Fixed bug #31796 (readline completion handler does not handle empty return

values).

diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index 0af0c42b294ca1c386df128c780151a1f692c880..a11646b29adabb281bb48bce771ee94929a51ae4 100644 (file)
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -377,7 +377,7 @@ static char *_readline_command_generator(char *text,int state)
                }
        }
 
-       return NULL;
+       return strdup("");
 }
 
 static zval *_readline_string_zval(const char *str)