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-rw-r--r--xorg-server/hw/xfree86/parser/read.c311
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diff --git a/xorg-server/hw/xfree86/parser/read.c b/xorg-server/hw/xfree86/parser/read.c
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+/*
+ *
+ * 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"
+
+extern LexRec val;
+
+static xf86ConfigSymTabRec TopLevelTab[] =
+{
+ {SECTION, "section"},
+ {-1, ""},
+};
+
+#define CLEANUP xf86freeConfig
+
+/*
+ * This function resolves name references and reports errors if the named
+ * objects cannot be found.
+ */
+static int
+xf86validateConfig (XF86ConfigPtr p)
+{
+ if (!xf86validateScreen (p))
+ return FALSE;
+ if (!xf86validateInput (p))
+ return FALSE;
+ if (!xf86validateLayout (p))
+ return FALSE;
+
+ return (TRUE);
+}
+
+XF86ConfigPtr
+xf86readConfigFile (void)
+{
+ int token;
+ XF86ConfigPtr ptr = NULL;
+
+ if ((ptr = xf86confcalloc (1, sizeof (XF86ConfigRec))) == NULL)
+ {
+ return NULL;
+ }
+ memset (ptr, 0, sizeof (XF86ConfigRec));
+
+ while ((token = xf86getToken (TopLevelTab)) != EOF_TOKEN)
+ {
+ switch (token)
+ {
+ case COMMENT:
+ ptr->conf_comment = xf86addComment(ptr->conf_comment, val.str);
+ break;
+ case SECTION:
+ if (xf86getSubToken (&(ptr->conf_comment)) != STRING)
+ {
+ xf86parseError (QUOTE_MSG, "Section");
+ CLEANUP (ptr);
+ return (NULL);
+ }
+ xf86setSection (val.str);
+ if (xf86nameCompare (val.str, "files") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_RETURN (conf_files, xf86parseFilesSection ());
+ }
+ else if (xf86nameCompare (val.str, "serverflags") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_RETURN (conf_flags, xf86parseFlagsSection ());
+ }
+ else if (xf86nameCompare (val.str, "pointer") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_input_lst, xf86parsePointerSection,
+ XF86ConfInputPtr);
+ }
+ else if (xf86nameCompare (val.str, "videoadaptor") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_videoadaptor_lst, xf86parseVideoAdaptorSection,
+ XF86ConfVideoAdaptorPtr);
+ }
+ else if (xf86nameCompare (val.str, "device") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_device_lst, xf86parseDeviceSection,
+ XF86ConfDevicePtr);
+ }
+ else if (xf86nameCompare (val.str, "monitor") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_monitor_lst, xf86parseMonitorSection,
+ XF86ConfMonitorPtr);
+ }
+ else if (xf86nameCompare (val.str, "modes") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_modes_lst, xf86parseModesSection,
+ XF86ConfModesPtr);
+ }
+ else if (xf86nameCompare (val.str, "screen") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_screen_lst, xf86parseScreenSection,
+ XF86ConfScreenPtr);
+ }
+ else if (xf86nameCompare(val.str, "inputdevice") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_input_lst, xf86parseInputSection,
+ XF86ConfInputPtr);
+ }
+ else if (xf86nameCompare (val.str, "module") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_RETURN (conf_modules, xf86parseModuleSection ());
+ }
+ else if (xf86nameCompare (val.str, "serverlayout") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_layout_lst, xf86parseLayoutSection,
+ XF86ConfLayoutPtr);
+ }
+ else if (xf86nameCompare (val.str, "vendor") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_LIST (conf_vendor_lst, xf86parseVendorSection,
+ XF86ConfVendorPtr);
+ }
+ else if (xf86nameCompare (val.str, "dri") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_RETURN (conf_dri, xf86parseDRISection ());
+ }
+ else if (xf86nameCompare (val.str, "extensions") == 0)
+ {
+ xf86conffree(val.str);
+ val.str = NULL;
+ HANDLE_RETURN (conf_extensions, xf86parseExtensionsSection ());
+ }
+ else
+ {
+ Error (INVALID_SECTION_MSG, xf86tokenString ());
+ xf86conffree(val.str);
+ val.str = NULL;
+ }
+ break;
+ default:
+ Error (INVALID_KEYWORD_MSG, xf86tokenString ());
+ xf86conffree(val.str);
+ val.str = NULL;
+ }
+ }
+
+ if (xf86validateConfig (ptr))
+ return (ptr);
+ else
+ {
+ CLEANUP (ptr);
+ return (NULL);
+ }
+}
+
+#undef CLEANUP
+
+/*
+ * adds an item to the end of the linked list. Any record whose first field
+ * is a GenericListRec can be cast to this type and used with this function.
+ * A pointer to the head of the list is returned to handle the addition of
+ * the first item.
+ */
+GenericListPtr
+xf86addListItem (GenericListPtr head, GenericListPtr new)
+{
+ GenericListPtr p = head;
+ GenericListPtr last = NULL;
+
+ while (p)
+ {
+ last = p;
+ p = p->next;
+ }
+
+ if (last)
+ {
+ last->next = new;
+ return (head);
+ }
+ else
+ return (new);
+}
+
+/*
+ * Test if one chained list contains the other.
+ * In this case both list have the same endpoint (provided they don't loop)
+ */
+int
+xf86itemNotSublist(GenericListPtr list_1, GenericListPtr list_2)
+{
+ GenericListPtr p = list_1;
+ GenericListPtr last_1 = NULL, last_2 = NULL;
+
+ while (p) {
+ last_1 = p;
+ p = p->next;
+ }
+
+ p = list_2;
+ while (p) {
+ last_2 = p;
+ p = p->next;
+ }
+
+ return (!(last_1 == last_2));
+}
+
+void
+xf86freeConfig (XF86ConfigPtr p)
+{
+ if (p == NULL)
+ return;
+
+ xf86freeFiles (p->conf_files);
+ xf86freeModules (p->conf_modules);
+ xf86freeFlags (p->conf_flags);
+ xf86freeMonitorList (p->conf_monitor_lst);
+ xf86freeModesList (p->conf_modes_lst);
+ xf86freeVideoAdaptorList (p->conf_videoadaptor_lst);
+ xf86freeDeviceList (p->conf_device_lst);
+ xf86freeScreenList (p->conf_screen_lst);
+ xf86freeLayoutList (p->conf_layout_lst);
+ xf86freeInputList (p->conf_input_lst);
+ xf86freeVendorList (p->conf_vendor_lst);
+ xf86freeDRI (p->conf_dri);
+ xf86freeExtensions (p->conf_extensions);
+ TestFree(p->conf_comment);
+
+ xf86conffree (p);
+}