diff options
Diffstat (limited to 'enum.c')
-rw-r--r-- | enum.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -654,6 +654,9 @@ enum_first(int argc, VALUE *argv, VALUE obj) rb_scan_args(argc, argv, "01", &n); len = NUM2LONG(n); if (len == 0) return rb_ary_new2(0); + if (len < 0) { + rb_raise(rb_eArgError, "negative length"); + } ary[0] = len; ary[1] = rb_ary_new2(len); } |