Re: [PATCH] date: avoid calling putenv multiple times unnecessarily

[Pádraig Brady]

On 29/03/2026 03:02, Collin Funk wrote:

Adding environment variables can become quite expensive in some
admittedly unlikely situations.

     $ for i in $(seq 10000); do export A$i=A$i; done
     $ time ./src/date-prev -u $(yes -- -u | head -n 100000)
     Sun Mar 29 01:59:49 AM UTC 2026

     real       0m3.753s
     user       0m3.684s
     sys        0m0.050s
     $ time ./src/date -u $(yes -- -u | head -n 100000)
     Sun Mar 29 02:00:00 AM UTC 2026

     real       0m0.061s
     user       0m0.022s
     sys        0m0.045s

LGTM.

thanks,
Padraig