commit c96b7f5d2af241c5eb1589e9da3dc09e45355e65
author Bram Moolenaar <Bram@vim.org> Fri Dec 02 15:58:38 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Fri Dec 02 15:58:38 2022 +0000
tree ef26f1475c713f971de88df0f7eec925c5822aca
parent 9c8d12c8115640927823919001a03c79d4118063

patch 9.0.0990: callback name argument is changed by setqflist()

Problem:    Callback name argument is changed by setqflist().
Solution:   Use the expanded function name for the callback, do not store it
            in the argument. (closes #11653)

src/change.c

diff --git a/src/change.c b/src/change.c
index 7796d29..dc68d3c 100644
--- a/src/change.c
+++ b/src/change.c
@@ -259,6 +259,8 @@
     buf->b_listener = lnr;
 
     set_callback(&lnr->lr_callback, &callback);
+    if (callback.cb_free_name)
+	vim_free(callback.cb_name);
 
     lnr->lr_id = ++next_listener_id;
     rettv->vval.v_number = lnr->lr_id;