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, 483 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/os/oscolor.c.NX.original b/nx-X11/programs/Xserver/os/oscolor.c.NX.original
new file mode 100644
index 000000000..ecb76ccd6
--- /dev/null
+++ b/nx-X11/programs/Xserver/os/oscolor.c.NX.original
@@ -0,0 +1,483 @@
+/* $XFree86: xc/programs/Xserver/os/oscolor.c,v 3.10 2003/07/16 01:39:03 dawes Exp $ */
+/***********************************************************
+
+Copyright 1987, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $Xorg: oscolor.c,v 1.4 2001/02/09 02:05:23 xorgcvs Exp $ */
+
+#ifdef NX_TRANS_SOCKET
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static char* nxAltRgbPaths[] = {"/usr/share/X11/rgb", "/etc/X11/rgb"};
+static char _NXRgbPath[1024];
+
+#endif
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifndef USE_RGB_TXT
+
+#ifdef NDBM
+#include <ndbm.h>
+#else
+#ifdef SVR4
+#include <rpcsvc/dbm.h>
+#else
+#include <dbm.h>
+#endif
+#endif
+#include "rgb.h"
+#include "os.h"
+#include "opaque.h"
+
+/* Note that we are assuming there is only one database for all the screens. */
+
+#ifdef NDBM
+DBM *rgb_dbm = (DBM *)NULL;
+#else
+int rgb_dbm = 0;
+#endif
+
+extern void CopyISOLatin1Lowered(
+    unsigned char * /*dest*/,
+    unsigned char * /*source*/,
+    int /*length*/);
+
+int
+OsInitColors(void)
+{
+    if (!rgb_dbm)
+    {
+#ifdef NDBM
+	rgb_dbm = dbm_open(rgbPath, 0, 0);
+#else
+	if (dbminit(rgbPath) == 0)
+	    rgb_dbm = 1;
+#endif
+	if (!rgb_dbm) {
+	    ErrorF( "Couldn't open RGB_DB '%s'\n", rgbPath );
+	    return FALSE;
+	}
+    }
+    return TRUE;
+}
+
+/*ARGSUSED*/
+int
+OsLookupColor(int screen, char *name, unsigned int len, 
+    unsigned short *pred, unsigned short *pgreen, unsigned short *pblue)
+{
+    datum		dbent;
+    RGB			rgb;
+    char		buf[64];
+    char		*lowername;
+
+    if(!rgb_dbm)
+	return(0);
+
+    /* we use xalloc here so that we can compile with cc without alloca
+     * when otherwise using gcc */
+    if (len < sizeof(buf))
+	lowername = buf;
+    else if (!(lowername = (char *)xalloc(len + 1)))
+	return(0);
+    CopyISOLatin1Lowered ((unsigned char *) lowername, (unsigned char *) name,
+			  (int)len);
+
+    dbent.dptr = lowername;
+    dbent.dsize = len;
+#ifdef NDBM
+    dbent = dbm_fetch(rgb_dbm, dbent);
+#else
+    dbent = fetch (dbent);
+#endif
+
+    if (len >= sizeof(buf))
+	xfree(lowername);
+
+    if(dbent.dptr)
+    {
+	memmove((char *) &rgb, dbent.dptr, sizeof (RGB));
+	*pred = rgb.red;
+	*pgreen = rgb.green;
+	*pblue = rgb.blue;
+	return (1);
+    }
+    return(0);
+}
+
+#else /* USE_RGB_TXT */
+
+
+/*
+ * The dbm routines are a porting hassle. This implementation will do
+ * the same thing by reading the rgb.txt file directly, which is much
+ * more portable.
+ */
+
+#include <stdio.h>
+#include "os.h"
+#include "opaque.h"
+
+#define HASHSIZE 511
+
+typedef struct _dbEntry * dbEntryPtr;
+typedef struct _dbEntry {
+  dbEntryPtr     link;
+  unsigned short red;
+  unsigned short green;
+  unsigned short blue;
+  char           name[1];	/* some compilers complain if [0] */
+} dbEntry;
+
+
+extern void CopyISOLatin1Lowered(
+    unsigned char * /*dest*/,
+    unsigned char * /*source*/,
+    int /*length*/);
+
+static dbEntryPtr hashTab[HASHSIZE];
+
+#ifdef NX_TRANS_SOCKET
+
+static int NXVerifyRgbPath(char *path)
+{
+  int size;
+  char *rgbPath;
+  struct stat rgbFileStat;
+
+  /*
+   * Check if rgb file is present.
+   */
+
+  size = strlen(path) + strlen(".txt") + 1;
+
+  rgbPath = (char *) ALLOCATE_LOCAL(size + 1);
+
+  strcpy(rgbPath, path);
+
+  #ifdef NX_TRANS_TEST
+  fprintf(stderr, "NXVerifyRgbPath: Looking for [%s] file.\n",
+              rgbPath);
+  #endif
+
+  if (stat(rgbPath, &rgbFileStat) != 0)
+  {
+
+    #ifdef NX_TRANS_TEST
+    fprintf(stderr, "NXVerifyRgbPath: Can't find the rgb file [%s].\n",
+                rgbPath);
+    #endif
+
+    strcat(rgbPath, ".txt");
+
+    #ifdef NX_TRANS_TEST
+    fprintf(stderr, "NXVerifyRgbPath: Looking for [%s] file.\n",
+                rgbPath);
+    #endif
+
+    if (stat(rgbPath, &rgbFileStat) != 0)
+    {
+
+      #ifdef NX_TRANS_TEST
+      fprintf(stderr, "NXVerifyRgbPath: Can't find the rgb file [%s].\n",
+                  rgbPath);
+      #endif
+
+      DEALLOCATE_LOCAL(rgbPath);
+
+      return 0;
+    }
+  }
+
+  #ifdef NX_TRANS_TEST
+  fprintf(stderr, "NXVerifyRgbPath: rgb path [%s] is valid.\n",
+              path);
+  #endif
+
+  DEALLOCATE_LOCAL(rgbPath);
+
+  return 1;
+}
+
+static const char *_NXGetRgbPath(const char *path)
+{
+  const char *systemEnv;
+  char rgbPath[1024];
+  int numAltRgbPaths;
+  int i;
+
+  /*
+   * Check the environment only once.
+   */
+
+  if (*_NXRgbPath != '\0')
+  {
+    return _NXRgbPath;
+  }
+
+  systemEnv = getenv("NX_SYSTEM");
+
+  if (systemEnv != NULL && *systemEnv != '\0')
+  {
+    if (strlen(systemEnv) + strlen("/share/rgb") + 1 > 1024)
+    {
+
+      #ifdef NX_TRANS_TEST
+      fprintf(stderr, "_NXGetRgbPath: WARNING! Maximum length of rgb file path exceeded.\n");
+      #endif
+
+      goto _NXGetRgbPathError;
+    }
+
+    strcpy(rgbPath, systemEnv);
+    strcat(rgbPath, "/share/rgb");
+
+    if (NXVerifyRgbPath(rgbPath) == 1)
+    {
+      strcpy(_NXRgbPath, systemEnv);
+      strcat(_NXRgbPath, "/share/rgb");
+
+      #ifdef NX_TRANS_TEST
+      fprintf(stderr, "_NXGetRgbPath: Using rgb file path [%s].\n",
+                  _NXRgbPath);
+      #endif
+
+      return _NXRgbPath;
+    }
+  }
+
+  numAltRgbPaths = sizeof(nxAltRgbPaths) / sizeof(*nxAltRgbPaths);
+
+  for (i = 0; i < numAltRgbPaths; i++)
+  {
+    if (NXVerifyRgbPath(nxAltRgbPaths[i]) == 1)
+    {
+      if (strlen(nxAltRgbPaths[i]) + 1 > 1024)
+      {
+        #ifdef NX_TRANS_TEST
+        fprintf(stderr, "_NXGetRgbPath: WARNING! Maximum length of rgb file path exceeded.\n");
+        #endif
+
+        goto _NXGetRgbPathError;
+      }
+
+      strcpy(_NXRgbPath, nxAltRgbPaths[i]);
+
+      #ifdef NX_TRANS_TEST
+      fprintf(stderr, "_NXGetRgbPath: Using rgb file path [%s].\n",
+                  _NXRgbPath);
+      #endif
+
+      return _NXRgbPath;
+    }
+  }
+
+_NXGetRgbPathError:
+
+  strcpy(_NXRgbPath, path);
+
+  #ifdef NX_TRANS_TEST
+  fprintf(stderr, "_NXGetRgbPath: Using default rgb file path [%s].\n",
+              _NXRgbPath);
+  #endif
+
+  return _NXRgbPath;
+}
+
+#endif
+
+static dbEntryPtr
+lookup(char *name, int len, Bool create)
+{
+  unsigned int h = 0, g;
+  dbEntryPtr   entry, *prev = NULL;
+  char         *str = name;
+
+  if (!(name = (char*)ALLOCATE_LOCAL(len +1))) return NULL;
+  CopyISOLatin1Lowered((unsigned char *)name, (unsigned char *)str, len);
+  name[len] = '\0';
+
+  for(str = name; *str; str++) {
+    h = (h << 4) + *str;
+    if ((g = h) & 0xf0000000) h ^= (g >> 24);
+    h &= g;
+  }
+  h %= HASHSIZE;
+
+  if ( (entry = hashTab[h]) )
+    {
+      for( ; entry; prev = (dbEntryPtr*)entry, entry = entry->link )
+	if (! strcmp(name, entry->name) ) break;
+    }
+  else
+    prev = &(hashTab[h]);
+
+  if (!entry && create && (entry = (dbEntryPtr)xalloc(sizeof(dbEntry) +len)))
+    {
+      *prev = entry;
+      entry->link = NULL;
+      strcpy( entry->name, name );
+    }
+
+  DEALLOCATE_LOCAL(name);
+
+  return entry;
+}
+
+
+Bool
+OsInitColors(void)
+{
+  FILE       *rgb;
+  char       *path;
+  char       line[BUFSIZ];
+  char       name[BUFSIZ];
+  int        red, green, blue, lineno = 0;
+  dbEntryPtr entry;
+
+  static Bool was_here = FALSE;
+
+  if (!was_here)
+    {
+#ifndef __UNIXOS2__
+#ifdef NX_TRANS_SOCKET
+      /*
+       * Add the trailing '.txt' if a
+       * 'rgb' file is not found.
+       */
+
+      struct stat statbuf;
+
+      path = (char*)ALLOCATE_LOCAL(strlen(_NXGetRgbPath(rgbPath)) + 5);
+      strcpy(path, _NXGetRgbPath(rgbPath));
+
+      if (stat(path, &statbuf) != 0)
+      {
+          strcat(path, ".txt");
+      }
+#else
+      path = (char*)ALLOCATE_LOCAL(strlen(rgbPath) +5);
+      strcpy(path, rgbPath);
+      strcat(path, ".txt");
+#endif
+#else
+      char *tmp = (char*)__XOS2RedirRoot(rgbPath);
+      path = (char*)ALLOCATE_LOCAL(strlen(tmp) +5);
+      strcpy(path, tmp);
+      strcat(path, ".txt");
+#endif
+      if (!(rgb = fopen(path, "r")))
+        {
+#ifdef NX_TRANS_SOCKET
+           ErrorF( "Couldn't open RGB_DB '%s'\n", _NXGetRgbPath(rgbPath));
+#else
+	   ErrorF( "Couldn't open RGB_DB '%s'\n", rgbPath );
+#endif
+	   DEALLOCATE_LOCAL(path);
+	   return FALSE;
+	}
+
+      while(fgets(line, sizeof(line), rgb))
+	{
+	  lineno++;
+#ifndef __UNIXOS2__
+	  if (sscanf(line,"%d %d %d %[^\n]\n", &red, &green, &blue, name) == 4)
+#else
+	  if (sscanf(line,"%d %d %d %[^\n\r]\n", &red, &green, &blue, name) == 4)
+#endif
+	    {
+	      if (red >= 0   && red <= 0xff &&
+		  green >= 0 && green <= 0xff &&
+		  blue >= 0  && blue <= 0xff)
+		{
+		  if ((entry = lookup(name, strlen(name), TRUE)))
+		    {
+		      entry->red   = (red * 65535)   / 255;
+		      entry->green = (green * 65535) / 255;
+		      entry->blue  = (blue  * 65535) / 255;
+		    }
+		}
+	      else
+		ErrorF("Value out of range: %s:%d\n", path, lineno);
+	    }
+	  else if (*line && *line != '#' && *line != '!')
+	    ErrorF("Syntax Error: %s:%d\n", path, lineno);
+	}
+      
+      fclose(rgb);
+      DEALLOCATE_LOCAL(path);
+
+      was_here = TRUE;
+    }
+
+  return TRUE;
+}
+
+
+
+Bool
+OsLookupColor(int screen, char *name, unsigned int len, 
+    unsigned short *pred, unsigned short *pgreen, unsigned short *pblue)
+{
+  dbEntryPtr entry;
+
+  if ((entry = lookup(name, len, FALSE)))
+    {
+      *pred   = entry->red;
+      *pgreen = entry->green;
+      *pblue  = entry->blue;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+#endif /* USE_RGB_TXT */