525 lines
12 KiB
C
525 lines
12 KiB
C
/*
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*
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* Copyright (c) 1997 Metro Link Incorporated
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Metro Link shall not be
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* used in advertising or otherwise to promote the sale, use or other dealings
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* in this Software without prior written authorization from Metro Link.
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*
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*/
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/*
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* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/* View/edit this file with tab stops set to 4 */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf86Parser.h"
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#include "xf86tokens.h"
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#include "Configint.h"
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#include <math.h>
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extern LexRec val;
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static xf86ConfigSymTabRec ServerFlagsTab[] =
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{
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{ENDSECTION, "endsection"},
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{NOTRAPSIGNALS, "notrapsignals"},
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{DONTZAP, "dontzap"},
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{DONTZOOM, "dontzoom"},
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{DISABLEVIDMODE, "disablevidmodeextension"},
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{ALLOWNONLOCAL, "allownonlocalxvidtune"},
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{DISABLEMODINDEV, "disablemodindev"},
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{MODINDEVALLOWNONLOCAL, "allownonlocalmodindev"},
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{ALLOWMOUSEOPENFAIL, "allowmouseopenfail"},
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{OPTION, "option"},
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{BLANKTIME, "blanktime"},
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{STANDBYTIME, "standbytime"},
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{SUSPENDTIME, "suspendtime"},
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{OFFTIME, "offtime"},
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{DEFAULTLAYOUT, "defaultserverlayout"},
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{-1, ""},
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};
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#define CLEANUP xf86freeFlags
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XF86ConfFlagsPtr
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xf86parseFlagsSection (void)
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{
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int token;
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parsePrologue (XF86ConfFlagsPtr, XF86ConfFlagsRec)
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while ((token = xf86getToken (ServerFlagsTab)) != ENDSECTION)
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{
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int hasvalue = FALSE;
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int strvalue = FALSE;
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int tokentype;
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switch (token)
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{
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case COMMENT:
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ptr->flg_comment = xf86addComment(ptr->flg_comment, val.str);
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break;
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/*
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* these old keywords are turned into standard generic options.
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* we fall through here on purpose
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*/
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case DEFAULTLAYOUT:
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strvalue = TRUE;
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case BLANKTIME:
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case STANDBYTIME:
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case SUSPENDTIME:
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case OFFTIME:
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hasvalue = TRUE;
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case NOTRAPSIGNALS:
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case DONTZAP:
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case DONTZOOM:
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case DISABLEVIDMODE:
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case ALLOWNONLOCAL:
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case DISABLEMODINDEV:
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case MODINDEVALLOWNONLOCAL:
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case ALLOWMOUSEOPENFAIL:
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{
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int i = 0;
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while (ServerFlagsTab[i].token != -1)
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{
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char *tmp;
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if (ServerFlagsTab[i].token == token)
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{
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char *valstr = NULL;
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/* can't use strdup because it calls malloc */
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tmp = xf86configStrdup (ServerFlagsTab[i].name);
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if (hasvalue)
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{
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tokentype = xf86getSubToken(&(ptr->flg_comment));
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if (strvalue) {
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if (tokentype != STRING)
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Error (QUOTE_MSG, tmp);
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valstr = val.str;
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} else {
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if (tokentype != NUMBER)
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Error (NUMBER_MSG, tmp);
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valstr = xf86confmalloc(16);
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if (valstr)
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sprintf(valstr, "%d", val.num);
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}
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}
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ptr->flg_option_lst = xf86addNewOption
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(ptr->flg_option_lst, tmp, valstr);
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}
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i++;
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}
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}
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break;
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case OPTION:
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ptr->flg_option_lst = xf86parseOption(ptr->flg_option_lst);
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break;
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case EOF_TOKEN:
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Error (UNEXPECTED_EOF_MSG, NULL);
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break;
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default:
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Error (INVALID_KEYWORD_MSG, xf86tokenString ());
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break;
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}
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}
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#ifdef DEBUG
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printf ("Flags section parsed\n");
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#endif
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return ptr;
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}
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#undef CLEANUP
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void
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xf86printServerFlagsSection (FILE * f, XF86ConfFlagsPtr flags)
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{
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XF86OptionPtr p;
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if ((!flags) || (!flags->flg_option_lst))
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return;
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p = flags->flg_option_lst;
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fprintf (f, "Section \"ServerFlags\"\n");
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if (flags->flg_comment)
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fprintf (f, "%s", flags->flg_comment);
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xf86printOptionList(f, p, 1);
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fprintf (f, "EndSection\n\n");
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}
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static XF86OptionPtr
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addNewOption2 (XF86OptionPtr head, char *name, char *val, int used)
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{
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XF86OptionPtr new, old = NULL;
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/* Don't allow duplicates */
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if (head != NULL && (old = xf86findOption(head, name)) != NULL)
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new = old;
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else {
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new = xf86confcalloc (1, sizeof (XF86OptionRec));
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new->list.next = NULL;
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}
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new->opt_name = name;
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new->opt_val = val;
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new->opt_used = used;
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if (old == NULL)
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return ((XF86OptionPtr) xf86addListItem ((glp) head, (glp) new));
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else
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return head;
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}
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XF86OptionPtr
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xf86addNewOption (XF86OptionPtr head, char *name, char *val)
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{
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return addNewOption2(head, name, val, 0);
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}
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void
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xf86freeFlags (XF86ConfFlagsPtr flags)
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{
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if (flags == NULL)
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return;
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xf86optionListFree (flags->flg_option_lst);
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TestFree(flags->flg_comment);
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xf86conffree (flags);
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}
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XF86OptionPtr
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xf86optionListDup (XF86OptionPtr opt)
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{
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XF86OptionPtr newopt = NULL;
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while (opt)
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{
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newopt = xf86addNewOption(newopt, xf86configStrdup(opt->opt_name),
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xf86configStrdup(opt->opt_val));
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newopt->opt_used = opt->opt_used;
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if (opt->opt_comment)
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newopt->opt_comment = xf86configStrdup(opt->opt_comment);
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opt = opt->list.next;
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}
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return newopt;
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}
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void
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xf86optionListFree (XF86OptionPtr opt)
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{
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XF86OptionPtr prev;
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while (opt)
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{
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TestFree (opt->opt_name);
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TestFree (opt->opt_val);
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TestFree (opt->opt_comment);
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prev = opt;
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opt = opt->list.next;
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xf86conffree (prev);
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}
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}
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char *
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xf86optionName(XF86OptionPtr opt)
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{
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if (opt)
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return opt->opt_name;
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return 0;
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}
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char *
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xf86optionValue(XF86OptionPtr opt)
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{
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if (opt)
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return opt->opt_val;
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return 0;
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}
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XF86OptionPtr
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xf86newOption(char *name, char *value)
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{
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XF86OptionPtr opt;
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opt = xf86confcalloc(1, sizeof (XF86OptionRec));
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if (!opt)
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return NULL;
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opt->opt_used = 0;
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opt->list.next = 0;
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opt->opt_name = name;
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opt->opt_val = value;
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return opt;
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}
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XF86OptionPtr
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xf86nextOption(XF86OptionPtr list)
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{
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if (!list)
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return NULL;
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return list->list.next;
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}
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/*
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* this function searches the given option list for the named option and
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* returns a pointer to the option rec if found. If not found, it returns
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* NULL
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*/
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XF86OptionPtr
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xf86findOption (XF86OptionPtr list, const char *name)
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{
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while (list)
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{
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if (xf86nameCompare (list->opt_name, name) == 0)
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return (list);
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list = list->list.next;
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}
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return (NULL);
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}
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/*
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* this function searches the given option list for the named option. If
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* found and the option has a parameter, a pointer to the parameter is
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* returned. If the option does not have a parameter an empty string is
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* returned. If the option is not found, a NULL is returned.
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*/
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char *
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xf86findOptionValue (XF86OptionPtr list, const char *name)
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{
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XF86OptionPtr p = xf86findOption (list, name);
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if (p)
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{
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if (p->opt_val)
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return (p->opt_val);
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else
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return "";
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}
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return (NULL);
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}
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XF86OptionPtr
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xf86optionListCreate( const char **options, int count, int used )
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{
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XF86OptionPtr p = NULL;
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char *t1, *t2;
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int i;
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if (count == -1)
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{
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for (count = 0; options[count]; count++)
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;
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}
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if( (count % 2) != 0 )
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{
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fprintf( stderr, "xf86optionListCreate: count must be an even number.\n" );
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return (NULL);
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}
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for (i = 0; i < count; i += 2)
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{
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/* can't use strdup because it calls malloc */
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t1 = xf86confmalloc (sizeof (char) *
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(strlen (options[i]) + 1));
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strcpy (t1, options[i]);
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t2 = xf86confmalloc (sizeof (char) *
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(strlen (options[i + 1]) + 1));
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strcpy (t2, options[i + 1]);
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p = addNewOption2 (p, t1, t2, used);
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}
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return (p);
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}
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/* the 2 given lists are merged. If an option with the same name is present in
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* both, the option from the user list - specified in the second argument -
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* is used. The end result is a single valid list of options. Duplicates
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* are freed, and the original lists are no longer guaranteed to be complete.
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*/
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XF86OptionPtr
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xf86optionListMerge (XF86OptionPtr head, XF86OptionPtr tail)
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{
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XF86OptionPtr a, b, ap = NULL, bp = NULL;
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a = tail;
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b = head;
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while (tail && b) {
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if (xf86nameCompare (a->opt_name, b->opt_name) == 0) {
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if (b == head)
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head = a;
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else
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bp->list.next = a;
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if (a == tail)
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tail = a->list.next;
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else
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ap->list.next = a->list.next;
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a->list.next = b->list.next;
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b->list.next = NULL;
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xf86optionListFree (b);
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b = a->list.next;
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bp = a;
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a = tail;
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ap = NULL;
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} else {
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ap = a;
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if (!(a = a->list.next)) {
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a = tail;
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bp = b;
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b = b->list.next;
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ap = NULL;
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}
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}
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}
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if (head) {
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for (a = head; a->list.next; a = a->list.next)
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;
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a->list.next = tail;
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} else
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head = tail;
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return (head);
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}
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char *
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xf86uLongToString(unsigned long i)
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{
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char *s;
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int l;
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l = (int)(ceil(log10((double)i) + 2.5));
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s = xf86confmalloc(l);
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if (!s)
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return NULL;
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sprintf(s, "%lu", i);
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return s;
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}
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void
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xf86debugListOptions(XF86OptionPtr Options)
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{
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while (Options) {
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ErrorF("Option: %s Value: %s\n",Options->opt_name,Options->opt_val);
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Options = Options->list.next;
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}
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}
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XF86OptionPtr
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xf86parseOption(XF86OptionPtr head)
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{
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XF86OptionPtr option, cnew, old;
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char *name, *comment = NULL;
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int token;
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if ((token = xf86getSubToken(&comment)) != STRING) {
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xf86parseError(BAD_OPTION_MSG, NULL);
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if (comment)
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xf86conffree(comment);
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return (head);
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}
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name = val.str;
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if ((token = xf86getSubToken(&comment)) == STRING) {
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option = xf86newOption(name, val.str);
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option->opt_comment = comment;
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if ((token = xf86getToken(NULL)) == COMMENT)
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option->opt_comment = xf86addComment(option->opt_comment, val.str);
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else
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xf86unGetToken(token);
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}
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else {
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option = xf86newOption(name, NULL);
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option->opt_comment = comment;
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if (token == COMMENT)
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option->opt_comment = xf86addComment(option->opt_comment, val.str);
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else
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xf86unGetToken(token);
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}
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old = NULL;
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/* Don't allow duplicates */
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if (head != NULL && (old = xf86findOption(head, name)) != NULL) {
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cnew = old;
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xf86conffree(option->opt_name);
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TestFree(option->opt_val);
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TestFree(option->opt_comment);
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xf86conffree(option);
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}
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else
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cnew = option;
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if (old == NULL)
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return ((XF86OptionPtr)xf86addListItem((glp)head, (glp)cnew));
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return (head);
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}
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void
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xf86printOptionList(FILE *fp, XF86OptionPtr list, int tabs)
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{
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int i;
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if (!list)
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return;
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while (list) {
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for (i = 0; i < tabs; i++)
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fputc('\t', fp);
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if (list->opt_val)
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fprintf(fp, "Option \"%s\" \"%s\"", list->opt_name, list->opt_val);
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else
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fprintf(fp, "Option \"%s\"", list->opt_name);
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if (list->opt_comment)
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fprintf(fp, "%s", list->opt_comment);
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else
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fputc('\n', fp);
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list = list->list.next;
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}
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}
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