patch 8.2.1848: crash when passing a NULL string or list to popup_settext()
Problem: Crashyyyyy passing a NULL string or list to popup_settext().
Solution: Check for NULL pointers. (closes #7132)
diff --git a/src/popupwin.c b/src/popupwin.c
index 05db1af..777e7d8 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -1595,14 +1595,16 @@
// Add text to the buffer.
if (text.v_type == VAR_STRING)
{
+ char_u *s = text.vval.v_string;
+
// just a string
- ml_append_buf(buf, 0, text.vval.v_string, (colnr_T)0, TRUE);
+ ml_append_buf(buf, 0, s == NULL ? (char_u *)"" : s, (colnr_T)0, TRUE);
}
else
{
list_T *l = text.vval.v_list;
- if (l->lv_len > 0)
+ if (l != NULL && l->lv_len > 0)
{
if (l->lv_first->li_tv.v_type == VAR_STRING)
// list of strings