libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update

23 Mar 2012

1 files changed, 688 insertions, 607 deletions

diff --git a/xorg-server/hw/dmx/config/dmxparse.c b/xorg-server/hw/dmx/config/dmxparse.c
index f75151eac..cf510844d 100644
--- a/xorg-server/hw/dmx/config/dmxparse.c
+++ b/xorg-server/hw/dmx/config/dmxparse.c
@@ -1,607 +1,688 @@
-/*

- * Copyright 2002 Red Hat Inc., Durham, North Carolina.

- *

- * All Rights Reserved.

- *

- * 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 on 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 (including the

- * next paragraph) 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

- * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS

- * 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.

- */

-

-/*

- * Authors:

- *   Rickard E. (Rik) Faith <faith@redhat.com>

- *

- */

-

-/** \file

- *

- * This file provides support routines and helper functions to be used

- * by the DMX configuration file parser.

- *

- * Because the DMX configuration file parsing should be capable of being

- * used in a stand-alone fashion (i.e., independent from the DMX server

- * source tree), no dependencies on other DMX routines are made. */

-

-#ifdef HAVE_DMX_CONFIG_H

-#include <dmx-config.h>

-#endif

-

-#include <stdio.h>

-#include <stdlib.h>

-#include <string.h>

-#include <stdarg.h>

-#include "dmxparse.h"

-

-/** A general error logging routine that does not depend on the dmxLog

- * functions. */

-void dmxConfigLog(const char *format, ...)

-{

-    va_list args;

-    

-    va_start(args, format);

-    vprintf(format, args);      /* RATS: All calls to dmxConfigLog from

-                                 * dmxparse.c and dmxprint.c use a

-                                 * trusted format. */

-    va_end(args);

-}

-

-void *dmxConfigAlloc(unsigned long bytes)

-{

-    void *area = calloc(1, bytes);

-    if (!area) {

-        dmxConfigLog("dmxConfigAlloc: out of memory\n");

-        return NULL;

-    }

-    return area;

-}

-

-void *dmxConfigRealloc(void *orig, unsigned long orig_bytes,

-                       unsigned long bytes)

-{

-    unsigned char *area = realloc(orig, bytes);

-    if (!area) {

-        dmxConfigLog("dmxConfigRealloc: out of memory\n");

-        return NULL;

-    }

-    memset(area + orig_bytes, 0, bytes - orig_bytes);

-    return area;

-}

-

-const char *dmxConfigCopyString(const char *string, int length)

-{

-    char *copy;

-    

-    if (!length) length = strlen(string);

-    copy = dmxConfigAlloc(length + 1);

-    if (length) strncpy(copy, string, length);

-    copy[length] = '\0';

-    return copy;

-}

-

-void dmxConfigFree(void *area)

-{

-    free(area);

-}

-

-DMXConfigTokenPtr dmxConfigCreateToken(int token, int line,

-                                       const char *comment)

-{

-    DMXConfigTokenPtr pToken = dmxConfigAlloc(sizeof(*pToken));

-    pToken->token   = token;

-    pToken->line    = line;

-    pToken->comment = comment;

-    return pToken;

-}

-

-void dmxConfigFreeToken(DMXConfigTokenPtr p)

-{

-    if (!p) return;

-    dmxConfigFree((void *)p->comment);

-    dmxConfigFree(p);

-}

-

-DMXConfigStringPtr dmxConfigCreateString(int token, int line,

-                                         const char *comment,

-                                         const char *string)

-{

-    DMXConfigStringPtr pString = dmxConfigAlloc(sizeof(*pString));

-

-    pString->token   = token;

-    pString->line    = line;

-    pString->comment = comment;

-    pString->string  = string;

-    return pString;

-}

-

-void dmxConfigFreeString(DMXConfigStringPtr p)

-{

-    DMXConfigStringPtr next;

-

-    if (!p) return;

-    do {

-        next = p->next;

-        dmxConfigFree((void *)p->comment);

-        dmxConfigFree((void *)p->string);

-        dmxConfigFree(p);

-    } while ((p = next));

-}

- 

-DMXConfigNumberPtr dmxConfigCreateNumber(int token, int line,

-                                         const char *comment,

-                                         int number)

-{

-    DMXConfigNumberPtr pNumber = dmxConfigAlloc(sizeof(*pNumber));

-

-    pNumber->token   = token;

-    pNumber->line    = line;

-    pNumber->comment = comment;

-    pNumber->number  = number;

-    return pNumber;

-}

-

-void dmxConfigFreeNumber(DMXConfigNumberPtr p)

-{

-    if (!p) return;

-    dmxConfigFree((void *)p->comment);

-    dmxConfigFree(p);

-}

-

-DMXConfigPairPtr dmxConfigCreatePair(int token, int line,

-                                     const char *comment,

-                                     int x, int y,

-                                     int xsign, int ysign)

-{

-    DMXConfigPairPtr pPair = dmxConfigAlloc(sizeof(*pPair));

-

-    pPair->token   = token;

-    pPair->line    = line;

-    pPair->comment = comment;

-    pPair->x       = x;

-    pPair->y       = y;

-    pPair->xsign   = (xsign < 0) ? -1 : 1;

-    pPair->ysign   = (ysign < 0) ? -1 : 1;

-    return pPair;

-}

-

-void dmxConfigFreePair(DMXConfigPairPtr p)

-{

-    if (!p) return;

-    dmxConfigFree((void *)p->comment);

-    dmxConfigFree(p);

-}

-

-DMXConfigCommentPtr dmxConfigCreateComment(int token, int line,

-                                           const char *comment)

-{

-    DMXConfigCommentPtr pComment = dmxConfigAlloc(sizeof(*pComment));

-

-    pComment->token   = token;

-    pComment->line    = line;

-    pComment->comment = comment;

-    return pComment;

-}

-

-void dmxConfigFreeComment(DMXConfigCommentPtr p)

-{

-    if (!p) return;

-    dmxConfigFree((void *)p->comment);

-    dmxConfigFree(p);

-}

-

-DMXConfigPartDimPtr dmxConfigCreatePartDim(DMXConfigPairPtr pDim,

-                                           DMXConfigPairPtr pOffset)

-{

-    DMXConfigPartDimPtr pPart = dmxConfigAlloc(sizeof(*pPart));

-    pPart->dim    = pDim;

-    pPart->offset = pOffset;

-    return pPart;

-}

-

-void dmxConfigFreePartDim(DMXConfigPartDimPtr p)

-{

-    if (!p) return;

-    dmxConfigFreePair(p->dim);

-    dmxConfigFreePair(p->offset);

-    dmxConfigFree(p);

-}

-

-DMXConfigFullDimPtr dmxConfigCreateFullDim(DMXConfigPartDimPtr pScrn,

-                                           DMXConfigPartDimPtr pRoot)

-{

-    DMXConfigFullDimPtr pFull = dmxConfigAlloc(sizeof(*pFull));

-    pFull->scrn = pScrn;

-    pFull->root = pRoot;

-    return pFull;

-}

-

-void dmxConfigFreeFullDim(DMXConfigFullDimPtr p)

-{

-    if (!p) return;

-    dmxConfigFreePartDim(p->scrn);

-    dmxConfigFreePartDim(p->root);

-    dmxConfigFree(p);

-}

-

-DMXConfigDisplayPtr dmxConfigCreateDisplay(DMXConfigTokenPtr pStart,

-                                           DMXConfigStringPtr pName,

-                                           DMXConfigFullDimPtr pDim,

-                                           DMXConfigPairPtr pOrigin,

-                                           DMXConfigTokenPtr pEnd)

-{

-    DMXConfigDisplayPtr pDisplay = dmxConfigAlloc(sizeof(*pDisplay));

-

-    pDisplay->start          = pStart;

-    pDisplay->dname          = pName;

-    pDisplay->dim            = pDim;

-    pDisplay->origin         = pOrigin;

-    pDisplay->end            = pEnd;

-

-    pDisplay->name           = pName ? pName->string : NULL;

-    pDisplay->rootXOrigin    = pOrigin ? pOrigin->x : 0;

-    pDisplay->rootYOrigin    = pOrigin ? pOrigin->y : 0;

-

-    if (pDim && pDim->scrn && pDim->scrn->dim) {

-        pDisplay->scrnWidth  = pDim->scrn->dim->x;

-        pDisplay->scrnHeight = pDim->scrn->dim->y;

-    }

-    if (pDim && pDim->scrn && pDim->scrn->offset) {

-        pDisplay->scrnX      = pDim->scrn->offset->x;

-        pDisplay->scrnY      = pDim->scrn->offset->y;

-        pDisplay->scrnXSign  = pDim->scrn->offset->xsign;

-        pDisplay->scrnYSign  = pDim->scrn->offset->ysign;

-    }

-    

-    if (pDim && pDim->root) {

-        if (pDim->root->dim) {

-            pDisplay->rootWidth  = pDim->root->dim->x;

-            pDisplay->rootHeight = pDim->root->dim->y;

-        }

-        if (pDim->root->offset) {

-            pDisplay->rootX      = pDim->root->offset->x;

-            pDisplay->rootY      = pDim->root->offset->y;

-            pDisplay->rootXSign  = pDim->root->offset->xsign;

-            pDisplay->rootYSign  = pDim->root->offset->ysign;

-        }

-    } else {                    /* If no root specification, copy width

-                                 * and height from scrn -- leave offset

-                                 * as zero, since it is relative to

-                                 * scrn. */

-        pDisplay->rootWidth  = pDisplay->scrnWidth;

-        pDisplay->rootHeight = pDisplay->scrnHeight;

-    }

-

-

-    return pDisplay;

-}

-

-void dmxConfigFreeDisplay(DMXConfigDisplayPtr p)

-{

-    if (!p) return;

-    dmxConfigFreeToken(p->start);

-    dmxConfigFreeString(p->dname);

-    dmxConfigFreeFullDim(p->dim);

-    dmxConfigFreeToken(p->end);

-    dmxConfigFree(p);

-}

-

-DMXConfigWallPtr dmxConfigCreateWall(DMXConfigTokenPtr pStart,

-                                     DMXConfigPairPtr pWallDim,

-                                     DMXConfigPairPtr pDisplayDim,

-                                     DMXConfigStringPtr pNameList,

-                                     DMXConfigTokenPtr pEnd)

-{

-    DMXConfigWallPtr pWall = dmxConfigAlloc(sizeof(*pWall));

-

-    pWall->start      = pStart;

-    pWall->wallDim    = pWallDim;

-    pWall->displayDim = pDisplayDim;

-    pWall->nameList   = pNameList;

-    pWall->end        = pEnd;

-

-    pWall->width      = pDisplayDim ? pDisplayDim->x : 0;

-    pWall->height     = pDisplayDim ? pDisplayDim->y : 0;

-    pWall->xwall      = pWallDim    ? pWallDim->x    : 0;

-    pWall->ywall      = pWallDim    ? pWallDim->y    : 0;

-

-    return pWall;

-}

-

-void dmxConfigFreeWall(DMXConfigWallPtr p)

-{

-    if (!p) return;

-    dmxConfigFreeToken(p->start);

-    dmxConfigFreePair(p->wallDim);

-    dmxConfigFreePair(p->displayDim);

-    dmxConfigFreeString(p->nameList);

-    dmxConfigFreeToken(p->end);

-    dmxConfigFree(p);

-}

-

-DMXConfigOptionPtr dmxConfigCreateOption(DMXConfigTokenPtr pStart,

-                                         DMXConfigStringPtr pOption,

-                                         DMXConfigTokenPtr pEnd)

-{

-    int                length = 0;

-    int                offset = 0;

-    DMXConfigStringPtr p;

-    DMXConfigOptionPtr option = dmxConfigAlloc(sizeof(*option));

-

-    for (p = pOption; p; p = p->next) {

-        if (p->string) length += strlen(p->string) + 1;

-    }

-

-    option->string = dmxConfigAlloc(length + 1);

-    

-    for (p = pOption; p; p = p->next) {

-        if (p->string) {

-            int len = strlen(p->string);

-            strncpy(option->string + offset, p->string, len);

-            offset += len;

-            if (p->next) option->string[offset++] = ' ';

-        }

-    }

-    option->string[offset] = '\0';

-

-    option->start  = pStart;

-    option->option = pOption;

-    option->end    = pEnd;

-

-    return option;

-}

-

-void dmxConfigFreeOption(DMXConfigOptionPtr p)

-{

-    if (!p) return;

-    free(p->string);

-    dmxConfigFreeToken(p->start);

-    dmxConfigFreeString(p->option);

-    dmxConfigFreeToken(p->end);

-    dmxConfigFree(p);

-}

-

-const char **dmxConfigLookupParam(DMXConfigParamPtr p, const char *key,

-                                  int *argc)

-{

-    DMXConfigParamPtr pt;

-

-    for (pt = p; pt; pt = pt->next) {

-        if (pt->argv && !strcasecmp(pt->argv[0], key)) {

-            *argc = pt->argc;

-            return pt->argv;

-        }

-    }

-    *argc  = 0;

-    return NULL;

-}

-

-DMXConfigParamPtr dmxConfigCreateParam(DMXConfigTokenPtr pStart,

-                                       DMXConfigTokenPtr pOpen,

-                                       DMXConfigStringPtr pParam,

-                                       DMXConfigTokenPtr pClose,

-                                       DMXConfigTokenPtr pEnd)

-{

-    DMXConfigParamPtr  param = dmxConfigAlloc(sizeof(*param));

-    DMXConfigStringPtr pt;

-

-    param->argc = 0;

-    param->argv = NULL;

-    for (pt = pParam; pt; pt = pt->next) {

-        if (pt->string) {

-            param->argv = realloc(param->argv,

-                                  (param->argc+2) * sizeof(*param->argv));

-            param->argv[param->argc] = pt->string;

-            ++param->argc;

-        }

-    }

-    if (param->argv) param->argv[param->argc] = NULL;

-

-    param->start = pStart;

-    param->open  = pOpen;

-    param->param = pParam;

-    param->close = pClose;

-    param->end   = pEnd;

-

-    return param;

-}

-

-void dmxConfigFreeParam(DMXConfigParamPtr p)

-{

-    DMXConfigParamPtr next;

-

-    if (!p) return;

-    do {

-        next = p->next;

-        dmxConfigFreeToken(p->start);

-        dmxConfigFreeToken(p->open);

-        dmxConfigFreeString(p->param);

-        dmxConfigFreeToken(p->close);

-        dmxConfigFreeToken(p->end);

-        dmxConfigFree(p->argv);

-        dmxConfigFree(p);

-    } while ((p = next));

-}

-

-DMXConfigSubPtr dmxConfigCreateSub(DMXConfigType type,

-                                   DMXConfigCommentPtr comment,

-                                   DMXConfigDisplayPtr display,

-                                   DMXConfigWallPtr wall,

-                                   DMXConfigOptionPtr option,

-                                   DMXConfigParamPtr param)

-{

-    DMXConfigSubPtr pSub = dmxConfigAlloc(sizeof(*pSub));

-    pSub->type = type;

-    switch (type) {

-    case dmxConfigComment: pSub->comment = comment;                     break;

-    case dmxConfigDisplay: pSub->display = display;                     break;

-    case dmxConfigWall:    pSub->wall    = wall;                        break;

-    case dmxConfigOption:  pSub->option  = option;                      break;

-    case dmxConfigParam:   pSub->param   = param;                       break;

-    default: dmxConfigLog("Type %d not supported in subentry\n", type); break;

-    }

-    return pSub;

-}

-

-void dmxConfigFreeSub(DMXConfigSubPtr sub)

-{

-    DMXConfigSubPtr pt;

-

-    for (pt = sub; pt; pt = pt->next) {

-        switch (pt->type) {

-        case dmxConfigComment: dmxConfigFreeComment(pt->comment); break;

-        case dmxConfigDisplay: dmxConfigFreeDisplay(pt->display); break;

-        case dmxConfigWall:    dmxConfigFreeWall(pt->wall);       break;

-        case dmxConfigOption:  dmxConfigFreeOption(pt->option);   break;

-        case dmxConfigParam:   dmxConfigFreeParam(pt->param);     break;

-        default:

-            dmxConfigLog("Type %d not supported in subentry\n", pt->type);

-            break;

-        }

-    }

-    dmxConfigFree(sub);

-}

-

-DMXConfigSubPtr dmxConfigSubComment(DMXConfigCommentPtr comment)

-{

-    return dmxConfigCreateSub(dmxConfigComment, comment, NULL, NULL, NULL,

-                              NULL);

-}

-

-DMXConfigSubPtr dmxConfigSubDisplay(DMXConfigDisplayPtr display)

-{

-    return dmxConfigCreateSub(dmxConfigDisplay, NULL, display, NULL, NULL,

-                              NULL);

-}

-

-DMXConfigSubPtr dmxConfigSubWall(DMXConfigWallPtr wall)

-{

-    return dmxConfigCreateSub(dmxConfigWall, NULL, NULL, wall, NULL, NULL);

-}

-

-DMXConfigSubPtr dmxConfigSubOption(DMXConfigOptionPtr option)

-{

-    return dmxConfigCreateSub(dmxConfigOption, NULL, NULL, NULL, option, NULL);

-}

-

-DMXConfigSubPtr dmxConfigSubParam(DMXConfigParamPtr param)

-{

-    return dmxConfigCreateSub(dmxConfigParam, NULL, NULL, NULL, NULL, param);

-}

-

-extern DMXConfigSubPtr dmxConfigAddSub(DMXConfigSubPtr head,

-                                       DMXConfigSubPtr sub)

-{

-    DMXConfigSubPtr pt;

-    

-    if (!head) return sub;

-    for (pt = head; pt->next; pt = pt->next);

-    pt->next = sub;

-    return head;

-}

-

-DMXConfigVirtualPtr dmxConfigCreateVirtual(DMXConfigTokenPtr pStart,

-                                           DMXConfigStringPtr pName,

-                                           DMXConfigPairPtr pDim,

-                                           DMXConfigTokenPtr pOpen,

-                                           DMXConfigSubPtr pSubentry,

-                                           DMXConfigTokenPtr pClose)

-{

-    DMXConfigVirtualPtr pVirtual = dmxConfigAlloc(sizeof(*pVirtual));

-

-    pVirtual->start    = pStart;

-    pVirtual->vname    = pName;

-    pVirtual->dim      = pDim;

-    pVirtual->open     = pOpen;

-    pVirtual->subentry = pSubentry;

-    pVirtual->close    = pClose;

-

-    pVirtual->name     = pName ? pName->string : NULL;

-    pVirtual->width    = pDim ? pDim->x : 0;

-    pVirtual->height   = pDim ? pDim->y : 0;

-    

-    return pVirtual;

-}

-

-void dmxConfigFreeVirtual(DMXConfigVirtualPtr virtual)

-{

-    dmxConfigFreeToken(virtual->start);

-    dmxConfigFreeString(virtual->vname);

-    dmxConfigFreePair(virtual->dim);

-    dmxConfigFreeToken(virtual->open);

-    dmxConfigFreeSub(virtual->subentry);

-    dmxConfigFreeToken(virtual->close);

-    dmxConfigFree(virtual);

-}

-

-DMXConfigEntryPtr dmxConfigCreateEntry(DMXConfigType type,

-                                       DMXConfigCommentPtr comment,

-                                       DMXConfigVirtualPtr virtual)

-{

-    DMXConfigEntryPtr pEntry = dmxConfigAlloc(sizeof(*pEntry));

-    pEntry->type = type;

-    switch (type) {

-    case dmxConfigComment: pEntry->comment = comment;                break;

-    case dmxConfigVirtual: pEntry->virtual = virtual;                break;

-    default: dmxConfigLog("Type %d not supported in entry\n", type); break;

-    }

-    return pEntry;

-}

-

-void dmxConfigFreeEntry(DMXConfigEntryPtr entry)

-{

-    DMXConfigEntryPtr pt;

-

-    for (pt = entry; pt; pt = pt->next) {

-        switch (pt->type) {

-        case dmxConfigComment: dmxConfigFreeComment(pt->comment); break;

-        case dmxConfigVirtual: dmxConfigFreeVirtual(pt->virtual); break;

-        default:

-            dmxConfigLog("Type %d not supported in entry\n", pt->type);

-            break;

-        }

-    }

-    dmxConfigFree(entry);

-}

-

-DMXConfigEntryPtr dmxConfigAddEntry(DMXConfigEntryPtr head,

-                                    DMXConfigType type,

-                                    DMXConfigCommentPtr comment,

-                                    DMXConfigVirtualPtr virtual)

-{

-    DMXConfigEntryPtr child = dmxConfigCreateEntry(type, comment, virtual);

-    DMXConfigEntryPtr pt;

-

-    if (!head) return child;

-

-    for (pt = head; pt->next; pt = pt->next);

-    pt->next = child;

-

-    return head;

-}

-

-DMXConfigEntryPtr dmxConfigEntryComment(DMXConfigCommentPtr comment)

-{

-    return dmxConfigCreateEntry(dmxConfigComment, comment, NULL);

-}

-

-DMXConfigEntryPtr dmxConfigEntryVirtual(DMXConfigVirtualPtr virtual)

-{

-    return dmxConfigCreateEntry(dmxConfigVirtual, NULL, virtual);

-}

+/*
+ * Copyright 2002 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * 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 on 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 (including the
+ * next paragraph) 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
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * 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.
+ */
+
+/*
+ * Authors:
+ *   Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+/** \file
+ *
+ * This file provides support routines and helper functions to be used
+ * by the DMX configuration file parser.
+ *
+ * Because the DMX configuration file parsing should be capable of being
+ * used in a stand-alone fashion (i.e., independent from the DMX server
+ * source tree), no dependencies on other DMX routines are made. */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include "dmxparse.h"
+
+/** A general error logging routine that does not depend on the dmxLog
+ * functions. */
+void
+dmxConfigLog(const char *format, ...)
+{
+    va_list args;
+
+    va_start(args, format);
+    vprintf(format, args);      /* RATS: All calls to dmxConfigLog from
+                                 * dmxparse.c and dmxprint.c use a
+                                 * trusted format. */
+    va_end(args);
+}
+
+void *
+dmxConfigAlloc(unsigned long bytes)
+{
+    void *area = calloc(1, bytes);
+
+    if (!area) {
+        dmxConfigLog("dmxConfigAlloc: out of memory\n");
+        return NULL;
+    }
+    return area;
+}
+
+void *
+dmxConfigRealloc(void *orig, unsigned long orig_bytes, unsigned long bytes)
+{
+    unsigned char *area = realloc(orig, bytes);
+
+    if (!area) {
+        dmxConfigLog("dmxConfigRealloc: out of memory\n");
+        return NULL;
+    }
+    memset(area + orig_bytes, 0, bytes - orig_bytes);
+    return area;
+}
+
+const char *
+dmxConfigCopyString(const char *string, int length)
+{
+    char *copy;
+
+    if (!length)
+        length = strlen(string);
+    copy = dmxConfigAlloc(length + 1);
+    if (length)
+        strncpy(copy, string, length);
+    copy[length] = '\0';
+    return copy;
+}
+
+void
+dmxConfigFree(void *area)
+{
+    free(area);
+}
+
+DMXConfigTokenPtr
+dmxConfigCreateToken(int token, int line, const char *comment)
+{
+    DMXConfigTokenPtr pToken = dmxConfigAlloc(sizeof(*pToken));
+
+    pToken->token = token;
+    pToken->line = line;
+    pToken->comment = comment;
+    return pToken;
+}
+
+void
+dmxConfigFreeToken(DMXConfigTokenPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFree((void *) p->comment);
+    dmxConfigFree(p);
+}
+
+DMXConfigStringPtr
+dmxConfigCreateString(int token, int line,
+                      const char *comment, const char *string)
+{
+    DMXConfigStringPtr pString = dmxConfigAlloc(sizeof(*pString));
+
+    pString->token = token;
+    pString->line = line;
+    pString->comment = comment;
+    pString->string = string;
+    return pString;
+}
+
+void
+dmxConfigFreeString(DMXConfigStringPtr p)
+{
+    DMXConfigStringPtr next;
+
+    if (!p)
+        return;
+    do {
+        next = p->next;
+        dmxConfigFree((void *) p->comment);
+        dmxConfigFree((void *) p->string);
+        dmxConfigFree(p);
+    } while ((p = next));
+}
+
+DMXConfigNumberPtr
+dmxConfigCreateNumber(int token, int line, const char *comment, int number)
+{
+    DMXConfigNumberPtr pNumber = dmxConfigAlloc(sizeof(*pNumber));
+
+    pNumber->token = token;
+    pNumber->line = line;
+    pNumber->comment = comment;
+    pNumber->number = number;
+    return pNumber;
+}
+
+void
+dmxConfigFreeNumber(DMXConfigNumberPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFree((void *) p->comment);
+    dmxConfigFree(p);
+}
+
+DMXConfigPairPtr
+dmxConfigCreatePair(int token, int line,
+                    const char *comment, int x, int y, int xsign, int ysign)
+{
+    DMXConfigPairPtr pPair = dmxConfigAlloc(sizeof(*pPair));
+
+    pPair->token = token;
+    pPair->line = line;
+    pPair->comment = comment;
+    pPair->x = x;
+    pPair->y = y;
+    pPair->xsign = (xsign < 0) ? -1 : 1;
+    pPair->ysign = (ysign < 0) ? -1 : 1;
+    return pPair;
+}
+
+void
+dmxConfigFreePair(DMXConfigPairPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFree((void *) p->comment);
+    dmxConfigFree(p);
+}
+
+DMXConfigCommentPtr
+dmxConfigCreateComment(int token, int line, const char *comment)
+{
+    DMXConfigCommentPtr pComment = dmxConfigAlloc(sizeof(*pComment));
+
+    pComment->token = token;
+    pComment->line = line;
+    pComment->comment = comment;
+    return pComment;
+}
+
+void
+dmxConfigFreeComment(DMXConfigCommentPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFree((void *) p->comment);
+    dmxConfigFree(p);
+}
+
+DMXConfigPartDimPtr
+dmxConfigCreatePartDim(DMXConfigPairPtr pDim, DMXConfigPairPtr pOffset)
+{
+    DMXConfigPartDimPtr pPart = dmxConfigAlloc(sizeof(*pPart));
+
+    pPart->dim = pDim;
+    pPart->offset = pOffset;
+    return pPart;
+}
+
+void
+dmxConfigFreePartDim(DMXConfigPartDimPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFreePair(p->dim);
+    dmxConfigFreePair(p->offset);
+    dmxConfigFree(p);
+}
+
+DMXConfigFullDimPtr
+dmxConfigCreateFullDim(DMXConfigPartDimPtr pScrn, DMXConfigPartDimPtr pRoot)
+{
+    DMXConfigFullDimPtr pFull = dmxConfigAlloc(sizeof(*pFull));
+
+    pFull->scrn = pScrn;
+    pFull->root = pRoot;
+    return pFull;
+}
+
+void
+dmxConfigFreeFullDim(DMXConfigFullDimPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFreePartDim(p->scrn);
+    dmxConfigFreePartDim(p->root);
+    dmxConfigFree(p);
+}
+
+DMXConfigDisplayPtr
+dmxConfigCreateDisplay(DMXConfigTokenPtr pStart,
+                       DMXConfigStringPtr pName,
+                       DMXConfigFullDimPtr pDim,
+                       DMXConfigPairPtr pOrigin, DMXConfigTokenPtr pEnd)
+{
+    DMXConfigDisplayPtr pDisplay = dmxConfigAlloc(sizeof(*pDisplay));
+
+    pDisplay->start = pStart;
+    pDisplay->dname = pName;
+    pDisplay->dim = pDim;
+    pDisplay->origin = pOrigin;
+    pDisplay->end = pEnd;
+
+    pDisplay->name = pName ? pName->string : NULL;
+    pDisplay->rootXOrigin = pOrigin ? pOrigin->x : 0;
+    pDisplay->rootYOrigin = pOrigin ? pOrigin->y : 0;
+
+    if (pDim && pDim->scrn && pDim->scrn->dim) {
+        pDisplay->scrnWidth = pDim->scrn->dim->x;
+        pDisplay->scrnHeight = pDim->scrn->dim->y;
+    }
+    if (pDim && pDim->scrn && pDim->scrn->offset) {
+        pDisplay->scrnX = pDim->scrn->offset->x;
+        pDisplay->scrnY = pDim->scrn->offset->y;
+        pDisplay->scrnXSign = pDim->scrn->offset->xsign;
+        pDisplay->scrnYSign = pDim->scrn->offset->ysign;
+    }
+
+    if (pDim && pDim->root) {
+        if (pDim->root->dim) {
+            pDisplay->rootWidth = pDim->root->dim->x;
+            pDisplay->rootHeight = pDim->root->dim->y;
+        }
+        if (pDim->root->offset) {
+            pDisplay->rootX = pDim->root->offset->x;
+            pDisplay->rootY = pDim->root->offset->y;
+            pDisplay->rootXSign = pDim->root->offset->xsign;
+            pDisplay->rootYSign = pDim->root->offset->ysign;
+        }
+    }
+    else {                      /* If no root specification, copy width
+                                 * and height from scrn -- leave offset
+                                 * as zero, since it is relative to
+                                 * scrn. */
+        pDisplay->rootWidth = pDisplay->scrnWidth;
+        pDisplay->rootHeight = pDisplay->scrnHeight;
+    }
+
+    return pDisplay;
+}
+
+void
+dmxConfigFreeDisplay(DMXConfigDisplayPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFreeToken(p->start);
+    dmxConfigFreeString(p->dname);
+    dmxConfigFreeFullDim(p->dim);
+    dmxConfigFreeToken(p->end);
+    dmxConfigFree(p);
+}
+
+DMXConfigWallPtr
+dmxConfigCreateWall(DMXConfigTokenPtr pStart,
+                    DMXConfigPairPtr pWallDim,
+                    DMXConfigPairPtr pDisplayDim,
+                    DMXConfigStringPtr pNameList, DMXConfigTokenPtr pEnd)
+{
+    DMXConfigWallPtr pWall = dmxConfigAlloc(sizeof(*pWall));
+
+    pWall->start = pStart;
+    pWall->wallDim = pWallDim;
+    pWall->displayDim = pDisplayDim;
+    pWall->nameList = pNameList;
+    pWall->end = pEnd;
+
+    pWall->width = pDisplayDim ? pDisplayDim->x : 0;
+    pWall->height = pDisplayDim ? pDisplayDim->y : 0;
+    pWall->xwall = pWallDim ? pWallDim->x : 0;
+    pWall->ywall = pWallDim ? pWallDim->y : 0;
+
+    return pWall;
+}
+
+void
+dmxConfigFreeWall(DMXConfigWallPtr p)
+{
+    if (!p)
+        return;
+    dmxConfigFreeToken(p->start);
+    dmxConfigFreePair(p->wallDim);
+    dmxConfigFreePair(p->displayDim);
+    dmxConfigFreeString(p->nameList);
+    dmxConfigFreeToken(p->end);
+    dmxConfigFree(p);
+}
+
+DMXConfigOptionPtr
+dmxConfigCreateOption(DMXConfigTokenPtr pStart,
+                      DMXConfigStringPtr pOption, DMXConfigTokenPtr pEnd)
+{
+    int length = 0;
+    int offset = 0;
+    DMXConfigStringPtr p;
+    DMXConfigOptionPtr option = dmxConfigAlloc(sizeof(*option));
+
+    for (p = pOption; p; p = p->next) {
+        if (p->string)
+            length += strlen(p->string) + 1;
+    }
+
+    option->string = dmxConfigAlloc(length + 1);
+
+    for (p = pOption; p; p = p->next) {
+        if (p->string) {
+            int len = strlen(p->string);
+
+            strncpy(option->string + offset, p->string, len);
+            offset += len;
+            if (p->next)
+                option->string[offset++] = ' ';
+        }
+    }
+    option->string[offset] = '\0';
+
+    option->start = pStart;
+    option->option = pOption;
+    option->end = pEnd;
+
+    return option;
+}
+
+void
+dmxConfigFreeOption(DMXConfigOptionPtr p)
+{
+    if (!p)
+        return;
+    free(p->string);
+    dmxConfigFreeToken(p->start);
+    dmxConfigFreeString(p->option);
+    dmxConfigFreeToken(p->end);
+    dmxConfigFree(p);
+}
+
+const char **
+dmxConfigLookupParam(DMXConfigParamPtr p, const char *key, int *argc)
+{
+    DMXConfigParamPtr pt;
+
+    for (pt = p; pt; pt = pt->next) {
+        if (pt->argv && !strcasecmp(pt->argv[0], key)) {
+            *argc = pt->argc;
+            return pt->argv;
+        }
+    }
+    *argc = 0;
+    return NULL;
+}
+
+DMXConfigParamPtr
+dmxConfigCreateParam(DMXConfigTokenPtr pStart,
+                     DMXConfigTokenPtr pOpen,
+                     DMXConfigStringPtr pParam,
+                     DMXConfigTokenPtr pClose, DMXConfigTokenPtr pEnd)
+{
+    DMXConfigParamPtr param = dmxConfigAlloc(sizeof(*param));
+    DMXConfigStringPtr pt;
+
+    param->argc = 0;
+    param->argv = NULL;
+    for (pt = pParam; pt; pt = pt->next) {
+        if (pt->string) {
+            param->argv = realloc(param->argv,
+                                  (param->argc + 2) * sizeof(*param->argv));
+            param->argv[param->argc] = pt->string;
+            ++param->argc;
+        }
+    }
+    if (param->argv)
+        param->argv[param->argc] = NULL;
+
+    param->start = pStart;
+    param->open = pOpen;
+    param->param = pParam;
+    param->close = pClose;
+    param->end = pEnd;
+
+    return param;
+}
+
+void
+dmxConfigFreeParam(DMXConfigParamPtr p)
+{
+    DMXConfigParamPtr next;
+
+    if (!p)
+        return;
+    do {
+        next = p->next;
+        dmxConfigFreeToken(p->start);
+        dmxConfigFreeToken(p->open);
+        dmxConfigFreeString(p->param);
+        dmxConfigFreeToken(p->close);
+        dmxConfigFreeToken(p->end);
+        dmxConfigFree(p->argv);
+        dmxConfigFree(p);
+    } while ((p = next));
+}
+
+DMXConfigSubPtr
+dmxConfigCreateSub(DMXConfigType type,
+                   DMXConfigCommentPtr comment,
+                   DMXConfigDisplayPtr display,
+                   DMXConfigWallPtr wall,
+                   DMXConfigOptionPtr option, DMXConfigParamPtr param)
+{
+    DMXConfigSubPtr pSub = dmxConfigAlloc(sizeof(*pSub));
+
+    pSub->type = type;
+    switch (type) {
+    case dmxConfigComment:
+        pSub->comment = comment;
+        break;
+    case dmxConfigDisplay:
+        pSub->display = display;
+        break;
+    case dmxConfigWall:
+        pSub->wall = wall;
+        break;
+    case dmxConfigOption:
+        pSub->option = option;
+        break;
+    case dmxConfigParam:
+        pSub->param = param;
+        break;
+    default:
+        dmxConfigLog("Type %d not supported in subentry\n", type);
+        break;
+    }
+    return pSub;
+}
+
+void
+dmxConfigFreeSub(DMXConfigSubPtr sub)
+{
+    DMXConfigSubPtr pt;
+
+    for (pt = sub; pt; pt = pt->next) {
+        switch (pt->type) {
+        case dmxConfigComment:
+            dmxConfigFreeComment(pt->comment);
+            break;
+        case dmxConfigDisplay:
+            dmxConfigFreeDisplay(pt->display);
+            break;
+        case dmxConfigWall:
+            dmxConfigFreeWall(pt->wall);
+            break;
+        case dmxConfigOption:
+            dmxConfigFreeOption(pt->option);
+            break;
+        case dmxConfigParam:
+            dmxConfigFreeParam(pt->param);
+            break;
+        default:
+            dmxConfigLog("Type %d not supported in subentry\n", pt->type);
+            break;
+        }
+    }
+    dmxConfigFree(sub);
+}
+
+DMXConfigSubPtr
+dmxConfigSubComment(DMXConfigCommentPtr comment)
+{
+    return dmxConfigCreateSub(dmxConfigComment, comment, NULL, NULL, NULL,
+                              NULL);
+}
+
+DMXConfigSubPtr
+dmxConfigSubDisplay(DMXConfigDisplayPtr display)
+{
+    return dmxConfigCreateSub(dmxConfigDisplay, NULL, display, NULL, NULL,
+                              NULL);
+}
+
+DMXConfigSubPtr
+dmxConfigSubWall(DMXConfigWallPtr wall)
+{
+    return dmxConfigCreateSub(dmxConfigWall, NULL, NULL, wall, NULL, NULL);
+}
+
+DMXConfigSubPtr
+dmxConfigSubOption(DMXConfigOptionPtr option)
+{
+    return dmxConfigCreateSub(dmxConfigOption, NULL, NULL, NULL, option, NULL);
+}
+
+DMXConfigSubPtr
+dmxConfigSubParam(DMXConfigParamPtr param)
+{
+    return dmxConfigCreateSub(dmxConfigParam, NULL, NULL, NULL, NULL, param);
+}
+
+extern DMXConfigSubPtr
+dmxConfigAddSub(DMXConfigSubPtr head, DMXConfigSubPtr sub)
+{
+    DMXConfigSubPtr pt;
+
+    if (!head)
+        return sub;
+    for (pt = head; pt->next; pt = pt->next);
+    pt->next = sub;
+    return head;
+}
+
+DMXConfigVirtualPtr
+dmxConfigCreateVirtual(DMXConfigTokenPtr pStart,
+                       DMXConfigStringPtr pName,
+                       DMXConfigPairPtr pDim,
+                       DMXConfigTokenPtr pOpen,
+                       DMXConfigSubPtr pSubentry, DMXConfigTokenPtr pClose)
+{
+    DMXConfigVirtualPtr pVirtual = dmxConfigAlloc(sizeof(*pVirtual));
+
+    pVirtual->start = pStart;
+    pVirtual->vname = pName;
+    pVirtual->dim = pDim;
+    pVirtual->open = pOpen;
+    pVirtual->subentry = pSubentry;
+    pVirtual->close = pClose;
+
+    pVirtual->name = pName ? pName->string : NULL;
+    pVirtual->width = pDim ? pDim->x : 0;
+    pVirtual->height = pDim ? pDim->y : 0;
+
+    return pVirtual;
+}
+
+void
+dmxConfigFreeVirtual(DMXConfigVirtualPtr virtual)
+{
+    dmxConfigFreeToken(virtual->start);
+    dmxConfigFreeString(virtual->vname);
+    dmxConfigFreePair(virtual->dim);
+    dmxConfigFreeToken(virtual->open);
+    dmxConfigFreeSub(virtual->subentry);
+    dmxConfigFreeToken(virtual->close);
+    dmxConfigFree(virtual);
+}
+
+DMXConfigEntryPtr
+dmxConfigCreateEntry(DMXConfigType type,
+                     DMXConfigCommentPtr comment, DMXConfigVirtualPtr virtual)
+{
+    DMXConfigEntryPtr pEntry = dmxConfigAlloc(sizeof(*pEntry));
+
+    pEntry->type = type;
+    switch (type) {
+    case dmxConfigComment:
+        pEntry->comment = comment;
+        break;
+    case dmxConfigVirtual:
+        pEntry->virtual = virtual;
+        break;
+    default:
+        dmxConfigLog("Type %d not supported in entry\n", type);
+        break;
+    }
+    return pEntry;
+}
+
+void
+dmxConfigFreeEntry(DMXConfigEntryPtr entry)
+{
+    DMXConfigEntryPtr pt;
+
+    for (pt = entry; pt; pt = pt->next) {
+        switch (pt->type) {
+        case dmxConfigComment:
+            dmxConfigFreeComment(pt->comment);
+            break;
+        case dmxConfigVirtual:
+            dmxConfigFreeVirtual(pt->virtual);
+            break;
+        default:
+            dmxConfigLog("Type %d not supported in entry\n", pt->type);
+            break;
+        }
+    }
+    dmxConfigFree(entry);
+}
+
+DMXConfigEntryPtr
+dmxConfigAddEntry(DMXConfigEntryPtr head,
+                  DMXConfigType type,
+                  DMXConfigCommentPtr comment, DMXConfigVirtualPtr virtual)
+{
+    DMXConfigEntryPtr child = dmxConfigCreateEntry(type, comment, virtual);
+    DMXConfigEntryPtr pt;
+
+    if (!head)
+        return child;
+
+    for (pt = head; pt->next; pt = pt->next);
+    pt->next = child;
+
+    return head;
+}
+
+DMXConfigEntryPtr
+dmxConfigEntryComment(DMXConfigCommentPtr comment)
+{
+    return dmxConfigCreateEntry(dmxConfigComment, comment, NULL);
+}
+
+DMXConfigEntryPtr
+dmxConfigEntryVirtual(DMXConfigVirtualPtr virtual)
+{
+    return dmxConfigCreateEntry(dmxConfigVirtual, NULL, virtual);
+}