diff options
Diffstat (limited to 'xorg-server/hw/xfree86/parser/Flags.c')
-rw-r--r-- | xorg-server/hw/xfree86/parser/Flags.c | 1031 |
1 files changed, 515 insertions, 516 deletions
diff --git a/xorg-server/hw/xfree86/parser/Flags.c b/xorg-server/hw/xfree86/parser/Flags.c index 699f15ceb..b6ffc1538 100644 --- a/xorg-server/hw/xfree86/parser/Flags.c +++ b/xorg-server/hw/xfree86/parser/Flags.c @@ -1,516 +1,515 @@ -/* - * 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 <math.h> -#include <X11/Xfuncproto.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; - /* can't use strdup because it calls malloc */ - 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); - valstr = malloc(16); - if (valstr) - sprintf(valstr, "%d", val.num); - } - } - 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) - { - /* can't use strdup because it calls malloc */ - t1 = malloc (sizeof (char) * - (strlen (options[i]) + 1)); - strcpy (t1, options[i]); - t2 = malloc (sizeof (char) * - (strlen (options[i + 1]) + 1)); - strcpy (t2, 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; - int l; - - l = ceil(log10((double)i) + 2.5); - s = malloc(l); - if (!s) - return NULL; - sprintf(s, "%lu", i); - 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); - if (comment) - 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 <math.h>
+#include <X11/Xfuncproto.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;
+ /* can't use strdup because it calls malloc */
+ 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);
+ valstr = malloc(16);
+ if (valstr)
+ sprintf(valstr, "%d", val.num);
+ }
+ }
+ 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)
+ {
+ /* can't use strdup because it calls malloc */
+ t1 = malloc (sizeof (char) *
+ (strlen (options[i]) + 1));
+ strcpy (t1, options[i]);
+ t2 = malloc (sizeof (char) *
+ (strlen (options[i + 1]) + 1));
+ strcpy (t2, 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;
+ int l;
+
+ l = ceil(log10((double)i) + 2.5);
+ s = malloc(l);
+ if (!s)
+ return NULL;
+ sprintf(s, "%lu", i);
+ 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;
+ }
+}
|