diff options
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 7 |
1 files changed, 3 insertions, 4 deletions
@@ -5035,15 +5035,14 @@ rb_ary_product(int argc, VALUE *argv, VALUE ary) else { /* Compute the length of the result array; return [] if any is empty */ for (i = 0; i < n; i++) { - long k = RARRAY_LEN(arrays[i]), l = resultlen; + long k = RARRAY_LEN(arrays[i]); if (k == 0) { result = rb_ary_new2(0); goto done; } - resultlen *= k; - if (resultlen < k || resultlen < l || resultlen / k != l) { + if (MUL_OVERFLOW_LONG_P(resultlen, k)) rb_raise(rb_eRangeError, "too big to product"); - } + resultlen *= k; } result = rb_ary_new2(resultlen); } |