move core files into their own directory under SMARTY_DIR,

remove abstraction function _execute_core_function

libs/core/core.get_include_path.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+/**
+ * Get path to file from include_path
+ *
+ * @param string $file_path
+ * @param string $new_file_path
+ * @return boolean
+ * @staticvar array|null
+ */
+
+//  $file_path, &$new_file_path
+     
+function smarty_core_get_include_path(&$params, &$this)
+{
+    static $_path_array = null;
+
+    if(!isset($_path_array)) {
+        $_ini_include_path = ini_get('include_path');
+
+        if(strstr($_ini_include_path,';')) {
+            // windows pathnames
+            $_path_array = explode(';',$_ini_include_path);
+        } else {
+            $_path_array = explode(':',$_ini_include_path);
+        }
+    }
+    foreach ($_path_array as $_include_path) {
+        if (file_exists($_include_path . DIRECTORY_SEPARATOR . $params['file_path'])) {
+               $params['new_file_path'] = $_include_path . DIRECTORY_SEPARATOR . $params['file_path'];
+            return true;
+        }
+    }
+    return false;
+}    
+
+/* vim: set expandtab: */
+
+?>