core: optimize function nicklist_remove_all (don't remove and create again "root" group)

1 files changed, 10 insertions, 4 deletions

diff --git a/src/gui/gui-nicklist.c b/src/gui/gui-nicklist.c
index 7f55d38bb..be6fdb484 100644
--- a/src/gui/gui-nicklist.c
+++ b/src/gui/gui-nicklist.c
@@ -544,13 +544,19 @@ gui_nicklist_remove_group (struct t_gui_buffer *buffer,
 void
 gui_nicklist_remove_all (struct t_gui_buffer *buffer)
 {
-    if (buffer)
+    if (buffer && buffer->nicklist_root)
     {
-        while (buffer->nicklist_root)
+        /* remove children of root group */
+        while (buffer->nicklist_root->children)
+        {
+            gui_nicklist_remove_group (buffer, buffer->nicklist_root->children);
+        }
+
+        /* remove nicks of root group */
+        while (buffer->nicklist_root->nicks)
         {
-            gui_nicklist_remove_group (buffer, buffer->nicklist_root);
+            gui_nicklist_remove_nick (buffer, buffer->nicklist_root->nicks);
         }
-        gui_nicklist_add_group (buffer, NULL, "root", NULL, 0);
     }
 }