Hi, hackers
I noticed that the `PerformRadiusTransaction` function is invoked in a loop,
and the function itself contains internal loops that repeatedly call strlen() on the 'passwd' and 'secret' strings.
While the optimization gain may be minimal, I still think it’s worth making the change —
we can precompute the lengths of these two strings at the start of the function to eliminate redundant strlen() calls.
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Regards,
Man Zeng
www.openhalo.org