Re: The time(2) man page conflicts with glibc

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Hello Paul,

On 12/17/2015 12:05 AM, Paul Eggert wrote:
> Zack Weinberg wrote:
>> When `t` is NULL, the call cannot fail.
> 
> This doesn't make it clear what happens when the time_t values roll around after 
> the year 2038, on 32-bit time_t hosts. How about adding some further text along 
> the following lines?
> 
> In GNU/Linux time(NULL) cannot fail with errno == EOVERFLOW, even on ABIs where 
> time_t is a signed 32-bit integer and when the clock ticks past the time 2**31 
> (2038-01-19 03:14:08 UTC, ignoring leap seconds). Instead, the behavior is 
> undefined when the system time is out of time_t range. Applications intended to 
> run after 2038 should use ABIs with time_t wider than 32 bits.
> .

Seems reasonable. I've added something close that. Thanks!

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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