diff options
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -427,7 +427,12 @@ rb_ary_unshift_m(argc, argv, ary) VALUE ary; { long len = RARRAY(ary)->len; - + + if (argc < 0) { + rb_raise(rb_eArgError, "negative number of arguments"); + } + if (argc == 0) return ary; + /* make rooms by setting the last item */ rb_ary_store(ary, len + argc - 1, Qnil); |