Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 611 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/dmx/config/dmxparse.c b/nx-X11/programs/Xserver/hw/dmx/config/dmxparse.c
new file mode 100644
index 000000000..1acb6d13e
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/dmx/config/dmxparse.c
@@ -0,0 +1,611 @@
+/* $XFree86$ */
+/*
+ * 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 = malloc(bytes);
+    if (!area) {
+        dmxConfigLog("dmxConfigAlloc: out of memory\n");
+        return NULL;
+    }
+    memset(area, 0, bytes);
+    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));
+
+    memset(pDisplay, 0, 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);
+}