xserver git update 11/6/2010

1 files changed, 607 insertions, 607 deletions

diff --git a/xorg-server/hw/dmx/config/dmxparse.c b/xorg-server/hw/dmx/config/dmxparse.c
index 28a1835af..f75151eac 100644
--- a/xorg-server/hw/dmx/config/dmxparse.c
+++ b/xorg-server/hw/dmx/config/dmxparse.c
@@ -1,607 +1,607 @@
-/*
- * 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)
-{
-    if (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;
-    if (p->string) 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);

+}