/* No _r versions on Windows, but the API documentation also
* doesn't warn them about being non-reentrant... So here's
* hoping they actually are -- once Windows grows threads
- * this better be checked, though. */
+ * this better be checked, though.
+ *
+ * The Windows versions also don't support times before the
+ * epoch, so we kludge it. */
+ if (when < 0)
+ when = 0;
ltm = *localtime(&when);
gtm = *gmtime(&when);
#else