prevalence of "right" time zones without timegm()?

[Greg Hudson]

On Wed, 2011-07-06 at 02:03 -0400, Dave Daugherty wrote:
> Your proposed solution seems reasonable to me, but the man page for
> timegm suggests an alternative implementation using tzset and mktime.
> I assume you considered that and discarded it?

We would definitely not want to temporarily modify the environment value
of TZ within the krb5 library; that would have serious multithreading
issues.