diff options
-rw-r--r-- | ext/readline/readline.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c index a4d06b28b4..714b08cc9f 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -578,7 +578,9 @@ readline_s_insert_text(VALUE self, VALUE str) static VALUE readline_s_delete_text(int argc, VALUE *argv, VALUE self) { - rb_secure(RUBY_SAFE_LEVEL_MAX); +#if RUBY_SAFE_LEVEL_MAX >= 4 + rb_secure(4); +#endif rb_check_arity(argc, 0, 2); if (rl_line_buffer) { char *p, *ptr = rl_line_buffer; |