diff options
Diffstat (limited to 'xorg-server/hw/xfree86/parser/Flags.c')
| -rw-r--r-- | xorg-server/hw/xfree86/parser/Flags.c | 1009 |
1 files changed, 505 insertions, 504 deletions
diff --git a/xorg-server/hw/xfree86/parser/Flags.c b/xorg-server/hw/xfree86/parser/Flags.c index 17e079a8c..f0a61707b 100644 --- a/xorg-server/hw/xfree86/parser/Flags.c +++ b/xorg-server/hw/xfree86/parser/Flags.c @@ -1,504 +1,505 @@ -/*
- * Copyright (c) 1997 Metro Link Incorporated
- *
- * 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 X CONSORTIUM 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 Metro Link shall not be
- * used in advertising or otherwise to promote the sale, use or other dealings
- * in this Software without prior written authorization from Metro Link.
- *
- */
-/*
- * Copyright (c) 1997-2003 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).
- */
-
-
-/* View/edit this file with tab stops set to 4 */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf86Parser.h"
-#include "xf86tokens.h"
-#include "Configint.h"
-#include <X11/Xfuncproto.h>
-#include "Xprintf.h"
-
-extern LexRec val;
-
-static xf86ConfigSymTabRec ServerFlagsTab[] =
-{
- {ENDSECTION, "endsection"},
- {NOTRAPSIGNALS, "notrapsignals"},
- {DONTZAP, "dontzap"},
- {DONTZOOM, "dontzoom"},
- {DISABLEVIDMODE, "disablevidmodeextension"},
- {ALLOWNONLOCAL, "allownonlocalxvidtune"},
- {DISABLEMODINDEV, "disablemodindev"},
- {MODINDEVALLOWNONLOCAL, "allownonlocalmodindev"},
- {ALLOWMOUSEOPENFAIL, "allowmouseopenfail"},
- {OPTION, "option"},
- {BLANKTIME, "blanktime"},
- {STANDBYTIME, "standbytime"},
- {SUSPENDTIME, "suspendtime"},
- {OFFTIME, "offtime"},
- {DEFAULTLAYOUT, "defaultserverlayout"},
- {-1, ""},
-};
-
-#define CLEANUP xf86freeFlags
-
-XF86ConfFlagsPtr
-xf86parseFlagsSection (void)
-{
- int token;
- parsePrologue (XF86ConfFlagsPtr, XF86ConfFlagsRec)
-
- while ((token = xf86getToken (ServerFlagsTab)) != ENDSECTION)
- {
- int hasvalue = FALSE;
- int strvalue = FALSE;
- int tokentype;
- switch (token)
- {
- case COMMENT:
- ptr->flg_comment = xf86addComment(ptr->flg_comment, val.str);
- break;
- /*
- * these old keywords are turned into standard generic options.
- * we fall through here on purpose
- */
- case DEFAULTLAYOUT:
- strvalue = TRUE;
- case BLANKTIME:
- case STANDBYTIME:
- case SUSPENDTIME:
- case OFFTIME:
- hasvalue = TRUE;
- case NOTRAPSIGNALS:
- case DONTZAP:
- case DONTZOOM:
- case DISABLEVIDMODE:
- case ALLOWNONLOCAL:
- case DISABLEMODINDEV:
- case MODINDEVALLOWNONLOCAL:
- case ALLOWMOUSEOPENFAIL:
- {
- int i = 0;
- while (ServerFlagsTab[i].token != -1)
- {
- char *tmp;
-
- if (ServerFlagsTab[i].token == token)
- {
- char *valstr = NULL;
- tmp = strdup (ServerFlagsTab[i].name);
- if (hasvalue)
- {
- tokentype = xf86getSubToken(&(ptr->flg_comment));
- if (strvalue) {
- if (tokentype != STRING)
- Error (QUOTE_MSG, tmp);
- valstr = val.str;
- } else {
- if (tokentype != NUMBER)
- Error (NUMBER_MSG, tmp);
- if (asprintf(&valstr, "%d", val.num) == -1)
- valstr = NULL;
- }
- }
- ptr->flg_option_lst = xf86addNewOption
- (ptr->flg_option_lst, tmp, valstr);
- }
- i++;
- }
- }
- break;
- case OPTION:
- ptr->flg_option_lst = xf86parseOption(ptr->flg_option_lst);
- break;
-
- case EOF_TOKEN:
- Error (UNEXPECTED_EOF_MSG, NULL);
- break;
- default:
- Error (INVALID_KEYWORD_MSG, xf86tokenString ());
- break;
- }
- }
-
-#ifdef DEBUG
- printf ("Flags section parsed\n");
-#endif
-
- return ptr;
-}
-
-#undef CLEANUP
-
-void
-xf86printServerFlagsSection (FILE * f, XF86ConfFlagsPtr flags)
-{
- XF86OptionPtr p;
-
- if ((!flags) || (!flags->flg_option_lst))
- return;
- p = flags->flg_option_lst;
- fprintf (f, "Section \"ServerFlags\"\n");
- if (flags->flg_comment)
- fprintf (f, "%s", flags->flg_comment);
- xf86printOptionList(f, p, 1);
- fprintf (f, "EndSection\n\n");
-}
-
-static XF86OptionPtr
-addNewOption2 (XF86OptionPtr head, char *name, char *val, int used)
-{
- XF86OptionPtr new, old = NULL;
-
- /* Don't allow duplicates, free old strings */
- if (head != NULL && (old = xf86findOption(head, name)) != NULL) {
- new = old;
- free(new->opt_name);
- free(new->opt_val);
- }
- else
- new = calloc (1, sizeof (XF86OptionRec));
- new->opt_name = name;
- new->opt_val = val;
- new->opt_used = used;
-
- if (old)
- return head;
- return ((XF86OptionPtr) xf86addListItem ((glp) head, (glp) new));
-}
-
-XF86OptionPtr
-xf86addNewOption (XF86OptionPtr head, char *name, char *val)
-{
- return addNewOption2(head, name, val, 0);
-}
-
-void
-xf86freeFlags (XF86ConfFlagsPtr flags)
-{
- if (flags == NULL)
- return;
- xf86optionListFree (flags->flg_option_lst);
- TestFree(flags->flg_comment);
- free (flags);
-}
-
-XF86OptionPtr
-xf86optionListDup (XF86OptionPtr opt)
-{
- XF86OptionPtr newopt = NULL;
- char *val;
-
- while (opt)
- {
- val = opt->opt_val ? strdup(opt->opt_val) : NULL;
- newopt = xf86addNewOption(newopt, strdup(opt->opt_name), val);
- newopt->opt_used = opt->opt_used;
- if (opt->opt_comment)
- newopt->opt_comment = strdup(opt->opt_comment);
- opt = opt->list.next;
- }
- return newopt;
-}
-
-void
-xf86optionListFree (XF86OptionPtr opt)
-{
- XF86OptionPtr prev;
-
- while (opt)
- {
- TestFree (opt->opt_name);
- TestFree (opt->opt_val);
- TestFree (opt->opt_comment);
- prev = opt;
- opt = opt->list.next;
- free (prev);
- }
-}
-
-char *
-xf86optionName(XF86OptionPtr opt)
-{
- if (opt)
- return opt->opt_name;
- return 0;
-}
-
-char *
-xf86optionValue(XF86OptionPtr opt)
-{
- if (opt)
- return opt->opt_val;
- return 0;
-}
-
-XF86OptionPtr
-xf86newOption(char *name, char *value)
-{
- XF86OptionPtr opt;
-
- opt = calloc(1, sizeof (XF86OptionRec));
- if (!opt)
- return NULL;
-
- opt->opt_used = 0;
- opt->list.next = 0;
- opt->opt_name = name;
- opt->opt_val = value;
-
- return opt;
-}
-
-XF86OptionPtr
-xf86nextOption(XF86OptionPtr list)
-{
- if (!list)
- return NULL;
- return list->list.next;
-}
-
-/*
- * this function searches the given option list for the named option and
- * returns a pointer to the option rec if found. If not found, it returns
- * NULL
- */
-
-XF86OptionPtr
-xf86findOption (XF86OptionPtr list, const char *name)
-{
- while (list)
- {
- if (xf86nameCompare (list->opt_name, name) == 0)
- return list;
- list = list->list.next;
- }
- return NULL;
-}
-
-/*
- * this function searches the given option list for the named option. If
- * found and the option has a parameter, a pointer to the parameter is
- * returned. If the option does not have a parameter an empty string is
- * returned. If the option is not found, a NULL is returned.
- */
-
-char *
-xf86findOptionValue (XF86OptionPtr list, const char *name)
-{
- XF86OptionPtr p = xf86findOption (list, name);
-
- if (p)
- {
- if (p->opt_val)
- return p->opt_val;
- else
- return "";
- }
- return NULL;
-}
-
-XF86OptionPtr
-xf86optionListCreate( const char **options, int count, int used )
-{
- XF86OptionPtr p = NULL;
- char *t1, *t2;
- int i;
-
- if (count == -1)
- {
- for (count = 0; options[count]; count++)
- ;
- }
- if( (count % 2) != 0 )
- {
- fprintf( stderr, "xf86optionListCreate: count must be an even number.\n" );
- return NULL;
- }
- for (i = 0; i < count; i += 2)
- {
- t1 = strdup(options[i]);
- t2 = strdup(options[i + 1]);
- p = addNewOption2 (p, t1, t2, used);
- }
-
- return p;
-}
-
-/* the 2 given lists are merged. If an option with the same name is present in
- * both, the option from the user list - specified in the second argument -
- * is used. The end result is a single valid list of options. Duplicates
- * are freed, and the original lists are no longer guaranteed to be complete.
- */
-XF86OptionPtr
-xf86optionListMerge (XF86OptionPtr head, XF86OptionPtr tail)
-{
- XF86OptionPtr a, b, ap = NULL, bp = NULL;
-
- a = tail;
- b = head;
- while (tail && b) {
- if (xf86nameCompare (a->opt_name, b->opt_name) == 0) {
- if (b == head)
- head = a;
- else
- bp->list.next = a;
- if (a == tail)
- tail = a->list.next;
- else
- ap->list.next = a->list.next;
- a->list.next = b->list.next;
- b->list.next = NULL;
- xf86optionListFree (b);
- b = a->list.next;
- bp = a;
- a = tail;
- ap = NULL;
- } else {
- ap = a;
- if (!(a = a->list.next)) {
- a = tail;
- bp = b;
- b = b->list.next;
- ap = NULL;
- }
- }
- }
-
- if (head) {
- for (a = head; a->list.next; a = a->list.next)
- ;
- a->list.next = tail;
- } else
- head = tail;
-
- return head;
-}
-
-char *
-xf86uLongToString(unsigned long i)
-{
- char *s;
-
- if (asprintf(&s, "%lu", i) == -1)
- return NULL;
- return s;
-}
-
-XF86OptionPtr
-xf86parseOption(XF86OptionPtr head)
-{
- XF86OptionPtr option, cnew, old;
- char *name, *comment = NULL;
- int token;
-
- if ((token = xf86getSubToken(&comment)) != STRING) {
- xf86parseError(BAD_OPTION_MSG, NULL);
- free(comment);
- return head;
- }
-
- name = val.str;
- if ((token = xf86getSubToken(&comment)) == STRING) {
- option = xf86newOption(name, val.str);
- option->opt_comment = comment;
- if ((token = xf86getToken(NULL)) == COMMENT)
- option->opt_comment = xf86addComment(option->opt_comment, val.str);
- else
- xf86unGetToken(token);
- }
- else {
- option = xf86newOption(name, NULL);
- option->opt_comment = comment;
- if (token == COMMENT)
- option->opt_comment = xf86addComment(option->opt_comment, val.str);
- else
- xf86unGetToken(token);
- }
-
- old = NULL;
-
- /* Don't allow duplicates */
- if (head != NULL && (old = xf86findOption(head, name)) != NULL) {
- cnew = old;
- free(option->opt_name);
- TestFree(option->opt_val);
- TestFree(option->opt_comment);
- free(option);
- }
- else
- cnew = option;
-
- if (old == NULL)
- return ((XF86OptionPtr)xf86addListItem((glp)head, (glp)cnew));
-
- return head;
-}
-
-void
-xf86printOptionList(FILE *fp, XF86OptionPtr list, int tabs)
-{
- int i;
-
- if (!list)
- return;
- while (list) {
- for (i = 0; i < tabs; i++)
- fputc('\t', fp);
- if (list->opt_val)
- fprintf(fp, "Option \"%s\" \"%s\"", list->opt_name, list->opt_val);
- else
- fprintf(fp, "Option \"%s\"", list->opt_name);
- if (list->opt_comment)
- fprintf(fp, "%s", list->opt_comment);
- else
- fputc('\n', fp);
- list = list->list.next;
- }
-}
+/* + * Copyright (c) 1997 Metro Link Incorporated + * + * 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 X CONSORTIUM 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 Metro Link shall not be + * used in advertising or otherwise to promote the sale, use or other dealings + * in this Software without prior written authorization from Metro Link. + * + */ +/* + * Copyright (c) 1997-2003 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). + */ + + +/* View/edit this file with tab stops set to 4 */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86Parser.h" +#include "xf86tokens.h" +#include "Configint.h" +#include <X11/Xfuncproto.h> +#include "Xprintf.h" +#include "optionstr.h" + +extern LexRec val; + +static xf86ConfigSymTabRec ServerFlagsTab[] = +{ + {ENDSECTION, "endsection"}, + {NOTRAPSIGNALS, "notrapsignals"}, + {DONTZAP, "dontzap"}, + {DONTZOOM, "dontzoom"}, + {DISABLEVIDMODE, "disablevidmodeextension"}, + {ALLOWNONLOCAL, "allownonlocalxvidtune"}, + {DISABLEMODINDEV, "disablemodindev"}, + {MODINDEVALLOWNONLOCAL, "allownonlocalmodindev"}, + {ALLOWMOUSEOPENFAIL, "allowmouseopenfail"}, + {OPTION, "option"}, + {BLANKTIME, "blanktime"}, + {STANDBYTIME, "standbytime"}, + {SUSPENDTIME, "suspendtime"}, + {OFFTIME, "offtime"}, + {DEFAULTLAYOUT, "defaultserverlayout"}, + {-1, ""}, +}; + +#define CLEANUP xf86freeFlags + +XF86ConfFlagsPtr +xf86parseFlagsSection (void) +{ + int token; + parsePrologue (XF86ConfFlagsPtr, XF86ConfFlagsRec) + + while ((token = xf86getToken (ServerFlagsTab)) != ENDSECTION) + { + int hasvalue = FALSE; + int strvalue = FALSE; + int tokentype; + switch (token) + { + case COMMENT: + ptr->flg_comment = xf86addComment(ptr->flg_comment, val.str); + break; + /* + * these old keywords are turned into standard generic options. + * we fall through here on purpose + */ + case DEFAULTLAYOUT: + strvalue = TRUE; + case BLANKTIME: + case STANDBYTIME: + case SUSPENDTIME: + case OFFTIME: + hasvalue = TRUE; + case NOTRAPSIGNALS: + case DONTZAP: + case DONTZOOM: + case DISABLEVIDMODE: + case ALLOWNONLOCAL: + case DISABLEMODINDEV: + case MODINDEVALLOWNONLOCAL: + case ALLOWMOUSEOPENFAIL: + { + int i = 0; + while (ServerFlagsTab[i].token != -1) + { + char *tmp; + + if (ServerFlagsTab[i].token == token) + { + char *valstr = NULL; + tmp = strdup (ServerFlagsTab[i].name); + if (hasvalue) + { + tokentype = xf86getSubToken(&(ptr->flg_comment)); + if (strvalue) { + if (tokentype != STRING) + Error (QUOTE_MSG, tmp); + valstr = val.str; + } else { + if (tokentype != NUMBER) + Error (NUMBER_MSG, tmp); + if (asprintf(&valstr, "%d", val.num) == -1) + valstr = NULL; + } + } + ptr->flg_option_lst = xf86addNewOption + (ptr->flg_option_lst, tmp, valstr); + } + i++; + } + } + break; + case OPTION: + ptr->flg_option_lst = xf86parseOption(ptr->flg_option_lst); + break; + + case EOF_TOKEN: + Error (UNEXPECTED_EOF_MSG, NULL); + break; + default: + Error (INVALID_KEYWORD_MSG, xf86tokenString ()); + break; + } + } + +#ifdef DEBUG + printf ("Flags section parsed\n"); +#endif + + return ptr; +} + +#undef CLEANUP + +void +xf86printServerFlagsSection (FILE * f, XF86ConfFlagsPtr flags) +{ + XF86OptionPtr p; + + if ((!flags) || (!flags->flg_option_lst)) + return; + p = flags->flg_option_lst; + fprintf (f, "Section \"ServerFlags\"\n"); + if (flags->flg_comment) + fprintf (f, "%s", flags->flg_comment); + xf86printOptionList(f, p, 1); + fprintf (f, "EndSection\n\n"); +} + +static XF86OptionPtr +addNewOption2 (XF86OptionPtr head, char *name, char *val, int used) +{ + XF86OptionPtr new, old = NULL; + + /* Don't allow duplicates, free old strings */ + if (head != NULL && (old = xf86findOption(head, name)) != NULL) { + new = old; + free(new->opt_name); + free(new->opt_val); + } + else + new = calloc (1, sizeof (*new)); + new->opt_name = name; + new->opt_val = val; + new->opt_used = used; + + if (old) + return head; + return ((XF86OptionPtr) xf86addListItem ((glp) head, (glp) new)); +} + +XF86OptionPtr +xf86addNewOption (XF86OptionPtr head, char *name, char *val) +{ + return addNewOption2(head, name, val, 0); +} + +void +xf86freeFlags (XF86ConfFlagsPtr flags) +{ + if (flags == NULL) + return; + xf86optionListFree (flags->flg_option_lst); + TestFree(flags->flg_comment); + free (flags); +} + +XF86OptionPtr +xf86optionListDup (XF86OptionPtr opt) +{ + XF86OptionPtr newopt = NULL; + char *val; + + while (opt) + { + val = opt->opt_val ? strdup(opt->opt_val) : NULL; + newopt = xf86addNewOption(newopt, strdup(opt->opt_name), val); + newopt->opt_used = opt->opt_used; + if (opt->opt_comment) + newopt->opt_comment = strdup(opt->opt_comment); + opt = opt->list.next; + } + return newopt; +} + +void +xf86optionListFree (XF86OptionPtr opt) +{ + XF86OptionPtr prev; + + while (opt) + { + TestFree (opt->opt_name); + TestFree (opt->opt_val); + TestFree (opt->opt_comment); + prev = opt; + opt = opt->list.next; + free (prev); + } +} + +char * +xf86optionName(XF86OptionPtr opt) +{ + if (opt) + return opt->opt_name; + return 0; +} + +char * +xf86optionValue(XF86OptionPtr opt) +{ + if (opt) + return opt->opt_val; + return 0; +} + +XF86OptionPtr +xf86newOption(char *name, char *value) +{ + XF86OptionPtr opt; + + opt = calloc(1, sizeof (*opt)); + if (!opt) + return NULL; + + opt->opt_used = 0; + opt->list.next = 0; + opt->opt_name = name; + opt->opt_val = value; + + return opt; +} + +XF86OptionPtr +xf86nextOption(XF86OptionPtr list) +{ + if (!list) + return NULL; + return list->list.next; +} + +/* + * this function searches the given option list for the named option and + * returns a pointer to the option rec if found. If not found, it returns + * NULL + */ + +XF86OptionPtr +xf86findOption (XF86OptionPtr list, const char *name) +{ + while (list) + { + if (xf86nameCompare (list->opt_name, name) == 0) + return list; + list = list->list.next; + } + return NULL; +} + +/* + * this function searches the given option list for the named option. If + * found and the option has a parameter, a pointer to the parameter is + * returned. If the option does not have a parameter an empty string is + * returned. If the option is not found, a NULL is returned. + */ + +char * +xf86findOptionValue (XF86OptionPtr list, const char *name) +{ + XF86OptionPtr p = xf86findOption (list, name); + + if (p) + { + if (p->opt_val) + return p->opt_val; + else + return ""; + } + return NULL; +} + +XF86OptionPtr +xf86optionListCreate( const char **options, int count, int used ) +{ + XF86OptionPtr p = NULL; + char *t1, *t2; + int i; + + if (count == -1) + { + for (count = 0; options[count]; count++) + ; + } + if( (count % 2) != 0 ) + { + fprintf( stderr, "xf86optionListCreate: count must be an even number.\n" ); + return NULL; + } + for (i = 0; i < count; i += 2) + { + t1 = strdup(options[i]); + t2 = strdup(options[i + 1]); + p = addNewOption2 (p, t1, t2, used); + } + + return p; +} + +/* the 2 given lists are merged. If an option with the same name is present in + * both, the option from the user list - specified in the second argument - + * is used. The end result is a single valid list of options. Duplicates + * are freed, and the original lists are no longer guaranteed to be complete. + */ +XF86OptionPtr +xf86optionListMerge (XF86OptionPtr head, XF86OptionPtr tail) +{ + XF86OptionPtr a, b, ap = NULL, bp = NULL; + + a = tail; + b = head; + while (tail && b) { + if (xf86nameCompare (a->opt_name, b->opt_name) == 0) { + if (b == head) + head = a; + else + bp->list.next = a; + if (a == tail) + tail = a->list.next; + else + ap->list.next = a->list.next; + a->list.next = b->list.next; + b->list.next = NULL; + xf86optionListFree (b); + b = a->list.next; + bp = a; + a = tail; + ap = NULL; + } else { + ap = a; + if (!(a = a->list.next)) { + a = tail; + bp = b; + b = b->list.next; + ap = NULL; + } + } + } + + if (head) { + for (a = head; a->list.next; a = a->list.next) + ; + a->list.next = tail; + } else + head = tail; + + return head; +} + +char * +xf86uLongToString(unsigned long i) +{ + char *s; + + if (asprintf(&s, "%lu", i) == -1) + return NULL; + return s; +} + +XF86OptionPtr +xf86parseOption(XF86OptionPtr head) +{ + XF86OptionPtr option, cnew, old; + char *name, *comment = NULL; + int token; + + if ((token = xf86getSubToken(&comment)) != STRING) { + xf86parseError(BAD_OPTION_MSG, NULL); + free(comment); + return head; + } + + name = val.str; + if ((token = xf86getSubToken(&comment)) == STRING) { + option = xf86newOption(name, val.str); + option->opt_comment = comment; + if ((token = xf86getToken(NULL)) == COMMENT) + option->opt_comment = xf86addComment(option->opt_comment, val.str); + else + xf86unGetToken(token); + } + else { + option = xf86newOption(name, NULL); + option->opt_comment = comment; + if (token == COMMENT) + option->opt_comment = xf86addComment(option->opt_comment, val.str); + else + xf86unGetToken(token); + } + + old = NULL; + + /* Don't allow duplicates */ + if (head != NULL && (old = xf86findOption(head, name)) != NULL) { + cnew = old; + free(option->opt_name); + TestFree(option->opt_val); + TestFree(option->opt_comment); + free(option); + } + else + cnew = option; + + if (old == NULL) + return ((XF86OptionPtr)xf86addListItem((glp)head, (glp)cnew)); + + return head; +} + +void +xf86printOptionList(FILE *fp, XF86OptionPtr list, int tabs) +{ + int i; + + if (!list) + return; + while (list) { + for (i = 0; i < tabs; i++) + fputc('\t', fp); + if (list->opt_val) + fprintf(fp, "Option \"%s\" \"%s\"", list->opt_name, list->opt_val); + else + fprintf(fp, "Option \"%s\"", list->opt_name); + if (list->opt_comment) + fprintf(fp, "%s", list->opt_comment); + else + fputc('\n', fp); + list = list->list.next; + } +} |