Common subdirectories: phpfreechat/extras and drupal-6.16/sites/all/modules/contrib/phpfreechat/extras
Only in drupal-6.16/sites/all/modules/contrib/phpfreechat: phpfreechat
diff -up phpfreechat/phpfreechat.inc drupal-6.16/sites/all/modules/contrib/phpfreechat/phpfreechat.inc
--- phpfreechat/phpfreechat.inc	2009-01-22 22:12:14.000000000 -0500
+++ drupal-6.16/sites/all/modules/contrib/phpfreechat/phpfreechat.inc	2010-10-25 13:28:42.000000000 -0400
@@ -83,20 +83,54 @@ function _phpfreechat_clear_cache() {
 /**
  * Delete logs of a chat room.
  * @params $rid 
- *    Room Id
+ * @param $nid Optionally supply a node id (for per node chats)
  */
-function _phpfreechat_nuke($rid) {
+function _phpfreechat_nuke($rid, $nid = NULL) {
   $params = phpfreechat_load_params();
-  $data = $params['data_private_path'] .'/chat/'. $rid .'/messages.data';
-  $index = $params['data_private_path'] .'/chat/'. $rid .'/messages.index';
-  file_delete($data);
-  file_create_path($data);
-  file_delete($index);
-  file_create_path($index);
-  drupal_set_message('Chat room contents cleared.');
-  drupal_goto('');
-  
-  drupal_set_message('rid: '. $rid .', data: '. $data .', index: '. $index);
+  $chatlog_filepath = $params['data_private_path'] .'/logs/'. $rid;
+  $chatmeta_filepath = $params['data_private_path'] .'/chat/s_'. $rid;
+
+  $cache_filepath = $params['data_private_path'] .'/cache/'. $rid .'.php';
+  file_delete($cache_filepath);
+
+  if (_phpfreechat_rm_recursive($chatlog_filepath) &&_phpfreechat_rm_recursive($chatmeta_filepath)) {
+    drupal_set_message('Chat room contents cleared.');
+  }
+  else {
+     drupal_set_message('Chat room contents not cleared', 'error');
+  }
+  if ($nid) {
+    drupal_goto('node/'. $nid);
+  }
+  else {
+    drupal_goto();
+  }
+}
+/**
+ * Recursively delete a directory with chat room cache
+ *
+ * @param $filepath The directory path that you want to delete.
+ */
+function _phpfreechat_rm_recursive($filepath) {
+  // recheck the user access, in an excess of caution
+  // (in case the function is called from elsewhere)
+  if (user_access('administer phpfreechat')) {
+    if (is_dir($filepath) && !is_link($filepath)) {
+        if ($dh = opendir($filepath)) {
+            while (($sf = readdir($dh)) !== false) {
+                if ($sf == '.' || $sf == '..' ) {
+                    continue;
+                }
+                if (!_phpfreechat_rm_recursive($filepath.'/'.$sf)) {
+                    drupal_set_message($filepath.'/'.$sf.' could not be deleted.',  'error');
+                }
+            }
+            closedir($dh);
+        }
+        return rmdir($filepath);
+    }
+    return unlink($filepath);
+  }
 }
 
 /**
Only in drupal-6.16/sites/all/modules/contrib/phpfreechat: phpfreechat.inc~
diff -up phpfreechat/phpfreechat.module drupal-6.16/sites/all/modules/contrib/phpfreechat/phpfreechat.module
--- phpfreechat/phpfreechat.module	2009-01-22 22:12:14.000000000 -0500
+++ drupal-6.16/sites/all/modules/contrib/phpfreechat/phpfreechat.module	2010-10-25 13:37:00.000000000 -0400
@@ -32,7 +32,7 @@ function phpfreechat_menu() {
   $items['phpfreechat/nuke'] = array(
     'title' => 'Clear chats!',
     'page callback' => 'phpfreechat_nuke',
-    'page arguments' => array(arg(2)),
+    'page arguments' => array(2),
     'access arguments' => array('admin phpfreechat'),
     'type' => MENU_CALLBACK);
   $items['admin/settings/phpfreechat'] = array(
@@ -47,11 +47,22 @@ function phpfreechat_menu() {
 
 /**
  * Delete logs of a chat room.
- * @params $rid 
- *    Room Id
+ * @params $nid 
+ *    Node Id
  */
-function phpfreechat_nuke($rid) {
-  _phpfreechat_nuke($rid);
+function phpfreechat_nuke($nid) {
+  if (is_numeric($nid)) {
+    $node = node_load($nid);
+    // make sure that we are only operating on nodes that have chat enabled.
+    // to keep other directories from getting deleted
+    if ($node->phpfreechat_enabled == 1) {
+      $rid =  md5('node'. $nid);
+      _phpfreechat_nuke($rid, $nid);
+    }
+    else {
+      return;
+    }
+  }
 }
 
 /**
@@ -558,7 +569,7 @@ function phpfreechat_room($node) {
       $output .= $chat->printChat(TRUE);
       
       if (user_access('admin phpfreechat')) {
-        $output .= l('Clear chat log for '. $node->title, 'phpfreechat/nuke/'. strtolower(str_replace(' ', '', $node->title)));
+        $output .= l('Clear chat log for '. $node->title, 'phpfreechat/nuke/'. $node->nid);
       }
       $output .= '</div>';
     }
Only in drupal-6.16/sites/all/modules/contrib/phpfreechat: phpfreechat.module~