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Re: 2038 bug

by pg (Canon)
on Apr 11, 2003 at 06:49 UTC ( #249825=note: print w/replies, xml ) Need Help??


in reply to 2038 bug

One solution to make your code survive longer is: (solution is tested with various dates set to points after 2038)
  1. turn on big int for the right lexical scopes, and
  2. do this convertion:
    my $t = time(); $t += 2 ** 32 if ($t < 0);
    This would make the epcho value increase smoothly even after 2038 (but not forever).

    The logic behind the convertion: time() returns (- 2** 31) for 2038-01-18-20:14:07, which should be 2 * 31; returns (-2**31 + 1) for 2038-01-18-20:14:08, which should be (2 ** 31 + 1) and ... so the difference between what returned from time() and what it should be is always 2 ** 32.

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