path: root/doc/nx-X11_vs_XOrg69_patches/ddxLoad.c.NX.patch

--- ./nx-X11/programs/Xserver/xkb/ddxLoad.c.X.original	2015-02-13 14:03:44.792440567 +0100
+++ ./nx-X11/programs/Xserver/xkb/ddxLoad.c	2015-02-13 14:03:44.792440567 +0100
@@ -34,6 +34,7 @@
 #include <xkb-config.h>
 #endif
 
+#include <errno.h>
 #include <stdio.h>
 #include <ctype.h>
 #define	NEED_EVENTS 1
@@ -175,6 +176,310 @@
 # endif
 #endif
 
+#ifdef NXAGENT_SERVER
+
+#define NX_XKB_BASE_DIRECTORY            "/usr/lib/X11/xkb"
+#define NX_XKB_ALTERNATE_BASE_DIRECTORY  "/usr/share/X11/xkb"
+#define NX_KEYMAP_DIR_FILE               "keymap.dir"
+#define NX_ALT_XKBCOMP_PATH              "/usr/bin"
+
+static char _NXXkbBasePath[PATH_MAX];
+static char _NXXkbCompPath[PATH_MAX];
+
+static int NXVerifyXkbBaseDirectory(const char *dirPath)
+{
+  int size;
+  char *keymapDirFilePath;
+  struct stat keymapDirFileStat;
+
+  /*
+   * If keymap.dir file
+   * is not present into
+   * Xkb Base Directory,
+   * we suppose that the
+   * path is not valid.
+   */
+
+  size = strlen(dirPath) + strlen("/") +
+             strlen(NX_KEYMAP_DIR_FILE) + 1;
+
+  if ((keymapDirFilePath = malloc((size + 1) * sizeof(char))) == NULL)
+  {
+    FatalError("NXVerifyXkbBaseDirectory: malloc failed.\n");
+  }
+
+  strcpy(keymapDirFilePath, dirPath);
+  strcat(keymapDirFilePath, "/");
+  strcat(keymapDirFilePath, NX_KEYMAP_DIR_FILE);
+
+  #ifdef TEST
+  fprintf(stderr, "NXVerifyXkbBaseDirectory: Looking for [%s] file.\n",
+              keymapDirFilePath);
+  #endif
+
+  if (stat(keymapDirFilePath, &keymapDirFileStat) != 0)
+  {
+
+    #ifdef TEST
+    fprintf(stderr, "NXVerifyXkbBaseDirectory: Can't find the keymap.dir file [%s].\n",
+                keymapDirFilePath);
+    #endif
+
+    free(keymapDirFilePath);
+
+    return 0;
+  }
+
+  #ifdef TEST
+  fprintf(stderr, "NXVerifyXkbBaseDirectory: Xkb Base Directory [%s] is valid.\n",
+              dirPath);
+  #endif
+
+  free(keymapDirFilePath);
+
+  return 1;
+}
+
+/*
+ * This function returns the directory
+ * containing the configuration files.
+ * This directory is referred by Xkb-
+ * BaseDirectory variable (generally
+ * it contains the hardcoded path at
+ * compile time). If the directory
+ * does not exist, the function will
+ * try a set of well known directories.
+ */
+
+char *_NXGetXkbBasePath(const char *path)
+{
+  /*
+   * Check the xkb base directory only once.
+   */
+
+  if (*_NXXkbBasePath != '\0')
+  {
+    return _NXXkbBasePath;
+  }
+ 
+  if (NXVerifyXkbBaseDirectory(XkbBaseDirectory) == 1)
+  {
+    if (strlen(XkbBaseDirectory) + 1 > PATH_MAX)
+    {
+      #ifdef TEST
+      fprintf(stderr, "_NXGetXkbBasePath: WARNING! Maximum length of xkb base path exceeded.\n");
+      #endif
+ 
+      goto _NXGetXkbBasePathError;
+    }
+
+    strcpy(_NXXkbBasePath, XkbBaseDirectory);
+
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbBasePath: Using NX xkb base directory path [%s].\n",
+                _NXXkbBasePath);
+    #endif
+
+    return _NXXkbBasePath;
+  }
+ 
+  if (NXVerifyXkbBaseDirectory(NX_XKB_BASE_DIRECTORY) == 1)
+  {
+    if (strlen(NX_XKB_BASE_DIRECTORY) + 1 > PATH_MAX)
+    {
+      #ifdef TEST
+      fprintf(stderr, "_NXGetXkbBasePath: WARNING! Maximum length of xkb base path exceeded.\n");
+      #endif
+
+      goto _NXGetXkbBasePathError;
+    }
+
+    strcpy(_NXXkbBasePath, NX_XKB_BASE_DIRECTORY);
+
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbBasePath: Using NX xkb base directory path [%s].\n",
+                _NXXkbBasePath);
+    #endif
+
+    return _NXXkbBasePath;
+  }
+
+  if (NXVerifyXkbBaseDirectory(NX_XKB_ALTERNATE_BASE_DIRECTORY) == 1)
+  {
+    if (strlen(NX_XKB_ALTERNATE_BASE_DIRECTORY) + 1 > PATH_MAX)
+    {
+      #ifdef TEST
+      fprintf(stderr, "_NXGetXkbBasePath: WARNING! Maximum length of xkb base path exceeded.\n");
+      #endif
+
+      goto _NXGetXkbBasePathError;
+    }
+
+    strcpy(_NXXkbBasePath, NX_XKB_ALTERNATE_BASE_DIRECTORY);
+
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbBasePath: Using NX xkb base directory path [%s].\n",
+                _NXXkbBasePath);
+    #endif
+
+    return _NXXkbBasePath;
+  }
+
+_NXGetXkbBasePathError:
+
+  if (strlen(path) + 1 > PATH_MAX)
+  {
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbBasePath: WARNING! Maximum length of xkb base path exceeded.\n");
+    #endif
+  }
+
+  strcpy(_NXXkbBasePath, path);
+
+  #ifdef TEST
+  fprintf(stderr, "_NXGetXkbBasePath: Using default xkb base path [%s].\n",
+              _NXXkbBasePath);
+  #endif
+
+  return _NXXkbBasePath;
+}
+
+static int NXVerifyXkbCompPath(char *path)
+{
+  char *xkbCompPath;
+  int xkbCompPathSize;
+  struct stat xkbCompPathStat;
+
+  if (path == NULL)
+  {
+    return 0;
+  }
+
+  xkbCompPathSize = strlen(path) + strlen("/") +
+                        strlen("xkbcomp") + 1;
+
+  if ((xkbCompPath = malloc((xkbCompPathSize + 1) * sizeof(char))) == NULL)
+  {
+    FatalError("NXVerifyXkbCompPath: WARNING! malloc failed.\n");
+
+    return 0;
+  }
+
+  strcpy(xkbCompPath, path);
+  strcat(xkbCompPath, "/");
+  strcat(xkbCompPath, "xkbcomp");
+
+  if (stat(xkbCompPath, &xkbCompPathStat) != 0)
+  {
+    #ifdef NX_TRANS_TEST
+    fprintf(stderr, "NXVerifyXkbCompPath: WARNING! Failed to stat xkbcomp path [%s].\n",
+                xkbCompPath);
+    #endif
+
+    free(xkbCompPath);
+
+    return 0;
+  }
+
+  free(xkbCompPath);
+
+  return 1;
+}
+
+/*
+ * This function returns the directory
+ * containing the xkbcomp executable.
+ * The function will first try to locate
+ * the executable in the hardcoded path
+ * (the same path as the "base" xkb one)
+ * and, if the xkbcomp file couldn't be
+ * found, the function will not include
+ * an explicit path and will rely on the
+ * PATH environment to list the directory.
+ */
+
+char *_NXGetXkbCompPath(const char *path)
+{
+
+  char * xkbCompPath;
+
+  /*
+   * Check the xkbcomp executable
+   * directory only once.
+   */
+
+  if (*_NXXkbCompPath != '\0')
+  {
+    return _NXXkbCompPath;
+  }
+
+  xkbCompPath = _NXGetXkbBasePath(path);
+
+  if (NXVerifyXkbCompPath(xkbCompPath) == 1)
+  {
+    if (strlen(xkbCompPath) + 1 > PATH_MAX)
+    {
+      #ifdef TEST
+      fprintf(stderr, "_NXGetXkbCompPath: WARNING! Maximum length of xkbcomp path exceeded.\n");
+      #endif
+
+      goto _NXGetXkbCompPathError;
+    }
+
+    strcpy(_NXXkbCompPath, xkbCompPath);
+
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbCompPath: Using xkbcomp path [%s].\n",
+                _NXXkbCompPath);
+    #endif
+
+    return _NXXkbCompPath;
+  }
+
+  xkbCompPath = NX_ALT_XKBCOMP_PATH;
+
+  if (NXVerifyXkbCompPath(xkbCompPath) == 1)
+  {
+    if (strlen(xkbCompPath) + 1 > PATH_MAX)
+    {
+      #ifdef TEST
+      fprintf(stderr, "_NXGetXkbCompPath: WARNING! Maximum length of xkbcomp path exceeded.\n");
+      #endif
+
+      goto _NXGetXkbCompPathError;
+    }
+
+    strcpy(_NXXkbCompPath, xkbCompPath);
+
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbCompPath: Using NX xkbcomp path [%s].\n",
+                _NXXkbCompPath);
+    #endif
+
+    return _NXXkbCompPath;
+  }
+
+_NXGetXkbCompPathError:
+
+  if (strlen(path) + 1 > PATH_MAX)
+  {
+    #ifdef TEST
+    fprintf(stderr, "_NXGetXkbCompPath: WARNING! Maximum length of xkbcomp path exceeded.\n");
+    #endif
+  }
+
+  strcpy(_NXXkbCompPath, path);
+
+  #ifdef TEST
+  fprintf(stderr, "_NXGetXkbCompPath: Using default xkbcomp path [%s].\n",
+              _NXXkbCompPath);
+  #endif
+
+  return _NXXkbCompPath;
+}
+
+#endif
+
 static void
 OutputDirectory(
     char* outdir,
@@ -240,14 +545,36 @@
     XkbEnsureSafeMapName(outFile);
     OutputDirectory(xkm_output_dir, sizeof(xkm_output_dir));
 
+#ifdef NXAGENT_SERVER
+
+    if (_NXGetXkbCompPath(XkbBaseDirectory) != NULL)
+    {
+
+#else
+
     if (XkbBaseDirectory!=NULL) {
+
+#endif
+
 #ifndef __UNIXOS2__
+
+#ifdef NXAGENT_SERVER
+        char *xkbbasedir = _NXGetXkbBasePath(XkbBaseDirectory);
+        char *xkbbindir = _NXGetXkbCompPath(XkbBinDirectory);
+#else
         char *xkbbasedir = XkbBaseDirectory;
         char *xkbbindir = XkbBinDirectory;
+#endif
+
 #else
         /* relocate the basedir and replace the slashes with backslashes */
+#ifdef NXAGENT_SERVER
+        char *xkbbasedir = (char*)__XOS2RedirRoot(_NXGetXkbBasePath(XkbBaseDirectory));
+        char *xkbbindir = (char*)__XOS2RedirRoot(_NXGetXkbCompPath(XkbBinDirectory));
+#else
         char *xkbbasedir = (char*)__XOS2RedirRoot(XkbBaseDirectory);
         char *xkbbindir = (char*)__XOS2RedirRoot(XkbBinDirectory);
+#endif
         int i;
 
 	for (i=0; i<strlen(xkbbasedir); i++) 
@@ -332,7 +659,13 @@
     strcat(tmpname, "\\xkb_XXXXXX");
     (void) mktemp(tmpname);
 #endif
+
+#ifdef NXAGENT_SERVER
+    if (_NXGetXkbCompPath(XkbBaseDirectory)!=NULL) {
+#else
     if (XkbBaseDirectory!=NULL) {
+#endif
+
 #ifndef WIN32
         char *xkmfile = "-";
 #else
@@ -341,12 +674,22 @@
         char *xkmfile = tmpname;
 #endif
 #ifndef __UNIXOS2__
+#ifdef NXAGENT_SERVER
+        char *xkbbasedir = _NXGetXkbBasePath(XkbBaseDirectory);
+        char *xkbbindir = _NXGetXkbCompPath(XkbBinDirectory);
+#else
         char *xkbbasedir = XkbBaseDirectory;
         char *xkbbindir = XkbBinDirectory;
+#endif
 #else
         int i;
+#ifdef NXAGENT_SERVER
+        char *xkbbasedir = (char*)__XOS2RedirRoot(_NXGetXkbBasePath(XkbBaseDirectory));
+        char *xkbbindir = (char*)__XOS2RedirRoot(_NXGetXkbCompPath(XkbBinDirectory));
+#else
         char *xkbbasedir = (char*)__XOS2RedirRoot(XkbBaseDirectory);
         char *xkbbindir = (char*)__XOS2RedirRoot(XkbBinDirectory);
+#endif
 	for (i=0; i<strlen(xkbbasedir); i++) 
             if (xkbbasedir[i]=='/') xkbbasedir[i]='\\';
 	for (i=0; i<strlen(xkbbindir); i++) 
@@ -375,6 +718,15 @@
 		xkm_output_dir,keymap);
     }
     
+    #ifdef TEST
+    if (buf != NULL)
+        fprintf(stderr, "XkbDDXCompileKeymapByNames: "
+                    "Executing command [%s].\n", buf);
+    else
+        fprintf(stderr, "XkbDDXCompileKeymapByNames: "
+                    "Callin Popen() with null command.\n");
+    #endif
+
 #ifndef WIN32
     out= Popen(buf,"w");
 #else
@@ -390,7 +742,15 @@
 #endif
 	XkbWriteXKBKeymapForNames(out,names,NULL,xkb,want,need);
 #ifndef WIN32
+#ifdef __sun
+        if (Pclose(out) != 0)
+        {
+            ErrorF("Warning: Spurious failure reported in Pclose() runnning 'xkbcomp'.\n");
+        }
+        if (1)
+#else
 	if (Pclose(out)==0)
+#endif
 #else
 	if (fclose(out)==0 && System(buf) >= 0)
 #endif
@@ -415,9 +775,15 @@
             {
 		int i;
 		char name[PATH_MAX];
+#ifdef NXAGENT_SERVER
+                if (_NXGetXkbCompPath(XkbBaseDirectory)!=NULL)
+		    sprintf(name,"%s/%s%s.xkm", _NXGetXkbCompPath(XkbBaseDirectory)
+			,xkm_output_dir, keymap);
+#else
                 if (XkbBaseDirectory!=NULL)
 		    sprintf(name,"%s/%s%s.xkm", XkbBaseDirectory
 			,xkm_output_dir, keymap);
+#endif
 		else
                     sprintf(name,"%s%s.xkm", xkm_output_dir, keymap);
 		for (i = 0; i < 10; i++) {