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-rw-r--r--gdb/python/py-cmd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gdb/python/py-cmd.c b/gdb/python/py-cmd.c
index 5d98d03..c53138a 100644
--- a/gdb/python/py-cmd.c
+++ b/gdb/python/py-cmd.c
@@ -385,7 +385,7 @@ gdbpy_parse_command_name (const char *name,
prefix_text2 = prefix_text.c_str ();
elt = lookup_cmd_1 (&prefix_text2, *start_list, NULL, NULL, 1);
- if (elt == NULL || elt == CMD_LIST_AMBIGUOUS)
+ if (elt == nullptr || elt == CMD_LIST_AMBIGUOUS || *prefix_text2 != '\0')
{
PyErr_Format (PyExc_RuntimeError, _("Could not find command prefix %s."),
prefix_text.c_str ());