diff options
-rw-r--r-- | ext/readline/readline.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c index 368be99b5b..a4d06b28b4 100644 --- a/ext/readline/readline.c +++ b/ext/readline/readline.c @@ -44,6 +44,10 @@ #include <sys/stat.h> #endif +#ifndef RUBY_SAFE_LEVEL_MAX +#define RUBY_SAFE_LEVEL_MAX 4 /* 2.0 or earlier */ +#endif + static VALUE mReadline; #define EDIT_LINE_LIBRARY_VERSION "EditLine wrapper" @@ -574,7 +578,7 @@ readline_s_insert_text(VALUE self, VALUE str) static VALUE readline_s_delete_text(int argc, VALUE *argv, VALUE self) { - rb_secure(4); + rb_secure(RUBY_SAFE_LEVEL_MAX); rb_check_arity(argc, 0, 2); if (rl_line_buffer) { char *p, *ptr = rl_line_buffer; |