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Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86Option.c')
-rw-r--r--nx-X11/programs/Xserver/hw/xfree86/common/xf86Option.c884
1 files changed, 0 insertions, 884 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Option.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86Option.c
deleted file mode 100644
index 9bffdee70..000000000
--- a/nx-X11/programs/Xserver/hw/xfree86/common/xf86Option.c
+++ /dev/null
@@ -1,884 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Option.c,v 1.29 2003/10/18 12:34:19 dawes Exp $ */
-/*
- * 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"
-
-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 the options for an InputDevice.
- * This function requires that the following has been initialised:
- *
- * pInfo->conf_idev
- *
- * The extraOpts parameter may optionally contain a list of additional options
- * to include.
- *
- * The order of precedence for options is:
- *
- * extraOpts, pInfo->conf_idev->extraOptions,
- * pInfo->conf_idev->commonOptions, defaultOpts
- */
-
-void
-xf86CollectInputOptions(InputInfoPtr pInfo, const char **defaultOpts,
- pointer extraOpts)
-{
- XF86OptionPtr tmp;
- XF86OptionPtr extras = (XF86OptionPtr)extraOpts;
-
- pInfo->options = NULL;
- if (defaultOpts) {
- pInfo->options = xf86OptionListCreate(defaultOpts, -1, 0);
- }
- if (pInfo->conf_idev->commonOptions) {
- tmp = xf86optionListDup(pInfo->conf_idev->commonOptions);
- if (pInfo->options)
- pInfo->options = xf86optionListMerge(pInfo->options, tmp);
- else
- pInfo->options = tmp;
- }
- if (pInfo->conf_idev->extraOptions) {
- tmp = xf86optionListDup(pInfo->conf_idev->extraOptions);
- if (pInfo->options)
- pInfo->options = xf86optionListMerge(pInfo->options, tmp);
- else
- pInfo->options = tmp;
- }
- if (extras) {
- tmp = xf86optionListDup(extras);
- if (pInfo->options)
- pInfo->options = xf86optionListMerge(pInfo->options, tmp);
- else
- pInfo->options = tmp;
- }
-}
-
-/* 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 xstrdup(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;
-}
-
-/* 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);
-}
-
-/*
- * 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);
-}
-
-/*
- * 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 = xnfalloc(16);
- sprintf(tmp,"%i",val);
- return xf86AddNewOption(optlist,name,tmp);
-}
-
-pointer
-xf86ReplaceRealOption(pointer optlist, const char *name, const double val)
-{
- char *tmp = xnfalloc(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
-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)
-{
- if (*s == '\0') {
- p->value.bool = TRUE;
- } else {
- if (xf86NameCmp(s, "1") == 0)
- p->value.bool = TRUE;
- else if (xf86NameCmp(s, "on") == 0)
- p->value.bool = TRUE;
- else if (xf86NameCmp(s, "true") == 0)
- p->value.bool = TRUE;
- else if (xf86NameCmp(s, "yes") == 0)
- p->value.bool = TRUE;
- else if (xf86NameCmp(s, "0") == 0)
- p->value.bool = FALSE;
- else if (xf86NameCmp(s, "off") == 0)
- p->value.bool = FALSE;
- else if (xf86NameCmp(s, "false") == 0)
- p->value.bool = FALSE;
- else if (xf86NameCmp(s, "no") == 0)
- p->value.bool = FALSE;
- else
- return FALSE;
- }
- return TRUE;
-}
-
-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_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 {
- xfree(n);
- n = xalloc(strlen(p->name) + 2 + 1);
- if (!n) {
- p->found = FALSE;
- return FALSE;
- }
- strcpy(n, "No");
- strcat(n, p->name);
- 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");
- }
- xfree(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 = xalloc(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;
-}