diff -r 000000000000 -r c63de9eb7045 smarty/internals/core.assemble_plugin_filepath.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smarty/internals/core.assemble_plugin_filepath.php	Sun Mar 23 14:59:33 2008 -0400
@@ -0,0 +1,67 @@
+<?php
+/**
+ * Smarty plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+/**
+ * assemble filepath of requested plugin
+ *
+ * @param string $type
+ * @param string $name
+ * @return string|false
+ */
+function smarty_core_assemble_plugin_filepath($params, &$smarty)
+{
+    static $_filepaths_cache = array();
+
+    $_plugin_filename = $params['type'] . '.' . $params['name'] . '.php';
+    if (isset($_filepaths_cache[$_plugin_filename])) {
+        return $_filepaths_cache[$_plugin_filename];
+    }
+    $_return = false;
+
+    foreach ((array)$smarty->plugins_dir as $_plugin_dir) {
+
+        $_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;
+
+        // see if path is relative
+        if (!preg_match("/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $_plugin_dir)) {
+            $_relative_paths[] = $_plugin_dir;
+            // relative path, see if it is in the SMARTY_DIR
+            if (@is_readable(SMARTY_DIR . $_plugin_filepath)) {
+                $_return = SMARTY_DIR . $_plugin_filepath;
+                break;
+            }
+        }
+        // try relative to cwd (or absolute)
+        if (@is_readable($_plugin_filepath)) {
+            $_return = $_plugin_filepath;
+            break;
+        }
+    }
+
+    if($_return === false) {
+        // still not found, try PHP include_path
+        if(isset($_relative_paths)) {
+            foreach ((array)$_relative_paths as $_plugin_dir) {
+
+                $_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;
+
+                $_params = array('file_path' => $_plugin_filepath);
+                require_once(SMARTY_CORE_DIR . 'core.get_include_path.php');
+                if(smarty_core_get_include_path($_params, $smarty)) {
+                    $_return = $_params['new_file_path'];
+                    break;
+                }
+            }
+        }
+    }
+    $_filepaths_cache[$_plugin_filename] = $_return;
+    return $_return;
+}
+
+/* vim: set expandtab: */
+
+?>