patch 9.1.0065: Segfault with CompleteChanged autocommand
Problem: Segfault with CompleteChanged autocommand
(markonm )
Solution: Test match->cp_prev for being NULL before accessing it
closes: #13929
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/insexpand.c b/src/insexpand.c
index e870147..ba66e51 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -3075,7 +3075,8 @@
// Skip the element with the CP_ORIGINAL_TEXT flag at the beginning, in case of
// forward completion, or at the end, in case of backward completion.
- match = forward ? match->cp_next : (compl_no_select && match_at_original_text(match) ? match->cp_prev : match->cp_prev->cp_prev);
+ match = forward || match->cp_prev == NULL ? match->cp_next :
+ (compl_no_select && match_at_original_text(match) ? match->cp_prev : match->cp_prev->cp_prev);
while (match != NULL && !match_at_original_text(match))
{