Re: [PATCH] Change attachment stamping to use stat st_mtime by default.

Would it be preferable to just use gettimeofday (or another function 
that guarantees subsecond precision) and use only the seconds?

On 8/20/26 16:16, Kurt Hackenberg wrote:
> On Thu, Aug 20, 2026 at 10:54 +0800, Kevin J. McCarthy wrote:
>
>> Recent Linux kernels have an issue where time() has a lower
>> granularity than the stat st_mtime of a file.  This can result in
>> time() being earlier than the mtime of a file just modified.
>> See: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1144613
>
> Oswald is right that it should work to truncate times to the second 
> for comparison. (I guess time() + 1 is a shortcut to the same 
> outcome.) Might be some trouble to do that portably. There's the 
> standard C library function difftime()...
>
> Seems better to do that than to hit the filesystem through stat().