IEEE Std 1003.1-2017 (POSIX.1-2017), Standard for Information Technology — Portable Operating System Interface (POSIX), Base Specifications, Issue 7

Institute of Electrical and Electronics Engineers and The Open Group. (2017). IEEE Std 1003.1-2017 (POSIX.1-2017), Standard for Information Technology — Portable Operating System Interface (POSIX), Base Specifications, Issue 7. IEEE.

Type

Standard

Intellectual base

Reference work

Year

2017

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Cited by

1 citation across 1 artifact.

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Domain-specific

• Integer Overflow
  • The year-2038 problem is a time_t field held, as many implementations do, in a 32-bit signed integer, which exhausts its range 2^31 − 1 seconds past the 1970 epoch — at 03:14:07 UTC on 19 January 2038 — and wraps negative the next second; POSIX itself requires only that time_t be an integer type, so the width and signedness are an implementation choice.

    This sourceDefines `time_t` as an integer count of Seconds Since the Epoch (1970-01-01T00:00:00Z) and requires only that it be an integer type - exactly the limit the sentence attributes to it, the 32-bit signed width and the 2038 instant being implementation practice and arithmetic from 2^31 - 1.

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