function RINDEX (string haystack, string needles, needle_len_d)
{
- if (needle_len_d <= INT_MIN || needle_len_d >= INT_MAX
+ if (needle_len_d <= 0 || needle_len_d >= INT_MAX
|| (int) needle_len_d != needle_len_d
|| needles.length == 0)
return SYSMIS;