xinput.h"
+#include "xf86Optrec.h"
+#include "xf86Parser.h"
+
+static Bool ParseOptionValue(int scrnIndex, pointer options, OptionInfoPtr p,
+			     Bool markUsed);
+
+/*
+ * xf86CollectOptions collects the options from each of the config file
+ * sections used by the screen and puts the combined list in pScrn->options.
+ * This function requires that the following have been initialised:
+ *
+ *	pScrn->confScreen
+ *	pScrn->Entities[i]->device
+ *	pScrn->display
+ *	pScrn->monitor
+ *
+ * The extraOpts parameter may optionally contain a list of additional options
+ * to include.
+ *
+ * The order of precedence for options is:
+ *
+ *   extraOpts, display, confScreen, monitor, device
+ */
+
+void
+xf86CollectOptions(ScrnInfoPtr pScrn, pointer extraOpts)
+{
+    XF86OptionPtr tmp;
+    XF86OptionPtr extras = (XF86OptionPtr)extraOpts;
+    GDevPtr device;
+    
+    int i;
+
+    pScrn->options = NULL;
+
+    for (i=pScrn->numEntities - 1; i >= 0; i--) {
+	device = xf86GetDevFromEntity(pScrn->entityList[i],
+					pScrn->entityInstanceList[i]);
+	if (device && device->options) {
+	    tmp = xf86optionListDup(device->options);
+	    if (pScrn->options)
+		xf86optionListMerge(pScrn->options,tmp);
+	    else
+		pScrn->options = tmp;
+	}
+    }
+    if (pScrn->monitor->options) {
+	tmp = xf86optionListDup(pScrn->monitor->options);
+	if (pScrn->options)
+	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);
+	else
+	    pScrn->options = tmp;
+    }
+    if (pScrn->confScreen->options) {
+	tmp = xf86optionListDup(pScrn->confScreen->options);
+	if (pScrn->options)
+	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);
+	else
+	    pScrn->options = tmp;
+    }
+    if (pScrn->display->options) {
+	tmp = xf86optionListDup(pScrn->display->options);
+	if (pScrn->options)
+	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);
+	else
+	    pScrn->options = tmp;
+    }
+    if (extras) {
+	tmp = xf86optionListDup(extras);
+	if (pScrn->options)
+	    pScrn->options = xf86optionListMerge(pScrn->options, tmp);
+	else
+	    pScrn->options = tmp;
+    }
+}
+
+/*
+ * xf86CollectInputOptions collects extra options for an InputDevice (other
+ * than those added by the config backend).
+ * The options are merged into the existing ones and thus take precedence
+ * over the others.
+ */
+
+void
+xf86CollectInputOptions(InputInfoPtr pInfo, const char **defaultOpts)
+{
+    if (defaultOpts) {
+	XF86OptionPtr tmp =xf86optionListCreate(defaultOpts, -1, 0);
+	if (pInfo->options)
+	    pInfo->options = xf86optionListMerge(tmp, pInfo->options);
+	else
+	    pInfo->options = tmp;
+    }
+}
+
+/**
+ * Duplicate the option list passed in. The returned pointer will be a newly
+ * allocated option list and must be freed by the caller.
+ */
+pointer
+xf86OptionListDuplicate(pointer options)
+{
+    pointer o = NULL;
+
+    while (options)
+    {
+        o = xf86AddNewOption(o, xf86OptionName(options), xf86OptionValue(options));
+        options = xf86nextOption(options);
+    }
+
+    return o;
+}
+
+
+/* Created for new XInput stuff -- essentially extensions to the parser	*/
+
+static int
+LookupIntOption(pointer optlist, const char *name, int deflt, Bool markUsed)
+{
+    OptionInfoRec o;
+
+    o.name = name;
+    o.type = OPTV_INTEGER;
+    if (ParseOptionValue(-1, optlist, &o, markUsed))
+	deflt = o.value.num;
+    return deflt;
+}
+
+
+static double
+LookupRealOption(pointer optlist, const char *name, double deflt,
+		 Bool markUsed)
+{
+    OptionInfoRec o;
+
+    o.name = name;
+    o.type = OPTV_REAL;
+    if (ParseOptionValue(-1, optlist, &o, markUsed))
+	deflt = o.value.realnum;
+    return deflt;
+}
+
+
+static char *
+LookupStrOption(pointer optlist, const char *name, char *deflt, Bool markUsed)
+{
+    OptionInfoRec o;
+
+    o.name = name;
+    o.type = OPTV_STRING;
+    if (ParseOptionValue(-1, optlist, &o, markUsed))
+        deflt = o.value.str;
+    if (deflt)
+	return strdup(deflt);
+    else
+	return NULL;
+}
+
+
+static int
+LookupBoolOption(pointer optlist, const char *name, int deflt, Bool markUsed)
+{
+    OptionInfoRec o;
+
+    o.name = name;
+    o.type = OPTV_BOOLEAN;
+    if (ParseOptionValue(-1, optlist, &o, markUsed))
+	deflt = o.value.bool;
+    return deflt;
+}
+
+static int
+LookupPercentOption(pointer optlist, const char *name, double deflt, Bool markUsed)
+{
+    OptionInfoRec o;
+
+    o.name = name;
+    o.type = OPTV_PERCENT;
+    if (ParseOptionValue(-1, optlist, &o, markUsed))
+	deflt = o.value.realnum;
+    return deflt;
+}
+
+/* These xf86Set* functions are intended for use by non-screen specific code */
+
+int
+xf86SetIntOption(pointer optlist, const char *name, int deflt)
+{
+    return LookupIntOption(optlist, name, deflt, TRUE);
+}
+
+
+double
+xf86SetRealOption(pointer optlist, const char *name, double deflt)
+{
+    return LookupRealOption(optlist, name, deflt, TRUE);
+}
+
+
+char *
+xf86SetStrOption(pointer optlist, const char *name, char *deflt)
+{
+    return LookupStrOption(optlist, name, deflt, TRUE);
+}
+
+
+int
+xf86SetBoolOption(pointer optlist, const char *name, int deflt)
+{
+    return LookupBoolOption(optlist, name, deflt, TRUE);
+}
+
+double
+xf86SetPercentOption(pointer optlist, const char *name, double deflt)
+{
+    return LookupPercentOption(optlist, name, deflt, TRUE);
+}
+
+/*
+ * These are like the Set*Option functions, but they don't mark the options
+ * as used.
+ */
+int
+xf86CheckIntOption(pointer optlist, const char *name, int deflt)
+{
+    return LookupIntOption(optlist, name, deflt, FALSE);
+}
+
+
+double
+xf86CheckRealOption(pointer optlist, const char *name, double deflt)
+{
+    return LookupRealOption(optlist, name, deflt, FALSE);
+}
+
+
+char *
+xf86CheckStrOption(pointer optlist, const char *name, char *deflt)
+{
+    return LookupStrOption(optlist, name, deflt, FALSE);
+}
+
+
+int
+xf86CheckBoolOption(pointer optlist, const char *name, int deflt)
+{
+    return LookupBoolOption(optlist, name, deflt, FALSE);
+}
+
+
+double
+xf86CheckPercentOption(pointer optlist, const char *name, double deflt)
+{
+    return LookupPercentOption(optlist, name, deflt, FALSE);
+}
+/*
+ * addNewOption() has the required property of replacing the option value
+ * if the option is already present.
+ */
+pointer
+xf86ReplaceIntOption(pointer optlist, const char *name, const int val)
+{
+    char tmp[16];
+    sprintf(tmp,"%i",val);
+    return xf86AddNewOption(optlist,name,tmp);
+}
+
+pointer
+xf86ReplaceRealOption(pointer optlist, const char *name, const double val)
+{
+    char tmp[32];
+    snprintf(tmp,32,"%f",val);
+    return xf86AddNewOption(optlist,name,tmp);
+}
+
+pointer
+xf86ReplaceBoolOption(pointer optlist, const char *name, const Bool val)
+{
+    return xf86AddNewOption(optlist,name,val?"True":"False");
+}
+
+pointer
+xf86ReplacePercentOption(pointer optlist, const char *name, const double val)
+{
+    char tmp[16];
+    sprintf(tmp, "%lf%%", val);
+    return xf86AddNewOption(optlist,name,tmp);
+}
+
+pointer
+xf86ReplaceStrOption(pointer optlist, const char *name, const char* val)
+{
+      return xf86AddNewOption(optlist,name,val);
+}
+
+pointer
+xf86AddNewOption(pointer head, const char *name, const char *val)
+{
+    /* XXX These should actually be allocated in the parser library. */
+    char *tmp = strdup(val);
+    char *tmp_name = strdup(name);
+
+    return xf86addNewOption(head, tmp_name, tmp);
+}
+
+
+pointer
+xf86NewOption(char *name, char *value)
+{
+    return xf86newOption(name, value);
+}
+
+
+pointer
+xf86NextOption(pointer list)
+{
+    return xf86nextOption(list);
+}
+
+pointer
+xf86OptionListCreate(const char **options, int count, int used)
+{
+	return xf86optionListCreate(options, count, used);
+}
+
+pointer
+xf86OptionListMerge(pointer head, pointer tail)
+{
+	return xf86optionListMerge(head, tail);
+}
+
+void
+xf86OptionListFree(pointer opt)
+{
+	xf86optionListFree(opt);
+}
+
+char *
+xf86OptionName(pointer opt)
+{
+	return xf86optionName(opt);
+}
+
+char *
+xf86OptionValue(pointer opt)
+{
+	return xf86optionValue(opt);
+}
+
+void
+xf86OptionListReport(pointer parm)
+{
+    XF86OptionPtr opts = parm;
+
+    while(opts) {
+	if (xf86optionValue(opts))
+	    xf86ErrorFVerb(5, "\tOption \"%s\" \"%s\"\n",
+			    xf86optionName(opts), xf86optionValue(opts));
+	else
+	    xf86ErrorFVerb( 5, "\tOption \"%s\"\n", xf86optionName(opts));
+	opts = xf86nextOption(opts);
+    }
+}
+
+/* End of XInput-caused section	*/
+
+pointer
+xf86FindOption(pointer options, const char *name)
+{
+    return xf86findOption(options, name);
+}
+
+
+char *
+xf86FindOptionValue(pointer options, const char *name)
+{
+    return xf86findOptionValue(options, name);
+}
+
+
+void
+xf86MarkOptionUsed(pointer option)
+{
+    if (option != NULL)
+	((XF86OptionPtr)option)->opt_used = TRUE;
+}
+
+
+void
+xf86MarkOptionUsedByName(pointer options, const char *name)
+{
+    XF86OptionPtr opt;
+
+    opt = xf86findOption(options, name);
+    if (opt != NULL)
+	opt->opt_used = TRUE;
+}
+
+Bool
+xf86CheckIfOptionUsed(pointer option)
+{
+    if (option != NULL)
+	return ((XF86OptionPtr)option)->opt_used;
+    else
+	return FALSE;
+}
+
+Bool
+xf86CheckIfOptionUsedByName(pointer options, const char *name)
+{
+    XF86OptionPtr opt;
+
+    opt = xf86findOption(options, name);
+    if (opt != NULL)
+	return opt->opt_used;
+    else
+	return FALSE;
+}
+
+void
+xf86ShowUnusedOptions(int scrnIndex, pointer options)
+{
+    XF86OptionPtr opt = options;
+
+    while (opt) {
+	if (opt->opt_name && !opt->opt_used) {
+	    xf86DrvMsg(scrnIndex, X_WARNING, "Option \"%s\" is not used\n",
+			opt->opt_name);
+	}
+	opt = opt->list.next;
+    }
+}
+
+
+static Bool
+GetBoolValue(OptionInfoPtr p, const char *s)
+{
+    return xf86getBoolValue(&p->value.bool, s);
+}
+
+static Bool
+ParseOptionValue(int scrnIndex, pointer options, OptionInfoPtr p,
+		 Bool markUsed)
+{
+    char *s, *end;
+    Bool wasUsed = FALSE;
+
+    if ((s = xf86findOptionValue(options, p->name)) != NULL) {
+	if (markUsed) {
+	    wasUsed = xf86CheckIfOptionUsedByName(options, p->name);
+	    xf86MarkOptionUsedByName(options, p->name);
+	}
+	switch (p->type) {
+	case OPTV_INTEGER:
+	    if (*s == '\0') {
+		xf86DrvMsg(scrnIndex, X_WARNING,
+			   "Option \"%s\" requires an integer value\n",
+			   p->name);
+		p->found = FALSE;
+	    } else {
+		p->value.num = strtoul(s, &end, 0);
+		if (*end == '\0') {
+		    p->found = TRUE;
+		} else {
+		    xf86DrvMsg(scrnIndex, X_WARNING,
+			       "Option \"%s\" requires an integer value\n",
+			        p->name);
+		    p->found = FALSE;
+		}
+	    }
+	    break;
+	case OPTV_STRING:
+	    if (*s == '\0') {
+		xf86DrvMsg(scrnIndex, X_WARNING,
+			   "Option \"%s\" requires an string value\n",
+			   p->name);
+		p->found = FALSE;
+	    } else {
+		p->value.str = s;
+		p->found = TRUE;
+	    }
+	    break;
+	case OPTV_ANYSTR:
+	    p->value.str = s;
+	    p->found = TRUE;
+	    break;
+	case OPTV_REAL:	
+	    if (*s == '\0') {
+		xf86DrvMsg(scrnIndex, X_WARNING,
+			   "Option \"%s\" requires a floating point value\n",
+			   p->name);
+		p->found = FALSE;
+	    } else {
+		p->value.realnum = strtod(s, &end);
+		if (*end == '\0') {
+		    p->found = TRUE;
+		} else {
+		    xf86DrvMsg(scrnIndex, X_WARNING,
+			    "Option \"%s\" requires a floating point value\n",
+			    p->name);
+		    p->found = FALSE;
+		}
+	    }
+	    break;
+	case OPTV_BOOLEAN:
+	    if (GetBoolValue(p, s)) {
+		p->found = TRUE;
+	    } else {
+		xf86DrvMsg(scrnIndex, X_WARNING,
+			   "Option \"%s\" requires a boolean value\n", p->name);
+		p->found = FALSE;
+	    }
+	    break;
+	case OPTV_PERCENT:
+	    {
+		char tmp = 0;
+		/* awkward match, but %% doesn't increase the match counter,
+		 * hence 100 looks the same as 100% to the caller of sccanf
+		 */
+		if (sscanf(s, "%lf%c", &p->value.realnum, &tmp) != 2 || tmp != '%') {
+		    xf86DrvMsg(scrnIndex, X_WARNING,
+			       "Option \"%s\" requires a percent value\n", p->name);
+		    p->found = FALSE;
+		} else {
+		    p->found = TRUE;
+		}
+	    }
+	    break;
+	case OPTV_FREQ:	
+	    if (*s == '\0') {
+		xf86DrvMsg(scrnIndex, X_WARNING,
+			   "Option \"%s\" requires a frequency value\n",
+			   p->name);
+		p->found = FALSE;
+	    } else {
+		double freq = strtod(s, &end);
+		int    units = 0;
+
+		if (end != s) {
+		    p->found = TRUE;
+		    if (!xf86NameCmp(end, "Hz"))
+			units = 1;
+		    else if (!xf86NameCmp(end, "kHz") ||
+			     !xf86NameCmp(end, "k"))
+			units = 1000;
+		    else if (!xf86NameCmp(end, "MHz") ||
+			     !xf86NameCmp(end, "M"))
+			units = 1000000;
+		    else {
+			xf86DrvMsg(scrnIndex, X_WARNING,
+			    "Option \"%s\" requires a frequency value\n",
+			    p->name);
+			p->found = FALSE;
+		    }
+		    if (p->found)
+			freq *= (double)units;
+		} else {
+		    xf86DrvMsg(scrnIndex, X_WARNING,
+			    "Option \"%s\" requires a frequency value\n",
+			    p->name);
+		    p->found = FALSE;
+		}
+		if (p->found) {
+		    p->value.freq.freq = freq;
+		    p->value.freq.units = units;
+		}
+	    }
+	    break;
+	case OPTV_NONE:
+	    /* Should never get here */
+	    p->found = FALSE;
+	    break;
+	}
+	if (p->found && markUsed) {
+	    int verb = 2;
+	    if (wasUsed)
+		verb = 4;
+	    xf86DrvMsgVerb(scrnIndex, X_CONFIG, verb, "Option \"%s\"", p->name);
+	    if (!(p->type == OPTV_BOOLEAN && *s == 0)) {
+		xf86ErrorFVerb(verb, " \"%s\"", s);
+	    }
+	    xf86ErrorFVerb(verb, "\n");
+	}
+    } else if (p->type == OPTV_BOOLEAN) {
+	/* Look for matches with options with or without a "No" prefix. */
+	char *n, *newn;
+	OptionInfoRec opt;
+
+	n = xf86NormalizeName(p->name);
+	if (!n) {
+	    p->found = FALSE;
+	    return FALSE;
+	}
+	if (strncmp(n, "no", 2) == 0) {
+	    newn = n + 2;
+	} else {
+	    free(n);
+	    if (asprintf(&n, "No%s", p->name) == -1) {
+		p->found = FALSE;
+		return FALSE;
+	    }
+	    newn = n;
+	}
+	if ((s = xf86findOptionValue(options, newn)) != NULL) {
+	    if (markUsed)
+		xf86MarkOptionUsedByName(options, newn);
+	    if (GetBoolValue(&opt, s)) {
+		p->value.bool = !opt.value.bool;
+		p->found = TRUE;
+	    } else {
+		xf86DrvMsg(scrnIndex, X_WARNING,
+			   "Option \"%s\" requires a boolean value\n", newn);
+		p->found = FALSE;
+	    }
+	} else {
+	    p->found = FALSE;
+	}
+	if (p->found && markUsed) {
+	    xf86DrvMsgVerb(scrnIndex, X_CONFIG, 2, "Option \"%s\"", newn);
+	    if (*s != 0) {
+		xf86ErrorFVerb(2, " \"%s\"", s);
+	    }
+	    xf86ErrorFVerb(2, "\n");
+	}
+	free(n);
+    } else {
+	p->found = FALSE;
+    }
+    return p->found;
+}
+
+
+void
+xf86ProcessOptions(int scrnIndex, pointer options, OptionInfoPtr optinfo)
+{
+    OptionInfoPtr p;
+
+    for (p = optinfo; p->name != NULL; p++) {
+	ParseOptionValue(scrnIndex, options, p, TRUE);
+    }
+}
+
+
+OptionInfoPtr
+xf86TokenToOptinfo(const OptionInfoRec *table, int token)
+{
+    const OptionInfoRec *p, *match = NULL, *set = NULL;
+
+    if (!table) {
+	ErrorF("xf86TokenToOptinfo: table is NULL\n");
+	return NULL;
+    }
+
+    for (p = table; p->token >= 0; p++) {
+	if (p->token == token) {
+	    match = p;
+	    if (p->found)
+		set = p;
+	}
+    }
+
+    if (set)
+	return (OptionInfoPtr)set;
+    else if (match)
+	return (OptionInfoPtr)match;
+    else
+	return NULL;
+}
+
+
+const char *
+xf86TokenToOptName(const OptionInfoRec *table, int token)
+{
+    const OptionInfoRec *p;
+
+    p = xf86TokenToOptinfo(table, token);
+    return p->name;
+}
+
+
+Bool
+xf86IsOptionSet(const OptionInfoRec *table, int token)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    return p && p->found;
+}
+
+
+char *
+xf86GetOptValString(const OptionInfoRec *table, int token)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found)
+	return p->value.str;
+    else
+	return NULL;
+}
+
+
+Bool
+xf86GetOptValInteger(const OptionInfoRec *table, int token, int *value)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found) {
+	*value = p->value.num;
+	return TRUE;
+    } else
+	return FALSE;
+}
+
+
+Bool
+xf86GetOptValULong(const OptionInfoRec *table, int token, unsigned long *value)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found) {
+	*value = p->value.num;
+	return TRUE;
+    } else
+	return FALSE;
+}
+
+
+Bool
+xf86GetOptValReal(const OptionInfoRec *table, int token, double *value)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found) {
+	*value = p->value.realnum;
+	return TRUE;
+    } else
+	return FALSE;
+}
+
+
+Bool
+xf86GetOptValFreq(const OptionInfoRec *table, int token,
+		  OptFreqUnits expectedUnits, double *value)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found) {
+	if (p->value.freq.units > 0) {
+	    /* Units give, so the scaling is known. */
+	    switch (expectedUnits) {
+	    case OPTUNITS_HZ:
+		*value = p->value.freq.freq;
+		break;
+	    case OPTUNITS_KHZ:
+		*value = p->value.freq.freq / 1000.0;
+		break;
+	    case OPTUNITS_MHZ:
+		*value = p->value.freq.freq / 1000000.0;
+		break;
+	    }
+	} else {
+	    /* No units given, so try to guess the scaling. */
+	    switch (expectedUnits) {
+	    case OPTUNITS_HZ:
+		*value = p->value.freq.freq;
+		break;
+	    case OPTUNITS_KHZ:
+		if (p->value.freq.freq > 1000.0)
+		    *value = p->value.freq.freq / 1000.0;
+		else
+		    *value = p->value.freq.freq;
+		break;
+	    case OPTUNITS_MHZ:
+		if (p->value.freq.freq > 1000000.0)
+		    *value = p->value.freq.freq / 1000000.0;
+		else if (p->value.freq.freq > 1000.0)
+		    *value = p->value.freq.freq / 1000.0;
+		else
+		    *value = p->value.freq.freq;
+	    }
+	}
+	return TRUE;
+    } else
+	return FALSE;
+}
+
+
+Bool
+xf86GetOptValBool(const OptionInfoRec *table, int token, Bool *value)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found) {
+	*value = p->value.bool;
+	return TRUE;
+    } else
+	return FALSE;
+}
+
+
+Bool
+xf86ReturnOptValBool(const OptionInfoRec *table, int token, Bool def)
+{
+    OptionInfoPtr p;
+
+    p = xf86TokenToOptinfo(table, token);
+    if (p && p->found) {
+	return p->value.bool;
+    } else
+	return def;
+}
+
+
+int
+xf86NameCmp(const char *s1, const char *s2)
+{
+    return xf86nameCompare(s1, s2);
+}
+
+char *
+xf86NormalizeName(const char *s)
+{
+    char *ret, *q;
+    const char *p;
+
+    if (s == NULL)
+	return NULL;
+
+    ret = malloc(strlen(s) + 1);
+    for (p = s, q = ret; *p != 0; p++) {
+	switch (*p) {
+	case '_':
+	case ' ':
+	case '\t':
+	    continue;
+	default:
+	    if (isupper(*p))
+		*q++ = tolower(*p);
+	    else
+		*q++ = *p;
+	}
+    }
+    *q = '\0';
+    return ret;
+}